Duncan Sands [Mon, 30 Apr 2012 11:56:58 +0000 (11:56 +0000)]
Just mark the sign bit as known zero, rather than any other irrelevant bits
known zero in the LHS. Fixes PR12541.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155818
91177308-0d34-0410-b5e6-
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Bill Wendling [Mon, 30 Apr 2012 10:44:54 +0000 (10:44 +0000)]
Second attempt at PR12573:
Allow the "SplitCriticalEdge" function to split the edge to a landing pad. If
the pass is *sure* that it thinks it knows what it's doing, then it may go ahead
and specify that the landing pad can have its critical edge split. The loop
unswitch pass is one of these passes. It will split the critical edges of all
edges coming from a loop to a landing pad not within the loop. Doing so will
retain important loop analysis information, such as loop simplify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155817
91177308-0d34-0410-b5e6-
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Bill Wendling [Mon, 30 Apr 2012 10:25:51 +0000 (10:25 +0000)]
Use an ArrayRef instead of explicit vector type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155816
91177308-0d34-0410-b5e6-
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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
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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
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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-
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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-
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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-
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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-
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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-
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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-
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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-
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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
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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-
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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-
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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-
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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-
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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-
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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-
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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
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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
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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
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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-
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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
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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-
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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-
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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
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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-
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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-
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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-
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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-
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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
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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-
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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-
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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-
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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-
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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-
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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-
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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
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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
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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
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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-
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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
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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-
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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-
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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-
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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-
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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-
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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-
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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-
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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-
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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-
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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-
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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-
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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