oota-llvm.git
12 years agoCode cleanup in RuntimeDyld:
Eli Bendersky [Mon, 30 Apr 2012 10:06:27 +0000 (10:06 +0000)]
Code cleanup in RuntimeDyld:

- Add comments
- Change field names to be more reasonable
- Fix indentation and naming to conform to coding conventions
- Remove unnecessary includes / replace them by forward declatations

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155815 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove hack from r154987. The problem persists even with it, so it's not even a good...
Bill Wendling [Mon, 30 Apr 2012 09:23:48 +0000 (09:23 +0000)]
Remove hack from r154987. The problem persists even with it, so it's not even a good hack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155813 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoNo need to normalize index before calling Extract128BitVector
Craig Topper [Mon, 30 Apr 2012 05:17:10 +0000 (05:17 +0000)]
No need to normalize index before calling Extract128BitVector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155811 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoCopied all the VEX prefix encoding code from X86MCCodeEmitter to the x86 JIT emitter...
Pete Cooper [Mon, 30 Apr 2012 03:56:44 +0000 (03:56 +0000)]
Copied all the VEX prefix encoding code from X86MCCodeEmitter to the x86 JIT emitter.  Needs some major refactoring as these two code emitters are almost identical

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155810 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMake sure HoistInsertPosition finds a position that is dominated by all
Rafael Espindola [Mon, 30 Apr 2012 03:53:06 +0000 (03:53 +0000)]
Make sure HoistInsertPosition finds a position that is dominated by all
inputs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155809 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove unneeded casts. No functionality change.
Jakub Staszak [Sun, 29 Apr 2012 20:52:53 +0000 (20:52 +0000)]
Remove unneeded casts. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155800 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove superfluous 'inline'
Craig Topper [Sun, 29 Apr 2012 20:27:47 +0000 (20:27 +0000)]
Remove superfluous 'inline'

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155799 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSimplify code a bit. No functional change intended.
Craig Topper [Sun, 29 Apr 2012 20:22:05 +0000 (20:22 +0000)]
Simplify code a bit. No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155798 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUpdate the documentation of CellSPU, in case it gets removed in 3.1.
Kalle Raiskila [Sun, 29 Apr 2012 20:00:55 +0000 (20:00 +0000)]
Update the documentation of CellSPU, in case it gets removed in 3.1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155797 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRegisterPressure: ArrayRefize some functions for better readability. No functionality...
Benjamin Kramer [Sun, 29 Apr 2012 18:52:56 +0000 (18:52 +0000)]
RegisterPressure: ArrayRefize some functions for better readability. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155795 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix some formatting, grammar and style issues and add a couple of missing comments.
Eli Bendersky [Sun, 29 Apr 2012 12:40:47 +0000 (12:40 +0000)]
Fix some formatting, grammar and style issues and add a couple of missing comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155793 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove redundant line (the memory manager is set above to the same object
Eli Bendersky [Sun, 29 Apr 2012 11:14:59 +0000 (11:14 +0000)]
Remove redundant line (the memory manager is set above to the same object
if !ForceInterpreteri). It has no effect (apart from a memory leak...)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155792 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSmallVector: Don't rely on having an assignment operator around in push_back for...
Benjamin Kramer [Sun, 29 Apr 2012 10:53:29 +0000 (10:53 +0000)]
SmallVector: Don't rely on having an assignment operator around in push_back for POD-like types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155791 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix comments from copy-paste to a more relevant meaning
Eli Bendersky [Sun, 29 Apr 2012 10:26:26 +0000 (10:26 +0000)]
Fix comments from copy-paste to a more relevant meaning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155790 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd constants for first and last integer vector types to be consistent with floating...
Craig Topper [Sun, 29 Apr 2012 07:25:46 +0000 (07:25 +0000)]
Add constants for first and last integer vector types to be consistent with floating point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155787 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove tab characters
Craig Topper [Sun, 29 Apr 2012 07:07:36 +0000 (07:07 +0000)]
Remove tab characters

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155786 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMark the default cases of MVT::getVectorElementType and MVT:getVectorNumElements...
Craig Topper [Sun, 29 Apr 2012 07:06:58 +0000 (07:06 +0000)]
Mark the default cases of MVT::getVectorElementType and MVT:getVectorNumElements as unreachable to reduce code size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155785 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't update spill weights when joining intervals.
Jakob Stoklund Olesen [Sat, 28 Apr 2012 19:19:11 +0000 (19:19 +0000)]
Don't update spill weights when joining intervals.

We don't compute spill weights until after coalescing anyway.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155766 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSpring cleaning - Delete dead code.
Jakob Stoklund Olesen [Sat, 28 Apr 2012 19:19:07 +0000 (19:19 +0000)]
Spring cleaning - Delete dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155765 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoIf the __is_trivially_copyable type trait is available use it as the baseline for...
Benjamin Kramer [Sat, 28 Apr 2012 16:22:31 +0000 (16:22 +0000)]
If the __is_trivially_copyable type trait is available use it as the baseline for isPodLike.

This way we can enable the POD-like class optimization for a lot more classes,
saving ~120k of code in clang/i386/Release+Asserts when selfhosting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155761 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUse the most basic superclass of SmallVector in ArrayRef.
Benjamin Kramer [Sat, 28 Apr 2012 16:22:26 +0000 (16:22 +0000)]
Use the most basic superclass of SmallVector in ArrayRef.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155760 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a problem with blocks that need to be split twice.
Jakob Stoklund Olesen [Sat, 28 Apr 2012 06:21:38 +0000 (06:21 +0000)]
Fix a problem with blocks that need to be split twice.

The code could search past the end of the basic block when there was
already a constant pool entry after the block.

Test case with giant basic block in SingleSource/UnitTests/Vector/constpool.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155753 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReapply 155668: Fix the SD scheduler to avoid gluing the same node twice.
Andrew Trick [Sat, 28 Apr 2012 01:03:23 +0000 (01:03 +0000)]
Reapply 155668: Fix the SD scheduler to avoid gluing the same node twice.

This time, also fix the caller of AddGlue to properly handle
incomplete chains. AddGlue had failure modes, but shamefully hid them
from its caller. It's luck ran out.

Fixes rdar://11314175: BuildSchedUnits assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155749 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoARM: Thumb add(sp plus register) asm constraints.
Jim Grosbach [Fri, 27 Apr 2012 23:51:36 +0000 (23:51 +0000)]
ARM: Thumb add(sp plus register) asm constraints.

Make sure when parsing the Thumb1 sp+register ADD instruction that
the source and destination operands match. In thumb2, just use the
wide encoding if they don't. In Thumb1, issue a diagnostic.

rdar://11219154

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155748 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoARM: Tweak tADDrSP definition for consistent operand order.
Jim Grosbach [Fri, 27 Apr 2012 23:51:33 +0000 (23:51 +0000)]
ARM: Tweak tADDrSP definition for consistent operand order.

Make the operand order of the instruction match that of the asm syntax.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155747 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRevert r155745
Derek Schuff [Fri, 27 Apr 2012 23:37:41 +0000 (23:37 +0000)]
Revert r155745

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155746 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix fastcc structure return with fast-isel on x86-32
Derek Schuff [Fri, 27 Apr 2012 23:27:17 +0000 (23:27 +0000)]
Fix fastcc structure return with fast-isel on x86-32

On x86-32, structure return via sret lets the callee pop the hidden
pointer argument off the stack, which the caller then re-pushes.
However if the calling convention is fastcc, then a register is used
instead, and the caller should not adjust the stack. This is
implemented with a check of IsTailCallConvention
X86TargetLowering::LowerCall but is now checked properly in
X86FastISel::DoSelectCall.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155745 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTrack worst case alignment padding more accurately.
Jakob Stoklund Olesen [Fri, 27 Apr 2012 22:58:38 +0000 (22:58 +0000)]
Track worst case alignment padding more accurately.

Previously, ARMConstantIslandPass would conservatively compute the
address of an aligned basic block as:

  RoundUpToAlignment(Offset + UnknownPadding)

This worked fine for the layout algorithm itself, but it could fool the
verify() function because it accounts for alignment padding twice: Once
when adding the worst case UnknownPadding, and again by rounding up the
fictional block offset. This meant that when optimizeThumb2Instructions
would shrink an instruction, the conservative distance estimate could
grow. That shouldn't be possible since the woorst case alignment padding
wss already included.

This patch drops the use of RoundUpToAlignment, and depends only on
worst case padding to compute conservative block offsets. This has the
weird effect that the computed offset for an aligned block may not be
aligned.

The important difference is that shrinking an instruction can never
cause the estimated distance between two instructions to grow. The
estimated distance is always larger than the real distance that only the
assembler knows.

<rdar://problem/11339352>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155744 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTemporarily revert r155668: Fix the SD scheduler to avoid gluing.
Andrew Trick [Fri, 27 Apr 2012 22:55:59 +0000 (22:55 +0000)]
Temporarily revert r155668: Fix the SD scheduler to avoid gluing.

This definitely caused regression with ARM -mno-thumb.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155743 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUse 'unsigned' instead of 'int' in several places when retrieving number of vector...
Craig Topper [Fri, 27 Apr 2012 22:54:43 +0000 (22:54 +0000)]
Use 'unsigned' instead of 'int' in several places when retrieving number of vector elements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155742 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd x86-specific DAG combine to simplify:
Chad Rosier [Fri, 27 Apr 2012 22:33:25 +0000 (22:33 +0000)]
Add x86-specific DAG combine to simplify:

 x == -y --> x+y == 0
 x != -y --> x+y != 0

On x86, the generated code goes from
   negl    %esi
   cmpl    %esi, %edi
   je    .LBB0_2
to
   addl    %esi, %edi
   je    .L4

This case is correctly handled for ARM with "cmn".

Patch by Manman Ren.
rdar://11245199
PR12545

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155739 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[Support/YAMLParser] Fix ASan found bugs.
Michael J. Spencer [Fri, 27 Apr 2012 21:12:20 +0000 (21:12 +0000)]
[Support/YAMLParser] Fix ASan found bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155735 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTidy up spacing.
Craig Topper [Fri, 27 Apr 2012 21:05:09 +0000 (21:05 +0000)]
Tidy up spacing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155733 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMake test less fragile.
Evan Cheng [Fri, 27 Apr 2012 20:48:18 +0000 (20:48 +0000)]
Make test less fragile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155732 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't vectorize target-specific types (ppc_fp128, x86_fp80, etc.).
Hal Finkel [Fri, 27 Apr 2012 19:34:00 +0000 (19:34 +0000)]
Don't vectorize target-specific types (ppc_fp128, x86_fp80, etc.).

Target specific types should not be vectorized. As a practical matter,
these types are already register matched (at least in the x86 case),
and codegen does not always work correctly (at least in the ppc case,
and this is not worth fixing because ppc_fp128 is currently broken and
will probably go away soon).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155729 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoChange recurse depth limit to uint32 to fix warning.
David Blaikie [Fri, 27 Apr 2012 19:30:32 +0000 (19:30 +0000)]
Change recurse depth limit to uint32 to fix warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155727 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSwitch to c-style comments in a C file.
David Blaikie [Fri, 27 Apr 2012 19:30:29 +0000 (19:30 +0000)]
Switch to c-style comments in a C file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155726 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMiscellaneous accumulated cleanups.
Dan Gohman [Fri, 27 Apr 2012 18:56:31 +0000 (18:56 +0000)]
Miscellaneous accumulated cleanups.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155725 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix the order of the operands in the llvm.fma intrinsic patterns for ARM,
Lang Hames [Fri, 27 Apr 2012 18:51:24 +0000 (18:51 +0000)]
Fix the order of the operands in the llvm.fma intrinsic patterns for ARM,
<rdar://problem/11325085>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155724 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd an early bailout to IsValueFullyAvailableInBlock from deeply nested blocks.
Mon P Wang [Fri, 27 Apr 2012 18:09:28 +0000 (18:09 +0000)]
Add an early bailout to IsValueFullyAvailableInBlock from deeply nested blocks.
The limit is set to an arbitrary 1000 recursion depth to avoid stack overflow
issues. <rdar://problem/11286839>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155722 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReapply r155682, making constant folding more consistent, with a fix to work
Dan Gohman [Fri, 27 Apr 2012 17:50:22 +0000 (17:50 +0000)]
Reapply r155682, making constant folding more consistent, with a fix to work
properly with how the code handles all-undef PHI nodes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155721 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix ARM assembly parsing for upper case condition codes on IT instructions.
Richard Barton [Fri, 27 Apr 2012 17:34:01 +0000 (17:34 +0000)]
Fix ARM assembly parsing for upper case condition codes on IT instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155720 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove a docs reference to the CBackend.
Jim Grosbach [Fri, 27 Apr 2012 16:29:22 +0000 (16:29 +0000)]
Remove a docs reference to the CBackend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155716 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoMissed some register numbers.
Benjamin Kramer [Fri, 27 Apr 2012 12:21:46 +0000 (12:21 +0000)]
Missed some register numbers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155706 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUpdate edis test for r155704.
Benjamin Kramer [Fri, 27 Apr 2012 12:14:03 +0000 (12:14 +0000)]
Update edis test for r155704.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155705 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoX86: Don't emit conditional floating point moves on when targeting pre-pentiumpro...
Benjamin Kramer [Fri, 27 Apr 2012 12:07:43 +0000 (12:07 +0000)]
X86: Don't emit conditional floating point moves on when targeting pre-pentiumpro architectures.

* Model FPSW (the FPU status word) as a register.
* Add ISel patterns for the FUCOM*, FNSTSW and SAHF instructions.
* During Legalize/Lowering, build a node sequence to transfer the comparison
result from FPSW into EFLAGS. If you're wondering about the right-shift: That's
an implicit sub-register extraction (%ax -> %ah) which is handled later on by
the instruction selector.

Fixes PR6679. Patch by Christoph Erhardt!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155704 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUpdate config.sub in the sample project.
Evgeniy Stepanov [Fri, 27 Apr 2012 10:27:32 +0000 (10:27 +0000)]
Update config.sub in the sample project.

This change replaces projects/sample/autoconf/config.sub with a copy of
autoconf/config.sub.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155703 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[asan] small optimization: do not emit "x+0" instructions
Kostya Serebryany [Fri, 27 Apr 2012 10:04:53 +0000 (10:04 +0000)]
[asan] small optimization: do not emit "x+0" instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155701 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRefactor IT handling not to store the bottom bit of the condition code in the mask...
Richard Barton [Fri, 27 Apr 2012 08:42:59 +0000 (08:42 +0000)]
Refactor IT handling not to store the bottom bit of the condition code in the mask operand in the MCInst.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155700 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRevert r155682, "Use ConstantExpr::getExtractElement when constant-folding vectors"
NAKAMURA Takumi [Fri, 27 Apr 2012 07:59:20 +0000 (07:59 +0000)]
Revert r155682, "Use ConstantExpr::getExtractElement when constant-folding vectors"

It broke stage2 build. stage1/clang sometimes crashed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155699 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[tsan] Atomic support for ThreadSanitizer, patch by Dmitry Vyukov
Kostya Serebryany [Fri, 27 Apr 2012 07:31:53 +0000 (07:31 +0000)]
[tsan] Atomic support for ThreadSanitizer, patch by  Dmitry Vyukov

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155698 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd mcpu to tests to prevent them from using AVX instructions on Sandy Bridge after...
Craig Topper [Fri, 27 Apr 2012 07:11:58 +0000 (07:11 +0000)]
Add mcpu to tests to prevent them from using AVX instructions on Sandy Bridge after r155618.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155696 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoImplement a bastardized ABI.
Evan Cheng [Fri, 27 Apr 2012 02:11:10 +0000 (02:11 +0000)]
Implement a bastardized ABI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155686 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago- thumbv6 shouldn't imply +thumb2. Cortex-M0 doesn't suppport 32-bit Thumb2
Evan Cheng [Fri, 27 Apr 2012 01:27:19 +0000 (01:27 +0000)]
- thumbv6 shouldn't imply +thumb2. Cortex-M0 doesn't suppport 32-bit Thumb2
  instructions.
- However, it does support dmb, dsb, isb, mrs, and msr.
rdar://11331541

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155685 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUse ConstantExpr::getExtractElement when constant-folding vectors
Dan Gohman [Fri, 27 Apr 2012 00:54:36 +0000 (00:54 +0000)]
Use ConstantExpr::getExtractElement when constant-folding vectors
instead of getAggregateElement. This has the advantage of being
more consistent and allowing higher-level constant folding to
procede even if an inner extract element cannot be folded.

Make ConstantFoldInstruction call ConstantFoldConstantExpression
on the instruction's operands, making it more consistent with
ConstantFoldConstantExpression itself. This makes sure that
ConstantExprs get TargetData-aware folding before being handed
off as operands for further folding.

This causes more expressions to be folded, but due to a known
shortcoming in constant folding, this currently has the side effect
of stripping a few more nuw and inbounds flags in the non-targetdata
side of constant-fold-gep.ll. This is mostly harmless.

This fixes rdar://11324230.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155682 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoBreak up getProfitableChainIncrement().
Jakob Stoklund Olesen [Thu, 26 Apr 2012 23:33:11 +0000 (23:33 +0000)]
Break up getProfitableChainIncrement().

The required checks are moved to ChainInstruction() itself and the
policy decisions are moved to IVChain::isProfitableInc().

Also cache the ExprBase in IVChain to avoid frequent recomputations.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155676 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTurn IVChain into a struct.
Jakob Stoklund Olesen [Thu, 26 Apr 2012 23:33:09 +0000 (23:33 +0000)]
Turn IVChain into a struct.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155675 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd instcombine patterns for the following transformations:
Chad Rosier [Thu, 26 Apr 2012 23:29:14 +0000 (23:29 +0000)]
Add instcombine patterns for the following transformations:

 (x & y) | (x ^ y) -> x | y
 (x & y) + (x ^ y) -> x | y

Patch by Manman Ren.
rdar://10770603

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155674 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDumpSegment64Command() wasn't returning correct result. Caught by static analyzer...
Evan Cheng [Thu, 26 Apr 2012 22:07:28 +0000 (22:07 +0000)]
DumpSegment64Command() wasn't returning correct result. Caught by static analyzer. rdar://11329354

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155669 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix the SD scheduler to avoid gluing the same node twice.
Andrew Trick [Thu, 26 Apr 2012 21:48:25 +0000 (21:48 +0000)]
Fix the SD scheduler to avoid gluing the same node twice.

DAGCombine strangeness may result in multiple loads from the same
offset. They both may try to glue themselves to another load. We could
insist that the redundant loads glue themselves to each other, but the
beter fix is to bail out from bad gluing at the time we detect it.

Fixes rdar://11314175: BuildSchedUnits assert.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155668 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDefensively guard against calling malloc() with a size of zero.
Ted Kremenek [Thu, 26 Apr 2012 20:54:27 +0000 (20:54 +0000)]
Defensively guard against calling malloc() with a size of zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155661 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoARM: Thumb ldr(literal) base address alignment is 32-bits.
Jim Grosbach [Thu, 26 Apr 2012 20:48:12 +0000 (20:48 +0000)]
ARM: Thumb ldr(literal) base address alignment is 32-bits.

The base address for the PC-relative load is Align(PC,4), so it's the
address of the word containing the 16-bit instruction, not the address
of the instruction itself. Ugh.

rdar://11314619

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155659 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd note about returns_twice magic removal from LLVM itself.
Joerg Sonnenberger [Thu, 26 Apr 2012 20:10:07 +0000 (20:10 +0000)]
Add note about returns_twice magic removal from LLVM itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155657 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTrivial change to set UseLeaForSP flag in addition to toggling
Preston Gurd [Thu, 26 Apr 2012 19:52:27 +0000 (19:52 +0000)]
Trivial change to set UseLeaForSP flag in addition to toggling
the FeatureLeaForSP feature bit when llvm auto detects Intel Atom.

Patch by Andy Zhang

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155655 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[CMake] Restructure how Clang, Polly and other external projects get included.
Michael J. Spencer [Thu, 26 Apr 2012 19:43:35 +0000 (19:43 +0000)]
[CMake] Restructure how Clang, Polly and other external projects get included.

While making lld build under the tools directory I decided to refactor how this
works.

There is now a macro, add_llvm_external_project, which takes the name of the
expected subdirectory. This sets up two CMake options.

 * LLVM_EXTERNAL_${NAME}_SOURCE_DIR
     This is the path to the source. It defaults to
     ${CMAKE_CURRENT_SOURCE_DIR}/${name}.
 * LLVM_EXTERNAL_${NAME}_BUILD
     Enable and disable building the tool as part of LLVM.

I chose LLVM_EXTERNAL_${NAME} as a prefix so they all show up together in the
GUI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155654 91177308-0d34-0410-b5e6-96231b3b80d8

12 years ago[Support/YAML] Properly fix unitialized variable warning by inserting a
Michael J. Spencer [Thu, 26 Apr 2012 19:27:11 +0000 (19:27 +0000)]
[Support/YAML] Properly fix unitialized variable warning by inserting a
'REPLACEMENT CHARACTER' (U+FFFD) when getAsInteger fails.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155653 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFixed SmallMap test. The order of items is undefined in DenseMap. So being checking...
Stepan Dyatkovskiy [Thu, 26 Apr 2012 18:45:24 +0000 (18:45 +0000)]
Fixed SmallMap test. The order of items is undefined in DenseMap. So being checking the increment for big mode, we can only check that all items are in map.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155651 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUse VLD1 in NEON extenting-load patterns instead of VLDR.
Tim Northover [Thu, 26 Apr 2012 08:46:29 +0000 (08:46 +0000)]
Use VLD1 in NEON extenting-load patterns instead of VLDR.

On some cores it's a bad idea for performance to mix VFP and NEON instructions
and since these patterns are NEON anyway, the NEON load should be used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155630 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTest commit.
Tim Northover [Thu, 26 Apr 2012 08:24:07 +0000 (08:24 +0000)]
Test commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155626 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoEnable detection of AVX and AVX2 support through CPUID. Add AVX/AVX2 to corei7-avx...
Craig Topper [Thu, 26 Apr 2012 06:40:15 +0000 (06:40 +0000)]
Enable detection of AVX and AVX2 support through CPUID. Add AVX/AVX2 to corei7-avx, core-avx-i, and core-avx2 cpu names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155618 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTeach the reassociate pass to fold chains of multiplies with repeated
Chandler Carruth [Thu, 26 Apr 2012 05:30:30 +0000 (05:30 +0000)]
Teach the reassociate pass to fold chains of multiplies with repeated
elements to minimize the number of multiplies required to compute the
final result. This uses a heuristic to attempt to form near-optimal
binary exponentiation-style multiply chains. While there are some cases
it misses, it seems to at least a decent job on a very diverse range of
inputs.

Initial benchmarks show no interesting regressions, and an 8%
improvement on SPASS. Let me know if any other interesting results (in
either direction) crop up!

Credit to Richard Smith for the core algorithm, and helping code the
patch itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155616 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSpecify cpu to unbreak tests.
Evan Cheng [Thu, 26 Apr 2012 01:38:10 +0000 (01:38 +0000)]
Specify cpu to unbreak tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155604 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoIf triple is armv7 / thumbv7 and a CPU is specified, do not automatically assume
Evan Cheng [Thu, 26 Apr 2012 01:13:36 +0000 (01:13 +0000)]
If triple is armv7 / thumbv7 and a CPU is specified, do not automatically assume
the feature set of v7a. This comes about if the user specifies something like
-arch armv7 -mcpu=cortex-m3. We shouldn't be generating instructions such as
uxtab in this case.

rdar://11318438

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155601 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDon't forget to reset 'first operand' flag when we're setting the MDNodeOperand value.
Bill Wendling [Thu, 26 Apr 2012 00:38:42 +0000 (00:38 +0000)]
Don't forget to reset 'first operand' flag when we're setting the MDNodeOperand value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155599 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTry to fix llvm-arm-linux builder with -mcpu.
Jakob Stoklund Olesen [Wed, 25 Apr 2012 21:22:33 +0000 (21:22 +0000)]
Try to fix llvm-arm-linux builder with -mcpu.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155589 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoTrivial change to make the test use -mcpu=generic so as to avoid
Preston Gurd [Wed, 25 Apr 2012 21:04:54 +0000 (21:04 +0000)]
Trivial change to make the test use -mcpu=generic so as to avoid
a failure if run on an Intel Atom with post RA instruction scheduling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155587 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReapply the SmallMap patch with a fix.
Benjamin Kramer [Wed, 25 Apr 2012 18:01:58 +0000 (18:01 +0000)]
Reapply the SmallMap patch with a fix.

Comparing ~0UL with an unsigned will always return false when long is 64 bits long.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155568 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoPrint IV chain numbers while collecting them.
Jakob Stoklund Olesen [Wed, 25 Apr 2012 18:01:32 +0000 (18:01 +0000)]
Print IV chain numbers while collecting them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155567 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove more dead code.
Jakob Stoklund Olesen [Wed, 25 Apr 2012 18:01:30 +0000 (18:01 +0000)]
Remove more dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155566 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUnify internal representation of ARM instructions with a register right-shifted by...
Richard Barton [Wed, 25 Apr 2012 18:00:18 +0000 (18:00 +0000)]
Unify internal representation of ARM instructions with a register right-shifted by #32. These are stored as shifts by #0 in the MCInst and correctly marshalled when transforming from or to assembly representation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155565 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRevert "First implementation of:"
Eric Christopher [Wed, 25 Apr 2012 17:51:00 +0000 (17:51 +0000)]
Revert "First implementation of:"

This reverts commit 76271a3366731d4c372fdebcd8d3437e6e09a61b.

as it's breaking the bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155562 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFirst implementation of:
Stepan Dyatkovskiy [Wed, 25 Apr 2012 17:09:38 +0000 (17:09 +0000)]
First implementation of:
- FlatArrayMap. Very simple map container that uses flat array inside.
- MultiImplMap. Map container interface, that has two modes, one for small amount of elements and one for big amount.
- SmallMap. SmallMap is DenseMap compatible MultiImplMap. It uses FlatArrayMap for small mode, and DenseMap for big mode.

Also added unittests for new classes and update for ProgrammersManual.
For more details about new classes see ProgrammersManual and comments in sourcecode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155557 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSimplify LiveIntervals::getApproximateInstructionCount().
Jakob Stoklund Olesen [Wed, 25 Apr 2012 16:32:23 +0000 (16:32 +0000)]
Simplify LiveIntervals::getApproximateInstructionCount().

This function is only used for a heuristic during -join-physregs. It
doesn't need floating point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155554 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove a dead function.
Jakob Stoklund Olesen [Wed, 25 Apr 2012 16:32:20 +0000 (16:32 +0000)]
Remove a dead function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155553 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoRemove the -disable-cross-class-join option.
Jakob Stoklund Olesen [Wed, 25 Apr 2012 16:17:50 +0000 (16:17 +0000)]
Remove the -disable-cross-class-join option.

Cross-class joins have been normal and fully supported for a while now.
With TableGen generating the getMatchingSuperRegClass() hook, they are
unlikely to cause problems again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155552 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoCross-class joining is winning.
Jakob Stoklund Olesen [Wed, 25 Apr 2012 16:17:47 +0000 (16:17 +0000)]
Cross-class joining is winning.

Remove the heuristic for disabling cross-class joins. The greedy
register allocator can handle the narrow register classes, and when it
splits a live range, it can pick a larger register class.

Benchmarks were unaffected by this change.

<rdar://problem/11302212>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155551 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd ifdef around getSubtargetFeatureName in tablegen output file so that only targets...
Craig Topper [Wed, 25 Apr 2012 06:56:34 +0000 (06:56 +0000)]
Add ifdef around getSubtargetFeatureName in tablegen output file so that only targets that want the function get it. This prevents other targets from getting an unused function warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155538 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoUse vector_shuffles instead of target specific unpack nodes for AVX ZERO_EXTEND/ANY_E...
Craig Topper [Wed, 25 Apr 2012 06:39:39 +0000 (06:39 +0000)]
Use vector_shuffles instead of target specific unpack nodes for AVX ZERO_EXTEND/ANY_EXTEND combine. These will be converted to target specific nodes during lowering. This is more consistent with other code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155537 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoopenbsd doesn't support soname, patch by Brad Smith!
Chris Lattner [Wed, 25 Apr 2012 06:37:20 +0000 (06:37 +0000)]
openbsd doesn't support soname, patch by Brad Smith!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155536 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoActually delete now-empty file.
Chandler Carruth [Wed, 25 Apr 2012 02:30:00 +0000 (02:30 +0000)]
Actually delete now-empty file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155532 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoReverting r155468. Chris and Chandler have convinced me that it's dangerous and
Lang Hames [Wed, 25 Apr 2012 02:16:54 +0000 (02:16 +0000)]
Reverting r155468. Chris and Chandler have convinced me that it's dangerous and
in poor taste.

Talking through some alternate solutions with Chandler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155530 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoDo not use $gp as a dedicated global register if the target ABI is not O32.
Akira Hatanaka [Wed, 25 Apr 2012 01:24:52 +0000 (01:24 +0000)]
Do not use $gp as a dedicated global register if the target ABI is not O32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155522 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agotypo in declaration from earlier today
Andrew Trick [Wed, 25 Apr 2012 01:11:22 +0000 (01:11 +0000)]
typo in declaration from earlier today

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155519 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoSimplify the known retain count tracking; use a boolean state instead
Dan Gohman [Wed, 25 Apr 2012 00:50:46 +0000 (00:50 +0000)]
Simplify the known retain count tracking; use a boolean state instead
of a precise count. Also, move RRInfo's Partial field into PtrState,
now that it won't increase the size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155513 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoBuild custom predecessor and successor lists for each basic block.
Dan Gohman [Tue, 24 Apr 2012 22:53:18 +0000 (22:53 +0000)]
Build custom predecessor and successor lists for each basic block.
These lists exclude invoke unwind edges and loop backedges which
are being ignored. This makes it easier to ignore them
consistently.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155500 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoARM: improved assembler diagnostics for missing CPU features.
Jim Grosbach [Tue, 24 Apr 2012 22:40:08 +0000 (22:40 +0000)]
ARM: improved assembler diagnostics for missing CPU features.

When an instruction match is found, but the subtarget features it
requires are not available (missing floating point unit, or thumb vs arm
mode, for example), issue a diagnostic that identifies what the feature
mismatch is.

rdar://11257547

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155499 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix a naughty header include that breaks "installed" builds.
Andrew Trick [Tue, 24 Apr 2012 20:36:19 +0000 (20:36 +0000)]
Fix a naughty header include that breaks "installed" builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155486 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoConstantFoldSelectInstruction swapped the operands of the select.
Nadav Rotem [Tue, 24 Apr 2012 20:18:49 +0000 (20:18 +0000)]
ConstantFoldSelectInstruction swapped the operands of the select.

Fix 12592. Patch by Matt Pharr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155480 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoFix the testcase. We do expect two vblendw on XMMs.
Nadav Rotem [Tue, 24 Apr 2012 19:57:38 +0000 (19:57 +0000)]
Fix the testcase. We do expect two vblendw on XMMs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155477 91177308-0d34-0410-b5e6-96231b3b80d8

12 years agoAdd a testcase for 155440
Nadav Rotem [Tue, 24 Apr 2012 19:45:28 +0000 (19:45 +0000)]
Add a testcase for 155440

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155475 91177308-0d34-0410-b5e6-96231b3b80d8