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David Majnemer [Wed, 15 Jun 2016 16:47:23 +0000 (16:47 +0000)]
[TargetLibraryInfo] Teach isValidProtoForLibFunc about tan
We would fail to validate the type of the tan function which would cause
downstream users of isValidProtoForLibFunc to assert.
This fixes PR28143.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272802
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Kevin B. Smith [Wed, 15 Jun 2016 16:37:46 +0000 (16:37 +0000)]
[X86]: Quit promoting 8 and 16 bit compares to 32 bit.
Differential Revision: http://reviews.llvm.org/D21144
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272801
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Nirav Dave [Wed, 15 Jun 2016 16:08:50 +0000 (16:08 +0000)]
Revert "Preserve DebugInfo when replacing values in DAGCombiner"
Reverting due to assertion failure in
lib/CodeGen/SelectionDAG/InstrEmitter.cpp
This reverts commit r272792.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272799
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Kevin B. Smith [Wed, 15 Jun 2016 16:03:06 +0000 (16:03 +0000)]
[X86]: Improve Liveness checking for X86FixupBWInsts.cpp
Differential Revision: http://reviews.llvm.org/D21085
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272797
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Adam Nemet [Wed, 15 Jun 2016 15:49:46 +0000 (15:49 +0000)]
[LV] Add getter function for LoopVectorizationLegality::Strides. NFC
This should help moving Strides to LAA later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272796
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Vasileios Kalintiris [Wed, 15 Jun 2016 15:30:07 +0000 (15:30 +0000)]
[mips] Eliminate unused code for addrRegReg complex pattern. NFC.
Reviewers: dsanders, sdardis
Subscribers: dsanders, sdardis, llvm-commits
Differential Revision: http://reviews.llvm.org/D21381
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272794
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Aaron Ballman [Wed, 15 Jun 2016 15:27:53 +0000 (15:27 +0000)]
Add llvm_unreachable to silence a "not all control paths" false positive warning from MSVC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272793
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Nirav Dave [Wed, 15 Jun 2016 14:50:08 +0000 (14:50 +0000)]
Preserve DebugInfo when replacing values in DAGCombiner
[DAG] Previously debug values would transfer debuginfo for the selected
start node for a replacement which allows for debug to be dropped.
Push debug value transfer to occur with node/value replacement in
SelectionDAG, remove now extraneous transfers of debug values.
This refixes PR9817 which was being incompletely checked in the
testsuite.
Reviewers: jyknight
Subscribers: dblaikie, llvm-commits
Differential Revision: http://reviews.llvm.org/D21037
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272792
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Ranjeet Singh [Wed, 15 Jun 2016 14:23:29 +0000 (14:23 +0000)]
Reverting r272778 because there's an assertion
failure when running the test CodeGen/ARM/intrinsics-coprocessor.ll
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272791
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Craig Topper [Wed, 15 Jun 2016 14:06:28 +0000 (14:06 +0000)]
[AVX512] Remove the GCCBuiltins from the mask pcmpeq/pcmpgt intrinsics so we can emit native IR from clang.
The intrinsics themselves can be removed in a future commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272786
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Valery Pykhtin [Wed, 15 Jun 2016 13:55:09 +0000 (13:55 +0000)]
[AMDGPU] Fix few coding style issues. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272785
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Simon Dardis [Wed, 15 Jun 2016 13:49:58 +0000 (13:49 +0000)]
[mips] Missing test case
Add missing testcase from r272666.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272784
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Adam Nemet [Wed, 15 Jun 2016 12:26:15 +0000 (12:26 +0000)]
[LV] Remove more unused functions. NFC
LoopVectorizationLegality::strides_begin/end are also unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272781
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Adam Nemet [Wed, 15 Jun 2016 12:26:11 +0000 (12:26 +0000)]
[LV] Remove unused function. NFC
LoopVectorizationLegality::mustCheckStrides is unused.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272780
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Ranjeet Singh [Wed, 15 Jun 2016 11:32:24 +0000 (11:32 +0000)]
[ARM] Add support for mrrc/mrrc2 intrinsics.
Differential Revision: http://reviews.llvm.org/D21178
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272778
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Sean Silva [Wed, 15 Jun 2016 10:51:40 +0000 (10:51 +0000)]
Work around MSVC "friend" semantics.
The error on clang-x86-win2008-selfhost is:
C:\buildbot\slave-config\clang-x86-win2008-selfhost\llvm\lib\Transforms\Vectorize\SLPVectorizer.cpp(955) : error C2248: 'llvm::slpvectorizer::BoUpSLP::ScheduleData' : cannot access private struct declared in class 'llvm::slpvectorizer::BoUpSLP'
C:\buildbot\slave-config\clang-x86-win2008-selfhost\llvm\lib\Transforms\Vectorize\SLPVectorizer.cpp(608) : see declaration of 'llvm::slpvectorizer::BoUpSLP::ScheduleData'
C:\buildbot\slave-config\clang-x86-win2008-selfhost\llvm\lib\Transforms\Vectorize\SLPVectorizer.cpp(337) : see declaration of 'llvm::slpvectorizer::BoUpSLP'
I reproduced this locally with both MSVC 2013 and MSVC 2015.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272772
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Daniel Sanders [Wed, 15 Jun 2016 10:36:16 +0000 (10:36 +0000)]
[mips] Replace AdditionalRequires<[IsGP64bit]> with GPR_64. NFC.
Summary: Also fixed one case where HasMips64 was being used instead of IsGP64bit.
Reviewers: sdardis
Subscribers: dsanders, llvm-commits, sdardis
Differential Revision: http://reviews.llvm.org/D21028
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272771
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Patrik Hagglund [Wed, 15 Jun 2016 10:32:00 +0000 (10:32 +0000)]
Use FPasses in opt exactly when it is initialized.
Previously, there was a discrepancy between the population of function
passes in FPasses, and their invocation. Function passes specified on
the command line, after an optimizaton level was simply discared. This
fix PR27509.
Patch by Jesper Antonsson.
Differential Review: http://reviews.llvm.org/D20725
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272770
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Daniel Sanders [Wed, 15 Jun 2016 09:47:27 +0000 (09:47 +0000)]
[mips] Removed invalid test from o32_cc.ll
MIPS32R1 cannot implement a 64-bit FPU because this was introduced in MIPS32R2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272769
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Daniel Sanders [Wed, 15 Jun 2016 09:44:22 +0000 (09:44 +0000)]
[mips] clang-format Mips16ISelDAGToDAG.{cpp,h}
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272768
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Sean Silva [Wed, 15 Jun 2016 09:00:33 +0000 (09:00 +0000)]
Speculative buildbot fix.
This wasn't failing for me with clang as the compiler. I think GCC may
disagree with clang about whether a friend declaration introduces a
declaration in the enclosing namespace (or something).
Example error:
/home/uweigand/sandbox/buildbot/clang-s390x-linux/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:950:77: error: ‘llvm::raw_ostream& llvm::slpvectorizer::operator<<(llvm::raw_ostream&, const llvm::slpvectorizer::BoUpSLP::ScheduleData&)’ should have been declared inside ‘llvm::slpvectorizer’
const BoUpSLP::ScheduleData &SD) {
^
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272767
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Sean Silva [Wed, 15 Jun 2016 08:43:40 +0000 (08:43 +0000)]
[PM] Port SLPVectorizer to the new PM
This uses the "runImpl" approach to share code with the old PM.
Porting to the new PM meant abandoning the anonymous namespace enclosing
most of SLPVectorizer.cpp which is a bit of a bummer (but not a big deal
compared to having to pull the pass class into a header which the new PM
requires since it calls the constructor directly).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272766
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Daniel Sanders [Wed, 15 Jun 2016 08:43:23 +0000 (08:43 +0000)]
[mips][msa] Fix register/register-class mismatches in emitINSERT_DF_VIDX().
Reviewers: sdardis
Subscribers: dsanders, sdardis, llvm-commits
Differential Revision: http://reviews.llvm.org/D21068
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272765
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Zlatko Buljan [Wed, 15 Jun 2016 07:46:24 +0000 (07:46 +0000)]
[mips][microMIPS] Add CodeGen support for AND*, OR16, OR*, XOR*, NOT16 and NOR instructions
Differential Revision: http://reviews.llvm.org/D16719
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272764
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Igor Breger [Wed, 15 Jun 2016 07:30:38 +0000 (07:30 +0000)]
[AVX512] Fix BLENDM lowering patterns. Operands should be swapped to match SELECT behavior.
Use BLENDM instead of masked move instruction.
Differential Revision: http://reviews.llvm.org/D21001
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272763
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Sanjoy Das [Wed, 15 Jun 2016 07:27:04 +0000 (07:27 +0000)]
Push a dependent computation into the assert that uses it; NFC
... instead of explicitly conditioning on NDEBUG. Also use an easier to
read conditional expression.
(Addresses post-commit review from David Blaikie.)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272762
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Nicolai Haehnle [Wed, 15 Jun 2016 07:13:05 +0000 (07:13 +0000)]
AMDGPU: Fix MUBUF offset bugs affecting llvm.amdgcn.buffer.* intrinsics
Summary:
This fixes two related bugs. First, the generic optimization passes
unfortunately generate negative constant offsets but the hardware treats
SOffset as an unsigned value.
Second, there is a hardware bug on SI and CI, where address clamping in MUBUF
instructions does not work correctly when SOffset is larger than the buffer
size. This patch works around this bug by never using SOffset.
An alternative workaround would be to do the clamping manually when SOffset
is too large, but generating the required code sequence during instruction
selection would be rather involved, and in any case the resulting code would
probably be worse.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96360
Reviewers: arsenm, tstellarAMD
Subscribers: arsenm, llvm-commits, kzhuravl
Differential Revision: http://reviews.llvm.org/D21326
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272761
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Sanjoy Das [Wed, 15 Jun 2016 06:53:59 +0000 (06:53 +0000)]
Fix unused variable warning; NFC
TailCallReturnAddrDelta is used only in an assert, so put it under
defined(NDEBUG).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272760
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Sanjoy Das [Wed, 15 Jun 2016 06:53:55 +0000 (06:53 +0000)]
[SCEV] Use dyn_cast<T> instead of dyn_cast<const T>; NFC
The const is unnecessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272759
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Sanjoy Das [Wed, 15 Jun 2016 06:53:51 +0000 (06:53 +0000)]
[SCEV] Use cast<> instead of dyn_cast; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272758
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Sean Silva [Wed, 15 Jun 2016 06:18:01 +0000 (06:18 +0000)]
[PM] Port AlignmentFromAssumptions to the new PM.
This uses the "runImpl" pattern to share code between the old and new PM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272757
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Sanjoy Das [Wed, 15 Jun 2016 05:35:14 +0000 (05:35 +0000)]
Don't force SP-relative addressing for statepoints
Summary:
... when the offset is not statically known.
Prioritize addresses relative to the stack pointer in the stackmap, but
fallback gracefully to other modes of addressing if the offset to the
stack pointer is not a known constant.
Patch by Oscar Blumberg!
Reviewers: sanjoy
Subscribers: llvm-commits, majnemer, rnk, sanjoy, thanm
Differential Revision: http://reviews.llvm.org/D21259
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272756
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Amaury Sechet [Wed, 15 Jun 2016 05:14:29 +0000 (05:14 +0000)]
Add support for callsite in the new C API for attributes
Summary: The second consumer of attributes.
Reviewers: Wallbraker, whitequark, echristo, rafael, jyknight
Subscribers: mehdi_amini
Differential Revision: http://reviews.llvm.org/D21266
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272754
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Sanjoy Das [Wed, 15 Jun 2016 04:37:50 +0000 (04:37 +0000)]
[SCEV] clang-format some sections
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272753
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Sanjoy Das [Wed, 15 Jun 2016 04:37:47 +0000 (04:37 +0000)]
[SCEV] Change the interface for SolveQuadraticEquation; NFC
Use Optional<T> to denote the absence of a solution, not
SCEVCouldNotCompute. This makes the usage of SolveQuadraticEquation
somewhat simpler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272752
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Tom Stellard [Wed, 15 Jun 2016 03:09:39 +0000 (03:09 +0000)]
AMDGPU/SI: Correctly encode constant expressions
Summary:
We we have an MCConstantExpr, we can encode it directly into the instruction
instead of emitting fixups.
Reviewers: artem.tamazov, vpykhtin, SamWot, nhaustov, arsenm
Subscribers: arsenm, llvm-commits, kzhuravl
Differential Revision: http://reviews.llvm.org/D21236
Change-Id: I88b3edf288d48e65c5d705fc4850d281f8e36948
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272750
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Xinliang David Li [Wed, 15 Jun 2016 03:03:30 +0000 (03:03 +0000)]
[MBP] add comments and bug fix
Document the new parameter and threshod computation
model. Also fix a bug when the threshold parameter
is set to be different from the default.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272749
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Tom Stellard [Wed, 15 Jun 2016 02:54:14 +0000 (02:54 +0000)]
AMDGPU/AsmParser: Add support for parsing symbol operands
Summary:
We can now reference symbols directly in operands, like this:
s_mov_b32 s0, global
Reviewers: artem.tamazov, vpykhtin, SamWot, nhaustov
Subscribers: arsenm, llvm-commits, kzhuravl
Differential Revision: http://reviews.llvm.org/D21038
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272748
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Dan Liew [Wed, 15 Jun 2016 01:40:02 +0000 (01:40 +0000)]
[LibFuzzer] Fix ``FuzzerMutate.ShuffleBytes2`` unit test on OSX.
The ``FuzzerMutate.ShuffleBytes2`` unit test was failing on
OSX due to the implementation of ``std::random_shuffle()``
being different between libcxx and libstdc++.
@kcc has decided (see http://reviews.llvm.org/D21218) it is acceptable
for there to be different mutation behavior on different platforms so
this commit just adjusts the test to perform the minimum number of
iterations (that is a power of 2) to see all the mutations the unit test
is looking for.
Differential Revision: http://reviews.llvm.org/D21359
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272743
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Michael Kuperstein [Wed, 15 Jun 2016 00:35:26 +0000 (00:35 +0000)]
Recommit [LV] Enable vectorization of loops where the IV has an external use
r272715 broke libcxx because it did not correctly handle cases where the
last iteration of one IV is the second-to-last iteration of another.
Original commit message:
Vectorizing loops with "escaping" IVs has been disabled since r190790, due to
PR17179. This re-enables it, with support for external use of both
"post-increment" (last iteration) and "pre-increment" (second-to-last iteration)
IVs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272742
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Matt Arsenault [Wed, 15 Jun 2016 00:25:09 +0000 (00:25 +0000)]
Make DetectDeadLanes preserve CFG
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272740
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David Majnemer [Wed, 15 Jun 2016 00:19:56 +0000 (00:19 +0000)]
[LoopUnroll] Don't crash trying to unroll loop with EH pad exit
We do not support splitting cleanuppad or catchswitches. This is
problematic for passes which assume that a loop is in loop simplify
form (the loop would have a dedicated exit block instead of sharing it).
While it isn't great that we don't support this for cleanups, we still
cannot make loop-simplify form an assertable precondition because
indirectbr will also disable these sorts of CFG cleanups.
This fixes PR28132.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272739
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David Majnemer [Wed, 15 Jun 2016 00:19:52 +0000 (00:19 +0000)]
[CodeView] Don't emit debuginfo for imported symbols
Emitting symbol information requires us to have a definition for the
symbol. A symbol reference is insufficient.
This fixes PR28123.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272738
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David Majnemer [Wed, 15 Jun 2016 00:19:09 +0000 (00:19 +0000)]
Remove the ScalarReplAggregates pass
Nearly all the changes to this pass have been done while maintaining and
updating other parts of LLVM. LLVM has had another pass, SROA, which
has superseded ScalarReplAggregates for quite some time.
Differential Revision: http://reviews.llvm.org/D21316
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272737
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Matt Arsenault [Wed, 15 Jun 2016 00:11:01 +0000 (00:11 +0000)]
AMDGPU: Run pointer optimization passes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272736
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Peter Collingbourne [Tue, 14 Jun 2016 23:13:15 +0000 (23:13 +0000)]
Verifier: check that functions have at most a single !prof attachment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272734
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Xinliang David Li [Tue, 14 Jun 2016 23:05:46 +0000 (23:05 +0000)]
Fix a test case to match its intention
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272733
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Amaury Sechet [Tue, 14 Jun 2016 22:30:50 +0000 (22:30 +0000)]
Remove unused import. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272731
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Michael Kuperstein [Tue, 14 Jun 2016 22:30:41 +0000 (22:30 +0000)]
Reverting r272715 since it broke libcxx.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272730
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Dehao Chen [Tue, 14 Jun 2016 22:27:17 +0000 (22:27 +0000)]
Set machine block placement hot prob threshold for both static and runtime profile.
Summary: With runtime profile, we have more confidence in branch probability, thus during basic block layout, we set a lower hot prob threshold so that blocks can be layouted optimally.
Reviewers: djasper, davidxl
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D20991
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272729
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Rui Ueyama [Tue, 14 Jun 2016 22:25:07 +0000 (22:25 +0000)]
[pdbdump] Verify TPI hash for LF_ENUM type records.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272728
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Amaury Sechet [Tue, 14 Jun 2016 22:23:29 +0000 (22:23 +0000)]
Fix list of deprecated C API attribute functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272727
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Vitaly Buka [Tue, 14 Jun 2016 22:09:00 +0000 (22:09 +0000)]
Revert "Enable libFuzzer's afl_driver to append stderr to a file."
Crashes with AddressSanitizer: SEGV on unknown address
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-fuzzer/builds/9924/steps/annotate/logs/stdio
This reverts commit r272706.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272726
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Amaury Sechet [Tue, 14 Jun 2016 22:04:16 +0000 (22:04 +0000)]
Rename AttributeSetImpl::NumAttrs and AttributeSetImpl::getNumAttributes to reflect that they work on slots rather than attributes. NFC
Summary: The current naming not only doesn't convey the meaning of what this does, but worse, it convey the wrong meaning. This was a major source of confusion understanding the code, so I'm applying the boy scout rule here and making it better after I leave.
Reviewers: void, bkramer, whitequark
Differential Revision: http://reviews.llvm.org/D21264
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272725
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Davide Italiano [Tue, 14 Jun 2016 21:44:19 +0000 (21:44 +0000)]
[PM] Port WholeProgramDevirt to the new pass manager.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272721
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Michael Kuperstein [Tue, 14 Jun 2016 21:27:27 +0000 (21:27 +0000)]
[LV] Enable vectorization of loops where the IV has an external use
Vectorizing loops with "escaping" IVs has been disabled since r190790, due to
PR17179. This re-enables it, with support for external use of both
"post-increment" (last iteration) and "pre-increment" (second-to-last iteration)
IVs.
Differential Revision: http://reviews.llvm.org/D21048
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272715
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Sanjay Patel [Tue, 14 Jun 2016 21:25:46 +0000 (21:25 +0000)]
[x86] add current codegen tests for PR27924
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272714
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Evgeniy Stepanov [Tue, 14 Jun 2016 21:24:13 +0000 (21:24 +0000)]
Add a missing test.
This is a test for r272421: Disable MSan-hostile loop unswitching.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272713
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Geoff Berry [Tue, 14 Jun 2016 21:19:40 +0000 (21:19 +0000)]
[MemorySSA] Set CFGOnly correctly for MemorySSAWrapperPass
Subscribers: mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D21344
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272712
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Peter Collingbourne [Tue, 14 Jun 2016 21:01:22 +0000 (21:01 +0000)]
IR: Introduce local_unnamed_addr attribute.
If a local_unnamed_addr attribute is attached to a global, the address
is known to be insignificant within the module. It is distinct from the
existing unnamed_addr attribute in that it only describes a local property
of the module rather than a global property of the symbol.
This attribute is intended to be used by the code generator and LTO to allow
the linker to decide whether the global needs to be in the symbol table. It is
possible to exclude a global from the symbol table if three things are true:
- This attribute is present on every instance of the global (which means that
the normal rule that the global must have a unique address can be broken without
being observable by the program by performing comparisons against the global's
address)
- The global has linkonce_odr linkage (which means that each linkage unit must have
its own copy of the global if it requires one, and the copy in each linkage unit
must be the same)
- It is a constant or a function (which means that the program cannot observe that
the unique-address rule has been broken by writing to the global)
Although this attribute could in principle be computed from the module
contents, LTO clients (i.e. linkers) will normally need to be able to compute
this property as part of symbol resolution, and it would be inefficient to
materialize every module just to compute it.
See:
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-
20160509/356401.html
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-
20160516/356738.html
for earlier discussion.
Part of the fix for PR27553.
Differential Revision: http://reviews.llvm.org/D20348
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272709
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Zachary Turner [Tue, 14 Jun 2016 20:48:36 +0000 (20:48 +0000)]
Resubmit "[pdb] Actually write a PDB to disk from YAML.""
Reviewed By: ruiu
Differential Revision: http://reviews.llvm.org/D21220
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272708
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Vitaly Buka [Tue, 14 Jun 2016 20:42:05 +0000 (20:42 +0000)]
Enable libFuzzer's afl_driver to append stderr to a file.
Summary:
[libFuzzer] Enable afl_driver to append stderr to a user specified file.
Append stderr of afl_driver to the file specified by the environmental variable
AFL_DRIVER_STDERR_DUPLICATE_FILENAME if it is set. This lets users see outputs
on crashes without rerunning crashing test cases (which won't work for crashes
that are difficult to reproduce). Before this patch, stderr would only be sent to afl-fuzz
and users would have no way of seeing it.
Reviewers: llvm-commits, aizatsky, kcc, vitalybuka
Subscribers: vitalybuka
Differential Revision: http://reviews.llvm.org/D21194
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272706
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Tom Stellard [Tue, 14 Jun 2016 20:29:59 +0000 (20:29 +0000)]
AMDGPU/SI: Refactor fixup handling for constant addrspace variables
Summary:
We now use a standard fixup type applying the pc-relative address of
constant address space variables, and we have the GlobalAddress lowering
code add the required 4 byte offset to the global address rather than
doing it as part of the fixup.
This refactoring will make it easier to use the same code for global
address space variables and also simplifies the code.
Re-commit this after fixing a bug where we were trying to use a
reference to a Triple object that had already been destroyed.
Reviewers: arsenm, kzhuravl
Subscribers: arsenm, kzhuravl, llvm-commits
Differential Revision: http://reviews.llvm.org/D21154
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272705
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Amaury Sechet [Tue, 14 Jun 2016 20:27:35 +0000 (20:27 +0000)]
Make sure attribute kind and attributes are named respectively Kind and Attr consistently. Historically they used to be the same the terminology is very confused in the codebase. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272704
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Sanjoy Das [Tue, 14 Jun 2016 20:23:16 +0000 (20:23 +0000)]
[ValueTracking] Calls to @llvm.assume always return
This change teaches llvm::isGuaranteedToTransferExecutionToSuccessor
that calls to @llvm.assume always terminate. Most other relevant
intrinsics should be covered by the "CS.onlyReadsMemory() ||
CS.onlyAccessesArgMemory()" bit but we were missing @llvm.assumes
because we state that it clobbers memory.
Added an LICM test case, but this change is not specific to LICM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272703
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Geoff Berry [Tue, 14 Jun 2016 19:40:10 +0000 (19:40 +0000)]
[TailDuplication] Split up NumInstrDups statistic.
Summary:
Split NumInstrDups statistic into separate added/removed counts to avoid
negative stat being printed as unsigned.
Subscribers: mcrosier, llvm-commits
Differential Revision: http://reviews.llvm.org/D21335
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272700
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Dan Liew [Tue, 14 Jun 2016 19:15:13 +0000 (19:15 +0000)]
[LibFuzzer] Disable the ``fuzzer-trace-pc.test`` test on non-linux platforms.
On OSX this test sometimes fails due to the
``LLVMFuzzer-FullCoverageSetTest-TracePC`` program going over the
default 2GiB memory limit. This shouldn't be happening and needs
investigating. For now just disable the test so we can set up an
OSX buildbot.
Differential Revision: http://reviews.llvm.org/D21319
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272696
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Wei Mi [Tue, 14 Jun 2016 18:53:20 +0000 (18:53 +0000)]
[X86] Reduce the width of multiplification when its operands are extended from i8 or i16
For <N x i32> type mul, pmuludq will be used for targets without SSE41, which
often introduces many extra pack and unpack instructions in vectorized loop
body because pmuludq generates <N/2 x i64> type value. However when the operands
of <N x i32> mul are extended from smaller size values like i8 and i16, the type
of mul may be shrunk to use pmullw + pmulhw/pmulhuw instead of pmuludq, which
generates better code. For targets with SSE41, pmulld is supported so no
shrinking is needed.
Differential Revision: http://reviews.llvm.org/D20931
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272694
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Zachary Turner [Tue, 14 Jun 2016 18:51:35 +0000 (18:51 +0000)]
Revert "[pdb] Actually write a PDB to disk from YAML."
This reverts commit
879139e1c6577b09df52de56a6bab856a19ed185.
This was committed accidentally when I blindly typed git svn
dcommit instead of the command to generate a patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272693
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Zachary Turner [Tue, 14 Jun 2016 18:49:36 +0000 (18:49 +0000)]
[pdb] Actually write a PDB to disk from YAML.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272692
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George Burgess IV [Tue, 14 Jun 2016 18:12:28 +0000 (18:12 +0000)]
[CFLAA] Tag arguments as escaped instead of unknown.
This patch also includes some refactoring.
Prior to this patch, we tagged all CFLAA attributes as unknown. This is
suboptimal, since it meant that any Value used as an argument would be
considered to alias any other Value that existed.
Now that we have the machinery to tag sets below the set for an
arbitrary value with attributes, it's okay to be less conservative with
arguments. (Specifically, we still tag the set under an argument with
unknown).
Patch by Jia Chen.
Differential Revision: http://reviews.llvm.org/D21262
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272690
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George Burgess IV [Tue, 14 Jun 2016 18:02:27 +0000 (18:02 +0000)]
[CFLAA] Refactor graph-building code. NFC.
This patch refactors CFLAA's graph building code. This makes keeping
track of common state (TargetLibraryInfo, ...) easier.
Patch by Jia Chen.
Differential Revision: http://reviews.llvm.org/D21261
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272688
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Konstantin Zhuravlyov [Tue, 14 Jun 2016 17:20:29 +0000 (17:20 +0000)]
[docs] Update AMDGPU relocation information
- Added new notation for specifying relocation calculation
- Renamed:
- R_AMDGPU_32_LOW -> R_AMDGPU_ABS32_LO
- R_AMDGPU_32_HIGH -> R_AMDGPU_ABS32_HI
- R_AMDGPU_64 -> R_AMDGPU_ABS64
- Added:
- R_AMDGPU_REL32
- R_AMDGPU_REL64
- R_AMDGPU_ABS32
- Updated calculations for relative relocations
Differential Revision: http://reviews.llvm.org/D21215
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272684
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Daniel Sanders [Tue, 14 Jun 2016 16:42:05 +0000 (16:42 +0000)]
[FileCheck] Document --check-prefixes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272683
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Hans Wennborg [Tue, 14 Jun 2016 16:05:12 +0000 (16:05 +0000)]
Fix some typos in the Kaleidoscope tutorial (PR28120)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272681
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Tom Stellard [Tue, 14 Jun 2016 15:16:35 +0000 (15:16 +0000)]
Revert "AMDGPU/SI: Refactor fixup handling for constant addrspace variables"
This reverts commit r272675.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272677
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Tom Stellard [Tue, 14 Jun 2016 15:11:01 +0000 (15:11 +0000)]
AMDGPU/SI: Refactor fixup handling for constant addrspace variables
Summary:
We now use a standard fixup type applying the pc-relative address of
constant address space variables, and we have the GlobalAddress lowering
code add the required 4 byte offset to the global address rather than
doing it as part of the fixup.
This refactoring will make it easier to use the same code for global
address space variables and also simplifies the code.
Reviewers: arsenm, kzhuravl
Subscribers: arsenm, kzhuravl, llvm-commits
Differential Revision: http://reviews.llvm.org/D21154
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272675
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Nirav Dave [Tue, 14 Jun 2016 15:09:30 +0000 (15:09 +0000)]
Fix BSS global handling in AsmPrinter
Change EmitGlobalVariable to check final assembler section is in BSS
before using .lcomm/.comm directive. This prevents globals from being
put into .bss erroneously when -data-sections is used.
This fixes PR26570.
Reviewers: echristo, rafael
Subscribers: llvm-commits, mehdi_amini
Differential Revision: http://reviews.llvm.org/D21146
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272674
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Artem Tamazov [Tue, 14 Jun 2016 15:03:59 +0000 (15:03 +0000)]
[AMDGPU][llvm-mc] Predefined symbols to access -mcpu from the assembly source (.option.machine_version...)
The feature allows for conditional assembly etc.
TODO: make those symbols read-only.
Test added.
Differential Revision: http://reviews.llvm.org/D21238
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272673
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Sebastian Pop [Tue, 14 Jun 2016 14:44:05 +0000 (14:44 +0000)]
LoopRotate: restructure code to simplify functions
We move the loop rotate functions in a separate class to avoid passing multiple
parameters to each function. This cleanup will help with further development of
loop rotation. NFC.
Patch written by Aditya Kumar and Sebastian Pop.
Differential Revision: http://reviews.llvm.org/D21311
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272672
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Daniel Sanders [Tue, 14 Jun 2016 14:28:04 +0000 (14:28 +0000)]
[FileCheck] Add --check-prefixes as a shorthand for multiple --check-prefix options.
Summary:
This new alias takes a comma separated list of prefixes which allows
'--check-prefix=A --check-prefix=B --check-prefix=C' to be written as
'--check-prefixes=A,B,C'.
Reviewers: probinson
Subscribers: probinson, llvm-commits, dsanders
Differential Revision: http://reviews.llvm.org/D21293
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272670
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Simon Dardis [Tue, 14 Jun 2016 13:39:43 +0000 (13:39 +0000)]
[mips] Optimize stack pointer adjustments.
Instead of always using addu to adjust the stack pointer when the
size out is of the range of an addiu instruction, use subu so that
a smaller constant can be generated.
This can give savings of ~3 instructions whenever a function has a
a stack frame whose size is out of range of an addiu instruction.
This change may break some naive stack unwinders.
Partially resolves PR/26291.
Thanks to David Chisnall for reporting the issue.
Reviewers: dsanders, vkalintiris
Differential Review: http://reviews.llvm.org/D21321
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272666
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James Molloy [Tue, 14 Jun 2016 13:33:07 +0000 (13:33 +0000)]
[Thumb] Fix off-by-one error in r272007
We can only generate immediates up to #510 with a MOV+ADD, not #511, because there's no such instruction as add #256.
Found by Oliver Stannard and csmith!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272665
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Nicolai Haehnle [Tue, 14 Jun 2016 13:14:53 +0000 (13:14 +0000)]
AMDGPU: mark {exp,log}10{,f,l} library functions as unavailable
Summary:
The SimplifyLibCalls part of InstCombine generates calls to those otherwise.
I wonder if at some point we shouldn't just call disableAllFunctions() and
then enable functions on a whitelist basis...
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96495
Reviewers: arsenm, tstellarAMD
Subscribers: llvm-commits, kzhuravl
Differential Revision: http://reviews.llvm.org/D21282
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272664
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Chad Rosier [Tue, 14 Jun 2016 12:47:18 +0000 (12:47 +0000)]
[MergedLoadStoreMotion] Before quering AA verify the loads are the same.
Basicaa stats show the number of queries in Spec2k6 are reduced by 4540
or ~.67% overall.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272661
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Rafael Espindola [Tue, 14 Jun 2016 12:45:33 +0000 (12:45 +0000)]
Add a Musl environment to the triple.
It will be used in clang.
Patch by Lei Zhang.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272660
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Simon Dardis [Tue, 14 Jun 2016 11:29:28 +0000 (11:29 +0000)]
[mips][atomics] Fix atomic instruction descriptions and uses.
PR27458 highlights that the MIPS backend does not have well formed
MIR for atomic operations (among other errors).
This patch adds expands and corrects the LL/SC descriptions and uses
for MIPS(64).
Reviewers: dsanders, vkalintiris
Differential Review: http://reviews.llvm.org/D19719
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272655
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Daniel Sanders [Tue, 14 Jun 2016 10:13:47 +0000 (10:13 +0000)]
[mips][ias] Implement one N32 case (of two) for .cpsetup.
This patch implements the N32 case where -mno-shared is in effect. The case
where -mshared is in effect will be added later since doing that now requires
additional changes to how we handle %hi(%neg(%gp_rel(foo))) expressions to
emit the three relocations as three relocations (currently only one of the
three would be emitted) which then requires further changes to our MCFixup
handling.
While we could fix both cases together, fixing the -mno-shared case allows us
to fix the ELFCLASS bug (where N32 incorrectly uses ELFCLASS64 instead of
ELFCLASS32) in a way that allows cpsetup.s to check for a correct output instead
of another incorrect output.
Reviewers: sdardis
Subscribers: dsanders, llvm-commits, sdardis
Differential Revision: http://reviews.llvm.org/D21131
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272652
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Simon Pilgrim [Tue, 14 Jun 2016 09:43:38 +0000 (09:43 +0000)]
[X86][SSE4A] Added patterns for nontemporal stores of scalar float/doubles using MOVNTSD/MOVNTSS
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272651
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Adam Nemet [Tue, 14 Jun 2016 09:39:01 +0000 (09:39 +0000)]
[LoopVer] Remove an assert that's redundant now. NFC
Ensuring that the PHI are all single-operand is not performed in the
second pass added by the previous pass. This removes the assert from
the first pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272650
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Adam Nemet [Tue, 14 Jun 2016 09:38:54 +0000 (09:38 +0000)]
[LoopVer] Update all existing PHIs in the exit block
We only used to add the edge from the cloned loop to PHIs that
corresponded to values defined by the loop. We need to do this for all
PHIs obviously since we need a PHI operand for each incoming edge.
This includes things like PHIs with a constant value or with values
defined before the original loop (see the testcases).
After the patch the PHIs are added to the exit block in two passes.
In the first pass we ensure there is a single-operand (LCSSA) PHI for
each value defined by the loop.
In the second pass we loop through each (single-operand) PHI and add the
value for the edge from the cloned loop. If the value is defined in the
loop we'll use the cloned instruction from the cloned loop.
Fixes PR28037
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272649
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Simon Dardis [Tue, 14 Jun 2016 09:35:29 +0000 (09:35 +0000)]
[mips] MIPS32/64 itineraries
Itineraries for some pre MIPSR6 and EVA instructions. Some pseudo expanded
instructions are marked as having no scheduling info.
Reviewers: dsanders, vkalintiris
Differential Review: http://reviews.llvm.org/D20418
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272648
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Daniel Sanders [Tue, 14 Jun 2016 09:29:46 +0000 (09:29 +0000)]
[mips][dsp] Fix use without def on DSPCtrl registers read by rddsp intrinsic.
Reviewers: sdardis
Subscribers: dsanders, sdardis, llvm-commits
Differential Revision: http://reviews.llvm.org/D21063
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272647
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Daniel Sanders [Tue, 14 Jun 2016 09:11:33 +0000 (09:11 +0000)]
[mips][msa] copyPhysReg() should not set RegState::Define on result of CTCMSA.
Summary:
The machine verifier reports 'Explicit operand marked as def' when it is
manually specified even though it agrees with the operand info.
Reviewers: sdardis
Subscribers: dsanders, sdardis, llvm-commits
Differential Revision: http://reviews.llvm.org/D21065
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272646
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Diana Picus [Tue, 14 Jun 2016 07:30:20 +0000 (07:30 +0000)]
[SelectionDAG] Remove exit-on-error flag from test (PR27765)
The exit-on-error flag in the ARM test is necessary in order to avoid an
unreachable in the DAGTypeLegalizer, when trying to expand a physical register.
We can also avoid this situation by introducing a bitcast early on, where the
invalid scalar-to-vector conversion is detected.
We also add a test for PowerPC, which goes through a similar code path in the
SelectionDAGBuilder.
Fixes PR27765.
Differential Revision: http://reviews.llvm.org/D21061
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272644
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Igor Breger [Tue, 14 Jun 2016 07:05:10 +0000 (07:05 +0000)]
re-generate the tests using the update_llc_test_checks.py script
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272643
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Davide Italiano [Tue, 14 Jun 2016 03:22:22 +0000 (03:22 +0000)]
[PM] Port Mem2Reg to the new pass manager.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272630
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Craig Topper [Tue, 14 Jun 2016 03:13:03 +0000 (03:13 +0000)]
[AVX512] Use AND32ri8 instead of AND32ri when anding with 1 to create single bit masks. This results in a smaller encoding.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272627
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Craig Topper [Tue, 14 Jun 2016 03:13:00 +0000 (03:13 +0000)]
[AVX512] Use MOVZX32 instead of MOVZ16 for loading single v8/v4/v2/v1 masks when KMOVB is not available. This has better behavior with respect to partial register stalls since it won't need to preserve the upper 16-bits of the GPR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272626
91177308-0d34-0410-b5e6-
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Craig Topper [Tue, 14 Jun 2016 03:12:54 +0000 (03:12 +0000)]
[AVX512] Add patterns for zero-extending a mask that use the def of KMOVW/KMOVB without going through an EXTRACT_SUBREG and a MOVZX.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272625
91177308-0d34-0410-b5e6-
96231b3b80d8