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Amaury Sechet [Mon, 23 May 2016 16:38:25 +0000 (16:38 +0000)]
Extract renaming from D19181
Summary: This needs to get in before anything is released concerning attribute. If the old name gets in the wild, then we are stuck with it forever. Putting it in its own diff should getting that part at least in fast.
Reviewers: Wallbraker, whitequark, joker.eph, echristo, rafael, jyknight
Subscribers: llvm-commits, joker.eph
Differential Revision: http://reviews.llvm.org/D20417
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270452
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Xinliang David Li [Mon, 23 May 2016 16:36:11 +0000 (16:36 +0000)]
[profile] show more statistics
Add value profile statistics with the 'show' command.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270450
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David Blaikie [Mon, 23 May 2016 16:32:11 +0000 (16:32 +0000)]
llvm-dwp: Add an abstraction for the DWP string pool
Also reference strings in the memory mapped file, reduces memory usage
on a large test case by 18.5%.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270449
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Aaron Ballman [Mon, 23 May 2016 15:52:59 +0000 (15:52 +0000)]
Removing a switch statement that contains only a default label; NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270444
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Diana Picus [Mon, 23 May 2016 14:57:19 +0000 (14:57 +0000)]
[BPF] Remove exit-on-error flag in test (PR27766)
The exit-on-error flag on the many_args1.ll test is needed to avoid an
unreachable in BPFTargetLowering::LowerCall. We can also avoid it by ignoring
any superfluous arguments to the call (i.e. any arguments after the first 5).
Fixes PR27766.
Differential Revision: http://reviews.llvm.org/D20471
v2 of r270419
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270440
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Asaf Badouh [Mon, 23 May 2016 14:04:17 +0000 (14:04 +0000)]
[X86][RTM] _xabort() should not have "noreturn" attribute
Differential Revision: http://reviews.llvm.org/D20518
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270437
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Alexander Potapenko [Mon, 23 May 2016 13:58:04 +0000 (13:58 +0000)]
[InlineAsm] Avoid creating extra string instances in ConstraintInfo::Parse()
Don't create unnecessary std::string objects when pushing back to |pCodes|.
NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270436
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Simon Pilgrim [Mon, 23 May 2016 13:03:45 +0000 (13:03 +0000)]
[X86][AVX] Added tests that access ymm registers before and after explicit vzeroupper/vzeroall calls
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270434
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Renato Golin [Mon, 23 May 2016 13:02:11 +0000 (13:02 +0000)]
Reverts "[BPF] Remove exit-on-error flag in test (PR27766)"
This patch reverts r270419 because it broke a lot of buildbots,
mostly Windows. We'd like help in investigating the issues, but
for now, it should stay out.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270433
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Simon Pilgrim [Mon, 23 May 2016 12:53:09 +0000 (12:53 +0000)]
[X86][SSE] Regenerated scalar load folding tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270431
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Simon Pilgrim [Mon, 23 May 2016 12:49:37 +0000 (12:49 +0000)]
[X86][SSE] Regenerated partial register update tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270430
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Simon Pilgrim [Mon, 23 May 2016 12:41:51 +0000 (12:41 +0000)]
[X86][SSE] Updated sse/avx cvtsi2sd tests to use non-constant value
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270425
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Simon Pilgrim [Mon, 23 May 2016 12:40:11 +0000 (12:40 +0000)]
[X86][SSE2] Regenerated sse2 upgraded intrinsics tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270423
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Simon Pilgrim [Mon, 23 May 2016 12:39:06 +0000 (12:39 +0000)]
[X86][AVX] Regenerated avx upgraded intrinsics tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270422
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Diana Picus [Mon, 23 May 2016 12:33:34 +0000 (12:33 +0000)]
[BPF] Remove exit-on-error flag in test (PR27766)
The exit-on-error flag on the many_args1.ll test is needed to avoid an
unreachable in BPFTargetLowering::LowerCall. We can also avoid it by ignoring
any superfluous arguments to the call (i.e. any arguments after the first 5).
Fixes PR27766
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270419
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Chris Dewhurst [Mon, 23 May 2016 11:52:28 +0000 (11:52 +0000)]
[Sparc] LEON erratum fix - Delay Slot Filler modification.
This code should have been with the previous check-in (r270417) and prevents the DelaySlotFiller pass being utilized in functions where the erratum fix has been applied as this will break the run-time code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270418
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Chris Dewhurst [Mon, 23 May 2016 10:56:36 +0000 (10:56 +0000)]
[Sparc][LEON] LEON Erratum fix. Insert NOP after LD or LDF instruction.
Due to an erratum in some versions of LEON, we must insert a NOP after any LD or LDF instruction to ensure the processor has time to load the value correctly before using it. This pass will implement that erratum fix.
The code will have no effect for other Sparc, but non-LEON processors.
Differential Review: http://reviews.llvm.org/D20353
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270417
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Sam Kolton [Mon, 23 May 2016 09:59:02 +0000 (09:59 +0000)]
[AMDGPU] Assembler: refactor parsing of modifiers and immediates. Allow modifiers for imms.
Reviewers: nhaustov, tstellarAMD
Subscribers: kzhuravl, arsenm
Differential Revision: http://reviews.llvm.org/D20166
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270415
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Jacob Baungard Hansen [Mon, 23 May 2016 09:41:44 +0000 (09:41 +0000)]
Test commit
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270414
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Davide Italiano [Mon, 23 May 2016 09:34:50 +0000 (09:34 +0000)]
[SCCP] Update comment to reflect reality.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270413
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Richard Smith [Mon, 23 May 2016 06:47:37 +0000 (06:47 +0000)]
Enable use of sigaltstack for signal handlers when available. With this,
backtraces from the signal handler on stack overflow now work reliably (on my
system at least...).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270395
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Craig Topper [Mon, 23 May 2016 04:02:27 +0000 (04:02 +0000)]
[X86] Use instruction aliases to replace custom asm parser code for optimizing moves to use 2 byte VEX prefix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270394
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David Majnemer [Mon, 23 May 2016 01:37:45 +0000 (01:37 +0000)]
Revert "Modify emitTypeInformation to use MemoryTypeTableBuilder"
This reverts commit r270106. It results in certain function types
omitted in the output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270389
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Craig Topper [Sun, 22 May 2016 23:44:33 +0000 (23:44 +0000)]
[AVX512] Add patterns to implement stores of extracts of least signficant subvectors using XMM or YMM stores instead of the vector extract instructions.
Similar is already done for AVX and we had lost it going to AVX512VL.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270383
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Lang Hames [Sun, 22 May 2016 22:48:36 +0000 (22:48 +0000)]
[Kaleidoscope] Fix static global ordering to prevent crash on exit.
If TheModule is declared before LLVMContext then it will be destructed after it,
crashing when it tries to deregister itself from the destructed context.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270381
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Simon Pilgrim [Sun, 22 May 2016 20:35:42 +0000 (20:35 +0000)]
[X86][SSE] Added extra i8 extract element test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270379
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Sanjay Patel [Sun, 22 May 2016 20:22:47 +0000 (20:22 +0000)]
[x86, AVX] don't add a vzeroupper if that's what the code is already doing (PR27823)
This isn't the complete fix, but it handles the trivial examples of duplicate vzero* ops in PR27823:
https://llvm.org/bugs/show_bug.cgi?id=27823
...and amusingly, the bogus cases already exist as regression tests, so let's take this baby step.
We'll need to do more in the general case where there's legitimate AVX usage in the function + there's
already a vzero in the code.
Differential Revision: http://reviews.llvm.org/D20477
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270378
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Sanjay Patel [Sun, 22 May 2016 19:55:48 +0000 (19:55 +0000)]
[x86, AVX] add test file to show vzeroupper pass excesses
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270375
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Sanjay Patel [Sun, 22 May 2016 17:08:52 +0000 (17:08 +0000)]
reduce indent; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270372
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Sanjay Patel [Sun, 22 May 2016 16:07:20 +0000 (16:07 +0000)]
use 'auto' with 'dyn_cast'; fix formatting; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270370
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Sanjay Patel [Sun, 22 May 2016 15:41:53 +0000 (15:41 +0000)]
[ValueTracking, InstCombine] extend isKnownToBeAPowerOfTwo() to handle vector splat constants
We could try harder to handle non-splat vector constants too,
but that seems much rarer to me.
Note that the div test isn't resolved because there's a check
for isIntegerTy() guarding that transform.
Differential Revision: http://reviews.llvm.org/D20497
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270369
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Igor Breger [Sun, 22 May 2016 10:21:04 +0000 (10:21 +0000)]
[AVX512] Implement missing patterns for any_extend load lowering.
Differential Revision: http://reviews.llvm.org/D20513
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270357
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Craig Topper [Sun, 22 May 2016 07:40:58 +0000 (07:40 +0000)]
[AVX512] The AVX512 file only need subtract_subvector index 0 patterns where the source is 512-bits. The 256-bit source patterns were redundant with AVX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270356
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Craig Topper [Sun, 22 May 2016 07:40:40 +0000 (07:40 +0000)]
[AVX512] Add an AddedComplexity line to the 512-bit insert_subvector undef index 0 patterns. This gives them higher priority than the memory patterns. This matches AVX1/2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270355
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Craig Topper [Sun, 22 May 2016 06:09:34 +0000 (06:09 +0000)]
[AVX512] Change the AddedComplexity on some patterns to match their AVX/SSE equivalents. This helps group them close together in the isel tables and enable table compression.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270354
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Xinliang David Li [Sun, 22 May 2016 01:21:21 +0000 (01:21 +0000)]
bug fix: trim section specifier name length
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270349
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Craig Topper [Sun, 22 May 2016 00:39:33 +0000 (00:39 +0000)]
[X86] Add a common check-prefix to both run lines on a test so identical checks appear just once.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270345
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Craig Topper [Sun, 22 May 2016 00:39:30 +0000 (00:39 +0000)]
[AVX512] Add a couple patterns to fix some cases where two vector mask inversions could appear in a row.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270344
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Craig Topper [Sun, 22 May 2016 00:39:27 +0000 (00:39 +0000)]
[AVX512] Remove seemingly unnecessary AddedComplexity adjustment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270343
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Xinliang David Li [Sat, 21 May 2016 22:55:34 +0000 (22:55 +0000)]
[profile] Static counter allocation for value profiling (part-1)
Differential Revision: http://reviews.llvm.org/D20459
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270336
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Craig Topper [Sat, 21 May 2016 22:50:18 +0000 (22:50 +0000)]
[X86] Remove unnecessary alignment check on patterns that use VEXTRACTF128 for integer types when only AVX1 is supported.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270335
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Craig Topper [Sat, 21 May 2016 22:50:14 +0000 (22:50 +0000)]
[AVX512] Add patterns for extracting subvectors and storing to memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270334
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Craig Topper [Sat, 21 May 2016 22:50:11 +0000 (22:50 +0000)]
[AVX512] Capitalize the Z in VEXTRACTPSzmr. Lowercase z has been primarily used to indicating the zero masking behavior which is not the case here. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270333
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Craig Topper [Sat, 21 May 2016 22:50:09 +0000 (22:50 +0000)]
[AVX512] Rename vector extract instructions so 'mr' intead of 'rm' to reflect the fact that memory is the destination.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270332
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Craig Topper [Sat, 21 May 2016 22:50:04 +0000 (22:50 +0000)]
[AVX512] Fix copy/paste mistake a I made in a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270331
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Chad Rosier [Sat, 21 May 2016 21:12:06 +0000 (21:12 +0000)]
Fix 80-column violation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270329
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Hal Finkel [Sat, 21 May 2016 16:03:50 +0000 (16:03 +0000)]
[LiveIntervalAnalysis] Don't dereference an end iterator in repairIntervalsInRange
This fixes a bug introduced in:
r262115 - CodeGen: Take MachineInstr& in SlotIndexes and LiveIntervals, NFC
The iterator End here might == MBB->end(), and so we can't unconditionally
dereference it. This often goes unnoticed (I don't have a test case that always
crashes, and ASAN does not catch it either) because the function call arguments are
turned right back into iterators. MachineInstrBundleIterator's constructor,
however, does have an assert which might randomly fire.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270323
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Michael Zuckerman [Sat, 21 May 2016 14:44:18 +0000 (14:44 +0000)]
[Clang][AVX512][intrinsics] Fix rcp and sqrt intrinsics.
Differential Revision: http://reviews.llvm.org/D20438
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270322
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Michael Zuckerman [Sat, 21 May 2016 11:09:53 +0000 (11:09 +0000)]
[Clang][AVX512][intrinsics] Fix vscalef intrinsics.
Differential Revision: http://reviews.llvm.org/D20324
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270321
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George Rimar [Sat, 21 May 2016 10:16:58 +0000 (10:16 +0000)]
[llvm-readobj] - Teach readobj to recognize SHF_COMPRESSED flag.
Main problem here was that SHF_COMPRESSED has the same value with
XCORE_SHF_CP_SECTION, which was included as standart (common) flag.
As far I understand xCore is a family of controllers and it that
means it's constant should be processed separately,
only if e_machine == EM_XCORE, otherwise llvm-readobj would output
different constants twice for compressed section:
Flags [
..
SHF_COMPRESSED (0x800)
..
XCORE_SHF_CP_SECTION (0x800)
..
]
what probably does not make sence if you're not working with xcore file.
Differential revision: http://reviews.llvm.org/D20273
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270320
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Craig Topper [Sat, 21 May 2016 07:08:56 +0000 (07:08 +0000)]
[AVX512] Add patterns for VEXTRACT v16i16->v8i16 and v32i8->v16i8. Disable AVX2 versions of vector extract when AVX512VL is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270318
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Craig Topper [Sat, 21 May 2016 06:07:18 +0000 (06:07 +0000)]
[AVX512] Disable AVX2 VPERMD, VPERMQ, VPERMPS, and VPERMPD patterns when AVX512VL is enabled. Also add shuffle comment printing for AVX512VL VPERMPD/VPERMQ to keep some tests that now use these instructions instead of the AVX2 ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270317
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Craig Topper [Sat, 21 May 2016 05:47:25 +0000 (05:47 +0000)]
[AVX512] Disable AVX/AVX2 VBROADCASTSS/VBROADCASTSD patterns when AVX512VL is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270316
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Craig Topper [Sat, 21 May 2016 05:46:58 +0000 (05:46 +0000)]
[AVX512] Use update_llc_test_checks to update some tests so we can see all the instruction encodings and ensure everything is with EVEX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270315
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David Majnemer [Sat, 21 May 2016 05:12:32 +0000 (05:12 +0000)]
[SimplifyCFG] Remove cleanuppads which are empty except for calls to lifetime.end
A cleanuppad is not cheap, they turn into many instructions and result
in additional spills and fills. It is not worth keeping a cleanuppad
around if all it does is hold a lifetime.end instruction.
N.B. We first try to merge the cleanuppad with another cleanuppad to
avoid dropping the lifetime and debug info markers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270314
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Craig Topper [Sat, 21 May 2016 03:59:55 +0000 (03:59 +0000)]
[AVX512] Fix test cases I missed in r270311.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270313
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Matt Arsenault [Sat, 21 May 2016 03:55:07 +0000 (03:55 +0000)]
AMDGPU: Define priorities for register classes
Allocating larger register classes first should give better allocation
results (and more importantly for myself, make the lit tests more stable
with respect to scheduler changes).
Patch by Matthias Braun
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270312
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Craig Topper [Sat, 21 May 2016 03:52:32 +0000 (03:52 +0000)]
[AVX512] Disable AVX/AVX2 patterns for VPSADBW and VPMULUDQ when the AVX512VL/AVX512BWI equivalents are available.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270311
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Craig Topper [Sat, 21 May 2016 03:52:28 +0000 (03:52 +0000)]
[X86] Convert some SSE2/AVX2 intrinsics to ISD opcodes during lowering instead of pattern matching the intrinsics. This unifies handling with AVX512 and allows these intrinsics to select EVEX encoded instructions to increase available registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270310
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Sanjoy Das [Sat, 21 May 2016 02:52:13 +0000 (02:52 +0000)]
[IRCE] Don't use an allocator for range checks; NFC
The InductiveRangeCheck struct is only five words long; so passing these
around value is fine. The allocator makes the code look more complex
than it is.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270309
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Sanjoy Das [Sat, 21 May 2016 02:31:51 +0000 (02:31 +0000)]
[IRCE] Don't pass IRBuilder<> where unnecessary; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270308
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Matt Arsenault [Sat, 21 May 2016 02:27:49 +0000 (02:27 +0000)]
AMDGPU: Cleanup lowering actions
These are kind of a mess and hard to follow, particularly
for loads and stores. Fix various redundant, unnecessary
and dead settings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270307
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Sanjoy Das [Sat, 21 May 2016 02:24:44 +0000 (02:24 +0000)]
[GuardWidening] Fix incorrect use of remove_if
I had used `std::remove_if` under the assumption that it moves the
predicate matching elements to the end, but actaully the elements
remaining towards the end (after the iterator returned by
`std::remove_if`) are indeterminate. Fix the bug (and make the code
more straightforward) by using a temporary SmallVector, and add a test
case demonstrating the issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270306
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Matt Arsenault [Sat, 21 May 2016 01:53:33 +0000 (01:53 +0000)]
AMDGPU: Fix high bits after division optimization
This is essentially doing a 24-bit signed division with FP.
We need to truncate to the N bit result.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270305
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Quentin Colombet [Sat, 21 May 2016 01:43:25 +0000 (01:43 +0000)]
[RegBankSelect] Compute the repairing cost for copies.
Prior to this patch, we were using 1 for all the repairing costs.
Now, we use the information from the target to get this information.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270304
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Quentin Colombet [Sat, 21 May 2016 01:41:17 +0000 (01:41 +0000)]
[RegisterBankInfo] Fix the initialization of the map VT to RegBank.
Prior to this patch we could have read uninitialized memory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270303
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Dylan McKay [Sat, 21 May 2016 01:06:37 +0000 (01:06 +0000)]
[AVR] Add AVRMCAsmInfo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270302
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Matt Arsenault [Sat, 21 May 2016 00:53:42 +0000 (00:53 +0000)]
AMDGPU: Fix verifier error when spilling SGPRs
The current SGPR spilling test does not stress this
because it is using s_buffer_load instructions to
increase SGPR pressure and spill, but their output
operands have the same SReg_32_XM0 constraint. This fixes
an error when the SReg_32 output from most instructions
is spilled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270301
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Matt Arsenault [Sat, 21 May 2016 00:53:28 +0000 (00:53 +0000)]
AMDGPU: Fix relationship between SReg_32 and SReg_32_XM0
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270300
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Chris Bieneman [Sat, 21 May 2016 00:36:47 +0000 (00:36 +0000)]
Fix implicit type conversion. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270299
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Dylan McKay [Sat, 21 May 2016 00:35:07 +0000 (00:35 +0000)]
[AVR] Fix header files in MCTargetDesc
Everything now compiles successfully, but there are still undefined
references.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270298
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Matt Arsenault [Sat, 21 May 2016 00:29:40 +0000 (00:29 +0000)]
AMDGPU: Handle cbranch vccz/vccnz
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270297
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Matt Arsenault [Sat, 21 May 2016 00:29:34 +0000 (00:29 +0000)]
AMDGPU: Implement ReverseBranchCondition
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270296
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Matt Arsenault [Sat, 21 May 2016 00:29:27 +0000 (00:29 +0000)]
AMDGPU: Implement AnalyzeBranch
Original patch by Tom Stellard
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270295
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Dan Gohman [Sat, 21 May 2016 00:21:56 +0000 (00:21 +0000)]
[WebAssembly] Optimize away return instructions using fallthroughs.
This saves a small amount of code size, and is a first small step toward
passing values on the stack across block boundaries.
Differential Review: http://reviews.llvm.org/D20450
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270294
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Matt Arsenault [Sat, 21 May 2016 00:14:04 +0000 (00:14 +0000)]
Fix constant folding of addrspacecast of null
This should not be making assumptions on the value of
the casted pointer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270293
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Dylan McKay [Fri, 20 May 2016 23:39:04 +0000 (23:39 +0000)]
[AVR] Fix signuature of AVRTargetMachine constructor
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270292
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Matthias Braun [Fri, 20 May 2016 23:14:56 +0000 (23:14 +0000)]
LiveIntervalAnalysis: Rework constructMainRangeFromSubranges()
We now use LiveRangeCalc::extendToUses() instead of a specially designed
algorithm in constructMainRangeFromSubranges():
- The original motivation for constructMainRangeFromSubranges() were
differences between the main liverange and subranges because of hidden
dead definitions. This case however cannot happen anymore with the
DetectDeadLaneMasks pass in place.
- It simplifies the code.
- This fixes a longstanding bug where we did not properly create new SSA
values on merging control flow (the MachineVerifier missed most of
these cases).
- Move constructMainRangeFromSubranges() to LiveIntervalAnalysis and
LiveRangeCalc to better match the implementation/available helper
functions.
This re-applies r269016. The fixes from r270290 and r270259 should avoid
the machine verifier problems this time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270291
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Matthias Braun [Fri, 20 May 2016 23:02:13 +0000 (23:02 +0000)]
MachineVerifier: subregs so not require defs/valnos on every path
It is fine for subregister ranges to be undefined on some CFG paths as
we may have a "vregX:other_subreg<read-undef> =" def on that path. We
do not (and should not) have live segments for the subregister ranges.
The MachineVerifier should not complain about this.
This is a slight variant of http://llvm.org/PR27705
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270290
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Rui Ueyama [Fri, 20 May 2016 22:59:05 +0000 (22:59 +0000)]
Fix struct member names and simplify. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270289
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Tim Shen [Fri, 20 May 2016 22:42:01 +0000 (22:42 +0000)]
[PowerPC] Add a testcase for TCO on string rvo function
Differential Revision: http://reviews.llvm.org/D20311
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270287
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Chris Bieneman [Fri, 20 May 2016 22:31:50 +0000 (22:31 +0000)]
[yaml2obj] [MachO] Fill Segment and Section data
This fills section data with 0xDEADBEEF and segment data not inside a section with 0xBAADDA7A. This results in yaml2obj generating a matching size object file. Any additional bytes in the file are zero'd.
This is a starting point for populating the remaining segment data, and provides a hex viewable file that you can easily see the missing data in.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270286
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Sanjay Patel [Fri, 20 May 2016 22:08:40 +0000 (22:08 +0000)]
add test vector sdiv
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270285
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Sanjay Patel [Fri, 20 May 2016 22:08:16 +0000 (22:08 +0000)]
add test for vector shift
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270284
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Justin Bogner [Fri, 20 May 2016 21:43:23 +0000 (21:43 +0000)]
SDAG: Implement Select instead of SelectImpl in PPCDAGToDAGISel
- Where we were returning a node before, call ReplaceNode instead.
- Where we would return null to fall back to another selector, rename
the method to try* and return a bool for success.
- Where we were calling SelectNodeTo, just return afterwards.
Part of llvm.org/pr26808.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270283
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Jacques Pienaar [Fri, 20 May 2016 21:41:53 +0000 (21:41 +0000)]
[lanai] Change reloc to use PIC_ by default and cleanup.
* Change reloc to PIC_;
* Cleanup (clang-format & modify test);
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270282
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Richard Smith [Fri, 20 May 2016 21:38:15 +0000 (21:38 +0000)]
Switch from the linux-specific 'struct sigaltstack' to POSIX's 'stack_t'. This
is what I get for trusting my system's man pages I suppose.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270280
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Richard Smith [Fri, 20 May 2016 21:26:00 +0000 (21:26 +0000)]
Add a configure-time check for the existence of sigaltstack. It seems that some
systems provide a <signal.h> that doesn't declare it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270278
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Richard Smith [Fri, 20 May 2016 21:18:12 +0000 (21:18 +0000)]
Reinstate r269992 (reverting r270267), but restricted to cases where glibc is
the C standard library implementation in use.
This works around a glibc bug in the backtrace() function where it fails to
produce a backtrace on x86_64 if libgcc / libunwind is statically linked.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270276
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Richard Smith [Fri, 20 May 2016 21:07:41 +0000 (21:07 +0000)]
Create a sigaltstack when we register our signal handlers. Otherwise we'd very
likely fail to produce a backtrace if we crash due to stack overflow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270273
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Michael Kuperstein [Fri, 20 May 2016 20:55:51 +0000 (20:55 +0000)]
Revert r270268 due to unused variable warnings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270272
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Sanjay Patel [Fri, 20 May 2016 20:55:17 +0000 (20:55 +0000)]
add tests for vector urem
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270271
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David Majnemer [Fri, 20 May 2016 20:41:24 +0000 (20:41 +0000)]
Address post-review for r270246
This gets rid of some unnecessary SmallStrings in
X86TargetMachine::getSubtargetImpl.
No functionality change is intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270270
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Adrian Prantl [Fri, 20 May 2016 20:36:06 +0000 (20:36 +0000)]
dsymutil/modules: Reword the warning for static libraries without module caches
In addition to clarifying the warning message this contains a minor functional
change in that it now warns if the *immediate* parent directory in which the
missing PCM is expected to be isn't found.
This patch also includes a more comprehensive testcase.
rdar://problem/
25860711
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270269
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Michael Kuperstein [Fri, 20 May 2016 20:26:50 +0000 (20:26 +0000)]
[BasicAA] Turn DecomposeGEPExpression runtime checks into asserts.
When it has a DataLayout, DecomposeGEPExpression() should return the same object
as GetUnderlyingObject(). Per the FIXME, it currently always has a DL, so the
runtime check is redundant and can become an assert.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270268
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Chris Bieneman [Fri, 20 May 2016 20:15:17 +0000 (20:15 +0000)]
Revert "Work around a glibc bug: backtrace() spuriously fails if..."
This commit has been breaking the FreeBSD bots:
http://lab.llvm.org:8011/builders/lld-x86_64-freebsd
This reverts commit r269992.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270267
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Sanjay Patel [Fri, 20 May 2016 20:07:18 +0000 (20:07 +0000)]
use FileCheck instead of grep for exact checking
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270265
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Derek Bruening [Fri, 20 May 2016 20:00:05 +0000 (20:00 +0000)]
[esan] Use ModulePass for EfficiencySanitizerPass.
Summary:
Uses ModulePass instead of FunctionPass for EfficiencySanitizerPass to
better support global variable creation for a forthcoming struct field
counter tool.
Patch by Qin Zhao.
Reviewers: aizatsky
Subscribers: llvm-commits, eugenis, vitalybuka, bruening, kcc
Differential Revision: http://reviews.llvm.org/D20458
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270263
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Rui Ueyama [Fri, 20 May 2016 19:55:17 +0000 (19:55 +0000)]
pdbdump: print out symbol names referred by publics stream.
DBI stream contains a stream number of the symbol record stream.
Symbol record streams is an array of length-type-value members.
Each member represents one symbol.
Publics stream contains offsets to the symbol record stream.
This patch is to print out all symbols that are referenced by
the publics stream.
Note that even with this patch, llvm-pdbdump cannot dump all the
information in a publics stream since it contains more information
than symbol names. I'll improve it in followup patches.
Differential Revision: http://reviews.llvm.org/D20480
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270262
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Krzysztof Parzyszek [Fri, 20 May 2016 19:46:42 +0000 (19:46 +0000)]
Use report_fatal_error after all
Depending on the compiler used to build LLVM, llvm_unreachable can either
expand to a call to abort(), or to a __builtin_unreachable. The latter
does not have a predictable behavior at runtime.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@270260
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