Commit Graph

55300 Commits

Author SHA1 Message Date
Jim Grosbach 67584fe874 Add more detail for getting started on Windows.
Patch from jon.forums at gmail.com

llvm-svn: 91603
2009-12-17 17:18:11 +00:00
Ken Dyck 798493285c In LowerEXTRACT_VECTOR_ELT, force an i32 value type for PEXTWR instead of
incrementing the simple value type of the 16-bit type, which would give the
wrong type if an intemediate MVT (such as i24) were introduced.

llvm-svn: 91602
2009-12-17 15:31:52 +00:00
Evan Cheng 090ac0865a Revert 91280-91283, 91286-91289, 91291, 91293, 91295-91296. It apparently introduced a non-deterministic behavior in the optimizer somewhere.
llvm-svn: 91598
2009-12-17 09:39:49 +00:00
Mikhail Glushenkov 108b0682e4 Regenerate.
llvm-svn: 91595
2009-12-17 07:49:26 +00:00
Mikhail Glushenkov 1fe2678a06 Add a 'set_option' action for use in OptionPreprocessor.
llvm-svn: 91594
2009-12-17 07:49:16 +00:00
Mikhail Glushenkov 9bbd4eb9f5 Refactoring, no functionality change.
llvm-svn: 91593
2009-12-17 07:48:49 +00:00
Mikhail Glushenkov bea9ce8826 s/TokenizeCmdline/TokenizeCmdLine/
llvm-svn: 91592
2009-12-17 07:48:34 +00:00
Chandler Carruth 187220e3f5 Update CMake build to include HexDisassembler.cpp.
llvm-svn: 91589
2009-12-17 06:35:17 +00:00
Eli Friedman e67cae33e1 Aggressively flip compare constant expressions where appropriate; constant
folding in particular expects null to be on the RHS.

llvm-svn: 91587
2009-12-17 06:07:04 +00:00
Bob Wilson 1c00b6964f Fix a comment grammaro.
llvm-svn: 91584
2009-12-17 05:07:36 +00:00
Bob Wilson ff43ab88ff BIT_CONVERT nodes are used for vector types, too.
llvm-svn: 91582
2009-12-17 05:05:36 +00:00
Sean Callanan 7e64550747 Test harness for the LLVM disassembler. When invoked
with -disassemble, llvm-mc now accepts lines of the
form
0x00 0x00
and passes the resulting bytes to the disassembler for
the chosen (or default) target, printing the result.

llvm-svn: 91579
2009-12-17 01:49:59 +00:00
Evan Cheng aadf060b92 Revert this dag combine change:
Fold (zext (and x, cst)) -> (and (zext x), cst)

DAG combiner likes to optimize expression in the other way so this would end up cause an infinite looping.

llvm-svn: 91574
2009-12-17 00:40:05 +00:00
Johnny Chen 7f30b64dce Renamed "tCMNZ" to "tCMNz" to be consistent with other similar namings.
llvm-svn: 91571
2009-12-16 23:36:52 +00:00
John McCall 30f2ac714b Silence a clang warning about the deprecated (but perfectly reasonable in
context) increment-of-bool idiom.

llvm-svn: 91564
2009-12-16 20:31:50 +00:00
Daniel Dunbar b827e52638 Reapply r91392, it was only unmasking the bug, and since TOT is still broken having it reverted does no good.
llvm-svn: 91560
2009-12-16 20:10:05 +00:00
Daniel Dunbar ab42d42390 Reapply r91459, it was only unmasking the bug, and since TOT is still broken having it reverted does no good.
llvm-svn: 91559
2009-12-16 20:09:53 +00:00
Jim Grosbach 69461f50c1 Mark STREX* as earlyclobber for the success result register.
llvm-svn: 91555
2009-12-16 19:44:06 +00:00
Jim Grosbach 2a282f2f86 Add @earlyclobber TableGen constraint
llvm-svn: 91554
2009-12-16 19:43:02 +00:00
Bill Wendling 8478ed5d18 Remove superfluous 'extern' variable that was causing a warning with clang.
llvm-svn: 91552
2009-12-16 19:36:42 +00:00
Jakob Stoklund Olesen ec20a88a57 Reuse lowered phi nodes.
Tail duplication produces lots of identical phi nodes in different basic
blocks. Teach PHIElimination to reuse the join registers when lowering a phi
node that is identical to an already lowered node. This saves virtual
registers, and more importantly it avoids creating copies the the coalescer
doesn't know how to eliminate.

Teach LiveIntervalAnalysis about the phi joins with multiple uses.

This patch significantly reduces code size produced by -pre-regalloc-taildup.

llvm-svn: 91549
2009-12-16 18:55:53 +00:00
Daniel Dunbar 1482b5aa16 Fix one more missing this-> to placate that picky clang++.
llvm-svn: 91536
2009-12-16 11:38:03 +00:00
Daniel Dunbar 133efc317e Revert "Reapply 91184 with fixes and an addition to the testcase to cover the
problem", this broke llvm-gcc bootstrap for release builds on
x86_64-apple-darwin10.

This reverts commit db22309800b224a9f5f51baf76071d7a93ce59c9.

llvm-svn: 91534
2009-12-16 10:56:17 +00:00
Daniel Dunbar df45b70c1e Revert "Initial work on disabling the scheduler. This is a work in progress, and
this", this broke llvm-gcc bootstrap for release builds on
x86_64-apple-darwin10.

llvm-svn: 91533
2009-12-16 10:56:02 +00:00
Chris Lattner f278addbdc reapply my strstr optimization. I have reproduced the x86-64 bootstrap
miscompile (i386.o miscompares) but it happens both with and without
this patch.

llvm-svn: 91532
2009-12-16 09:32:05 +00:00
Chris Lattner 9527af246e fix more missing this->'s to placate clang++
llvm-svn: 91531
2009-12-16 09:17:12 +00:00
Chris Lattner 5f5fffc5b2 Fix a missing this-> that clang++ notices.
llvm-svn: 91530
2009-12-16 09:09:54 +00:00
Chris Lattner 4ea86c460a now that libsystem no longer uses SmallVector, we can move
SmallVectorBase::grow_pod out of line, finally satisfying PR3758.

llvm-svn: 91529
2009-12-16 08:44:24 +00:00
Chris Lattner a6fc9de9fc remove use of SmallVector from Path::makeUnique. Path::makeUnique
is not used by anything performance sensitive, so just use std::string.

llvm-svn: 91528
2009-12-16 08:40:44 +00:00
Chris Lattner e6be85661d eliminate an extraneous use of SmallVector in a case where
a fixed size buffer is perfectly fine.

llvm-svn: 91527
2009-12-16 08:35:54 +00:00
Chris Lattner 5c0917c175 factor out the grow() method for all pod implementations into one
common function.  It is still an inline method, which will be fixed next.

llvm-svn: 91526
2009-12-16 08:34:40 +00:00
Victor Hernandez 2003b90807 Use different name for argument and field
llvm-svn: 91524
2009-12-16 08:10:57 +00:00
Chris Lattner f684b9039d pull destroy_range and uninitialized_copy up to the
SmallVectorTemplateBase class, which allows us to statically
dispatch on isPodLike instead of dynamically.

llvm-svn: 91523
2009-12-16 08:09:23 +00:00
Chris Lattner acc0e62625 sink most of the meat in smallvector back from SmallVectorTemplateCommon
down into SmallVectorImpl.  This requires sprinking a ton of this->'s in,
but gives us a place to factor.

llvm-svn: 91522
2009-12-16 08:05:48 +00:00
Nick Lewycky 23fbd54cfe Make this test pass on Linux.
llvm-svn: 91521
2009-12-16 07:35:25 +00:00
Chris Lattner 8b8d01829e substantial refactoring of SmallVector, now most code is in SmallVectorTemplateCommon,
and there is a new SmallVectorTemplateBase class in between it and SmallVectorImpl.
SmallVectorTemplateBase can be specialized based on isPodLike.

llvm-svn: 91518
2009-12-16 06:55:45 +00:00
Victor Hernandez dd7418ae3f MDNodes that refer to an instruction are local to a function; in that case, explicitly keep track of the function they are local to
llvm-svn: 91497
2009-12-16 02:52:09 +00:00
Johnny Chen 466231ab92 Add encoding bits for some Thumb instructions. Plus explicitly set the top two
bytes of Inst to 0x0000 for the benefit of the Thumb decoder.

llvm-svn: 91496
2009-12-16 02:32:54 +00:00
Devang Patel c69d9607f8 XFAIL on ppc-darwin.
llvm-svn: 91495
2009-12-16 02:11:38 +00:00
Evan Cheng 1be6286028 Re-enable 91381 with fixes.
llvm-svn: 91489
2009-12-16 00:53:11 +00:00
Chris Lattner 177be32334 revert my strstr optimization, I'm told it breaks x86-64 bootstrap.
Will reapply with a fix when I get a chance.

llvm-svn: 91486
2009-12-16 00:46:02 +00:00
Dale Johannesen 56f041406d Do better with physical reg operands (typically, from inline asm)
in local register allocator.  If a reg-reg copy has a phys reg
input and a virt reg output, and this is the last use of the phys
reg, assign the phys reg to the virt reg.  If a reg-reg copy has
a phys reg output and we need to reload its spilled input, reload
it directly into the phys reg than passing it through another reg.

Following 76208, there is sometimes no dependency between the def of
a phys reg and its use; this creates a window where that phys reg
can be used for spilling (this is true in linear scan also).  This
is bad and needs to be fixed a better way, although 76208 works too
well in practice to be reverted.  However, there should normally be
no spilling within inline asm blocks.  The patch here goes a long way
towards making this actually be true.

llvm-svn: 91485
2009-12-16 00:29:41 +00:00
John McCall 826ca5630e Every anonymous namespace is different. Caught by clang++.
llvm-svn: 91481
2009-12-16 00:15:28 +00:00
John McCall 323c30c5f4 Explicit template instantiations must happen in the template's immediately
enclosing namespace.  Caught by clang++.

llvm-svn: 91480
2009-12-16 00:13:24 +00:00
Bill Wendling 2d5967d005 Helpful comment added. Some code cleanup. No functional change.
llvm-svn: 91479
2009-12-16 00:08:36 +00:00
Bill Wendling 3766491eee Initialize uninitialized variables.
llvm-svn: 91477
2009-12-16 00:01:27 +00:00
Bill Wendling 776ef4dd32 Initialize uninitialized variables.
llvm-svn: 91475
2009-12-16 00:00:18 +00:00
Jeffrey Yasskin e0d8e14e11 Change indirect-globals to use a dedicated allocIndirectGV. This lets us
remove start/finishGVStub and the BufferState helper class from the
MachineCodeEmitter interface.  It has the side-effect of not setting the
indirect global writable and then executable on ARM, but that shouldn't be
necessary.

llvm-svn: 91464
2009-12-15 22:42:46 +00:00
Bill Wendling 098a38b5ce Some command lines don't like numbers with leading zeros. Remove them.
llvm-svn: 91463
2009-12-15 22:42:19 +00:00
Bob Wilson e44756d7c2 Reapply 91184 with fixes and an addition to the testcase to cover the problem
found last time.  Instead of trying to modify the IR while iterating over it,
I've change it to keep a list of WeakVH references to dead instructions, and
then delete those instructions later.  I also added some special case code to
detect and handle the situation when both operands of a memcpy intrinsic are
referencing the same alloca.

llvm-svn: 91459
2009-12-15 22:00:51 +00:00
Daniel Dunbar c6d3c5ef76 lit: Improve error when gtest discovery fails.
llvm-svn: 91458
2009-12-15 22:00:37 +00:00
Dan Gohman c87c16b030 Revert 90628, which was incorrect.
llvm-svn: 91448
2009-12-15 20:21:44 +00:00
Chris Lattner a3aef788ec Fix GetConstantStringInfo to not look into MDString (it works on
real data, not metadata) and fix DbgInfoPrinter to not abuse
GetConstantStringInfo.

llvm-svn: 91444
2009-12-15 19:34:20 +00:00
Jim Grosbach 38c4f4b5d1 whitespace
llvm-svn: 91442
2009-12-15 19:28:13 +00:00
Devang Patel 1f4690c624 Add support to emit debug info for C++ namespaces.
llvm-svn: 91440
2009-12-15 19:16:48 +00:00
Chris Lattner 26ab363361 optimize strstr, PR5783
llvm-svn: 91438
2009-12-15 19:14:40 +00:00
Johnny Chen c28e629c2d Added encoding bits for the Thumb ISA. Initial checkin.
llvm-svn: 91434
2009-12-15 17:24:14 +00:00
Dan Gohman 265ce318b8 Delete an unused function.
llvm-svn: 91432
2009-12-15 16:30:09 +00:00
Chris Lattner 24aba42d04 add some other xforms that should be done as part of PR5783
llvm-svn: 91428
2009-12-15 09:05:13 +00:00
Chris Lattner 4179fa0357 a few improvements:
1. Use std::equal instead of reinventing it.
2. don't run dtors in destroy_range if element is pod-like.
3. Use isPodLike to decide between memcpy/uninitialized_copy 
   instead of is_class.  isPodLike is more generous in some cases.

llvm-svn: 91427
2009-12-15 08:34:01 +00:00
Chris Lattner 6087a3e76b hoist the begin/end/capacity members and a few trivial methods
up into the non-templated SmallVectorBase class.

llvm-svn: 91426
2009-12-15 08:29:22 +00:00
Chris Lattner 62e04783c0 improve isPodLike to know that all non-class types are pod.
llvm-svn: 91425
2009-12-15 07:40:44 +00:00
Chris Lattner 9c45e03664 Lang verified that SlotIndex is "pod like" even though it isn't a pod.
llvm-svn: 91423
2009-12-15 07:27:58 +00:00
Chris Lattner 45d040bd85 Remove isPod() from DenseMapInfo, splitting it out to its own
isPodLike type trait.  This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.

llvm-svn: 91421
2009-12-15 07:26:43 +00:00
Mikhail Glushenkov 66a664870b Convert llvmc tests to FileCheck.
llvm-svn: 91420
2009-12-15 07:21:14 +00:00
Mikhail Glushenkov 62b65ecf18 Support hook invocation from 'append_cmd'.
llvm-svn: 91419
2009-12-15 07:20:50 +00:00
Evan Cheng b3032962ef Fix an encoding bug.
llvm-svn: 91417
2009-12-15 06:49:02 +00:00
Chris Lattner a867a58a26 add an ALWAYS_INLINE macro, which does the obvious thing.
llvm-svn: 91416
2009-12-15 06:14:33 +00:00
Kenneth Uildriks 792f0913ee For fastcc on x86, let ECX be used as a return register after EAX and EDX
llvm-svn: 91410
2009-12-15 03:27:52 +00:00
John McCall 106c10881e Names from dependent base classes are not found by unqualified lookup.
llvm-svn: 91407
2009-12-15 03:10:26 +00:00
Evan Cheng fcb5453dc7 Disable 91381 for now. It's miscompiling ARMISelDAG2DAG.cpp.
llvm-svn: 91405
2009-12-15 03:07:11 +00:00
Mikhail Glushenkov 096fc103fb Validate the generated C++ code in llvmc tests.
Checks that the code generated by 'tblgen --emit-llvmc' can be actually
compiled. Also fixes two bugs found in this way:

- forward_transformed_value didn't work with non-list arguments
- cl::ZeroOrOne is now called cl::Optional

llvm-svn: 91404
2009-12-15 03:04:52 +00:00
Mikhail Glushenkov cb0721e363 Pipe 'grep' output to 'count'.
llvm-svn: 91403
2009-12-15 03:04:14 +00:00
Mikhail Glushenkov 2cb65bd5ab Allow $CALL(Hook, '$INFILE') for non-join tools.
llvm-svn: 91402
2009-12-15 03:04:02 +00:00
Mikhail Glushenkov 53ec77972e Small documentation update.
llvm-svn: 91401
2009-12-15 03:03:37 +00:00
Evan Cheng 852c486946 Make 91378 more conservative.
1. Only perform (zext (shl (zext x), y)) -> (shl (zext x), y) when y is a constant. This makes sure it remove at least one zest.
2. If the shift is a left shift, make sure the original shift cannot shift out bits.

llvm-svn: 91399
2009-12-15 03:00:32 +00:00
John McCall 4ea24f19f5 You can't use typedefs to declare template member specializations, and
clang enforces it.

llvm-svn: 91397
2009-12-15 02:35:24 +00:00
Bill Wendling 07beddceb7 Initial work on disabling the scheduler. This is a work in progress, and this
stuff isn't used just yet.

We want to model the GCC `-fno-schedule-insns' and `-fno-schedule-insns2'
flags. The hypothesis is that the people who use these flags know what they are
doing, and have hand-optimized the C code to reduce latencies and other
conflicts.

The idea behind our scheme to turn off scheduling is to create a map "on the
side" during DAG generation. It will order the nodes by how they appeared in the
code. This map is then used during scheduling to get the ordering.

llvm-svn: 91392
2009-12-15 01:54:51 +00:00
Evan Cheng 45430bbfaa Tail duplication should zap a copy it inserted for SSA update if the copy is the only use of its source.
llvm-svn: 91390
2009-12-15 01:44:10 +00:00
Evan Cheng 0e8b9e32d1 Use sbb x, x to materialize carry bit in a GPR. The result is all one's or all zero's.
llvm-svn: 91381
2009-12-15 00:53:42 +00:00
Evan Cheng d1521ef40c Fold (zext (and x, cst)) -> (and (zext x), cst).
llvm-svn: 91380
2009-12-15 00:52:11 +00:00
Daniel Dunbar 1542d735d9 NNT: Make sure stderr for build commands goes to log file, as intended but misdirected.
llvm-svn: 91379
2009-12-15 00:41:47 +00:00
Evan Cheng ca7c690d3b Propagate zest through logical shift.
llvm-svn: 91378
2009-12-15 00:41:36 +00:00
Eric Christopher d5218331f7 Formatting.
llvm-svn: 91377
2009-12-15 00:40:55 +00:00
Bill Wendling e8a525a196 Revert these. They may have been causing 483_xalancbmk to fail:
$ svn merge -c -91161 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91161 into '.':
U    lib/CodeGen/BranchFolding.cpp
U    lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91113 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91113 into '.':
G    lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91101 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91101 into '.':
U    include/llvm/CodeGen/MachineBasicBlock.h
G    lib/CodeGen/MachineBasicBlock.cpp
$ svn merge -c -91092 https://llvm.org/svn/llvm-project/llvm/trunk
--- Reverse-merging r91092 into '.':
G    include/llvm/CodeGen/MachineBasicBlock.h
G    lib/CodeGen/MachineBasicBlock.cpp

llvm-svn: 91376
2009-12-15 00:39:24 +00:00
Jim Grosbach ea8f6e31a0 nand atomic requires opposite operand ordering
llvm-svn: 91371
2009-12-15 00:12:35 +00:00
Dan Gohman cecad35728 Fix integer cast code to handle vector types.
llvm-svn: 91362
2009-12-14 23:40:38 +00:00
Dan Gohman 28dea2a58b Move Flag and isVoid after the vector types, since bit arithmetic with
those enum values is less common.

llvm-svn: 91361
2009-12-14 23:36:03 +00:00
Dan Gohman 897a5ac615 Fix these asserts to check the invariant that the code actually
depends on.

llvm-svn: 91360
2009-12-14 23:34:36 +00:00
Dan Gohman 2e1cf19924 Update this comment.
llvm-svn: 91356
2009-12-14 23:13:31 +00:00
Dan Gohman 6453a4e2ab Fix this to properly clear the FastISel debug location. Thanks to
Bill for spotting this!

llvm-svn: 91355
2009-12-14 23:08:09 +00:00
Bob Wilson cc70e3b60d Rearrange rules to add missing dependency and allow parallel makes.
llvm-svn: 91352
2009-12-14 22:44:22 +00:00
Johnny Chen bee6f16fed Add encoding bits "let Inst{11-4} = 0b00000000;" to BR_JTr to disambiguate
between BR_JTr and STREXD.

llvm-svn: 91339
2009-12-14 21:51:34 +00:00
Bill Wendling 1bdf5d6f75 The CIE says that the LSDA point in the FDE section is an "sdata4". That's fine,
but we need it to actually be 4-bytes in the FDE.

llvm-svn: 91337
2009-12-14 21:49:44 +00:00
Jim Grosbach 3974a80307 v6 sync insn copy/paste error
llvm-svn: 91333
2009-12-14 21:33:32 +00:00
Jim Grosbach 3c4f04112a Add ARMv6 memory and sync barrier instructions
llvm-svn: 91329
2009-12-14 21:24:16 +00:00
Johnny Chen acba3b0ae2 Fixed encoding bits typo of ldrexd/strexd.
llvm-svn: 91327
2009-12-14 21:01:46 +00:00
Jim Grosbach 57ccc19617 Thumb2 atomic operations
llvm-svn: 91321
2009-12-14 20:14:59 +00:00
Dan Gohman 1cfbfc86cf Move several function bodies which are rarely inlined out of line.
llvm-svn: 91319
2009-12-14 19:43:09 +00:00
Chris Lattner 726e452ccb fix an obvious bug found by clang++ and collapse a redundant if.
Here's the diagnostic from clang:

/Volumes/Data/dgregor/Projects/llvm/lib/Target/CppBackend/CPPBackend.cpp:989:23: warning: 'gv' is always NULL in this context
        printConstant(gv);
                      ^
1 diagnostic generated.

llvm-svn: 91318
2009-12-14 19:34:32 +00:00
Dan Gohman fd5de58ec1 Micro-optimize these functions in the case where they are not inlined.
llvm-svn: 91316
2009-12-14 19:32:31 +00:00
Jim Grosbach fed3d088ce correct selection requirements for thumb2 vs. arm versions of the barrier intrinsics
llvm-svn: 91313
2009-12-14 19:24:11 +00:00
Eric Christopher 1dba6ea72f Add radar fixed in comment.
llvm-svn: 91312
2009-12-14 19:07:25 +00:00
Jim Grosbach 20ac87de13 add Thumb2 atomic and memory barrier instruction definitions
llvm-svn: 91310
2009-12-14 18:56:47 +00:00
Jim Grosbach 3cdb555e0f whitespace
llvm-svn: 91307
2009-12-14 18:36:32 +00:00
Jim Grosbach 5e0d2a2df6 ARM memory barrier instructions are not predicable
llvm-svn: 91305
2009-12-14 18:31:20 +00:00
Daniel Dunbar 8165f02e8c NNT: Use [e]grep -a when scanning logs, its possibly they will have non-text
characters in them, in which case the grep will just return 'Binary file
matches' and the whole thing falls over.

llvm-svn: 91302
2009-12-14 17:58:33 +00:00
Daniel Dunbar 37e0439b17 NNT: Always create the -sentdata.txt file.
llvm-svn: 91301
2009-12-14 17:58:27 +00:00
Dan Gohman 2a07fd94f1 Clear the Processed set when it is no longer used, and clear the
IVUses list in releaseMemory().

llvm-svn: 91296
2009-12-14 17:35:17 +00:00
Dan Gohman fbeec7270c Fix a thinko; isNotAlreadyContainedIn had a built-in negative, so the
condition was inverted when the code was converted to contains().

llvm-svn: 91295
2009-12-14 17:31:01 +00:00
Dan Gohman 416d5b7361 Remove unnecessary #includes.
llvm-svn: 91293
2009-12-14 17:19:06 +00:00
Dan Gohman 66e7d522fe Make the IVUses member private.
llvm-svn: 91291
2009-12-14 17:14:32 +00:00
Dan Gohman 163fb26927 Instead of having a ScalarEvolution pointer member in BasedUser, just pass
the ScalarEvolution pointer into the functions which need it.

llvm-svn: 91289
2009-12-14 17:12:51 +00:00
Dan Gohman 8dbd4e3d16 Don't bother cleaning up if there's nothing to clean up.
llvm-svn: 91288
2009-12-14 17:10:44 +00:00
Dan Gohman 88c7e61c5b Delete an unused variable.
llvm-svn: 91287
2009-12-14 17:08:09 +00:00
Dan Gohman 57eb6cda7a Drop Loop::isNotAlreadyContainedIn in favor of Loop::contains. The
former was just exposing a LoopInfoBase implementation detail.

llvm-svn: 91286
2009-12-14 17:06:50 +00:00
Jim Grosbach 9d6410d040 add ldrexd/strexd instructions
llvm-svn: 91284
2009-12-14 17:02:55 +00:00
Dan Gohman 838f604543 LSR itself doesn't need LoopInfo.
llvm-svn: 91283
2009-12-14 17:02:34 +00:00
Dan Gohman 273e692952 LSR itself doesn't need DominatorTree.
llvm-svn: 91282
2009-12-14 16:57:08 +00:00
Dan Gohman c3513095cf Remove the code in LSR that manually hoists expansions out of loops;
SCEVExpander does this automatically.

llvm-svn: 91281
2009-12-14 16:52:55 +00:00
Dan Gohman ec2a7c58e8 Minor code cleanups.
llvm-svn: 91280
2009-12-14 16:37:29 +00:00
Devang Patel 525dda05a0 Use DW_AT_specification to point to DIE describing function declaration.
llvm-svn: 91278
2009-12-14 16:18:45 +00:00
Shantonu Sen 0c20054cc4 Remove empty file completely
llvm-svn: 91277
2009-12-14 14:15:15 +00:00
Torok Edwin 022336adf7 Add "generic" fallback.
gcc warned that the function may not have a return value, indeed
for non-intel and non-amd X86 CPUs it is right (VIA, etc.).

llvm-svn: 91276
2009-12-14 12:38:18 +00:00
Lang Hames c73ca2baca Added CalcSpillWeights to CMakeLists.
llvm-svn: 91275
2009-12-14 07:43:25 +00:00
Bill Wendling 277381f69a Whitespace changes, comment clarification. No functional changes.
llvm-svn: 91274
2009-12-14 06:51:19 +00:00
Lang Hames d17e296301 Moved spill weight calculation out of SimpleRegisterCoalescing and into its own pass: CalculateSpillWeights.
llvm-svn: 91273
2009-12-14 06:49:42 +00:00
Chris Lattner aaa6ac10a6 revert r91184, because it causes a crash on a .bc file I just
sent to Bob.

llvm-svn: 91268
2009-12-14 05:11:02 +00:00
Jim Grosbach 8f3c70e909 atomic binary operations up to 32-bits wide.
llvm-svn: 91260
2009-12-14 04:22:04 +00:00
Mikhail Glushenkov 897889ef6b Add a test for the 'init' option property.
llvm-svn: 91259
2009-12-14 04:06:38 +00:00
Jeffrey Yasskin 8c17e6de2b Reinstate r91208 to fix available_externally linkage for globals, with
nlewycky's fix to add -rdynamic so the JIT can look symbols up in Linux builds
of the JITTests binary.

llvm-svn: 91250
2009-12-13 20:30:32 +00:00
Torok Edwin abdc1c274b Using _MSC_VER there was wrong, better just use the already existing ifdefs for
x86 CPU detection for the X86 getHostCPUName too, and create a simple
getHostCPUName that returns "generic" for all else.

llvm-svn: 91240
2009-12-13 08:59:40 +00:00
Chandler Carruth dcf5dacb2c Don't leave pointers uninitialized in the default constructor. GCC complains
about the potential use of these uninitialized members under certain conditions.

llvm-svn: 91239
2009-12-13 07:04:45 +00:00
Anton Korobeynikov 94b6310136 Fix weird typo which leads to unallocated memory access for nodes with 4 results.
llvm-svn: 91233
2009-12-13 01:00:59 +00:00
Anton Korobeynikov 45800ce646 Do not allow uninitialize access during debug printing
llvm-svn: 91232
2009-12-13 01:00:32 +00:00
Eli Friedman 96cf7f42b0 More info on this transformation.
llvm-svn: 91230
2009-12-12 23:23:43 +00:00
Eli Friedman 8eada9f580 Remove some stuff that's already implemented. Also, remove the note about
merging x >u 5 and x <s 20 because it's impossible to implement.

llvm-svn: 91228
2009-12-12 21:41:48 +00:00
Daniel Dunbar e4b5f9f54c Update install-clang target for clang-cc removal.
llvm-svn: 91226
2009-12-12 21:17:54 +00:00
Evan Cheng 26fdd7265b Disable r91104 for x86. It causes partial register stall which pessimize code in 32-bit.
llvm-svn: 91223
2009-12-12 20:03:14 +00:00
Anton Korobeynikov d8f320947f Implement variable-width shifts.
No testcase yet - it seems we're exposing generic codegen bugs.

llvm-svn: 91221
2009-12-12 18:55:37 +00:00
Evan Cheng 3974c8de51 Add comment about potential partial register stall.
llvm-svn: 91220
2009-12-12 18:55:26 +00:00
Evan Cheng 6d6eaafa8c Fix an obvious bug. No test case since LEA16r is not being used.
llvm-svn: 91219
2009-12-12 18:51:56 +00:00
Torok Edwin 5c9429fa47 Enable CPU detection when using MS VS 2k8 too.
MSVS2k8 doesn't define __i386__, hence all the CPU detection code was disabled.
Enable it by looking for _MSC_VER.

llvm-svn: 91217
2009-12-12 12:42:31 +00:00
Benjamin Kramer 401e6093c9 Fix some CHECK lines which were ignored by accident.
llvm-svn: 91214
2009-12-12 09:25:50 +00:00
Jeffrey Yasskin 9ad6ba3766 Revert r91208. Something on Linux prevents the JIT from looking up a symbol
defined in the test, and I don't have time tonight to figure it out.

llvm-svn: 91209
2009-12-12 06:18:46 +00:00
Jeffrey Yasskin 2d2dcdcbf7 Fix available_externally linkage for globals. It's probably still not
supported by emitGlobals, but I don't have a test case for that.

llvm-svn: 91208
2009-12-12 05:58:14 +00:00
Jeffrey Yasskin 7f1c9c2ff6 Make it easier to use the llvm_unreachable and DEBUG macros without "using
namespace llvm" by qualifying their implementations with ::llvm::.

llvm-svn: 91206
2009-12-12 04:08:32 +00:00
Jim Grosbach 8f9a3ac12c Framework for atomic binary operations. The emitter for the pseudo instructions
just issues an error for the moment. The front end won't yet generate these
intrinsics for ARM, so this is behind the scenes until complete.

llvm-svn: 91200
2009-12-12 01:40:06 +00:00
Bob Wilson 895f364ae6 Revise scalar replacement to be more flexible about handle bitcasts and GEPs.
While scanning through the uses of an alloca, keep track of the current offset
relative to the start of the alloca, and check memory references to see if
the offset & size correspond to a component within the alloca.  This has the
nice benefit of unifying much of the code from isSafeUseOfAllocation,
isSafeElementUse, and isSafeUseOfBitCastedAllocation.  The code to rewrite
the uses of a promoted alloca, after it is determined to be safe, is
reorganized in the same way.

Also, when rewriting GEP instructions, mark them as "in-bounds" since all the
indices are known to be safe.

llvm-svn: 91184
2009-12-11 23:47:40 +00:00
Dan Gohman 619a78bd59 Delete an unnecessary line. The VTSDNode on a SIGN_EXTEND_REG is never
a vector type.

llvm-svn: 91181
2009-12-11 23:26:08 +00:00
Anton Korobeynikov e27e028cdd Lower setcc branchless, if this is profitable.
Based on the patch by Brian Lucas!

llvm-svn: 91175
2009-12-11 23:01:29 +00:00
Bill Wendling b87b9925be Don't try to move a MBB into the fall-through position if it's a landing pad or
branches only to a landing pad. Without this check, the compiler would go into
an infinite loop because the branch to a landing pad is an "abnormal" edge which
wasn't being taken into account.

This is the meat of that fix:

  if (!PrevBB.canFallThrough() && !MBB->BranchesToLandingPad(MBB)) {

The other stuff is simplification of the "branches to a landing pad" code.

llvm-svn: 91161
2009-12-11 21:47:36 +00:00
Devang Patel b314bd688a Construct CompileUnits lazily.
llvm-svn: 91159
2009-12-11 21:37:07 +00:00
Dan Gohman 1d459e4937 Implement vector widening, splitting, and scalarizing for SIGN_EXTEND_INREG.
llvm-svn: 91158
2009-12-11 21:31:27 +00:00
Jim Grosbach 22a4ea8690 memory barrier instructions by definition have side effects. This prevents the post-RA scheduler from moving them around.
llvm-svn: 91150
2009-12-11 20:29:53 +00:00
Dan Gohman bffa061e02 Change this to the correct PR number.
llvm-svn: 91148
2009-12-11 20:09:21 +00:00
Dan Gohman 84ba039cf2 Make getUniqueExitBlocks's precondition assert more precise, to
avoid spurious failures. This fixes PR5758.

llvm-svn: 91147
2009-12-11 20:05:23 +00:00
Dan Gohman 6d306bb32b Fix the result type of SELECT nodes lowered from Select instructions with
aggregate return values. This fixes PR5754.

llvm-svn: 91145
2009-12-11 19:50:50 +00:00
Anton Korobeynikov fc51282cbe Honour setHasCalls() set from isel.
This is used in some weird cases like general dynamic TLS model.
This fixes PR5723

llvm-svn: 91144
2009-12-11 19:39:55 +00:00
Johnny Chen 098bd1bbea Store Register Exclusive should leave the source register Inst{3-0} unspecified.
llvm-svn: 91143
2009-12-11 19:37:26 +00:00
Jim Grosbach afdddaed55 Update properties.
llvm-svn: 91140
2009-12-11 18:52:41 +00:00
Gabor Greif cb4685c012 Simplify this class by removing the result cache.
This change removes the DefaultConstructible
and CopyAssignable constraints on the template
parameter T (the first one).

The second template parameter (R) is defaulted to be
identical to the first and controls the result type.
By specifying it to be (const T&) additionally the
CopyConstructible constraint on T can be removed.

This allows to use StringSwitch e.g. for llvm::Constant
instances.

Regarding the other review feedback regarding performance
because of taking pointers, this class should be completely
optimizable like before, since all methods are inline and
the pointer dereferencing and result value caching should be
possible behind the scenes by the "as-if" rule.

llvm-svn: 91123
2009-12-11 15:30:07 +00:00
Bill Wendling 9f13fc7d63 Revert part of r91101 which was causing an infinite loop in the self-hosting
build bots.

llvm-svn: 91113
2009-12-11 10:43:41 +00:00
Duncan Sands 5d96f3fcb6 Add utility method for determining whether a function argument
has the 'nest' attribute.

llvm-svn: 91109
2009-12-11 08:36:17 +00:00
Evan Cheng ff2ac71b25 Tests for 91103 and 91104.
llvm-svn: 91105
2009-12-11 06:02:21 +00:00
Evan Cheng 766a73fb04 Add support to 3-addressify 16-bit instructions.
llvm-svn: 91104
2009-12-11 06:01:48 +00:00
Evan Cheng c9a41c8b03 Coalesce insert_subreg undef, x first to avoid phase ordering issue.
llvm-svn: 91103
2009-12-11 06:01:00 +00:00
Bill Wendling a1bce0c42e Address comments on last patch:
- Loosen the restrictions when checking of it branches to a landing pad.
- Make the loop more efficient by checking the '.insert' return value.
- Do cheaper checks first.

llvm-svn: 91101
2009-12-11 03:14:18 +00:00
Bill Wendling a581aacdce A machine basic block may end in an unconditional branch, however it may have
more than one successor. Normally, these extra successors are dead. However,
some of them may branch to exception handling landing pads. If we remove those
successors, then the landing pads could go away if all predecessors to it are
removed. Before, it was checking if the direct successor was the landing
pad. But it could be the result of jumping through multiple basic blocks to get
to it. If we were to only check for the existence of an EH_LABEL in the basic
block and not remove successors if it's in there, then it could stop actually
dead basic blocks from being removed.

llvm-svn: 91092
2009-12-11 01:49:14 +00:00
Jim Grosbach 5c4e99fca6 Rough first pass at compare_and_swap atomic builtins for ARM mode. Work in progress.
llvm-svn: 91090
2009-12-11 01:42:04 +00:00
Anders Carlsson fb8d445090 Add qualifiers for calls to member functions in dependent bases.
llvm-svn: 91087
2009-12-11 01:04:42 +00:00
Devang Patel 2eec32d944 If VariableDIe is not created (may be because global was optimzed away) then do not try to use the variable die.
llvm-svn: 91077
2009-12-10 23:25:41 +00:00
Eric Christopher 4b91e0194b Add a test for the fix in revision 91009.
llvm-svn: 91062
2009-12-10 21:11:40 +00:00
Evan Cheng 4986588ddb It's not safe to coalesce a move where src and dst registers have different subregister indices. e.g.:
%reg16404:1<def> = MOV8rr %reg16412:2<kill>

llvm-svn: 91061
2009-12-10 20:59:45 +00:00
Douglas Gregor 9f8ca58e30 Remove a broken, unused header
llvm-svn: 91058
2009-12-10 19:52:22 +00:00
Devang Patel 2b75ed2c3d Refactor code that finds context for a given die.
Create global variable DIEs after creating subprogram DIEs. This allows function level static variable's to find their context at the time of DIE creation.

llvm-svn: 91055
2009-12-10 19:14:49 +00:00
Jim Grosbach fed78ccfb5 Add instruction encoding for DMB/DSB
llvm-svn: 91053
2009-12-10 18:35:32 +00:00
Devang Patel b5b60ea4f9 Refactor.
llvm-svn: 91051
2009-12-10 18:05:33 +00:00
Jakob Stoklund Olesen 497161c40b Also attempt trivial coalescing for live intervals that end in a copy.
The coalescer is supposed to clean these up, but when setting up parameters
for a function call, there may be copies to physregs. If the defining
instruction has been LICM'ed far away, the coalescer won't touch it.

The register allocation hint does not always work - when the register
allocator is backtracking, it clears the hints.

This patch is more conservative than r90502, and does not break
483.xalancbmk/i686. It still breaks the PowerPC bootstrap, so it is disabled
by default, and can be enabled with the -trivial-coalesce-ends option.

llvm-svn: 91049
2009-12-10 17:48:32 +00:00
Torok Edwin 12b8a63e13 Comparing std::string with NULL is a bad idea, so just check whether its empty.
This code was crashing always with oprofile enabled, since it tried to create a StringRef
out of NULL, which run strlen on NULL.

llvm-svn: 91046
2009-12-10 10:01:47 +00:00
Eric Christopher 22889c049d Make sure the immediate dominator isn't NULL through iterations
of the loop. We could get to this condition via indirect
branches.

llvm-svn: 91009
2009-12-10 00:25:41 +00:00
Chris Lattner 9ccc879006 Fix PR5744, a case where we were getting the pointer size instead of the
value size.  This only manifested when memdep inprecisely returns clobber,
which is do to a caching issue in the PR5744 testcase.  We can 'efficiently
emulate' this by using '-no-aa'

llvm-svn: 91004
2009-12-10 00:11:45 +00:00
Jim Grosbach 53e8854443 Add memory barrier intrinsic support for ARM. Moving towards adding the atomic operations intrinsics.
llvm-svn: 91003
2009-12-10 00:11:09 +00:00
Chris Lattner 3ddf804f78 allow this to build when the #if 0's are enabled. No functionality change.
llvm-svn: 90999
2009-12-10 00:04:46 +00:00
Dan Gohman 72c367fb52 Dereference loopHeader after checking for null rather than before.
llvm-svn: 90990
2009-12-09 22:55:01 +00:00
Evan Cheng 2262909b20 Fix test.
llvm-svn: 90988
2009-12-09 22:24:42 +00:00
Evan Cheng 493b882f80 Optimize splat of a scalar load into a shuffle of a vector load when it's legal. e.g.
vector_shuffle (scalar_to_vector (i32 load (ptr + 4))), undef, <0, 0, 0, 0>
=>
vector_shuffle (v4i32 load ptr), undef, <1, 1, 1, 1>

iff ptr is 16-byte aligned (or can be made into 16-byte aligned).

llvm-svn: 90984
2009-12-09 21:00:30 +00:00
Dan Gohman 220b196c94 Reuse the Threshold value to size these containers because it's
currently somewhat convenient for them to have the same value.

llvm-svn: 90980
2009-12-09 18:48:53 +00:00
Devang Patel 9ccfb641d1 Reapply r90858, a cleanup patch.
llvm-svn: 90979
2009-12-09 18:24:21 +00:00
Chris Lattner ca5f9cb18b fix hte last remaining known (by me) phi translation bug. When we reanalyze
clobbers to forward pieces of large stores to small loads, we need to consider
the properly phi translated pointer in the store block.

llvm-svn: 90978
2009-12-09 18:21:46 +00:00
Chris Lattner f8ba1253f1 change GetStoreValueForLoad to use IRBuilder, which is cleaner and
implicitly constant folds.

llvm-svn: 90977
2009-12-09 18:13:28 +00:00
Bob Wilson 1c5a6fb299 Fix a comment.
llvm-svn: 90975
2009-12-09 18:05:27 +00:00
Chris Lattner 9f9010ef47 Add a minor optimization: if we haven't changed the operands of an
add, there is no need to scan the world to find the same add again.
This invalidates the previous testcase, which wasn't wonderful anyway,
because it needed a run of instcombine to permute the use-lists in 
just the right way to before GVN was run (so it was really fragile).
Not a big loss.

llvm-svn: 90973
2009-12-09 17:27:45 +00:00
Anton Korobeynikov d0a0bc34e3 Add note about loadable modules on windows.
Patch by Gregory Petrosyan!

llvm-svn: 90972
2009-12-09 17:26:02 +00:00
Chris Lattner fa2e536831 fix PR5733, a case where we'd replace an add with a lexically identical
binary operator that wasn't an add.  In this case, a xor.  Whoops.

llvm-svn: 90971
2009-12-09 17:18:49 +00:00
David Goodwin a45fe67667 <rdar://problem/7453528>. Track only physical registers that are valid for the target.
llvm-svn: 90970
2009-12-09 17:18:22 +00:00
Chris Lattner 8f77035568 merge crash-2.ll into crash.ll
llvm-svn: 90969
2009-12-09 17:17:26 +00:00
Eric Christopher f92d732c99 Silence conversion warning from 64 to 32-bit.
llvm-svn: 90962
2009-12-09 08:29:32 +00:00
Chris Lattner 07df9efb35 change AnalyzeLoadFromClobberingMemInst/AnalyzeLoadFromClobberingStore
to require the load ty/ptr to be passed in, no functionality change.

llvm-svn: 90960
2009-12-09 07:37:07 +00:00
Chris Lattner 0def861ee9 change AnalyzeLoadFromClobberingWrite and clients to pass in type
and pointer instead of the load.  No functionality change.

llvm-svn: 90959
2009-12-09 07:34:10 +00:00
Chris Lattner eea0f58393 enhance NonLocalDepEntry to keep the per-block phi translated address
of the query.

llvm-svn: 90958
2009-12-09 07:31:04 +00:00
Daniel Dunbar d333139411 DeltaAlgorithm: Add a virtual destructor and home.
llvm-svn: 90957
2009-12-09 07:19:48 +00:00
Chris Lattner 0c31547168 change NonLocalDepEntry from being a typedef for an std::pair to be its
own small class.  No functionality change.

llvm-svn: 90956
2009-12-09 07:08:01 +00:00
Lang Hames 1ab2b49e6d Added a new "splitting" spiller.
When a call is placed to spill an interval this spiller will first try to
break the interval up into its component values. Single value intervals and
intervals which have already been split (or are the result of previous splits)
are spilled by the default spiller.

Splitting intervals as described above may improve the performance of generated
code in some circumstances. This work is experimental however, and it still
miscompiles many benchmarks. It's not recommended for general use yet.

llvm-svn: 90951
2009-12-09 05:39:12 +00:00
Daniel Dunbar 5ea6200d06 Remove spurious extern.
llvm-svn: 90937
2009-12-09 03:26:33 +00:00
Daniel Dunbar 0d886ca091 Remove unneeded ';' and a class/struct mismatch (noticed by clang).
llvm-svn: 90934
2009-12-09 02:58:09 +00:00
Chris Lattner 10398e74ae the code in GVN that tries to forward large loads to small
stores is not phi translating, thus it miscompiles really
crazy testcases.  This is from inspection, I haven't seen
this in the wild.

llvm-svn: 90930
2009-12-09 02:43:05 +00:00
Chris Lattner 946b58dd90 add some aborts to #if 0's.
llvm-svn: 90929
2009-12-09 02:41:54 +00:00
Chris Lattner 972e6d8d00 Switch GVN and memdep to use PHITransAddr, which correctly handles
phi translation of complex expressions like &A[i+1].  This has the
following benefits:

1. The phi translation logic is all contained in its own class with
   a strong interface and verification that it is self consistent.

2. The logic is more correct than before.  Previously, if intermediate
   expressions got PHI translated, we'd miss the update and scan for
   the wrong pointers in predecessor blocks.  @phi_trans2 is a testcase
   for this.

3. We have a lot less code in memdep.

We can handle phi translation across blocks of things like @phi_trans3,
which is pretty insane :).

This patch should fix the miscompiles of 255.vortex, and I tested it 
with a bootstrap of llvm-gcc, llvm-test and dejagnu of course.

llvm-svn: 90926
2009-12-09 01:59:31 +00:00
Evan Cheng d938faff4b Teach InferPtrAlignment to infer GV+cst alignment and use it to simplify x86 isl lowering code.
llvm-svn: 90925
2009-12-09 01:53:58 +00:00
Devang Patel e52b1fa128 Remove tests that are not suitable anymore. Plus they are not testing the original bugfixes anymore. These tests were inserted to check bug fixes in code that handled debug info intrinsics. These intrinsics are no longer used and now llvm parser simply ignores old .dbg intrinsics from these dead tests.
llvm-svn: 90923
2009-12-09 01:46:00 +00:00
Evan Cheng f5938d5d27 Move isConsecutiveLoad to SelectionDAG. It's not target dependent and it's primary used by selectdag passes.
llvm-svn: 90922
2009-12-09 01:36:00 +00:00
Chris Lattner 9af9d0f74e fix a nasty variable that was shadowing the real CurBB but with the wrong value.
llvm-svn: 90920
2009-12-09 01:19:16 +00:00
Evan Cheng 2d412f0cb8 Infer alignment for non-fixed stack object.
llvm-svn: 90919
2009-12-09 01:17:24 +00:00
Evan Cheng 1750009f38 Add const qualifier.
llvm-svn: 90918
2009-12-09 01:10:37 +00:00
Evan Cheng 34a23ea371 Refactor InferAlignment out of DAGCombine.
llvm-svn: 90917
2009-12-09 01:04:59 +00:00
Chris Lattner 11da6b0050 fix many input tracking bugs.
llvm-svn: 90915
2009-12-09 00:56:14 +00:00
Chris Lattner 4b2a6e200f when opt crashes, print its command line arguments as a pretty stack trace.
Somehow opt was missed when this was added.

llvm-svn: 90912
2009-12-09 00:41:28 +00:00
Dan Gohman 56a5f19c70 Fix a typo in a comment, and adjust SmallSet and SmallVector sizes,
that Chris noticed.

llvm-svn: 90910
2009-12-09 00:28:42 +00:00
Chris Lattner 37251f8375 fix PHI translation to take the PHI out of the instinputs set and add
the translated value back to it if an instruction.

llvm-svn: 90909
2009-12-09 00:18:13 +00:00
Chris Lattner cfd76375e3 instructions defined in CurBB may be intermediate nodes of the computation.
llvm-svn: 90908
2009-12-09 00:10:55 +00:00
Chris Lattner 0aa75680d6 add dumping and sanity checking support.
llvm-svn: 90906
2009-12-09 00:01:00 +00:00
Dan Gohman 2d27b191d9 Put a threshold on the number of users PointerMayBeCaptured
examines; fall back to a conservative answer if there are
more. This works around some several compile time problems
resulting from BasicAliasAnalysis calling PointerMayBeCaptured.

The value has been chosen arbitrarily.

This fixes rdar://7438917 and may partially address PR5708.

llvm-svn: 90905
2009-12-08 23:59:12 +00:00
Chris Lattner 5cf4b74b45 make sure that PHITransAddr keeps its 'InstInputs' list up to
date when instsimplify kicks in.

llvm-svn: 90901
2009-12-08 23:42:51 +00:00
Devang Patel 512001ac7d Revert 90858 90875 and 90805 for now.
llvm-svn: 90898
2009-12-08 23:21:45 +00:00
Evan Cheng 0c2544fd6b - Support inline asm 'w' constraint for 128-bit vector types.
- Also support the 'q' NEON registers asm code.

llvm-svn: 90894
2009-12-08 23:06:22 +00:00
Daniel Dunbar 564c96bd5e lit: Prevent crash-on-invalid (when run on directory which has no test suite).
llvm-svn: 90871
2009-12-08 19:49:30 +00:00
Daniel Dunbar 0f620b81c1 CMake/lit: Add llvm_{unit_,}site_config parameters, and always pass them when running tests from the project files.
llvm-svn: 90869
2009-12-08 19:47:36 +00:00
Evan Cheng dc3e58eb89 Revert 90789 for now. It caused massive compile time regression. Post-ra scheduler slowed down dramatically with this.
llvm-svn: 90868
2009-12-08 19:34:53 +00:00
Bob Wilson c5d082fd5d Some superficial cleanups.
llvm-svn: 90866
2009-12-08 18:27:03 +00:00
Bob Wilson 2029ea04f9 Clean up dead operands left around after SROA replaces a mem intrinsic.
I'm not aware that this does anything significant on its own, but it's
needed for another patch that I'm working on.

llvm-svn: 90864
2009-12-08 18:22:03 +00:00
Devang Patel 24c0bb1ca1 Cleanup.
There is no need to supply ModuleCU to addType() as a parameter.

llvm-svn: 90858
2009-12-08 15:31:31 +00:00
Devang Patel 7d723ec70d Do not try to push dead variable's debug info into namespace info.
llvm-svn: 90857
2009-12-08 15:01:35 +00:00
Benjamin Kramer dfcc285902 Remove useless calls to c_str().
llvm-svn: 90855
2009-12-08 13:07:38 +00:00
Duncan Sands 6a3df7b0c7 Teach GlobalOpt to delete aliases with internal linkage (after
forwarding any uses).  GlobalDCE can also do this, but is only
run at -O3.

llvm-svn: 90850
2009-12-08 10:10:20 +00:00
Chris Lattner 6425a23c8c fix a typo (and -> add) and fix GetAvailablePHITranslatedSubExpr to not
side-effect the current object.

llvm-svn: 90837
2009-12-08 06:06:26 +00:00
Nick Lewycky 8bca014d7f Remove unnecessary #include "llvm/LLVMContext.h".
llvm-svn: 90836
2009-12-08 05:45:41 +00:00
Chris Lattner ff09559a8f whitespace cleanup
llvm-svn: 90834
2009-12-08 05:31:46 +00:00
Oscar Fuentes a929407244 Removed VC++ compatibility code from DataTypes.h.in.
This header file is not used on VC++ builds.

llvm-svn: 90829
2009-12-08 02:49:54 +00:00
Oscar Fuentes 15c4bc673a For VC++, define the ?INT*_C macros only it they are not yet defined.
Some compatibility updates like the Boost TR1 compatibility headers
define them.

Patch contributed by OvermindDL1!

llvm-svn: 90828
2009-12-08 02:40:09 +00:00
Anton Korobeynikov dd2b2f8cba Reduce (cmp 0, and_su (foo, bar)) into (bit foo, bar). This saves extra instruction. Patch inspired by Brian Lucas!
llvm-svn: 90819
2009-12-08 01:03:04 +00:00
Evan Cheng fb1654d467 Watch out for duplicated PHI instructions.
llvm-svn: 90816
2009-12-07 23:11:03 +00:00
Evan Cheng 5c668a2259 Follow up to 90488. Turn a check into an assertion.
llvm-svn: 90815
2009-12-07 23:10:34 +00:00
Jeffrey Yasskin fc7384d366 Fix the OProfileJITEventListener for StringRef being returned from debug info.
llvm-svn: 90813
2009-12-07 22:32:38 +00:00
Victor Hernandez 58fd941eab Rename DIFactory::InsertValue() as DIFactory::InsertDbgValueIntrinsic()
llvm-svn: 90807
2009-12-07 21:54:43 +00:00
Devang Patel b074d1783b Add support to emit debug info for c++ style namespaces.
llvm-svn: 90805
2009-12-07 21:41:32 +00:00
Evan Cheng d9cb324d7c Delete code accidentally left behind.
llvm-svn: 90804
2009-12-07 21:19:33 +00:00
Chris Lattner 9e34d156d3 fix typo
llvm-svn: 90793
2009-12-07 19:52:57 +00:00
Chris Lattner dccf7ad8b9 add accessor, improve comment.
llvm-svn: 90792
2009-12-07 19:45:30 +00:00
Evan Cheng 8d61ec3002 Test case for 90787.
llvm-svn: 90791
2009-12-07 19:42:22 +00:00
David Greene 76a7edc36d Use FileCheck and set nounwind on calls.
llvm-svn: 90790
2009-12-07 19:40:26 +00:00
Dan Gohman 6aaf4232e5 Apply Pekka Jääskeläinen's patch to raise the first virtual register
number in order to accomodate targets with more than 1024 registers.

llvm-svn: 90789
2009-12-07 19:38:26 +00:00
Victor Hernandez fb7c680b61 Introduce the "@llvm.dbg.value" debug intrinsic.
The semantics of llvm.dbg.value are that starting from where it is executed, an offset into the specified user source variable is specified to get a new value.

An example:
  call void @llvm.dbg.value(metadata !{ i32 7 }, i64 0, metadata !2)
Here the user source variable associated with metadata #2 gets the value "i32 7" at offset 0.
 

llvm-svn: 90788
2009-12-07 19:36:34 +00:00
Mikhail Glushenkov 57a67facb8 Simplify a bit.
llvm-svn: 90785
2009-12-07 19:16:13 +00:00
Mikhail Glushenkov fca845187d Throw 'const char*' instead of 'std::string'.
llvm-svn: 90784
2009-12-07 19:15:57 +00:00
Chris Lattner 77b0d3b217 add support for phi translation and incorpation of new expression.
llvm-svn: 90782
2009-12-07 19:04:49 +00:00
Dan Gohman 9528ccdd77 Don't enable the post-RA scheduler on x86 except at -O3. In its
current form, it is too expensive in compile time.

llvm-svn: 90781
2009-12-07 19:04:31 +00:00
Chris Lattner e60244db8c checkpoint of the new PHITransAddr code, still not done and not used by
anything.

llvm-svn: 90779
2009-12-07 18:36:53 +00:00
Mikhail Glushenkov 0bdfb53080 Regenerate.
llvm-svn: 90776
2009-12-07 18:26:24 +00:00
Mikhail Glushenkov 550694d18a Documentation update.
llvm-svn: 90775
2009-12-07 18:26:11 +00:00
Mikhail Glushenkov 67c106664b Deprecate 'unpack_values'.
Use 'forward_values' + 'comma_separated' instead.

llvm-svn: 90774
2009-12-07 18:25:54 +00:00
Mikhail Glushenkov e69994f04f Pass '-msse' and friends to llc as '-mattr=+/-'.
llvm-svn: 90771
2009-12-07 17:03:21 +00:00
Mikhail Glushenkov 6b6be99632 Implement 'forward_value' and 'forward_transformed_value'.
llvm-svn: 90770
2009-12-07 17:03:05 +00:00
Mikhail Glushenkov d5774dfb8d Refactoring, no functionality change.
llvm-svn: 90764
2009-12-07 10:51:55 +00:00
Evan Cheng cc77062194 Pre-regalloc tale duplication. Work in progress.
llvm-svn: 90759
2009-12-07 10:15:19 +00:00
John Mosby 7bc9bb3555 fixed some typos in method comments, reworded some comments for clarity
llvm-svn: 90754
2009-12-07 09:06:37 +00:00
Oscar Fuentes 8b6d88d2f8 Fixes the Atomic implementation if compiled by MSVC compiler.
sys::cas_flag should be long on this platform, InterlockedAdd() is
defined only for the Itanium architecture (according to MSDN).

Patch by Michael Beck!

llvm-svn: 90748
2009-12-07 05:29:59 +00:00
Evan Cheng 92c310cb79 If BB is empty, insert PHI before end() instead of front().
llvm-svn: 90744
2009-12-07 03:07:01 +00:00
Anton Korobeynikov 24a6316aaa Some pretty-printing
llvm-svn: 90742
2009-12-07 02:28:41 +00:00
Anton Korobeynikov 1bcece70bd Truncate the arguments of llvm.frameaddress / llvm.returnaddress intrinsics from i32 to platform's largest native type
llvm-svn: 90741
2009-12-07 02:28:26 +00:00
Anton Korobeynikov ff4ab51400 Add lowering of returnaddr and frameaddr intrinsics. Shamelessly stolen from x86 :)
llvm-svn: 90740
2009-12-07 02:28:10 +00:00
Anton Korobeynikov b4be8ce537 Initial codegen support for MSP430 ISRs
llvm-svn: 90739
2009-12-07 02:27:53 +00:00
Anton Korobeynikov 27a0ecfa39 Add MSP430 interrupt calling conv. No functionality change yet.
llvm-svn: 90738
2009-12-07 02:27:35 +00:00
Anton Korobeynikov 28d3c733aa Add ability to select hw multiplier mode and select appropriate libcalls.
llvm-svn: 90737
2009-12-07 02:27:08 +00:00
Rafael Espindola 662908cdcf Fix typos. Thanks to John Tytgat for noticing it!
llvm-svn: 90728
2009-12-07 00:27:35 +00:00
Anton Korobeynikov 75dfed4fa5 Dynamic stack realignment use of sp register as source/dest register
in "bic sp, sp, #15" leads to unpredicatble behaviour in Thumb2 mode.
Emit the following code instead:
mov r4, sp
bic r4, r4, #15
mov sp, r4

llvm-svn: 90724
2009-12-06 22:39:50 +00:00
Chris Lattner 6d6f10fe91 fix PR5698
llvm-svn: 90708
2009-12-06 17:17:23 +00:00
Chris Lattner 7a141b3d88 remove extraneous comma clang warns about
llvm-svn: 90707
2009-12-06 16:58:41 +00:00
Chris Lattner 778cb92235 constant fold loads from memcpy's from global constants. This is important
because clang lowers nontrivial automatic struct/array inits to memcpy from
a global array.

llvm-svn: 90698
2009-12-06 05:29:56 +00:00
Chris Lattner 93236ba327 add support for forwarding mem intrinsic values to non-local loads.
llvm-svn: 90697
2009-12-06 04:54:31 +00:00
Chris Lattner 850a3cd905 gvn is optimizing this better now.
llvm-svn: 90696
2009-12-06 04:16:05 +00:00
Chris Lattner 42376066eb Handle forwarding local memsets to loads. For example, we optimize this:
short x(short *A) {
  memset(A, 1, sizeof(*A)*100);
  return A[42];
}

to 'return 257' instead of doing the load.  

llvm-svn: 90695
2009-12-06 01:57:02 +00:00
Chris Lattner d15e11ad98 Add helper methods for forming shift operations with a constant
shift amount.

llvm-svn: 90694
2009-12-06 01:56:22 +00:00
Chris Lattner eb5bb1bf78 merge two tests.
llvm-svn: 90691
2009-12-06 01:47:24 +00:00
Oscar Fuentes 58eea20f47 CheckAtomic.cmake: Put all C++ code inside CHECK_CXX_SOURCE_COMPILES.
llvm-svn: 90685
2009-12-06 00:06:33 +00:00
Oscar Fuentes 4f6d1eb3e0 Fix for atomic intrinsics detection when using MSVC.
Patch by Michael Beck!

llvm-svn: 90683
2009-12-05 23:19:33 +00:00
Dan Gohman 35f5646ef0 Remove old DBG_LABEL code.
llvm-svn: 90669
2009-12-05 17:56:26 +00:00
Dan Gohman 6e7073b846 Remove the unused DisableLegalizeTypes option and related code.
llvm-svn: 90668
2009-12-05 17:51:33 +00:00
Bill Wendling 29d6390249 Calling InvalidateEntry during the refinement was breaking the bootstrap.
llvm-svn: 90656
2009-12-05 07:59:04 +00:00
Bill Wendling fa3f115ec4 Final cleanups:
- Privatize a typedef.
- Call the InvalidateEntry when refining a type.

llvm-svn: 90655
2009-12-05 07:46:49 +00:00
Bill Wendling f89986235d Temporarily revert r90502. It was causing the llvm-gcc bootstrap on PPC to fail.
llvm-svn: 90653
2009-12-05 07:30:23 +00:00
Nick Lewycky c86b6fbb40 Document that memory use intrinsics may also return Def results.
llvm-svn: 90651
2009-12-05 06:37:52 +00:00
Nick Lewycky e91765fdbb Fix indentation in switch statement.
llvm-svn: 90650
2009-12-05 06:37:24 +00:00
Nick Lewycky a0e9d700dc Generalize this optimization to work on equality comparisons between any two
integers that are constant except for a single bit (the same n-th bit in each).

llvm-svn: 90646
2009-12-05 05:00:00 +00:00
Eric Christopher 455c5776e2 More updates to objectsize intrinsic docs.
llvm-svn: 90644
2009-12-05 02:46:03 +00:00
Dan Gohman 0891d759b5 Don't print a space before the : between the file name and line number.
And separate the directory and file name with a '/'.

llvm-svn: 90641
2009-12-05 02:00:34 +00:00
Bill Wendling 4968774280 Inline methods which are called only once.
llvm-svn: 90640
2009-12-05 01:46:01 +00:00
Bill Wendling da95e13750 Refactor some code. No functionality change.
llvm-svn: 90639
2009-12-05 01:43:33 +00:00
Dan Gohman 3a6164e8ab Print newlines after printing labels for debug info, so that the output
isn't cluttered with things like "Llabel47:Llabel48:  movq  (%rsi), %xmm3"

llvm-svn: 90638
2009-12-05 01:42:34 +00:00
Dan Gohman c82272a7b6 Don't blindly set the debug location for PHI node copies.
llvm-svn: 90637
2009-12-05 01:29:04 +00:00