Commit Graph

50506 Commits

Author SHA1 Message Date
Hal Finkel ad677b64db Add PPC 440 scheduler and some associated tests (new files)
llvm-svn: 142171
2011-10-17 04:03:55 +00:00
Hal Finkel 6fa5697af0 Add PPC 440 scheduler and some associated tests
llvm-svn: 142170
2011-10-17 04:03:49 +00:00
Chandler Carruth 3e8aa65bc2 Add a routine to swap branch instruction operands, and update any
profile metadata at the same time. Use it to preserve metadata attached
to a branch when re-writing it in InstCombine.

Add metadata to the canonicalize_branch InstCombine test, and check that
it is tranformed correctly.

Reviewed by Nick Lewycky!

llvm-svn: 142168
2011-10-17 01:11:57 +00:00
Chandler Carruth 91f4faf877 Delete a dead member. Dunno if this was ever used, but the current code
directly manipulates the weights inside of the BranchProbabilityInfo
that is passed in.

llvm-svn: 142163
2011-10-16 22:27:54 +00:00
Chandler Carruth 47e1db1e59 Add a proper LLVM banner to this file.
llvm-svn: 142162
2011-10-16 22:15:07 +00:00
Nadav Rotem 486ff59a9f Enable element promotion type legalization by deafault.
Changed tests which assumed that vectors are legalized by widening them.

llvm-svn: 142152
2011-10-16 20:31:33 +00:00
Nick Lewycky 0a7e9ccf04 When looking for dependencies on the src pointer, scan the src pointer. Scanning
on the memcpy call will pull up other unrelated stuff. Fixes PR11142.

llvm-svn: 142150
2011-10-16 20:13:32 +00:00
Craig Topper 96fa597828 Add X86 PEXTR and PDEP instructions.
llvm-svn: 142141
2011-10-16 16:50:08 +00:00
Benjamin Kramer cc863b2bb6 Let printf do the formatting instead aligning strings ourselves.
While at it, merge some format strings.

llvm-svn: 142140
2011-10-16 16:30:34 +00:00
Benjamin Kramer cb6b02a086 Twinify better.
llvm-svn: 142139
2011-10-16 15:46:29 +00:00
Benjamin Kramer 1930b003fe Add AsmToken::getEndLoc and use it to add ranges to x86 asm register parsing.
<stdin>:1:12: error: register %rax is only available in 64-bit mode
   incl    %rax
           ^~~~

llvm-svn: 142137
2011-10-16 12:10:27 +00:00
Benjamin Kramer d416bae5f2 X86AsmParser: Synthesize EndLoc for tokens out of StartLoc + Length and print ranges for invalid operands.
<stdin>:1:4: error: invalid instruction mnemonic 'abc'
   abc incl    %edi
   ^~~

llvm-svn: 142135
2011-10-16 11:28:29 +00:00
Benjamin Kramer 47f5e30e78 PR11143: Save the old diagnostic handler and call it when munging diagnostics for #line directives.
This reenables proper inline asm diagnostics in clang

llvm-svn: 142132
2011-10-16 10:48:29 +00:00
Nadav Rotem bc25b6eb67 Fix a bug in LowerV2I64Splat, which generated a BUILD_VECTOR for which there was
no pattern.

llvm-svn: 142130
2011-10-16 10:02:06 +00:00
Craig Topper aea148c366 Add X86 BZHI instruction as well as BMI2 feature detection.
llvm-svn: 142122
2011-10-16 07:55:05 +00:00
Craig Topper 0ae8d4d738 Add X86 INVPCID instruction. Add 32/64-bit predicates to INVEPT, INVVPID, VMREAD, and VMWRITE to remove hack from X86RecognizableInstr.
llvm-svn: 142117
2011-10-16 07:05:40 +00:00
Cameron Zwarich 434b3bff44 Add flags on Thumb2 indexed stores paralleling the flags on the indexed loads.
These missing flags show up as errors when running -verify-coalescing on
test-suite.

llvm-svn: 142111
2011-10-16 06:38:10 +00:00
Cameron Zwarich 08ca5d35bd Fix an obvious typo found when looking at nearby code.
llvm-svn: 142110
2011-10-16 06:38:06 +00:00
Chris Lattner 7284526aff remove the dead 'ShowLine' argument from SMDiagnostic.
llvm-svn: 142108
2011-10-16 05:47:55 +00:00
Chris Lattner 03b80a4027 Make SMDiagnostic a little more sane. Instead of passing around note/warning/error as a
string, pass it around as an enum.

llvm-svn: 142107
2011-10-16 05:43:57 +00:00
Chris Lattner a3a0681083 Enhance llvm::SourceMgr to support diagnostic ranges, the same way clang does. Enhance
the X86 asmparser to produce ranges in the one case that was annoying me, for example:

test.s:10:15: error: invalid operand for instruction
movl 0(%rax), 0(%edx)
              ^~~~~~~

It should be straight-forward to enhance filecheck, tblgen, and/or the .ll parser to use 
ranges where appropriate if someone is interested.

llvm-svn: 142106
2011-10-16 04:47:35 +00:00
Craig Topper 25ea4e5ad3 Add X86 BEXTR instruction. This instruction uses VEX.vvvv to encode Operand 3 instead of Operand 2 so needs special casing in the disassembler and code emitter. Ultimately, should pass this information from tablegen
llvm-svn: 142105
2011-10-16 03:51:13 +00:00
Craig Topper 6c8879e3ab Add X86 feature detection support for BMI instructions. Added new cpuid function for accessing leafs with sub leafs specified in ECX. Also added code to keep track of the max cpuid level supported in both basic and extended leaves and qualified the existing cpuid calls and the new call to leaf 7.
llvm-svn: 142089
2011-10-16 00:21:51 +00:00
Craig Topper 27ad12539d Add support for X86 blsr, blsmsk, and blsi instructions. Required extra work because these are the first VEX encoded instructions to use the reg field as an opcode extension.
llvm-svn: 142082
2011-10-15 20:46:47 +00:00
Nadav Rotem 45f0f87af5 The CELL backend cannot select patterns for vector trunc-store and shl on v2i64; CellSPU/shift_ops.ll fails when promoting elements.
llvm-svn: 142081
2011-10-15 20:05:17 +00:00
Nadav Rotem 097106b77a ARM cannot select a pattern for trunc-store v4i8; /ARM/vrev.ll fails when promoting elements.
llvm-svn: 142080
2011-10-15 20:03:12 +00:00
Benjamin Kramer 5fb5e3b384 SmallVector -> array
llvm-svn: 142073
2011-10-15 13:28:31 +00:00
Duncan Sands f537a6edd4 Don't replace all dominated uses if there is only one use, since that
use can't be dominated, saving one domtree lookup.

llvm-svn: 142066
2011-10-15 11:13:42 +00:00
Benjamin Kramer 4d681d7dc4 Add a bad char heuristic to StringRef::find.
Based on Horspool's simplified version of Boyer-Moore. We use a constant-sized table of
uint8_ts to keep cache thrashing low, needles bigger than 255 bytes are uncommon anyways.

The worst case is still O(n*m) but we do a lot better on the average case now.

llvm-svn: 142061
2011-10-15 10:08:31 +00:00
Nadav Rotem ebe13bc3f1 Move the legalization of vector loads and stores into LegalizeVectorOps. In some
cases we need the second type-legalization pass in order to support all cases.

llvm-svn: 142060
2011-10-15 07:41:10 +00:00
Andrew Trick fd4ca0f4ac Fix SCEVExpander assert during LSR: "argument of incompatible type".
Just because we're dealing with a GEP doesn't mean we can assert the
SCEV has a pointer type. The fix is simply to ignore the SCEV pointer
type, which we really didn't need.
Fixes PR11138 webkit crash.

llvm-svn: 142058
2011-10-15 06:19:55 +00:00
NAKAMURA Takumi ea97a05fc5 Revert r142046, "Fix for llvm::sys::getHostTriple on Windows. Instead of relying on the triple"
It extremely breaks builds when optimization is enabled. Twine should not hold temporary objects.

By the way, I might feel sad if I saw "i786-" "i1586-" or "iF86-".

llvm-svn: 142055
2011-10-15 04:29:36 +00:00
Chad Rosier 559b8f2ae9 Fix for llvm::sys::getHostTriple on Windows. Instead of relying on the triple
from config.h, it discovers the triple based on the execution environment.

Patch by Aaron Ballman <aaron@aaronballman.com>

llvm-svn: 142046
2011-10-15 02:10:06 +00:00
NAKAMURA Takumi 7bc976a8ef Windows/Memory.inc: Support the ability to allocate memory "near" another block of memory on Win32. It has fixed FIXME.
Thanks to Aaron Ballman!

llvm-svn: 142039
2011-10-15 01:58:16 +00:00
Andrew Trick d50861c831 Fix indvars randomness by removing iteration over a map.
I rewrote the algorithm a while back so it doesn't require map lookup,
but neglected to change the data structure. This was caught by
llvm-gcc self host, not because there's anything special about
llvm-gcc, but because it is the only test for nondeterminism we
currently have. Unit tests don't work well for everything; we should
always try to have a nondeterminism stress test running.

Fixes PR11133: llvm-gcc self host .o mismatch after enable-iv-rewrite=false

llvm-svn: 142036
2011-10-15 01:38:14 +00:00
Bill Wendling 2730a0099a Clear out the landing pad to call site map for each function.
This isn't put into the 'clear()' method because the information needs to stick
around (at least for a little bit) after the selection DAG is built.

llvm-svn: 142032
2011-10-15 01:00:26 +00:00
Jakob Stoklund Olesen dd2b39d989 Mark tADDrSPi as having side effects again.
It really doesn't, but when r141929 removed the hasSideEffects flag from
this instruction, it caused miscompilations.  I am guessing that it got
moved across a stack pointer update.

Also clear isRematerializable after checking that this instruction is
in fact never rematerialized in the nightly test suite.

llvm-svn: 142030
2011-10-15 00:57:13 +00:00
Chad Rosier 1809d6c0d5 Thumb1 does not support dynamic stack realignment.
rdar://10288916 is tracking this fix.

In the past, instcombine and other passes were promoting alloca alignment past
the natural alignment, resulting in dynamic stack realignment.  Lang's work now
prevents this from happening (LLVM commit r141599).  Now that this really 
shouldn't happen report a fatal error rather than silently generate bad code.

llvm-svn: 142028
2011-10-15 00:28:24 +00:00
Bill Wendling 9c1019c6c7 Mark registers as DEAD because they're really just clobbers.
llvm-svn: 142027
2011-10-15 00:27:44 +00:00
Eli Friedman 74d1da5a05 Add missing correctness check to ARMTargetLowering::ReconstructShuffle. Fixes PR11129.
llvm-svn: 142022
2011-10-14 23:58:49 +00:00
Bill Wendling 9e0cd1ee17 Make sure that the register is in the register class before adding it as a machine op.
llvm-svn: 142021
2011-10-14 23:55:44 +00:00
Bill Wendling 6f3f9a391e Mark the invoke call instruction as implicitly defining the callee-saved registers.
The callee-saved registers cannot be live across an invoke call because the
control flow may continue along the exceptional edge. When this happens, all of
the callee-saved registers are no longer valid.

llvm-svn: 142018
2011-10-14 23:34:37 +00:00
Chris Lattner 8a038652f2 constify array itself, don't iterate multiple times.
llvm-svn: 142013
2011-10-14 22:50:21 +00:00
Tanya Lattner ea166d44e7 Allow the source module to be materialized during the linking process.
llvm-svn: 142010
2011-10-14 22:17:46 +00:00
Richard Trieu 8b478360ef Fix a non-firing assert. Change:
assert("bad SymbolicOp.VariantKind");
To:
    assert(0 && "bad SymbolicOp.VariantKind");

llvm-svn: 142000
2011-10-14 20:50:26 +00:00
Torok Edwin ab6158e2e3 ocaml bindings: add getopcode for constant and instruction, and int64_of_const.
llvm-svn: 141990
2011-10-14 20:37:49 +00:00
Torok Edwin 2e9affec15 bindings: tab and indentation fixes of my previous commits
llvm-svn: 141989
2011-10-14 20:37:42 +00:00
Evan Cheng 06fdaeb5d9 A few 80-col violations.
llvm-svn: 141988
2011-10-14 20:36:23 +00:00
Owen Anderson 4a49dee221 Disable code/data region symbols on ELF targets, where different mapping symbols are used for ARM/Thumb mode code. This should only be re-enabled once we have a solution to properly distinguish these.
llvm-svn: 141984
2011-10-14 20:28:57 +00:00
Hal Finkel 450128a68c Add an implementation of the CanLowerReturn function to the PPC backend
llvm-svn: 141981
2011-10-14 19:51:36 +00:00
Akira Hatanaka 44419bfd54 Add f128 to datalayout string.
llvm-svn: 141978
2011-10-14 19:14:50 +00:00
Hal Finkel 4903379088 initial test commit (remove whitespace)
llvm-svn: 141972
2011-10-14 18:54:13 +00:00
Jakob Stoklund Olesen 06b6ccfe90 Update live-in lists when splitting critical edges.
Fixes PR10814. Patch by Jan Sjödin!

llvm-svn: 141960
2011-10-14 17:25:46 +00:00
Akira Hatanaka 62b34a65f9 Revert r141932, r141936 and r141937.
llvm-svn: 141959
2011-10-14 17:16:39 +00:00
Jim Grosbach 400907cc41 Fix typo. "__sync_fetch_and-xor_4" should be "__sync_fetch_and_xor_4".
Pointed out by George Russell.

llvm-svn: 141956
2011-10-14 15:53:48 +00:00
Nick Lewycky a447e0f38f An instruction's operands aren't necessarily instructions or constants. They
could be arguments, for example.

No testcase because this is a bug-fix broken out of a larger optimization patch.

llvm-svn: 141951
2011-10-14 09:38:46 +00:00
Craig Topper 965de2c197 Add X86 ANDN instruction. Including instruction selection.
llvm-svn: 141947
2011-10-14 07:06:56 +00:00
Craig Topper 3657fe4b17 Add X86 TZCNT instruction and patterns to select it. Also added core-avx2 processor which is gcc's name for Haswell.
llvm-svn: 141939
2011-10-14 03:21:46 +00:00
Akira Hatanaka d9ea7c8c31 Definition of function getMipsRegisterNumbering.
Patch by Jack Carter and Reed Kotler at Mips. 

llvm-svn: 141938
2011-10-14 03:04:24 +00:00
Akira Hatanaka 1742a2c093 Add definition of class MipsELFWriterInfo.
Patch by Jack Carter and Reed Kotler at Mips. 

llvm-svn: 141937
2011-10-14 02:55:47 +00:00
Akira Hatanaka 0fc7d7af5a Add missing relocation types.
Patch by Jack Carter and Reed Kotler at Mips. 

llvm-svn: 141936
2011-10-14 02:47:50 +00:00
Akira Hatanaka 769fc971b4 Fixup enumerations.
Patch by Jack Carter at Mips. 

llvm-svn: 141934
2011-10-14 02:38:56 +00:00
Akira Hatanaka 4e2bfe0770 Add more Mips relocation types.
Patch by Jack Carter at Mips. 

llvm-svn: 141932
2011-10-14 02:17:30 +00:00
Jakob Stoklund Olesen d9444d455e Ban rematerializable instructions with side effects.
TableGen infers unmodeled side effects on instructions without a
pattern.  Fix some instruction definitions where that was overlooked.

Also raise an error if a rematerializable instruction has unmodeled side
effects. That doen't make any sense.

llvm-svn: 141929
2011-10-14 01:00:49 +00:00
Jakob Stoklund Olesen eafa9d50c2 V_SET0 has no side effects.
TableGen will mark any pattern-less instruction as having unmodeled side
effects. This is extra bad for V_SET0 which gets rematerialized a lot.

This was part of the cause for PR11125, but the real bug was fixed
in r141923.

llvm-svn: 141924
2011-10-14 00:39:50 +00:00
Jakob Stoklund Olesen 7fb5632e73 Add value numbers when spilling dead defs.
When spilling around an instruction with a dead def, remember to add a
value number for the def.

The missing value number wouldn't normally create problems since there
would be an incoming live range as well.  However, due to another bug
we could spill a dead V_SET0 instruction which doesn't read any values.

The missing value number caused an empty live range to be created which
is dangerous since it doesn't interfere with anything.

This fixes part of PR11125.

llvm-svn: 141923
2011-10-14 00:34:31 +00:00
Eli Friedman b46345d7c1 Avoid undefined behavior in negation in LSR. Patch by Ahmed Charles.
Someone more familiar with LSR should double-check that the extra cast is actually doing the right thing in the overflow cases; I'm not completely confident that's that case. 

llvm-svn: 141916
2011-10-13 23:48:33 +00:00
Eli Friedman a7ad9f3932 Fix undefined shift. Patch by Ahmed Charles.
llvm-svn: 141914
2011-10-13 23:36:06 +00:00
Eli Friedman a5abd03a8d Simplify assertion, and avoid undefined shift. Based on patch by Ahmed Charles.
llvm-svn: 141912
2011-10-13 23:27:48 +00:00
Michael J. Spencer a7a90bfdab Support/Windows: Add support modifying memory permissions on Windows. Patch by Aaron Ballman!
llvm-svn: 141910
2011-10-13 23:16:01 +00:00
Eli Friedman 92734d6f46 Fix undefined shifts and abs in Alpha backend. Based on patch by Ahmed Charles.
llvm-svn: 141909
2011-10-13 23:13:35 +00:00
Michael J. Spencer 0084615924 Support/Windows: Add efficent RW mutex on Windows. Patch by Aaron Ballman!
llvm-svn: 141907
2011-10-13 23:10:56 +00:00
Eli Friedman 53ba208c72 Avoid undefined behavior in signed integer negation. Patch by Ahmed Charles.
llvm-svn: 141905
2011-10-13 22:49:56 +00:00
Eli Friedman aa6ec39056 Simplify and avoid undefined shift. Based on patch by Ahmed Charles.
llvm-svn: 141903
2011-10-13 22:40:23 +00:00
Michael J. Spencer 834bd602e6 ELF: Fix the section that relocations apply to. Add test to verify. Patch by Danil Malyshev!
llvm-svn: 141901
2011-10-13 22:30:10 +00:00
Eli Friedman c1702c8f22 Enhance the memdep interface so that users can tell the difference between a dependency which cannot be calculated and a path reaching the entry point of the function. This patch introduces isNonFuncLocal, which replaces isUnknown in some cases.
Patch by Xiaoyi Guo.

llvm-svn: 141896
2011-10-13 22:14:57 +00:00
Andrew Trick 870c1a3f15 Reapply r141870, SCEV expansion of post-inc.
Speculatively reapply to see if this test case still crashes on
linux. I may have fixed it in my last checkin.

llvm-svn: 141895
2011-10-13 21:55:29 +00:00
Eric Christopher 76933f4c0b Don't forget to reconstruct D after changing the scope that we're
looking at.

llvm-svn: 141892
2011-10-13 21:43:44 +00:00
Michael J. Spencer 9a28851e52 COFF: Implement sectionContainsSymbol for relocatable files only.
llvm-svn: 141884
2011-10-13 20:36:54 +00:00
Andrew Trick 7e442569dc Fix memory corruption I introduced a few checkins ago.
Self-review easily caught this obvious bug.

llvm-svn: 141880
2011-10-13 18:49:23 +00:00
Owen Anderson 44f76eafae SETEND is not allowed in an IT block.
llvm-svn: 141874
2011-10-13 17:58:39 +00:00
Andrew Trick 41c253c35c Revert r141870. The test case crashes on linux with data corruption. A deeper issue was exposed.
llvm-svn: 141873
2011-10-13 17:58:24 +00:00
Andrew Trick e15d6e14e3 LSR: Reuse the post-inc expansion of expressions.
This avoids unnecessary expansion of expressions and allows the SCEV
expander to work on expression DAGs, not just trees.
Fixes PR11090.

llvm-svn: 141870
2011-10-13 17:31:47 +00:00
Andrew Trick 1393ec29af SCEV: Rewrite TrandformForPostIncUse to handle expression DAGs, not
just expression trees.

Partially fixes PR11090. Test case will be with the full fix.

llvm-svn: 141868
2011-10-13 17:21:09 +00:00
Andrew Trick adfe72b33c Slightly more useful tracing.
llvm-svn: 141867
2011-10-13 17:06:38 +00:00
Kalle Raiskila 3815de8d50 Mark 'branch indirect' instruction as an indirect branch.
Not having it confused assembly printing of jumptables.

llvm-svn: 141862
2011-10-13 11:40:03 +00:00
Bill Wendling 25f6d3e321 More closely follow libgcc, which has code after the `ret' instruction to
release the stack segment and reset the stack pointer. Place the code in its own
MBB to make the verifier happy.

llvm-svn: 141859
2011-10-13 08:24:19 +00:00
Bill Wendling 063f55ffdd Revert r141854 because it was causing failures:
http://lab.llvm.org:8011/builders/llvm-x86_64-linux/builds/101

--- Reverse-merging r141854 into '.':
U    test/MC/Disassembler/X86/x86-32.txt
U    test/MC/Disassembler/X86/simple-tests.txt
D    test/CodeGen/X86/bmi.ll
U    lib/Target/X86/X86InstrInfo.td
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86.td
U    lib/Target/X86/X86Subtarget.h

llvm-svn: 141857
2011-10-13 07:48:07 +00:00
Bill Wendling 22a690e3db Should not add instructions to a BB after a return instruction. The machine instruction verifier doesn't like this, nor do I.
llvm-svn: 141856
2011-10-13 07:42:32 +00:00
Cameron Zwarich 86f7d3556c Use an existing method.
llvm-svn: 141855
2011-10-13 07:36:41 +00:00
Craig Topper 8cc9388073 Add X86 TZCNT instruction and patterns to select it. Also added core-avx2 processor which is gcc's name for Haswell.
llvm-svn: 141854
2011-10-13 07:09:14 +00:00
Craig Topper 2fdcb1f045 Add 'implicit EFLAGS' to patterns for popcnt and lzcnt
llvm-svn: 141853
2011-10-13 06:18:52 +00:00
Nick Lewycky d3043965b9 Elf_Word is not POD! Stop using it in a DenseMap.
llvm-svn: 141851
2011-10-13 03:30:21 +00:00
Nick Lewycky 594a545821 If MI is deleted then remove it from the set. If a new MI is created, it could
have the same address as the one we deleted, and we don't want that in the set
yet. Noticed by inspection.

llvm-svn: 141849
2011-10-13 02:16:18 +00:00
Nick Lewycky 404feb9973 Tabs to spaces.
llvm-svn: 141844
2011-10-13 01:09:50 +00:00
Nick Lewycky 8488225984 Add missing braces to pacify GCC's -Wparentheses.
llvm-svn: 141842
2011-10-13 00:54:59 +00:00
Jakob Stoklund Olesen 068dc91de9 Also inflate register classes around inline asm.
Now that MI->getRegClassConstraint() can also handle inline assembly,
don't bail when recomputing the register class of a virtual register
used by inline asm.

This fixes PR11078.

llvm-svn: 141836
2011-10-12 23:37:40 +00:00
Jakob Stoklund Olesen 35b362fab2 Add MachineInstr::getRegClassConstraint().
Most instructions have some requirements for their register operands.
Usually, this is expressed as register class constraints in the
MCInstrDesc, but for inline assembly the constraints are encoded in the
flag words.

llvm-svn: 141835
2011-10-12 23:37:36 +00:00
Jakob Stoklund Olesen 1e73716eae Extract a method for finding the inline asm flag operand.
llvm-svn: 141834
2011-10-12 23:37:33 +00:00
Jakob Stoklund Olesen 24abd9d9b6 Encode register class constreaints in inline asm instructions.
The inline asm operand constraint is initially encoded in the virtual
register for the operand, but that register class may change during
coalescing, and the original constraint is lost.

Encode the original register class as part of the flag word for each
inline asm operand.  This makes it possible to recover the actual
constraint required by inline asm, just like we can for normal
instructions.

llvm-svn: 141833
2011-10-12 23:37:29 +00:00