Commit Graph

60127 Commits

Author SHA1 Message Date
Chris Lattner 434c053439 update docs for api change.
llvm-svn: 101566
2010-04-16 23:07:44 +00:00
Chris Lattner de023a3c1d building on the new CallGraphSCC abstraction, teach CallGraphSCCPassManager
to keep the node entries in scc_iterator up to date instead of dangling as
the SCC mutates.

This is a really terrible problem which was causing -g to affect codegen 
because it would permute the memory image of the compiler process.

Thanks to Dale for expertly hunting it down.

llvm-svn: 101565
2010-04-16 23:04:30 +00:00
Dan Gohman 9becdddc49 Add skeleton target-specific SelectionDAGInfo files.
llvm-svn: 101564
2010-04-16 23:04:22 +00:00
Johnny Chen ed9bee150b Fixed logic error. Should check Builder for validity before calling SetSession
on it.

llvm-svn: 101563
2010-04-16 23:02:25 +00:00
Chris Lattner 5518b81a98 move ReplaceNode out of line, rename scc_iterator::fini -> isAtEnd().
No functionality change.

llvm-svn: 101562
2010-04-16 22:59:24 +00:00
Dan Gohman fe051a525f Regenerate configure script.
llvm-svn: 101561
2010-04-16 22:59:06 +00:00
Dan Gohman 91f8ad7bd3 Add an autoconf check for -retain-symbols-file and conditionalize
use of that option with it. This eliminates an imprecise "Linux"
test, and should help support old versions of gold.

llvm-svn: 101560
2010-04-16 22:58:15 +00:00
Johnny Chen 034e0b1e68 Minor change to make the test case comply with Vd<0> == '0' when Q == '1'.
llvm-svn: 101559
2010-04-16 22:48:31 +00:00
Chris Lattner 4422d31b84 introduce a new CallGraphSCC class, and pass it around
to CallGraphSCCPass's instead of passing around a
std::vector<CallGraphNode*>.  No functionality change,
but now we have a much tidier interface.

llvm-svn: 101558
2010-04-16 22:42:17 +00:00
Johnny Chen b90b6f1a35 Fixed a bug in DisassembleN1RegModImmFrm() where a break stmt was missing for a
case.  Also, the 0xFF hex literal involved in the shift for ESize64 should be
suffixed "ul" to preserve the shift result.

Implemented printHex*ImmOperand() by copying from ARMAsmPrinter.cpp and added a
test case for DisassembleN1RegModImmFrm()/printHex64ImmOperand().

llvm-svn: 101557
2010-04-16 22:40:20 +00:00
Evan Cheng f037f87bde (i32 sext_in_reg (i32 aext (i16 x)), i16) -> (i32 sext x). No known test case until -promote-16bit is enabled.
llvm-svn: 101551
2010-04-16 22:26:19 +00:00
Chris Lattner d43a12df56 tidy up
llvm-svn: 101548
2010-04-16 21:57:10 +00:00
Chris Lattner 6d1208fd2b move PrintCallGraphPass out of the middle of CGPassManager.
llvm-svn: 101543
2010-04-16 21:43:55 +00:00
Chris Lattner d4758fc393 add a missing break back, patch by Nico Schmidt!
llvm-svn: 101538
2010-04-16 21:15:15 +00:00
Dan Gohman c4759a5b97 Create a new TargetSelectionDAGInfo class. This will eventually acquire
SelectionDAG-specific parts of TargetLowering.

llvm-svn: 101537
2010-04-16 21:12:11 +00:00
Dan Gohman 4d273f4519 Commit this, which should have accompanied 101531.
llvm-svn: 101532
2010-04-16 20:22:43 +00:00
Dan Gohman 148c69a3f6 Eliminate an unnecessary SelectionDAG dependency in getOptimalMemOpType.
llvm-svn: 101531
2010-04-16 20:11:05 +00:00
Dan Gohman 9dbe61456a Fix this code to avoid implicit assumptions about the length of the array.
llvm-svn: 101530
2010-04-16 20:08:45 +00:00
Johnny Chen 2b7aba10c2 In the same spirit of r101524, which removed the assert() from printAddrMode2OffsetOperand(),
this patch removes the assert() from printAddrMode3OffsetOperand() and adds a test case.

llvm-svn: 101529
2010-04-16 19:57:21 +00:00
Dan Gohman 0591a050ff Revert 101520, which depended on 101503, which was reverted.
llvm-svn: 101528
2010-04-16 19:36:41 +00:00
Johnny Chen 807e1748fc Multiclass LdStCop was using pre-UAL syntax LDC<c>L for the L fragment. Changed
to the UAL syntax of LDCL<c>, instead.

Add a test case for this change which also tests the removal of assert() from
printAddrMode2OffsetOperand().

llvm-svn: 101527
2010-04-16 19:33:23 +00:00
Duncan Sands 7fc8123b37 Revert commit 101503 (johannes), in the hope of fixing the dragonegg build,
see http://google1.osuosl.org:8011/builders/dragonegg-x86_64-linux/builds/693
Original commit text:
Use a ValueMap not a std::map for the reason indicated
in the comment.  This was causing nondeterministic changes
in inlining decisions.

llvm-svn: 101525
2010-04-16 19:28:59 +00:00
Johnny Chen 88599a42bb Remove the assert() from printAddrMode2OffsetOperand(). "#0 and #-0" are
considered legal instructions.

Refs: A8.6.51 LDC, LDC2 (immediate) -- page A8-107, A8.6.58 LDR (immediate, ARM)
-- page A8-121, and A8.6.194 STR (immediate, ARM) -- page A8-395.

llvm-svn: 101524
2010-04-16 19:10:52 +00:00
Dan Gohman 076a3278a1 Trim a #include.
llvm-svn: 101520
2010-04-16 18:45:11 +00:00
Dan Gohman c1ce91603c Revert r101455, which fails on the llvm-arm-linux buildbot.
llvm-svn: 101515
2010-04-16 18:37:31 +00:00
Dale Johannesen 3104bf1618 Use a ValueMap not a std::map for the reason indicated
in the comment.  This was causing nondeterministic changes
in inlining decisions.

llvm-svn: 101503
2010-04-16 18:16:08 +00:00
Evan Cheng 954bd598dd 80 col.
llvm-svn: 101501
2010-04-16 17:58:41 +00:00
Evan Cheng d6b0a7c075 80 col.
llvm-svn: 101500
2010-04-16 17:57:59 +00:00
Dan Gohman 3a7ee8eead Avoid creating virtual registers for unused values.
llvm-svn: 101480
2010-04-16 17:15:02 +00:00
Dan Gohman 5664b9f1a9 Fix an assertion string.
llvm-svn: 101478
2010-04-16 16:55:18 +00:00
Dan Gohman 4572a9f479 Fix a comment.
llvm-svn: 101477
2010-04-16 16:52:37 +00:00
Dan Gohman f13f69f296 Disable inlining of recursive calls. It can complicate tailcallelim and
dependent analyses, and increase code size, so doing it profitably would
require more complex heuristics.

llvm-svn: 101471
2010-04-16 16:01:18 +00:00
Dan Gohman 99e5327bfd Refine the detection of seemingly infinitely recursive calls where the
callee is expected to be expanded to something else by codegen, so that
normal infinitely recursive calls are still transformed.

llvm-svn: 101468
2010-04-16 15:57:50 +00:00
Gabor Greif f375520f7b reapply r101434
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101465
2010-04-16 15:33:14 +00:00
Dan Gohman b3862ecd48 Make callIsSmall accessible as a utility function.
llvm-svn: 101463
2010-04-16 15:14:50 +00:00
Dan Gohman 12293815de Fix SCEVCommutativeExpr::print to be robust in the case of improper
expression canonicalization. Its job is to print what's there, not to
make judgements about it.

llvm-svn: 101461
2010-04-16 15:03:25 +00:00
Dan Gohman aa4d9ea465 Delete a blank line.
llvm-svn: 101459
2010-04-16 13:32:55 +00:00
Bill Wendling ae4541d758 Add JIT exception handling test.
llvm-svn: 101455
2010-04-16 09:04:28 +00:00
Bill Wendling 929f3c0927 The JIT calls TidyLandingPads to tidy up the landing pads. However, because the
JIT doesn't use the MC back-end asm printer to emit labels that it uses, the
section for the MCSymbol is never set. And thus the MCSymbol for the EH label
isn't marked as "defined". Because of that, TidyLandingPads removes the needed
landing pads from the JIT output. This breaks EH for every JIT program.

This is a work-around for this limitation. We pass in the label locations
map. If the label has a non-zero value, then it was "emitted" by the JIT and
TidyLandingPads shouldn't remove that label.

A nicer solution would be to mark the MCSymbol as "used" by the JIT and not rely
upon the section being set to determine if it's defined or not.

llvm-svn: 101453
2010-04-16 08:46:10 +00:00
Chris Lattner 408f79197c completed my pass over all 6+ months of commits, next step, format and make comprehendable.
llvm-svn: 101449
2010-04-16 06:20:22 +00:00
Evan Cheng af56facacd Adding support for dag combiner to promote operations for profit. This requires target specific queries. For example, x86 should promote i16 to i32 when it does not impact load folding.
x86 support is off by default. It can be enabled with -promote-16bit.

Work in progress.

llvm-svn: 101448
2010-04-16 06:14:10 +00:00
Evan Cheng 3da64f7672 Use getAL() rather than a major constant.
llvm-svn: 101446
2010-04-16 05:46:06 +00:00
Eric Christopher dea3bda860 Add a check for posix_spawn.
Regenerate configure and other autoconf files.

llvm-svn: 101444
2010-04-16 05:14:21 +00:00
Dan Gohman 5563473062 Refine further the scope where the global DebugLoc value is active.
llvm-svn: 101443
2010-04-16 05:06:56 +00:00
Nick Lewycky bb2ec7de9c Revert r64616 which worked around http://gcc.gnu.org/PR42757 , we just didn't
know it at the time.

llvm-svn: 101439
2010-04-16 04:32:20 +00:00
Eric Christopher 206d7ce582 Silence an unused variable warning.
llvm-svn: 101438
2010-04-16 04:02:04 +00:00
Chris Lattner bd2d9430d6 fix comment noticed by Bob
llvm-svn: 101437
2010-04-16 02:32:17 +00:00
Gabor Greif 403e9694f9 back out r101423 and r101397, they break llvm-gcc self-host on darwin10
llvm-svn: 101434
2010-04-16 01:16:20 +00:00
Chris Lattner 393e08536d move comment.
llvm-svn: 101433
2010-04-16 01:05:52 +00:00
Chris Lattner 1146d326a7 fix PR6832: we were using the alignment of a pointer when we
wanted the alignment of the pointee.

llvm-svn: 101432
2010-04-16 01:05:38 +00:00
Dan Gohman 0977358509 Create an exports file, so that the plugin only exports the onload symbol.
llvm-svn: 101431
2010-04-16 00:43:25 +00:00
Dan Gohman ebb4ae0912 Make things static that don't need to be referenced from outside the file.
llvm-svn: 101430
2010-04-16 00:42:57 +00:00
Chris Lattner b73552908e improve comments.
llvm-svn: 101429
2010-04-16 00:38:19 +00:00
Chris Lattner 78d7dbbc30 pull all the ConvertToScalarInfo code together into one
place.

llvm-svn: 101427
2010-04-16 00:24:57 +00:00
Chris Lattner d69c3ee958 more refactoring: suck some stuff out of SRoA into
ConvertToScalarInfo.

llvm-svn: 101425
2010-04-16 00:20:00 +00:00
Gabor Greif 6af0ad846e shift intrinsic operand
llvm-svn: 101423
2010-04-16 00:06:45 +00:00
Chris Lattner 9ef4eae6e6 introduce a new ConvertToScalarInfo struct to simplify
CanConvertToScalar/MergeInType.  Eliminate a pointless
LLVMContext argument to MergeInType.

llvm-svn: 101422
2010-04-15 23:50:26 +00:00
Jakob Stoklund Olesen cdc3df4888 Avoid sinking machine instructions into a loop.
MachineLoopInfo is already available when MachineSinking runs, so the check is
free.

There is no test case because it would require a critical edge into a loop, and
CodeGenPrepare splits those. This check is just to be extra careful.

llvm-svn: 101420
2010-04-15 23:41:02 +00:00
Johnny Chen 1d3ee607b3 Added another test case for am3offset operand, testing Rn, #+/-imm8.
Previous checkin tested Rn, #+/-Rm.

llvm-svn: 101418
2010-04-15 23:23:40 +00:00
Jakob Stoklund Olesen dc6d42dbf8 Add test case for machine-sink on critical edges
llvm-svn: 101416
2010-04-15 23:19:16 +00:00
Johnny Chen acbc06c2a3 Fixed a bug in ARM disassembly where LDRSBT should have am3offset operand, not
am2offset.  Modified the instruction table entry and added a new test case.

llvm-svn: 101415
2010-04-15 23:12:47 +00:00
Dan Gohman ff9ecb2824 Make the export files absolute paths, and change Makefile.rules
to expect them this way, to fix srcdir!=objdir builds.

llvm-svn: 101414
2010-04-15 23:08:00 +00:00
Dan Gohman 1639265421 Add a dependency on the .dir file to make sure that the directory
is created before the native exports file is built in a parallel build.

llvm-svn: 101413
2010-04-15 22:46:27 +00:00
Evan Cheng f7f97b4bbd Use default lowering of DYNAMIC_STACKALLOC. As far as I can tell, ARM isle is doing the right thing and codegen looks correct for both Thumb and Thumb2.
llvm-svn: 101410
2010-04-15 22:20:34 +00:00
Chris Lattner 9c1172d848 tidy interface to isOnlyCopiedFromConstantGlobal
llvm-svn: 101405
2010-04-15 21:59:20 +00:00
Daniel Dunbar 73fa324609 Don't use absolute path for EXPORTED_SYMBOL_FILE, this breaks under the new
system.

llvm-svn: 101404
2010-04-15 21:57:43 +00:00
Dan Gohman 473a53f7b1 Generalize the EXPORTED_SYMBOL_FILE concept in the Makefiles to work with
native linking export files, including running sed to prepend underscores
on darwin, and make use of it in libLTO and libEnhancedDisassembly.

Remove the leading underscores from library export files so that they
work with the new EXPORTED_SYMBOL_FILE support.

llvm-svn: 101399
2010-04-15 20:54:25 +00:00
Gabor Greif 33ae80bff7 reapply r101364, which has been backed out in r101368
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101397
2010-04-15 20:51:13 +00:00
Duncan Sands 626b02470b Pointed out by housel on #llvm.
llvm-svn: 101395
2010-04-15 20:35:54 +00:00
Jakob Stoklund Olesen b642a27525 Fix PR6847. RegScavenger should ignore DebugValues.
llvm-svn: 101392
2010-04-15 20:28:39 +00:00
Nicolas Geoffray 19cd1d84ad Make sure the initialization of a GC root is after its definition.
llvm-svn: 101388
2010-04-15 19:53:35 +00:00
Anton Korobeynikov 839cdaa70a Revert r100896 and around - this breaks the only mingw32 buildbot we have.
llvm-svn: 101387
2010-04-15 19:51:42 +00:00
Gabor Greif b36d07cb93 prune includes
llvm-svn: 101385
2010-04-15 19:44:21 +00:00
Evan Cheng 1ba1428577 ARM SelectDYN_ALLOC should emit a copy from SP rather than referencing SP directly. In cases where there are two dyn_alloc in the same BB it would have caused the old SP value to be reused and badness ensues. rdar://7493908
llvm is generating poor code for dynamic alloca, I'll fix that later.

llvm-svn: 101383
2010-04-15 18:42:28 +00:00
Johnny Chen 4230e35879 DEBUG() print out "Unknown format" msg.
llvm-svn: 101382
2010-04-15 18:13:51 +00:00
Dan Gohman 48a189280e ReuseFrameIndexVals is used in multiple files, so it can't be static.
llvm-svn: 101379
2010-04-15 17:34:58 +00:00
Dan Gohman 2085719a98 EnablePPC64RS and EnablePPC32RS are used in multiple files, so they
can't be static.

llvm-svn: 101377
2010-04-15 17:20:57 +00:00
Dan Gohman b29cda9b3c Fix a bunch of namespace polution.
llvm-svn: 101376
2010-04-15 17:08:50 +00:00
Dan Gohman 345356ee9a Fix namespace polution.
llvm-svn: 101375
2010-04-15 16:23:27 +00:00
Dan Gohman 4e3c1139a2 Make getPredecessorWithUniqueSuccessorForBB return the unique successor
in addition to the predecessor.

llvm-svn: 101374
2010-04-15 16:19:08 +00:00
Gabor Greif ff3c8b7eaf typos
llvm-svn: 101371
2010-04-15 15:14:46 +00:00
Gabor Greif 9fd00c7d25 back out r101364, as it trips the linux nightlybot on some clang C++ tests
llvm-svn: 101368
2010-04-15 12:46:56 +00:00
Benjamin Kramer a944a9a902 Simplify ".bc" detection.
llvm-svn: 101365
2010-04-15 11:33:14 +00:00
Gabor Greif aafd209632 rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101364
2010-04-15 10:49:53 +00:00
Chris Lattner 3245afdf05 enhance the load/store narrowing optimization to handle a
tokenfactor in between the load/store.  This allows us to 
optimize test7 into:

_test7:                                 ## @test7
## BB#0:                                ## %entry
	movl	(%rdx), %eax
                                        ## kill: SIL<def> ESI<kill>
	movb	%sil, 5(%rdi)
	ret

instead of:

_test7:                                 ## @test7
## BB#0:                                ## %entry
	movl	4(%esp), %ecx
	movl	$-65281, %eax           ## imm = 0xFFFFFFFFFFFF00FF
	andl	4(%ecx), %eax
	movzbl	8(%esp), %edx
	shll	$8, %edx
	addl	%eax, %edx
	movl	12(%esp), %eax
	movl	(%eax), %eax
	movl	%edx, 4(%ecx)
	ret

llvm-svn: 101355
2010-04-15 06:10:49 +00:00
Chris Lattner 6ebd8674eb teach codegen to turn trunc(zextload) into load when possible.
This doesn't occur much at all, it only seems to formed in the case
when the trunc optimization kicks in due to phase ordering.  In that
case it is saves a few bytes on x86-32.

llvm-svn: 101350
2010-04-15 05:40:59 +00:00
Chris Lattner f9b2e3c68a add a simple dag combine to replace trivial shl+lshr with
and.  This happens with the store->load narrowing stuff.

llvm-svn: 101348
2010-04-15 05:28:43 +00:00
Chris Lattner 4041ab6e00 Implement rdar://7860110 (also in target/readme.txt) narrowing
a load/or/and/store sequence into a narrower store when it is
safe.  Daniel tells me that clang will start producing this sort
of thing with bitfields, and this does  trigger a few dozen times
on 176.gcc produced by llvm-gcc even now.

This compiles code like CodeGen/X86/2009-05-28-DAGCombineCrash.ll 
into:

        movl    %eax, 36(%rdi)

instead of:

        movl    $4294967295, %eax       ## imm = 0xFFFFFFFF
        andq    32(%rdi), %rax
        shlq    $32, %rcx
        addq    %rax, %rcx
        movq    %rcx, 32(%rdi)

and each of the testcases into a single store.  Each of them used
to compile into craziness like this:

_test4:
	movl	$65535, %eax            ## imm = 0xFFFF
	andl	(%rdi), %eax
	shll	$16, %esi
	addl	%eax, %esi
	movl	%esi, (%rdi)
	ret

llvm-svn: 101343
2010-04-15 04:48:01 +00:00
Dan Gohman 913c998703 Add more const qualifiers for LLVM IR pointers in CodeGen.
llvm-svn: 101342
2010-04-15 04:33:49 +00:00
Chris Lattner 60bbb8c356 further tweak this to do something useful.
llvm-svn: 101341
2010-04-15 04:31:42 +00:00
Chris Lattner 9ebaf531ab remove undef control flow.
llvm-svn: 101340
2010-04-15 04:30:19 +00:00
Daniel Dunbar f43481df34 Remove unnecessary uses of <iostream>.
llvm-svn: 101338
2010-04-15 03:47:24 +00:00
Daniel Dunbar 5f372e2f13 tests: MC/Disassembler tests depend on ARM support being compiler in.
llvm-svn: 101337
2010-04-15 03:47:20 +00:00
Chris Lattner 2df4fa5bc8 fix a crash on "lli ex" or any other file whose name is exactly two
characters long.

llvm-svn: 101336
2010-04-15 03:32:19 +00:00
Anders Carlsson 47bccf7f28 Fix build.
llvm-svn: 101335
2010-04-15 03:11:28 +00:00
Dan Gohman bcaf681cde Add const qualifiers to CodeGen's use of LLVM IR constructs.
llvm-svn: 101334
2010-04-15 01:51:59 +00:00
Eric Christopher eabc9623da Allow lowering for palignr instructions for mmx sized vectors. Add
patterns to handle the lowering.

llvm-svn: 101331
2010-04-15 01:40:20 +00:00
Evan Cheng 87b4f7c1aa More 80 violations.
llvm-svn: 101330
2010-04-15 01:25:27 +00:00
Johnny Chen 0175ec1263 Wrap the error msgs in DEBUG() macro so that they won't appear in NDEBUG build.
llvm-svn: 101329
2010-04-15 01:20:56 +00:00
Evan Cheng 8442ef6f89 80 col violations.
llvm-svn: 101325
2010-04-15 01:01:55 +00:00
Devang Patel 3d6c40c616 Add comment.
llvm-svn: 101317
2010-04-15 00:02:49 +00:00
Devang Patel 97bdf94da3 There is no need to track compile unit offsets if there is only one compile unit.
llvm-svn: 101315
2010-04-14 23:56:24 +00:00
Devang Patel b08ccb62d5 Remove dead code.
llvm-svn: 101314
2010-04-14 23:54:13 +00:00
Tobias Grosser de1a37b872 IPO needs ScalarOpts and InstCombine in its libs
The commit "Adding IPSCCP and Internalize passes to the C-bindings" introduced
new dependencies for IPO. Add these to the CMAKE build as otherwise the
BUILD_SHARED_LIBS=1 build fails.

llvm-svn: 101313
2010-04-14 23:42:23 +00:00
Johnny Chen 82c50b11fa Fixed another assert exposed by fuzzing. Now, the DisassembleVFPLdStMulFrm()
function checks whether we have a valid submode for VLDM/VSTM (must be either
"ia" or "db") before calling ARM_AM::getAM5Opc(AMSubMode, unsigned char).

llvm-svn: 101306
2010-04-14 22:37:17 +00:00
Jim Grosbach 32bb362655 Add -arm-long-calls option to force calls to be indirect. This makes the
kernel linker happier when dealing with kexts.

Radar 7805069

llvm-svn: 101303
2010-04-14 22:28:31 +00:00
Dan Gohman 20c87b1adf Fix TrackingVH to handle const Value subclasses.
llvm-svn: 101300
2010-04-14 22:24:25 +00:00
Dan Gohman 849833aea3 Remove a const here. This makes this function consistent with all the
other getOperand wrappers, and it makes it easier to use with DebugInfo
code, which isn't currently prepared to see const MDNode *.

llvm-svn: 101299
2010-04-14 22:23:05 +00:00
Dan Gohman 0b4df0425f Constify GetConstantStringInfo.
llvm-svn: 101298
2010-04-14 22:20:45 +00:00
Nicolas Geoffray 99bfbca6ec Don't use DILocation when processing a DebugLoc.
llvm-svn: 101294
2010-04-14 22:06:37 +00:00
Johnny Chen 9aaaf4d5fa For t2BFI disassembly, apply the same error checking as in r101205.
Change the error msg to read "Encoding error: msb < lsb".

llvm-svn: 101293
2010-04-14 22:04:45 +00:00
Dan Gohman 7a3dff329f Move a bunch of methods from CallSite to CallSiteBase, so that they can
be used in ImmutableCallSite too.

llvm-svn: 101292
2010-04-14 21:47:32 +00:00
Johnny Chen 7637827064 Fixed another assert exposed by fuzzing. The utility function getRegisterEnum()
was asserting because the (RegClass, RegNum) combination doesn't make sense from
an encoding point of view.

Since getRegisterEnum() is used all over the place, to change the code to check
for encoding error after each call would not only bloat the code, but also make
it less readable.  An Err flag is added to the ARMBasicMCBuilder where a client
can set a non-zero value to indicate some kind of error condition while building
up the MCInst.  ARMBasicMCBuilder::BuildIt() checks this flag and returns false
if a non-zero value is detected.

llvm-svn: 101290
2010-04-14 21:03:13 +00:00
Jakob Stoklund Olesen 938f2ae310 Remove unneeded types from test.
llvm-svn: 101286
2010-04-14 20:56:09 +00:00
Evan Cheng 21b588b678 - Code clean up to reduce indentation.
- TryToOptimizeStoreOfMallocToGlobal should check if TargetData is available and bail out if it is not. The transformations being done requires TD.

llvm-svn: 101285
2010-04-14 20:52:55 +00:00
Dan Gohman 33c46fde07 Use FunTy instead of hard-coding Function.
llvm-svn: 101283
2010-04-14 20:49:44 +00:00
Bob Wilson c05b887c84 Don't custom lower bit converts to ARM VMOVDRRD or VMOVDRR when the operand
does not have a legal type.  The legalizer does not know how to handle those
nodes.  Radar 7854640.

llvm-svn: 101282
2010-04-14 20:45:23 +00:00
Dan Gohman 7a633cd750 Oops, make these public.
llvm-svn: 101280
2010-04-14 20:31:28 +00:00
Dan Gohman 0ebddbe1d9 Move getType() and getCaller() into CallSiteBase so that
ImmutableCallSite can use them too.

llvm-svn: 101279
2010-04-14 20:28:44 +00:00
Evan Cheng 9e100384cb Trim tests and convert to FileCheck.
llvm-svn: 101277
2010-04-14 20:22:17 +00:00
Dan Gohman c87b74d913 Delete unneeeded arguments.
llvm-svn: 101276
2010-04-14 20:17:22 +00:00
Dan Gohman a3918ecdf5 Delete unused arguments.
llvm-svn: 101275
2010-04-14 20:05:00 +00:00
Dan Gohman 7deb447781 Factor out EH landing pad code into a separate function, and constify
a bunch of stuff to support it.

llvm-svn: 101273
2010-04-14 19:53:31 +00:00
Dan Gohman c2c08d19b8 Reset the debug location even if the instruction was a terminator.
llvm-svn: 101272
2010-04-14 19:30:02 +00:00
Dan Gohman a0e9a7285e Fix a missing #include.
llvm-svn: 101270
2010-04-14 18:57:18 +00:00
Dan Gohman cacd4f2401 Refine #includes.
llvm-svn: 101269
2010-04-14 18:49:17 +00:00
Dan Gohman d313a05a16 Split ISD::NodeType and a few related items out of SelectionDAGNodes.h
into a separate header to allow clients to use them without pulling in
SelectionDAG-specific declarations.

llvm-svn: 101268
2010-04-14 18:44:34 +00:00
Dan Gohman 8ebcbe949a Pull utility routines with no SelectionDAG dependence out of
SelectionDAGBuilder. FunctionLoweringInfo isn't an ideal place for
them to live, but it's better than SelectionDAGBuilder for now.

llvm-svn: 101267
2010-04-14 18:31:02 +00:00
Dan Gohman f5cca35750 Fix typos in comments.
llvm-svn: 101266
2010-04-14 18:24:06 +00:00
Gabor Greif fefdd42644 performance: cache the dereferenced use_iterator
llvm-svn: 101265
2010-04-14 18:13:29 +00:00
Dan Gohman fea9ba18ff Delete an obsolete comment.
llvm-svn: 101264
2010-04-14 17:40:25 +00:00
Dan Gohman 3215eae4a3 Delete an unused function.
llvm-svn: 101263
2010-04-14 17:22:02 +00:00
Dan Gohman 094fc7b09e Clear the FunctionLoweringInfo object before doing other things that
don't need it.

llvm-svn: 101262
2010-04-14 17:13:16 +00:00
Dan Gohman ad0b3ea3cc Move this assert out of SelectionDAGISel into FunctionLoweringInfo, and
drop the redundant #ifndef NDEBUG.

llvm-svn: 101261
2010-04-14 17:11:23 +00:00
Dan Gohman 0f405c8d73 Add a comment.
llvm-svn: 101260
2010-04-14 17:09:37 +00:00
Dan Gohman 2ca8fb229c Move the code for initialing the entry block livein set out of
SelectionDAGISel.

llvm-svn: 101258
2010-04-14 17:05:00 +00:00
Dan Gohman 4bfb437ec9 Reorgnaize this code to be more tidy and readable.
llvm-svn: 101256
2010-04-14 17:02:07 +00:00
Dan Gohman 1939b5f130 Trim #includes.
llvm-svn: 101255
2010-04-14 16:54:39 +00:00
Dan Gohman 2b79ee8bc8 Move the code for emitting livein copies out of SelectionDAGISel.
llvm-svn: 101254
2010-04-14 16:51:49 +00:00
Gabor Greif c08e5df836 performance: cache the dereferenced use_iterator
llvm-svn: 101253
2010-04-14 16:48:56 +00:00
Dan Gohman 69e8e322d9 Sink landing-pad marking code out of
SelectionDAGISel::runOnMachineFunction into FunctionLowering.

llvm-svn: 101252
2010-04-14 16:32:56 +00:00
Dan Gohman f57117d166 It's not necessary to recompute EB here.
llvm-svn: 101251
2010-04-14 16:30:40 +00:00
Gabor Greif a49686fa3e performance: cache the dereferenced use_iterator
llvm-svn: 101250
2010-04-14 16:13:56 +00:00
Dan Gohman 65de3d140d Add a comment.
llvm-svn: 101248
2010-04-14 16:08:56 +00:00
Dan Gohman 4083e9afaf Fix whitespace, comments.
llvm-svn: 101247
2010-04-14 15:59:02 +00:00
Dan Gohman 8a616ea9a9 Add explicit keywords.
llvm-svn: 101246
2010-04-14 15:50:02 +00:00
Dan Gohman 7947f03a07 Use C++, not C++-standard-library-internals-ese.
llvm-svn: 101245
2010-04-14 15:41:50 +00:00
Dan Gohman f1f0c9ded8 Make SuccIterator's private parts private too.
llvm-svn: 101244
2010-04-14 15:38:15 +00:00
Dan Gohman 6177386b05 Make helper utility members private.
llvm-svn: 101243
2010-04-14 15:33:04 +00:00
Benjamin Kramer a050255103 EDis: Don't include inttypes.h. We support compilers which don't provide it. It was unused anyways.
llvm-svn: 101241
2010-04-14 13:56:38 +00:00
Nick Lewycky cc924c7483 Enable RTTI again. While this works fine for LLVM, it creates an ABI
incompatibility with some clients covered by the buildbots, such as llvm-gcc.

llvm-svn: 101237
2010-04-14 05:51:59 +00:00
Nick Lewycky 80ee5e299c Don't forget cmake!
llvm-svn: 101234
2010-04-14 05:35:20 +00:00
Nick Lewycky 81f8f03dc9 Turn off RTTI for VMCore. Yay!
llvm-svn: 101233
2010-04-14 05:30:13 +00:00
Nick Lewycky 163a743b51 I don't know how, but I managed to goof the revert. Remove function that should
have been removed in r101231.

llvm-svn: 101232
2010-04-14 05:03:50 +00:00
Nick Lewycky ca615eb0d6 Revert r101213.
llvm-svn: 101231
2010-04-14 04:51:58 +00:00
Nick Lewycky c37b45bd2d Remove accidentally committed cruft.
llvm-svn: 101230
2010-04-14 04:46:11 +00:00
Nick Lewycky 7cd1aa31ac Fix 80 column ruler.
llvm-svn: 101229
2010-04-14 04:40:35 +00:00
Nick Lewycky 7c167954e2 Bugpoint no longer uses exceptions.
llvm-svn: 101228
2010-04-14 04:40:31 +00:00
Chris Lattner 6b55cb9cd8 implement mc asmparser support for '.', which gets the
current PC.  rdar://7834775

We now produce an identical .o file compared to the cctools
assembler for something like this:

_f0:
L0:
        jmp L1
        .long . - L0
L1:
        jmp A
        .long . - L1

        .zerofill __DATA,_bss,A,0

llvm-svn: 101227
2010-04-14 04:40:28 +00:00
Nick Lewycky 087d59cf25 Remove tab.
llvm-svn: 101223
2010-04-14 04:19:05 +00:00
Nick Lewycky 8408f33deb Commit testcase for r101213.
llvm-svn: 101214
2010-04-14 03:46:42 +00:00
Nick Lewycky 3cdae269f0 While DAE can't modify the function signature of an externally visible function,
it can check whether the visible direct callers are passing in parameters to
dead arguments and replace those with undef.

This reinstates r94322 with bugs fixed.

llvm-svn: 101213
2010-04-14 03:38:11 +00:00
Dan Gohman 5f40d34958 Generalize this code to handle Instructions in addition to ConstantExprs.
llvm-svn: 101210
2010-04-14 02:33:23 +00:00
Dan Gohman 9162fb07be Reorder the methods of this class to be a little more organized.
llvm-svn: 101206
2010-04-14 02:09:45 +00:00
Johnny Chen 48bbf4910e Fixed another assert exposed by fuzzing. Now, when an encoding error occurs
involing getBFCInvMask() where lsb <= msb does not hold true, the disassembler
just returns false, instead of assert, to indicate disassembly error.

llvm-svn: 101205
2010-04-14 02:05:29 +00:00
Devang Patel b7eadda495 Clear MachineInstr->MCSymbol maps at the end of a function.
llvm-svn: 101202
2010-04-14 01:18:28 +00:00
Johnny Chen 82c3cadad6 Fixed an assert() exposed by fuzzing. Now, instead of assert when an invalid
instruction encoding is encountered, we just return a NULL ARMBasicMCBuilder
instance and the client just returns false to indicate disassembly error.

llvm-svn: 101201
2010-04-14 01:17:37 +00:00
Daniel Dunbar 780792dc86 Fix -Asserts warnings.
llvm-svn: 101191
2010-04-13 23:34:11 +00:00
Devang Patel c48b976c08 XFAIL this test for powerpc.
This test relies on iSel lowering dbg_declare intrinsic when CodeGen::OptLevel is None. On PPC side, CodeGen::OptLevel stays to default when -O0 is used on the command line.

llvm-svn: 101190
2010-04-13 23:23:09 +00:00
Douglas Gregor 9078f954bf Unbreak CMake build by improving the EnhancedDisassembly makefile a
bit (we're not trying to build a shared library yet) and generating
the X86GenEDInfo.inc and ARMGenEDInfo.inc files as necessary.

llvm-svn: 101188
2010-04-13 22:47:43 +00:00
Evan Cheng 87585d72a5 Fast path implicit_def check.
llvm-svn: 101183
2010-04-13 22:13:34 +00:00
Evan Cheng 6c35893aa6 Add test for post-ra machine licm.
llvm-svn: 101182
2010-04-13 22:10:03 +00:00
Bob Wilson 699bdf7adf Handle a v2f64 formal parameter that is split between registers and memory
such that the entire second half is in memory.  Radar 7855014.

llvm-svn: 101181
2010-04-13 22:03:22 +00:00
Sean Callanan 9b6772c43a Quick fix for build errors caused by undefined
NULL.

llvm-svn: 101180
2010-04-13 21:36:35 +00:00
Sean Callanan 814e69b171 Fixed a nasty layering violation in the edis source
code.  It used to #include the enhanced disassembly
information for the targets it supported straight
out of lib/Target/{X86,ARM,...} but now it uses a
new interface provided by MCDisassembler, and (so
far) implemented by X86 and ARM.

Also removed hacky #define-controlled initialization
of targets in edis.  If clients only want edis to
initialize a limited set of targets, they can set
--enable-targets on the configure command line.

llvm-svn: 101179
2010-04-13 21:21:57 +00:00
Ted Kremenek 8af6f765f5 Add CMake support for 'edis'.
llvm-svn: 101177
2010-04-13 20:52:50 +00:00
Johnny Chen 44d7d183fa Changed getSOImmValRotate()'s hunt retry logic to ignore the low order 6 bits,
instead of 7, because we are only looking for even rotate amount.

llvm-svn: 101172
2010-04-13 20:35:16 +00:00
Devang Patel 12d150ea43 Do not include types without any definition in pubtypes list.
llvm-svn: 101171
2010-04-13 20:35:04 +00:00
Evan Cheng cce672c172 Avoid variable shadowing.
llvm-svn: 101170
2010-04-13 20:25:29 +00:00
Evan Cheng 89e74792b6 Expand postra machine licm's capability a little more. If an instruction's register operands are all loop invariants, then it's safe to hoist it.
llvm-svn: 101167
2010-04-13 20:21:05 +00:00
Jakob Stoklund Olesen 20b71e28cc Teach MachineSinking to handle easy critical edges.
Sometimes it is desirable to sink instructions along a critical edge:

x = ...
if (a && b) ...
else use(x);

The 'a && b' condition creates a critical edge to the else block, but we still
want to sink the computation of x into the block. The else block is dominated by
the parent block, so we are not pushing instructions into new code paths.

llvm-svn: 101165
2010-04-13 19:06:14 +00:00
Evan Cheng 4d89dd8353 Fix test on non-x86 hosts.
llvm-svn: 101163
2010-04-13 18:54:04 +00:00
Evan Cheng 4ca4bc6f95 Re-apply 101075 and fix it properly. Just reuse the debug info of the branch instruction being optimized. There is no need to --I which can deref off start of the BB.
llvm-svn: 101162
2010-04-13 18:50:27 +00:00
Chris Lattner 6b2b064d7a Make the disassembler respect the assembler dialect when printing instructions,
patch by Marius Wachtler!

llvm-svn: 101160
2010-04-13 18:41:17 +00:00
Eric Christopher d67f66dc0c Temporarily revert r101075, it's causing invalid iterator assertions
in a nightly tester.

llvm-svn: 101158
2010-04-13 18:37:58 +00:00
Evan Cheng 0a2aff2d12 Teach postra machine licm to hoist more obvious invariants, e.g. instructions with no source operands.
llvm-svn: 101154
2010-04-13 18:16:00 +00:00
Dan Gohman 8a2dae57e2 Add a few comments.
llvm-svn: 101148
2010-04-13 17:07:06 +00:00
Dan Gohman 9d2d053e11 Eliminate MachineBasicBlock::const_livein_iterator and make
MachineBasicBlock::livein_iterator a const_iterator, because
clients shouldn't ever be using the iterator interface to
mutate the livein set.

llvm-svn: 101147
2010-04-13 16:57:55 +00:00
Dan Gohman dcacef3188 Rename MachineFrameInfo variables to MFI, for consistency with
the rest of CodeGen.

llvm-svn: 101146
2010-04-13 16:56:45 +00:00
Dan Gohman 6b1b1e4358 Move MachineRegisterInfo's isLiveIn and isLiveOut out of line.
llvm-svn: 101145
2010-04-13 16:55:37 +00:00
Dan Gohman a1cf9fef70 Use MachineBasicBlock::isLiveIn.
llvm-svn: 101144
2010-04-13 16:53:51 +00:00
Dan Gohman 39305067ad Delete an unused member variable.
llvm-svn: 101143
2010-04-13 16:51:39 +00:00
Dan Gohman 7ef0dc2163 Teach ScalarEvolution to simplify smax and umax when it can prove
that one operand is always greater than another.

llvm-svn: 101142
2010-04-13 16:51:03 +00:00
Dan Gohman fe4b29180b Minor code micro-optimizations.
llvm-svn: 101141
2010-04-13 16:49:23 +00:00
Eric Christopher 4016dcd625 Actually... return after the check for invalid input.
llvm-svn: 101139
2010-04-13 16:41:29 +00:00
Benjamin Kramer 55cfaa37de BumpPtrAllocator::Reset() doesn't need to allocate anything. (Thanks, Jakob)
llvm-svn: 101138
2010-04-13 16:38:06 +00:00
Benjamin Kramer 5d8eb779d5 Update unittest for allocator laziness.
llvm-svn: 101131
2010-04-13 15:01:26 +00:00
Benjamin Kramer 5b0650bf6e Let BumpPtrAllocator lazily allocate the first slab.
We have some code in llvm and clang where a BumpPtrAllocator is declared in a
class but never used in the common case. Stop wasting memory there.

llvm-svn: 101130
2010-04-13 14:41:51 +00:00
Owen Anderson b516f1c6cc Remove SCCVN from the CMake build system.
llvm-svn: 101125
2010-04-13 08:33:09 +00:00
Chris Lattner 069711865f checkpoint.
llvm-svn: 101118
2010-04-13 06:37:00 +00:00
Owen Anderson 9ed6abfe0b SCCVN, we hardly knew ye!
llvm-svn: 101117
2010-04-13 05:24:08 +00:00
Chris Lattner 33154c1fc6 Fix PR6826: GraphWriter delete the generated file before "dotty" load it,
patch by 'ether'.

llvm-svn: 101116
2010-04-13 04:35:39 +00:00
Bob Wilson af7674cbd4 Replace r101053 with a fix for getSOImmValRotate() so that it will correctly
recognize all the valid rotated immediates.  This fixes the disassembler
issue and will also help codegen for some unusual constant values.

llvm-svn: 101114
2010-04-13 02:11:48 +00:00
Dan Gohman 5867a56db8 Teach IndVarSimplify how to eliminate remainder operators where the
numerator is an induction variable. For example, with code like this:

  for (i=0;i<n;++i)
    x[i%n] = 0;

IndVarSimplify will now recognize that i is always less than n inside
the loop, and eliminate the remainder.

llvm-svn: 101113
2010-04-13 01:46:36 +00:00
Daniel Dunbar d33749b4a9 VMCore: Add Type::getIntN[Ptr]Ty, which are the obvious generic forms of
Type::getInt{1,8,...}[Ptr]Ty, so code can consistently use the methods on Type
without occasionally needed to call IntegerType::get.

llvm-svn: 101111
2010-04-13 01:39:07 +00:00
Daniel Dunbar e0a355af5d IRBuilder: Add Create{Shl,LShr,And,Or,Xor} methods from uin64_t and APInt constants.
llvm-svn: 101110
2010-04-13 01:38:57 +00:00
Chris Lattner 5b212a31a2 add llvm codegen support for -ffunction-sections and -fdata-sections,
patch by Sylvere Teissier!

llvm-svn: 101106
2010-04-13 00:36:43 +00:00
Sean Callanan d75c8a0813 Build system fix to make llvm-mc properly build
after edis.  Really, there ought to be some
mechanism to ensure that PARALLEL_DIRS get built
after DIRS.

llvm-svn: 101095
2010-04-12 23:55:28 +00:00
Dan Gohman ebbd05f8ce Micro-optimize a few hot spots.
llvm-svn: 101086
2010-04-12 23:08:18 +00:00
Evan Cheng d0d8e3343a Use .set expression for x86 pic jump table reference to reduce assembly relocation. rdar://7738756
llvm-svn: 101085
2010-04-12 23:07:17 +00:00
Dan Gohman 11862a6ed3 Add fast paths to ScalarEvolution::getSizeOf and getOffsetOf, as
they're used a lot by getNodeForGEP, which can be called a lot.
This speeds up -iv-users by around 15% on several testcases.

llvm-svn: 101083
2010-04-12 23:03:26 +00:00
Bill Wendling caaf445a01 Third time's a charm...
llvm-svn: 101081
2010-04-12 22:43:21 +00:00
Bill Wendling 4fc5a4d8b8 Genericize the label test.
llvm-svn: 101079
2010-04-12 22:40:37 +00:00
Bill Wendling 4627917b9a Correct test to test what I mean it to test.
llvm-svn: 101077
2010-04-12 22:25:42 +00:00
Bill Wendling b02bbe416f Micro-optimization:
If we have this situation:

    jCC  L1
    jmp  L2
L1:
  ...
L2:
  ...

We can get a small performance boost by emitting this instead:

    jnCC L2
L1:
  ...
L2:
  ...

This testcase shows an example of this:

float func(float x, float y) {
    double product = (double)x * y;
    if (product == 0.0)
        return product;
    return product - 1.0;
}

llvm-svn: 101075
2010-04-12 22:19:57 +00:00
Dan Gohman 3cdcc3f728 Simplify this code.
llvm-svn: 101074
2010-04-12 22:12:29 +00:00
Sean Callanan 393c4df342 Build system fixes. llvm-mc depends on
libEnhancedDisassembly, so we now build the
static library in all cases (although the shared
library is only built when requested/possible).

Also, fixed a bug where edis wasn't properly
initializing the targets it uses.

llvm-svn: 101072
2010-04-12 21:55:49 +00:00
Dan Gohman 4a645b88ef Suppress LinearFunctionTestReplace when the computed backedge-taken
expression is a UDiv and it doesn't appear that the UDiv came from
the user's source.

ScalarEvolution has recently figured out how to compute a tripcount
expression for the inner loop in
SingleSource/Benchmarks/Shootout/sieve.c, using a udiv. Emitting a
udiv instruction dramatically slows down the enclosing loop.

llvm-svn: 101068
2010-04-12 21:13:43 +00:00
Sean Callanan deee643b95 Bug fix: made the enhanced disassembler's link
flags work properly when EDIS_VERSION is defined

llvm-svn: 101063
2010-04-12 20:23:08 +00:00
Sean Callanan b2134e6968 Bug fix: included System/Types.h instead of
inttypes.h to allow building on Windows.

llvm-svn: 101062
2010-04-12 20:21:56 +00:00
Sean Callanan 2d03d3a8a7 Second try at integrating the edis tester. This
time I use the LIBS variable, which is not subject
to a %.a -> -l% transformation, to link llvm-mc
against libEnhancedDisassembly.

llvm-mc -edis works the same as llvm-mc
-disassemble, but outputs tokens and operands.

llvm-svn: 101058
2010-04-12 19:43:00 +00:00
Johnny Chen fc93503c59 Fixed a crasher in arm disassembler within ARMInstPrinter.cpp after calling
ARM_AM::getSoImmVal(V) with a legitimate so_imm value: #245 rotate right by 2.
Introduce ARM_AM::getSOImmValOneOrNoRotate(unsigned Arg) which is called from
ARMInstPrinter.cpp's printSOImm() function, replacing ARM_AM::getSOImmVal(V).

[12:44:43] johnny:/Volumes/data/llvm/git/trunk (local-trunk) $ gdb Debug/bin/llvm-mc
GNU gdb 6.3.50-20050815 (Apple version gdb-1346) (Fri Sep 18 20:40:51 UTC 2009)
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin"...Reading symbols for shared libraries ... done

(gdb) set args  -triple=arm-apple-darwin9 -debug-only=arm-disassembler --disassemble
(gdb) r
Starting program: /Volumes/data/llvm/git/trunk/Debug/bin/llvm-mc -triple=arm-apple-darwin9 -debug-only=arm-disassembler --disassemble
Reading symbols for shared libraries ++. done
0xf5 0x71 0xf0 0x53
Opcode=201 Name=MVNi Format=ARM_FORMAT_DPFRM(4)
 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
-------------------------------------------------------------------------------------------------
| 0: 1: 0: 1| 0: 0: 1: 1| 1: 1: 1: 1| 0: 0: 0: 0| 0: 1: 1: 1| 0: 0: 0: 1| 1: 1: 1: 1| 0: 1: 0: 1|
-------------------------------------------------------------------------------------------------

	mvnpls	r7, Assertion failed: (V != -1 && "Not a valid so_imm value!"), function printSOImm, file ARMInstPrinter.cpp, line 229.

Program received signal SIGABRT, Aborted.
0x00007fff88c65886 in __kill ()
(gdb) bt
#0  0x00007fff88c65886 in __kill ()
#1  0x00007fff88d05eae in abort ()
#2  0x00007fff88cf2ef0 in __assert_rtn ()
#3  0x000000010020e422 in printSOImm (O=@0x1010bdf80, V=-1, VerboseAsm=false, MAI=0x1020106d0) at ARMInstPrinter.cpp:229
#4  0x000000010020e5fe in llvm::ARMInstPrinter::printSOImmOperand (this=0x1020107e0, MI=0x7fff5fbfee70, OpNum=1, O=@0x1010bdf80) at ARMInstPrinter.cpp:254
#5  0x00000001001ffbc0 in llvm::ARMInstPrinter::printInstruction (this=0x1020107e0, MI=0x7fff5fbfee70, O=@0x1010bdf80) at ARMGenAsmWriter.inc:3236
#6  0x000000010020c27c in llvm::ARMInstPrinter::printInst (this=0x1020107e0, MI=0x7fff5fbfee70, O=@0x1010bdf80) at ARMInstPrinter.cpp:182
#7  0x000000010003cbff in PrintInsts (DisAsm=@0x10200f4e0, Printer=@0x1020107e0, Bytes=@0x7fff5fbff060, SM=@0x7fff5fbff078) at Disassembler.cpp:65
#8  0x000000010003c8b4 in llvm::Disassembler::disassemble (T=@0x1010c13c0, Triple=@0x1010b6798, Buffer=@0x102010690) at Disassembler.cpp:153
#9  0x000000010004095c in DisassembleInput (ProgName=0x7fff5fbff3f0 "/Volumes/data/llvm/git/trunk/Debug/bin/llvm-mc") at llvm-mc.cpp:347
#10 0x000000010003eefb in main (argc=4, argv=0x7fff5fbff298) at llvm-mc.cpp:374
(gdb) q
The program is running.  Exit anyway? (y or n) y
[13:36:26] johnny:/Volumes/data/llvm/git/trunk (local-trunk) $ 

llvm-svn: 101053
2010-04-12 18:46:53 +00:00
Dan Gohman e4148978b8 Remove a #include.
llvm-svn: 101043
2010-04-12 16:26:03 +00:00
Tobias Grosser 4885db6f52 Remove unneeded debug in PostDominator runOnFunction()
The information is already available with "opt -analyze". The DominatorTree
does also not have this in its runOnFunction. So they behave now
more consistent.

llvm-svn: 101038
2010-04-12 15:32:55 +00:00
Tobias Grosser 6a5eef4067 Remove dead code in the dotty dominance tree printer.
This template is not needed anymore as it was replaced by the
DOTGraphTraitsViewer.

llvm-svn: 101036
2010-04-12 15:02:19 +00:00
Benjamin Kramer 1f336da54f Boolify.
llvm-svn: 101035
2010-04-12 12:22:19 +00:00
Benjamin Kramer d0b5c6cbed Plug trivial leak.
llvm-svn: 101034
2010-04-12 11:38:35 +00:00
Dan Gohman 27c8e79839 Delete this code, which is no longer needed.
llvm-svn: 101033
2010-04-12 08:00:22 +00:00
Dan Gohman 07f6563e81 Move the EliminateIVUsers call back out to its original location. Now that
a ScalarEvolution bug with overflow handling is fixed, the normal analysis
code will automatically decline to operate on the icmp instructions which
are responsible for the loop exit.

llvm-svn: 101032
2010-04-12 07:56:56 +00:00
Dan Gohman 6635bb26a6 Generalize ScalarEvolution's PHI analysis to handle loops that don't
have preheaders or dedicated exit blocks, as clients may not otherwise
need to run LoopSimplify.

llvm-svn: 101030
2010-04-12 07:49:36 +00:00
Dan Gohman f76210ead8 Rewrite the overflow checking in the get{Signed,Unsigned}Range code for
AddRecs so that it checks for overflow in the computation that it is
performing, rather than just checking hasNo{Signed,Unsigned}Wrap, since
those flags are for a different computation. This fixes a bug that
impacts an upcoming change.

llvm-svn: 101028
2010-04-12 07:39:33 +00:00
Dan Gohman 15f90c294c Use RecursivelyDeleteTriviallyDeadInstructions in EliminateIVComparisons,
instead of deleting just the user. This makes it more consistent with
other code in IndVarSimplify, and theoretically can eliminate more users
earlier.

llvm-svn: 101027
2010-04-12 07:29:15 +00:00
Evan Cheng 250283916d Enable post regalloc machine licm by default.
llvm-svn: 101023
2010-04-12 06:25:28 +00:00
Nick Lewycky 6ba630b077 Remove use of exceptions from bugpoint. No deliberate functionality change!
llvm-svn: 101013
2010-04-12 05:08:25 +00:00
Eric Christopher 1f272f7fd8 Verify function prototypes before trying to optimize functions. We also
need TargetData, just return false if we don't have it.

Update testcases accordingly.

Fixes PR6807.

llvm-svn: 101011
2010-04-12 04:48:00 +00:00
Dan Gohman ecd40a34e2 Remove unnecessary parens.
llvm-svn: 101010
2010-04-12 02:24:01 +00:00
Dan Gohman f1e40e60d3 Minor code simplification.
llvm-svn: 101009
2010-04-12 02:22:30 +00:00
Dan Gohman fa5ad797e3 Re-apply r101000, with a fix: Don't eliminate an icmp which is part of
the loop exit test. This usually doesn't come up for a variety of
reasons, but it isn't impossible, so make IndVarSimplify handle it
conservatively.

llvm-svn: 101008
2010-04-12 02:21:50 +00:00
Chris Lattner 3d2a36277e whether we enable dylibs or not depends on the host, not the target.
llvm-svn: 101007
2010-04-12 02:21:38 +00:00
Dan Gohman c0f1efaf8d Revert 101000, which is breaking self-host builds.
llvm-svn: 101002
2010-04-12 00:17:10 +00:00
Dan Gohman 068b793614 Fix indentation.
llvm-svn: 101001
2010-04-11 23:44:58 +00:00
Dan Gohman af4ab1b681 Teach IndVarSimplify how to eliminate comparisons involving induction
variables. For example, with code like this:

  for (i=0;i<n;++i)
    if (i<n)
      x[i] = 0;

IndVarSimplify will now recognize that i is always less than n inside
the loop, and eliminate the if.

llvm-svn: 101000
2010-04-11 23:10:12 +00:00
Dan Gohman 07591698ce Enhance ScalarEvolution::isKnownPredicate with support for
loop conditions which are invariants.

llvm-svn: 100995
2010-04-11 22:16:48 +00:00
Dan Gohman f7f28511a9 Minor code simplification.
llvm-svn: 100994
2010-04-11 22:13:11 +00:00
Dan Gohman ae4a4148ba When creating a ConstantRange for [n,UINT_MAX], special case n == 0, because
ConstantRange(0, 0) creates an empty range rather than a full one.

llvm-svn: 100993
2010-04-11 22:12:18 +00:00
Dan Gohman 2352dd7ee0 Fix a comment.
llvm-svn: 100992
2010-04-11 22:07:56 +00:00
Dan Gohman 008a38b1d6 Add a cast to void to show that the return value is being
intentionally ignored.

llvm-svn: 100984
2010-04-11 19:30:19 +00:00
Dan Gohman 7841a6ecd2 Delete a dead check.
llvm-svn: 100983
2010-04-11 19:29:41 +00:00
Dan Gohman 2532856704 Delete dead code.
llvm-svn: 100981
2010-04-11 19:28:47 +00:00
Dan Gohman 93cd0f1278 Fix a #include.
llvm-svn: 100980
2010-04-11 19:27:52 +00:00
Dan Gohman b50349a979 Rename isLoopGuardedByCond to isLoopEntryGuardedByCond, to emphasise
that it's only testing for the entry condition, not full loop-invariant
conditions.

llvm-svn: 100979
2010-04-11 19:27:13 +00:00
Benjamin Kramer fedd987f4b utostr isn't going away too soon, try to make it slightly smaller.
llvm-svn: 100977
2010-04-11 19:00:03 +00:00
Nick Lewycky 3e24f7e632 Remove dead argument and clean whitespace. No functionality change.
llvm-svn: 100954
2010-04-10 23:18:13 +00:00
Chris Lattner 4568ed7893 Implement support for varargs functions without any fixed
parameters in the CBE by implicitly adding a fixed argument.
This allows eliminating a work-around from DAE.  Patch by
Sylvere Teissier!

llvm-svn: 100944
2010-04-10 19:12:44 +00:00
Daniel Dunbar 4e06a5b8b3 configure: Fix default value for optimize_option, I messed up the test condition
in r86005 and unintentionally changed the default from -O3 to -O2.

 - It's odd the things automated perf testing turns up! :)

 - Also, the configure diff is messed up slightly. It looks like someone either
   didn't regenerate configure correctly (or I didn't), or autoconf has some
   funnyness in it. Eric, any ideas?

This has been at -O2 for so long, that I am slightly nervous that this change
will uncover miscompiles of LLVM on other systems. If that is the case, I think
we should just set the default universally at -O3, and let developers/vendors
use -O3 if they want it and have tested it.

llvm-svn: 100941
2010-04-10 18:56:24 +00:00
Chris Lattner 9ae28b141f fix PR6743, a case where we'd delete an instruction before using it
in some cases.

llvm-svn: 100937
2010-04-10 18:26:57 +00:00
Chris Lattner b9801ffcb5 fix PR6760, a missing check in heap SRoA.
llvm-svn: 100936
2010-04-10 18:19:22 +00:00
Chris Lattner f60b74806f turn an assert into a proper check, fixing crash on invalid here:
$ llvm-as t.ll
llvm-as: t.ll:1:6: error: expected 'type' after '='
%0 = = type { i32, float, float, double }
     ^

PR6810.

llvm-svn: 100934
2010-04-10 18:01:25 +00:00
Chris Lattner 3a747aef96 improve haiku portability, patch by Paul Davey.
llvm-svn: 100933
2010-04-10 17:54:51 +00:00
Chris Lattner 2694145e2e add attributes and module level asm to the ocaml bindings,
patch by Patrick Walton!

llvm-svn: 100932
2010-04-10 17:52:58 +00:00
Sean Callanan a4ae4e7693 Updated the edis build mechanism to allow for builds
that do not build some (or all) of the targets that
edis supports.

llvm-svn: 100910
2010-04-10 00:48:10 +00:00
Dan Gohman 70e572e740 Fix a typo and some indentation.
llvm-svn: 100908
2010-04-09 22:47:25 +00:00
Dan Gohman 607e02b33a When determining a canonical insert position, don't climb deeper
into adjacent loops. Also, ensure that the insert position is
dominated by the loop latch of any loop in the post-inc set which
has a latch.

llvm-svn: 100906
2010-04-09 22:07:05 +00:00
Bob Wilson 67dd3a4464 Tidy whitespace.
llvm-svn: 100904
2010-04-09 21:38:26 +00:00
Johnny Chen 4e8bd58001 If all the bit positions are not specified; do not decode the instructions.
We are bound to fail!  For proper disassembly, the well-known encoding bits
of the instruction must be fully specified.

This also removes pseudo instructions from considerations of disassembly,
which is a better design and less fragile than the name matchings.

llvm-svn: 100899
2010-04-09 21:01:02 +00:00
Chris Lattner 74e2ef68b9 suck the propagating "has dynamic libs" check into a single makefile
variable TARGET_HAS_DYNAMIC_LIBS

llvm-svn: 100896
2010-04-09 20:51:47 +00:00
Chris Lattner c86cdc7d47 add minix support, patch by Kees van Reeuwijk! PR6797
llvm-svn: 100895
2010-04-09 20:45:04 +00:00
Chris Lattner 5c289f217b clean this up, fix std::min ambiguity on some platforms.
llvm-svn: 100894
2010-04-09 20:43:54 +00:00
Wesley Peck a2ca3fa781 Adding IPSCCP and Internalize passes to the C-bindings
llvm-svn: 100893
2010-04-09 20:43:20 +00:00
Bob Wilson 0106063556 Provide versions of the ARM eh_sjlj_setjmp instructions for non-VFP subtargets
such that the non-VFP versions have no implicit defs of VFP registers.
If any callee-saved VFP registers are marked as having been defined, the
prologue/epilogue code will try to save and restore them.
Radar 7770432.

llvm-svn: 100892
2010-04-09 20:41:18 +00:00
Ted Kremenek bfe98e644b Move 'Optional' class from Clang to LLVM/ADT.
llvm-svn: 100889
2010-04-09 20:25:54 +00:00
Johnny Chen 298a122fb4 ARM decoder emitter should print out useful information unconditionally when it
encounters decoding conflicts, instead of wrapping it inside the DEBUG() macro. 

llvm-svn: 100886
2010-04-09 19:31:33 +00:00
Dan Gohman 3295a6e5bc When emitting code for an add, don't force a SCEVUnknown wrapper around
a hoisted intermediate result if the intermediate result isn't an
Instruction.

llvm-svn: 100884
2010-04-09 19:14:31 +00:00
Dan Gohman 42ec4eb351 When looking for loop-invariant users, look through no-op instructions,
so that an unfortunately placed bitcast doesn't pin a value in a
register.

llvm-svn: 100883
2010-04-09 19:12:34 +00:00
Benjamin Kramer 7e4a475929 Make sure this test tests something.
llvm-svn: 100879
2010-04-09 19:03:31 +00:00
Bob Wilson 35e856a8ed Fix a grammaro.
llvm-svn: 100877
2010-04-09 18:39:54 +00:00
Bob Wilson 030591320d Add a testcase for svn r100568.
llvm-svn: 100876
2010-04-09 18:29:29 +00:00
Chris Lattner 1ef9826ff8 "On SPU, variables in the .bss section that are allocated with the .lcomm directive are not aligned on 16 byte boundaries. This causes misaligned loads, as the generated assembly assumes this "default" alignment.
this patch disables .lcomm in favour of '.local .comm'

Patch by Kalle Raisklia!

llvm-svn: 100875
2010-04-09 18:27:03 +00:00
Dan Gohman 394b624215 Add a comment.
llvm-svn: 100874
2010-04-09 18:20:03 +00:00
Bob Wilson b618912206 Fix up header comments to match the comment fixups I made in r100849.
llvm-svn: 100869
2010-04-09 16:24:49 +00:00
Devang Patel 541019ddec Clear InsnsBeginScopeSet and InsnsEndScopeSet at the end of function.
llvm-svn: 100867
2010-04-09 16:04:20 +00:00
Gabor Greif ef60190a00 performance: cache result of looking up user
llvm-svn: 100862
2010-04-09 15:18:34 +00:00
Dan Gohman d23fa7d90d Merge a few fast-isel tests.
llvm-svn: 100860
2010-04-09 15:03:55 +00:00
Dan Gohman 0a8175d1db Minor code simplification.
llvm-svn: 100859
2010-04-09 14:53:59 +00:00
Dan Gohman 87f8207c97 Delete this obsolete comment.
llvm-svn: 100858
2010-04-09 14:12:01 +00:00
Gabor Greif ce6dd889ec const-ize a predicate
llvm-svn: 100856
2010-04-09 10:57:00 +00:00
Chandler Carruth 825989ab63 Add a missing dependency to this library when building with CMake.
llvm-svn: 100852
2010-04-09 05:55:25 +00:00
Bob Wilson d8eeb12120 Use getNumImplicitDefs() and getNumImplicitUses().
llvm-svn: 100850
2010-04-09 04:46:43 +00:00
Bob Wilson 406f270148 Fix up some comments.
llvm-svn: 100849
2010-04-09 04:34:03 +00:00
Chris Lattner 55ddc30f07 revert r100842 which broke several of the build bots.
llvm-svn: 100848
2010-04-09 04:24:20 +00:00
Daniel Dunbar c1ba0c96e3 lit: Add support to OneCommandPerFileTest format to take input directory from input path.
llvm-svn: 100846
2010-04-09 02:15:10 +00:00
Dan Gohman d2df643ddb Refactor the code for computing the insertion point for an expression into
a separate function.

llvm-svn: 100845
2010-04-09 02:00:38 +00:00
Sean Callanan 844a7febd3 Added a tester for the enhanced disassembler,
integrated into the llvm-mc testing tool.

llvm-svn: 100842
2010-04-09 01:43:16 +00:00
Dan Gohman 9ba08a4631 Add several more lint checks.
llvm-svn: 100841
2010-04-09 01:39:53 +00:00
Dan Gohman ee6451dca1 Fix a bug in IVUsers which was permitting non-affine addrecs to
be sent to LSR, which it isn't prepared to handle.

llvm-svn: 100839
2010-04-09 01:22:56 +00:00
Dan Gohman 9c3d160039 Don't use reserved identifiers.
llvm-svn: 100838
2010-04-09 01:19:28 +00:00
Chris Lattner c6c153be45 fix a SCCP miscompilation that could happen when a
forced constant is changed to a constant, we would end
up adding the instruction to the wrong worklist, 
preventing it from being properly revisited.  This fixes
rdar://7832370

llvm-svn: 100837
2010-04-09 01:14:31 +00:00
Sean Callanan 48b1804e79 Bugfixes for edis. Code to initialize instruction
state was being executed too lazily, and the LLVM
assembly syntax for the disassembler was not being
written into the proper disassembler state variable.

llvm-svn: 100830
2010-04-09 00:11:15 +00:00
Dan Gohman 9b5d0bb774 Avoid allocating a value of zero in a register if the initial formula
inputs happen to negate each other.

llvm-svn: 100828
2010-04-08 23:36:27 +00:00
Dan Gohman 7808d490d3 Add a few more lint checks.
llvm-svn: 100825
2010-04-08 23:05:57 +00:00
Dan Gohman 4ce1fb1448 Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience.
llvm-svn: 100824
2010-04-08 23:03:40 +00:00
Chris Lattner 80c345927e delete a forwarding function.
llvm-svn: 100815
2010-04-08 21:34:17 +00:00
Chris Lattner 5418dd5fda move elf section uniquing to MCContext. Along the way
merge XCore's section into MCSectionELF

llvm-svn: 100812
2010-04-08 21:26:26 +00:00
Johnny Chen 75f82345c4 Now that Evan Cheng has fixed the coalescer bug (r100804), the workaround code
to avoid memcpy() call is no longer necessary.

llvm-svn: 100811
2010-04-08 21:23:54 +00:00
Chris Lattner 433d40695b remove the TargetLoweringObjectFileMachO::getMachoSection
api and update clients to use MCContext instead.

llvm-svn: 100808
2010-04-08 20:40:11 +00:00
Chris Lattner 2073112fc0 move macho section uniquing from MCParser and TLOF to MCContext where
the compiler and asmparser now unique to the same sections.  This fixes
rdar://7835021.

llvm-svn: 100807
2010-04-08 20:30:37 +00:00
Evan Cheng b083c47c21 Coalescer should not delete copy instructions whose defs are partially dead. e.g.
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>

llvm-svn: 100804
2010-04-08 20:02:37 +00:00
Ted Kremenek 7ffb294c5b Update CMake build.
llvm-svn: 100802
2010-04-08 18:52:18 +00:00
Ted Kremenek d87bd77586 Fix -Wsign-compare warning (issued by clang++).
llvm-svn: 100799
2010-04-08 18:49:30 +00:00
Dan Gohman 98bc4371c7 Add a -lint pass which checks for common sources of undefined or likely
unintended behavior.

llvm-svn: 100798
2010-04-08 18:47:09 +00:00
Devang Patel 359b013129 Rename a function.
llvm-svn: 100797
2010-04-08 18:43:56 +00:00
Chris Lattner 294a90d87a implicit defs get added to the end of machine instrs sometimes. Scan the whole instruction for the metadata operand instead of assuming it will be at the end of the instruction.
llvm-svn: 100792
2010-04-08 18:20:52 +00:00
Dan Gohman cb45bd9cb3 Pointers to zero-sized objects don't point to overlapping objects.
llvm-svn: 100789
2010-04-08 18:11:50 +00:00
Dan Gohman 386e01e879 Print empty structs as {} rather than { }.
llvm-svn: 100787
2010-04-08 18:03:05 +00:00
Dan Gohman b6c29c27da Fix a comment.
llvm-svn: 100783
2010-04-08 17:41:04 +00:00
Jeffrey Yasskin 96f8a4a82f Touch configure so it regenerates Disassemblers.def to include ARM so
people stop seeing a broken build in EDDisassembler.cpp

llvm-svn: 100782
2010-04-08 17:19:20 +00:00
Devang Patel 3ebd8931fb One instruction may start (or end) multiple lexical scopes.
There is no need to remember labels identifying regions marked by such instructions in each scope.

llvm-svn: 100781
2010-04-08 16:50:29 +00:00
Gabor Greif 64d8d1a022 clean up algorithm and remove operand order assumptions
llvm-svn: 100780
2010-04-08 16:46:24 +00:00
Dan Gohman bc048307f3 Fix a comment.
llvm-svn: 100774
2010-04-08 15:57:10 +00:00
Devang Patel 2abed283e5 Remove dead code.
llvm-svn: 100771
2010-04-08 15:48:02 +00:00
Devang Patel adfd4df12c Delete out of date comment.
llvm-svn: 100769
2010-04-08 15:41:13 +00:00
Devang Patel f1d5a1e994 Refactor.
llvm-svn: 100768
2010-04-08 15:37:09 +00:00
Benjamin Kramer 53dd088b58 Various MSVC warning fixes about truncated 64 bit shifts and const pointers passed to free.
llvm-svn: 100767
2010-04-08 15:25:57 +00:00
Benjamin Kramer a1eafb9afd Provide operator delete for BumpPtrAllocator and RecyclingAllocator. They will
never be called but msvc complains that they're missing.

llvm-svn: 100766
2010-04-08 15:22:35 +00:00
Gabor Greif c6a6d39289 use abstract interface in two more places
llvm-svn: 100762
2010-04-08 13:50:42 +00:00
Gabor Greif 1c73242012 fix compile
llvm-svn: 100760
2010-04-08 13:08:11 +00:00
Gabor Greif 11e7b32e4e use abstract interface
llvm-svn: 100758
2010-04-08 12:52:19 +00:00
Benjamin Kramer a6769269f3 Use twines to simplify calls to report_fatal_error. For code size and readability.
llvm-svn: 100756
2010-04-08 10:44:28 +00:00
Benjamin Kramer 634d9ff7c0 Use errs instead of fprintf.
llvm-svn: 100754
2010-04-08 09:42:29 +00:00
Evan Cheng ebe47c872f Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates.
llvm-svn: 100751
2010-04-08 07:37:57 +00:00
Dan Gohman 883105485b Revert this change from a while ago; ScalarEvolution shouldn't analyze
undef as 0, since it can't force other analyses to intepret the undef
in the same way.

llvm-svn: 100749
2010-04-08 05:58:24 +00:00
Dan Gohman 4506539d84 When expanding expressions which are using post-inc mode for multiple loops,
ensure that the expansion is dominated by the increments of those loops.

llvm-svn: 100748
2010-04-08 05:57:57 +00:00
Evan Cheng 058b9f04e8 Make post regalloc machine licm functional. It now passes all of MultiSource.
llvm-svn: 100742
2010-04-08 01:03:47 +00:00
Chris Lattner 685db9d59e typo
llvm-svn: 100738
2010-04-08 00:54:34 +00:00
Chris Lattner bd4ca62c80 document isvolatile etc.
llvm-svn: 100737
2010-04-08 00:53:57 +00:00
Eric Christopher c0f63cf7a9 mpsadbw is not commutative.
Fixes PR3440.

llvm-svn: 100736
2010-04-08 00:52:02 +00:00
Sean Callanan 03549ee5af Added support for ARM disassembly to edis.
I also added a rule to the ARM target's Makefile to
build the ARM-specific instruction information table
for the enhanced disassembler.

I will add the test harness for all this stuff in
a separate commit.

llvm-svn: 100735
2010-04-08 00:48:21 +00:00
Chris Lattner 3c65a8324d convert a report_fatal_error that I was able to trigger into a nice error
so the user at least knows what inline asm is a problem.  For example:

error: inline asm not supported yet: don't know how to handle tied indirect register inputs
pr8788-1.c:14:10: note: generated from here
    asm ("\n" : "+r" (stack->regs)
         ^

Instead of:
fatal error: error in backend: Don't know how to handle tied indirect register inputs yet!

llvm-svn: 100731
2010-04-08 00:09:16 +00:00
Evan Cheng 81fd35fd76 Fix typo.
llvm-svn: 100726
2010-04-07 23:51:38 +00:00
Chris Lattner 94ef52824b minor tidying.
llvm-svn: 100725
2010-04-07 23:50:38 +00:00
Chris Lattner cd92718a0f use assertions instead of unreachable for logic errors.
llvm-svn: 100724
2010-04-07 23:47:51 +00:00
Chris Lattner 1e45789ee0 introduce a new recoverable error handling API to LLVMContext
and use it in one place in inline asm handling stuff.  Before
we'd generate this for an invalid modifier letter:

$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl    ${0:Z}'
INLINEASM <es:abc incl    ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>


Now we generate this:

$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl    ${0:Z}'
asm.c:3:12: note: generated from here
  __asm__ ("incl    %Z0" : "+r" (X));
           ^
1 error generated.

This is much better but still admittedly not great ("why" is the operand 
invalid??), codegen should try harder with its diagnostics :)

llvm-svn: 100723
2010-04-07 23:40:44 +00:00
Dan Gohman eb7111b98f Say bitcast instead of bitconvert.
llvm-svn: 100720
2010-04-07 23:22:42 +00:00
Chris Lattner 59c5753174 rename llvm_install_error_handler -> install_fatal_error_handler
and friends.

llvm-svn: 100717
2010-04-07 23:12:29 +00:00
Ted Kremenek 4b1b4205ed Update CMake build.
llvm-svn: 100714
2010-04-07 23:05:23 +00:00
Benjamin Kramer 33f6413c58 Update cmake build.
llvm-svn: 100713
2010-04-07 23:01:37 +00:00
Eric Christopher e8b281c3c3 Add support for stpncpy_chk.
llvm-svn: 100710
2010-04-07 23:00:07 +00:00
Chris Lattner 2104b8d36e rename llvm::llvm_report_error -> llvm::report_fatal_error
llvm-svn: 100709
2010-04-07 22:58:41 +00:00
Chris Lattner 5109d3e55d add newlines at end of files.
llvm-svn: 100706
2010-04-07 22:54:55 +00:00
Chris Lattner 3ae2dd2ba5 add newlines at the end of files.
llvm-svn: 100705
2010-04-07 22:53:17 +00:00
Chris Lattner cc7bb24fe2 remove some unneeded errorhandling stuff.
llvm-svn: 100703
2010-04-07 22:44:07 +00:00
Chris Lattner b6166b372e minor tidying up
llvm-svn: 100702
2010-04-07 22:41:29 +00:00
Chris Lattner b50e795369 tidy up
llvm-svn: 100700
2010-04-07 22:29:10 +00:00
Dan Gohman d006ab90dd Generalize IVUsers to track arbitrary expressions rather than expressions
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.

This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.

This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.

llvm-svn: 100699
2010-04-07 22:27:08 +00:00
Johnny Chen 85ce9f4f30 Missed this one line for the previous checkin to fix build warnings.
llvm-svn: 100697
2010-04-07 22:21:03 +00:00
Johnny Chen 8b04b550df Fixed warnings pointed out by clang.
llvm-svn: 100696
2010-04-07 22:03:27 +00:00
Johnny Chen 80f8c3d533 Fixed warnings pointed out by clang.
Next to work on is ARMDisassemblerCore.cpp.

llvm-svn: 100695
2010-04-07 21:52:48 +00:00
Sean Callanan 1efe661b46 Fixed a bug where the disassembler would allow an immediate
argument that had to be between 0 and 7 to have any value,
firing an assert later in the AsmPrinter.  Now, the
disassembler rejects instructions with out-of-range values
for that immediate.

llvm-svn: 100694
2010-04-07 21:42:19 +00:00
Johnny Chen 3f253e2cb1 Fixed 3 warnings pointed out by clang.
llvm-svn: 100693
2010-04-07 21:23:48 +00:00
Benjamin Kramer f812ff6f2e unXFAIL, arm disassembler was reenabled.
llvm-svn: 100692
2010-04-07 21:19:41 +00:00
Eric Christopher 978d33a937 Fix typo and correct comment somewhat.
llvm-svn: 100691
2010-04-07 20:58:16 +00:00
Johnny Chen 4e2f8722c4 Re-enable ARM/Thumb disassembler and add a workaround for a memcpy() call in
ARMDecoderEmitter.cpp, with FIXME comment.

llvm-svn: 100690
2010-04-07 20:53:12 +00:00
Dale Johannesen f118f9788b Split big test into multiple directories to cater to
those who don't build all targets.

llvm-svn: 100688
2010-04-07 20:43:35 +00:00
Sean Callanan 643a55708f Added an AsmLexer for the ARM target, which uses
a simple mapping of register names to IDs to
identify register tokens.

llvm-svn: 100685
2010-04-07 20:29:34 +00:00
Dale Johannesen 27c786bcf9 Test that DEBUG_VALUE comments come out on a variety of targets.
llvm-svn: 100682
2010-04-07 20:01:24 +00:00
Dale Johannesen 60b289709e Educate GetInstrSizeInBytes implementations that
DBG_VALUE does not generate code.

llvm-svn: 100681
2010-04-07 19:51:44 +00:00
Gabor Greif 08d85da6cc fix 80-col violations
llvm-svn: 100677
2010-04-07 18:59:26 +00:00
Anton Korobeynikov 6e01726eae Remove late ARM codegen optimization pass committed by accident.
It is not ready for public yet.

llvm-svn: 100673
2010-04-07 18:23:27 +00:00
Anton Korobeynikov 090323aee5 Split A8/A9 itins - they already were too big.
llvm-svn: 100672
2010-04-07 18:22:11 +00:00
Anton Korobeynikov 32457d6c5e Add some crude itin approximation for VFP load / stores on A9
llvm-svn: 100671
2010-04-07 18:22:03 +00:00
Anton Korobeynikov d351104f19 Add some crude approximation for neon load/store instructions
llvm-svn: 100670
2010-04-07 18:21:58 +00:00
Anton Korobeynikov 4acfad7c1b Add some A8-based approximation for instructions with unknown cycle times
llvm-svn: 100669
2010-04-07 18:21:52 +00:00
Anton Korobeynikov 4fb6a66c8f Move NEON-VFP domain fixer upper, so post-RA scheduler would benefit from it.
llvm-svn: 100668
2010-04-07 18:21:46 +00:00
Anton Korobeynikov 982f0ceaf8 Since tblgen bug was fixed (thanks Jakob!) we don't need InstrStage2 hack anymore.
llvm-svn: 100667
2010-04-07 18:21:41 +00:00
Anton Korobeynikov 4050d69dcf Fix A8 FP NEON MAC itins
llvm-svn: 100666
2010-04-07 18:21:33 +00:00
Anton Korobeynikov 9ff2f8f7a5 A9 NEON FP itins
llvm-svn: 100665
2010-04-07 18:21:27 +00:00
Anton Korobeynikov 03b317a286 Some permute goodness for A9
llvm-svn: 100664
2010-04-07 18:21:22 +00:00
Anton Korobeynikov 7ab31047a7 More shift itins for A9
llvm-svn: 100663
2010-04-07 18:21:16 +00:00
Anton Korobeynikov 4d36f8890f More fixes for itins
llvm-svn: 100662
2010-04-07 18:21:10 +00:00
Anton Korobeynikov ceb54d5ab0 Fix invalid itins for 32-bit varians of VMLAL and friends
llvm-svn: 100661
2010-04-07 18:21:04 +00:00
Anton Korobeynikov f64c7ca5c3 Add MAC stuff for A9
llvm-svn: 100660
2010-04-07 18:20:58 +00:00
Anton Korobeynikov 2ef0a12fa1 Fix invalid NEON MAC itins on A8
llvm-svn: 100659
2010-04-07 18:20:53 +00:00
Anton Korobeynikov 5e208dc21b Fix itins for VPAL
llvm-svn: 100658
2010-04-07 18:20:47 +00:00
Anton Korobeynikov a248becd6c Fix itins for VABA
llvm-svn: 100657
2010-04-07 18:20:42 +00:00
Anton Korobeynikov a3e4989ad8 Correct VMVN itinerary: operand is read in the second cycle, not in the first.
llvm-svn: 100656
2010-04-07 18:20:36 +00:00
Anton Korobeynikov 140a65ce0b More A9 itineraries
llvm-svn: 100655
2010-04-07 18:20:29 +00:00
Anton Korobeynikov 1a1af5a830 Correct itinerary class for VPADD
llvm-svn: 100654
2010-04-07 18:20:24 +00:00
Anton Korobeynikov 4650fd5fc6 VP{MAX, MIN} are of IIC_VSUBi4D itin class as well.
llvm-svn: 100653
2010-04-07 18:20:18 +00:00
Anton Korobeynikov 7d4fad5942 VHADD differs from VHSUB at least on A9 - the former reads both operands in the second cycle, while the latter reads second operand in first cycle. Introduce new itin classes to catch this behavior. Whether this is true for A8 as well is WIP.
llvm-svn: 100652
2010-04-07 18:20:13 +00:00
Anton Korobeynikov 2cba05bbe1 Some easy NEON scheduling goodness for A9
llvm-svn: 100651
2010-04-07 18:20:07 +00:00
Anton Korobeynikov 2063705d91 Define new itin classes for ARM <-> VFP reg moves to distinguish from NEON ops. Define proper scheduling itinerary for them on A9. A8 TRM does not specify latency for them at all :(
llvm-svn: 100650
2010-04-07 18:20:02 +00:00
Anton Korobeynikov c1e7a6feac FCONST{S,D} behaves the same way as FP unary instructions. This is true for both A8 and A9.
llvm-svn: 100649
2010-04-07 18:19:56 +00:00
Anton Korobeynikov dad973334b Proper cycle times for locks, since wbck latency can be larger than fwd latency.
llvm-svn: 100648
2010-04-07 18:19:51 +00:00
Anton Korobeynikov 4c1da0f82a Add new itin classes for FP16 <-> FP32 conversions and make uise of them for A9.
llvm-svn: 100647
2010-04-07 18:19:46 +00:00
Anton Korobeynikov baeb210be7 Make use of new reserved/required scheduling stuff: introduce VFP and NEON locks to model domain cross stalls precisly.
llvm-svn: 100646
2010-04-07 18:19:40 +00:00
Anton Korobeynikov 0bdc6345e8 Initial support for different kinds of FU reservation.
llvm-svn: 100645
2010-04-07 18:19:32 +00:00
Anton Korobeynikov 9a348a9572 Factor out scoreboard into separate class. This way we might have several different score boards.
llvm-svn: 100644
2010-04-07 18:19:24 +00:00
Anton Korobeynikov 15ccae2a46 Some bits of A9 scheduling: VFP
llvm-svn: 100643
2010-04-07 18:19:18 +00:00
Anton Korobeynikov 10fc6e9650 Separate const from non-const stuff during mergeing
llvm-svn: 100642
2010-04-07 18:19:13 +00:00
Anton Korobeynikov 0453de0133 Some initial version of global merger
llvm-svn: 100641
2010-04-07 18:19:07 +00:00