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Vedant Kumar [Thu, 15 Sep 2016 04:41:37 +0000 (04:41 +0000)]
[llvm-cov] Fix tests that aren't checking anything (NFC)
E.g the 'showProjectSummary' test contains some checks which can't fail
because they match themselves...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281578
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Kostya Serebryany [Thu, 15 Sep 2016 04:36:45 +0000 (04:36 +0000)]
[libFuzzer] implement print_pcs with trace-pc-guard. Change the trace-pc-guard heuristic for 8-bit counters to look more like in AFL (not that it's provable better, but the existin test preferes this heuristic)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281577
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Wei Mi [Thu, 15 Sep 2016 04:06:44 +0000 (04:06 +0000)]
Add a C++ unittest to test the fix for PR30213.
The test exercises the branch in scev expansion when the value in ValueOffsetPair
is a ptr and the offset is not divisible by the elem type size of value.
Differential Revision: https://reviews.llvm.org/D24088
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281575
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Justin Lebar [Thu, 15 Sep 2016 02:04:32 +0000 (02:04 +0000)]
[doc] [CUDA] Add sections about STL support and differences between nvcc and clang to CompileCudaWithLLVM.rst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281573
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Sanjoy Das [Thu, 15 Sep 2016 01:56:58 +0000 (01:56 +0000)]
[LangRef] Add a clarifying example for undef
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281570
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Kostya Serebryany [Thu, 15 Sep 2016 01:30:18 +0000 (01:30 +0000)]
[libFuzzer] add 8-bit counters to trace-pc-guard handler
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281568
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Sanjay Patel [Wed, 14 Sep 2016 23:38:56 +0000 (23:38 +0000)]
[InstCombine] refactor eq/ne cases in foldICmpUsingKnownBits() ; NFCI
The pattern matching and transforms are identical; the cmp predicate just changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281561
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Zachary Turner [Wed, 14 Sep 2016 23:17:08 +0000 (23:17 +0000)]
[pdb] Fix unit test compilation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281560
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Sanjay Patel [Wed, 14 Sep 2016 23:15:11 +0000 (23:15 +0000)]
[InstCombine] add vector tests for foldICmpUsingKnownBits()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281559
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Zachary Turner [Wed, 14 Sep 2016 23:00:16 +0000 (23:00 +0000)]
[pdb] Get rid of Data and RawData in CVType.
The `CVType` had two redundant fields which were confusing and
error-prone to fill out. By treating member records as a distinct
type from leaf records, we are able to simplify this quite a bit.
Reviewed By: rnk
Differential Revision: https://reviews.llvm.org/D24432
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281556
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Zachary Turner [Wed, 14 Sep 2016 23:00:02 +0000 (23:00 +0000)]
[pdb] Write TPI hash values to the TPI stream.
This completes being able to write all the interesting
values of a PDB TPI stream.
Reviewed By: rnk
Differential Revision: https://reviews.llvm.org/D24370
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281555
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Reid Kleckner [Wed, 14 Sep 2016 22:41:50 +0000 (22:41 +0000)]
[MC] Handle discardable COFF sections in assembly
Summary:
This fixes a dumpbin warning on objects produced by the MC assembler
when starting from text. All .debug$S sections are supposed to be marked
IMAGE_SCN_MEM_DISCARDABLE. The main, non-COMDAT .debug$S section had
this set, but any comdat ones were not being marked discardable because
there was no .section flag for it.
This change does two things:
- If the section name starts with .debug, implicitly mark the section as
discardable. This means we do the same thing as gas on .s files with
DWARF from GCC, which is important.
- Adds the 'D' flag to the .section directive on COFF to explicitly say
a section is discardable. We only emit this flag if the section name
does not start with .debug. This allows the user to explicitly tweak
their section flags without worrying about magic section names.
The only thing you can't do in this scheme is to create a
non-discardable section with a name starting with ".debug", but
hopefully users don't need that.
Reviewers: majnemer, rafael
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D24582
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281554
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Mehdi Amini [Wed, 14 Sep 2016 22:29:59 +0000 (22:29 +0000)]
Fix auto-upgrade of TBAA tags in Bitcode Reader
If TBAA is on an intrinsic and it gets upgraded, it'll delete the call
instruction that we collected in a vector. Even if we were to use
WeakVH, it'll drop the TBAA and we'll hit the assert on the upgrade
path.
r263673 gave a shot to make sure the TBAA upgrade happens before
intrinsics upgrade, but failed to account for all cases.
Instead of collecting instructions in a vector, this patch makes it
just upgrade the TBAA on the fly, because metadata are always
already loaded at this point.
Differential Revision: https://reviews.llvm.org/D24533
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281549
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Reid Kleckner [Wed, 14 Sep 2016 21:49:21 +0000 (21:49 +0000)]
Fix indentation in codeview code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281542
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Mehdi Amini [Wed, 14 Sep 2016 21:07:32 +0000 (21:07 +0000)]
[LTO] Move tests from test/tools to test/LTO, as they're testing the API functionalities (NFC)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281539
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Mehdi Amini [Wed, 14 Sep 2016 21:05:04 +0000 (21:05 +0000)]
[LTO] Fix commons handling
Previously the prevailing information was not honored, and commons
symbols could override a strong definition. This patch fixes it and
propose the following semantic for commons: the client should mark
as prevailing the commons that it expects the LTO implementation to
merge (i.e. take the maximum size and alignment).
It implies that commons are allowed to have multiple prevailing
definitions.
Differential Revision: https://reviews.llvm.org/D24545
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281538
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Mehdi Amini [Wed, 14 Sep 2016 21:04:59 +0000 (21:04 +0000)]
[ThinLTO] Add an option to llvm-lto to print some basic statistics for the index
Differential Revision: https://reviews.llvm.org/D24290
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281537
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Matt Arsenault [Wed, 14 Sep 2016 20:43:16 +0000 (20:43 +0000)]
Finish renaming remaining analyzeBranch functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281535
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Sanjoy Das [Wed, 14 Sep 2016 20:22:03 +0000 (20:22 +0000)]
[Stackmap] Added callsite counts to emitted function information.
Summary:
It was previously not possible for tools to use solely the stackmap
information emitted to reconstruct the return addresses of callsites in
the map, which is necessary to use the information to walk a stack. This
patch adds per-function callsite counts when emitting the stackmap
section in order to resolve the problem. Note that this slightly alters
the stackmap format, so external tools parsing these maps will need to
be updated.
**Problem Details:**
Records only store their offset from the beginning of the function they
belong to. While these records and the functions are output in program
order, it is not possible to determine where the end of one function's
records are without the callsite count when processing the records to
compute return addresses.
Patch by Kavon Farvardin!
Reviewers: atrick, ributzka, sanjoy
Subscribers: nemanjai
Differential Revision: https://reviews.llvm.org/D23487
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281532
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Sanjay Patel [Wed, 14 Sep 2016 20:21:28 +0000 (20:21 +0000)]
[x86] regenerate checks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281531
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Sanjay Patel [Wed, 14 Sep 2016 20:16:24 +0000 (20:16 +0000)]
[x86] regenerate checks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281529
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Evgeniy Stepanov [Wed, 14 Sep 2016 20:02:30 +0000 (20:02 +0000)]
Revert "[ARM] Promote small global constants to constant pools"
Breaks Android tests by introducing text relocations to ARM binaries.
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/25362/steps/run%20asan%20lit%20tests%20%5Barm%2Fbullhead-userdebug%2FMTC20F%5D/logs/stdio
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281526
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Sanjay Patel [Wed, 14 Sep 2016 19:42:03 +0000 (19:42 +0000)]
[x86] regenerate checks
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281523
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Davide Italiano [Wed, 14 Sep 2016 18:48:43 +0000 (18:48 +0000)]
[lib/LTO] Fix a typo. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281517
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Matt Arsenault [Wed, 14 Sep 2016 18:04:42 +0000 (18:04 +0000)]
Revert "AMDGPU: Use SOPK compare instructions"
Accidentally committed
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281514
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Matt Arsenault [Wed, 14 Sep 2016 18:03:53 +0000 (18:03 +0000)]
AMDGPU: Use SOPK compare instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281513
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Adrian Prantl [Wed, 14 Sep 2016 17:30:37 +0000 (17:30 +0000)]
Verifier: Mark orphaned DICompileUnits as a debug info failure.
This is a follow-up to r268778 that adds a couple of missing cases,
most notably orphaned compile units.
rdar://problem/
28193346
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281508
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Matt Arsenault [Wed, 14 Sep 2016 17:24:15 +0000 (17:24 +0000)]
Make analyzeBranch family of instruction names consistent
analyzeBranch was renamed to use lowercase first, rename
the related set to match.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281506
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Matt Arsenault [Wed, 14 Sep 2016 17:23:48 +0000 (17:23 +0000)]
AArch64: Use TTI branch functions in branch relaxation
The main change is to return the code size from
InsertBranch/RemoveBranch.
Patch mostly by Tim Northover
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281505
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Sanjay Patel [Wed, 14 Sep 2016 17:23:18 +0000 (17:23 +0000)]
[x86] fix formatting; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281504
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Etienne Bergeron [Wed, 14 Sep 2016 17:18:37 +0000 (17:18 +0000)]
[compiler-rt] Avoid instrumenting sanitizer functions
Summary:
Function __asan_default_options is called by __asan_init before the
shadow memory got initialized. Instrumenting that function may lead
to flaky execution.
As the __asan_default_options is provided by users, we cannot expect
them to add the appropriate function atttributes to avoid
instrumentation.
Reviewers: kcc, rnk
Subscribers: dberris, chrisha, llvm-commits
Differential Revision: https://reviews.llvm.org/D24566
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281503
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Simon Pilgrim [Wed, 14 Sep 2016 17:15:26 +0000 (17:15 +0000)]
[X86][SSE] Improve recognition of i64 sitofp conversions that can be performed as i32 (PR29078)
Until AVX512DQ we only support i64/vXi64 sitofp conversion as scalars.
This patch sees if the sign bit extends far enough that we can truncate to a i32 type and then perform sitofp without loss of precision.
Differential Revision: https://reviews.llvm.org/D24345
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281502
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Chad Rosier [Wed, 14 Sep 2016 17:12:30 +0000 (17:12 +0000)]
[LoopInterchange] Typo. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281501
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Chad Rosier [Wed, 14 Sep 2016 17:07:13 +0000 (17:07 +0000)]
[LoopInterchange] Add CL option to override cost threshold.
Mostly useful for getting consistent lit testing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281500
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Simon Pilgrim [Wed, 14 Sep 2016 17:04:22 +0000 (17:04 +0000)]
[X86][SSE] Don't use PSHUFD directly - lower with generic shuffle
Remove the last user of the old getTargetShuffleNode helpers
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281499
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Sanjay Patel [Wed, 14 Sep 2016 16:54:10 +0000 (16:54 +0000)]
getValueType().getScalarSizeInBits() -> getScalarValueSizeInBits(), round 2 ; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281498
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Chad Rosier [Wed, 14 Sep 2016 16:43:19 +0000 (16:43 +0000)]
[LoopInterchange] Cleanup debug whitespace. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281497
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Sanjay Patel [Wed, 14 Sep 2016 16:37:15 +0000 (16:37 +0000)]
getVectorElementType().getSizeInBits() -> getScalarSizeInBits() ; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281495
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Sanjay Patel [Wed, 14 Sep 2016 16:05:51 +0000 (16:05 +0000)]
getValueType().getSizeInBits() -> getValueSizeInBits() ; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281493
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Etienne Bergeron [Wed, 14 Sep 2016 15:59:32 +0000 (15:59 +0000)]
Fix typo in comment [NFC]
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281492
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Matt Arsenault [Wed, 14 Sep 2016 15:51:33 +0000 (15:51 +0000)]
AMDGPU: Support folding FrameIndex operands
This avoids test regressions in a future commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281491
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Sanjay Patel [Wed, 14 Sep 2016 15:43:44 +0000 (15:43 +0000)]
getValueType().getScalarSizeInBits() -> getScalarValueSizeInBits() ; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281490
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Sanjay Patel [Wed, 14 Sep 2016 15:21:00 +0000 (15:21 +0000)]
getScalarType().getSizeInBits() -> getScalarSizeInBits() ; NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281489
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Matt Arsenault [Wed, 14 Sep 2016 15:19:03 +0000 (15:19 +0000)]
AMDGPU: Improve splitting 64-bit bit ops by constants
This addresses a TODO to handle operations besides and. This
also starts eliminating no-op operations with a constant that
can emerge later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281488
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Matthew Simpson [Wed, 14 Sep 2016 14:47:40 +0000 (14:47 +0000)]
[LV] Process pointer IVs with PHINodes in collectLoopUniforms
This patch moves the processing of pointer induction variables in
collectLoopUniforms from the consecutive pointer phase of the analysis to the
phi node phase. Previously, if a pointer induction variable was used by both a
scalarized non-memory instruction as well as a vectorized memory instruction,
we would incorrectly identify the pointer as uniform. Pointer induction
variables should be treated the same as other phi nodes. That is, they are
uniform if all users of the induction variable and induction variable update
are uniform.
Differential Revision: https://reviews.llvm.org/D24511
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281485
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James Molloy [Wed, 14 Sep 2016 14:47:27 +0000 (14:47 +0000)]
[ARM] Promote small global constants to constant pools
If a constant is unamed_addr and is only used within one function, we can save
on the code size and runtime cost of an indirection by changing the global's storage
to inside the constant pool. For example, instead of:
ldr r0, .CPI0
bl printf
bx lr
.CPI0: &format_string
format_string: .asciz "hello, world!\n"
We can emit:
adr r0, .CPI0
bl printf
bx lr
.CPI0: .asciz "hello, world!\n"
This can cause significant code size savings when many small strings are used in one
function (4 bytes per string).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281484
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Sjoerd Meijer [Wed, 14 Sep 2016 14:32:17 +0000 (14:32 +0000)]
MCInstrDesc: this fixes an issue setting/getting member Flags, which
is an uint64_t. However, getter function getFlags returned an unsigned,
and in function hasProperty (1 << MCFlag) was used instead of (1ULL << MCFlag).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281483
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Simon Pilgrim [Wed, 14 Sep 2016 14:30:00 +0000 (14:30 +0000)]
[X86][SSE] Removed unused getTargetShuffleNode function
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281481
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Simon Pilgrim [Wed, 14 Sep 2016 14:29:16 +0000 (14:29 +0000)]
[X86] Added i128 lshr+shl -> mask combine test
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281480
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Nemanja Ivanovic [Wed, 14 Sep 2016 14:19:09 +0000 (14:19 +0000)]
Fix code-gen crash on Power9 for insert_vector_elt with variable index (PR30189)
This patch corresponds to review:
https://reviews.llvm.org/D24021
In the initial implementation of this instruction, I forgot to account for
variable indices. This patch fixes PR30189 and should probably be merged into
3.9.1 (I'll open a bug according to the new instructions).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281479
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Andrea Di Biagio [Wed, 14 Sep 2016 14:18:21 +0000 (14:18 +0000)]
[InstCombine] Merged two test files and regenerated checks using update_test_checks.py. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281478
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Silviu Baranga [Wed, 14 Sep 2016 14:09:43 +0000 (14:09 +0000)]
[StackProtector] Use INITIALIZE_TM_PASS instead of INITIALIZE_PASS
in order to make sure that its TargetMachine constructor is
registered.
This allows us to run the PEI machine pass with MIR input
(see PR30324).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281474
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Nemanja Ivanovic [Wed, 14 Sep 2016 14:09:39 +0000 (14:09 +0000)]
Adding missing directive for Power9.
There is currently no codegen for Power9 that depends on the directive
so this is NFC for now but will be important in the future. This was
missed in r268950 so I'm adding it now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281473
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Simon Pilgrim [Wed, 14 Sep 2016 14:08:18 +0000 (14:08 +0000)]
[X86][SSE] Don't blend vector shifts with MOVSS/MOVSD directly, lower from generic shuffle
Shuffle lowering will correctly lower to MOVSS/MOVSD/PBLEND, improving commutation opportunities
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281471
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Kuba Brecka [Wed, 14 Sep 2016 14:06:33 +0000 (14:06 +0000)]
[asan] Enable -asan-use-private-alias on Darwin/Mach-O, add test for ODR false positive with LTO (llvm part)
The '-asan-use-private-alias’ option (disabled by default) option is currently only enabled for Linux and ELF, but it also works on Darwin and Mach-O. This option also fixes a known problem with LTO on Darwin (https://github.com/google/sanitizers/issues/647). This patch enables the support for Darwin (but still keeps it off by default) and adds the LTO test case.
Differential Revision: https://reviews.llvm.org/D24292
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281470
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James Molloy [Wed, 14 Sep 2016 09:45:28 +0000 (09:45 +0000)]
Revert "[Thumb] Teach ISel how to lower compares of AND bitmasks efficiently"
This reverts commit r281323. It caused chromium test failures and a selfhost failure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281451
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Vassil Vassilev [Wed, 14 Sep 2016 08:55:18 +0000 (08:55 +0000)]
Missing includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281450
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Tim Northover [Wed, 14 Sep 2016 08:28:54 +0000 (08:28 +0000)]
GlobalISel: mark pointer stores as legal on AArch64.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281448
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Sjoerd Meijer [Wed, 14 Sep 2016 08:20:03 +0000 (08:20 +0000)]
This reapplies r281304. The issue was that I had missed
to copy the new isAdd field in the tablegen data structure.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281447
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Elena Demikhovsky [Wed, 14 Sep 2016 08:06:54 +0000 (08:06 +0000)]
AVX-512: Fixed a bug in kortest.z intrinsic
Lowering was wrong - X86ISD::SETCC node should return i8 type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281446
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Igor Breger [Wed, 14 Sep 2016 08:04:28 +0000 (08:04 +0000)]
[AVX512BW] Change truncStore action (v16i16->v16i18). It can be legal only with AVX512VL.
Differential Revision: http://reviews.llvm.org/D24547
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281445
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Craig Topper [Wed, 14 Sep 2016 06:27:46 +0000 (06:27 +0000)]
[X86] Remove the VCVTSI2SD32 with rounding intrinsic. It's not used by clang and not needed since 32-bit integer to double is always exact.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281442
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Wei Mi [Wed, 14 Sep 2016 04:39:50 +0000 (04:39 +0000)]
Create a getelementptr instead of sub expr for ValueOffsetPair if the
value is a pointer.
This patch is to fix PR30213. When expanding an expr based on ValueOffsetPair,
if the value is of pointer type, we can only create a getelementptr instead
of sub expr.
Differential Revision: https://reviews.llvm.org/D24088
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281439
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Tobias Grosser [Wed, 14 Sep 2016 03:09:48 +0000 (03:09 +0000)]
Ensure Polly linking works without BUILD_SHARED_LIBS
This change ensures all necessary symbols are resolved correctly. Before this
change on some systems, the linker may have eliminated some symbols not directly
used in bugpoint, but used in Polly.
Suggested-by: Michael Kruse <lvm@meinersbur.de>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281438
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Peter Collingbourne [Wed, 14 Sep 2016 02:55:16 +0000 (02:55 +0000)]
gold: Simplify. Do not unnecessarily enumerate Obj's symbols.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281437
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Kostya Serebryany [Wed, 14 Sep 2016 02:13:06 +0000 (02:13 +0000)]
[libFuzzer] start using trace-pc-guard as an alternative source of coverage
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281435
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Kostya Serebryany [Wed, 14 Sep 2016 01:39:35 +0000 (01:39 +0000)]
[sanitizer-coverage] add yet another flavour of coverage instrumentation: trace-pc-guard. The intent is to eventually replace all of {bool coverage, 8bit-counters, trace-pc} with just this one. LLVM part
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281431
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Akira Hatanaka [Tue, 13 Sep 2016 23:53:43 +0000 (23:53 +0000)]
Address Pete's review comment and define OrigArg on its own line.
This is a follow-up to r281419.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281421
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Akira Hatanaka [Tue, 13 Sep 2016 23:43:11 +0000 (23:43 +0000)]
[ObjCARC] Traverse chain downwards to replace uses of argument passed to
ObjC library call with call return.
ARC contraction tries to replace uses of an argument passed to an
objective-c library call with the call return value. For example, in the
following IR, it replaces uses of argument %9 and uses of the values
discovered traversing the chain upwards (%7 and %8) with the call return
%10, if they are dominated by the call to @objc_autoreleaseReturnValue.
This transformation enables code-gen to tail-call the call to
@objc_autoreleaseReturnValue, which is necessary to enable auto release
return value optimization.
%7 = tail call i8* @objc_loadWeakRetained(i8** %6)
%8 = bitcast i8* %7 to %0*
%9 = bitcast %0* %8 to i8*
%10 = tail call i8* @objc_autoreleaseReturnValue(i8* %9)
ret %0* %8
Since r276727, llvm started removing redundant bitcasts and as a result
started feeding the following IR to ARC contraction:
%7 = tail call i8* @objc_loadWeakRetained(i8** %6)
%8 = bitcast i8* %7 to %0*
%9 = tail call i8* @objc_autoreleaseReturnValue(i8* %7)
ret %0* %8
ARC contraction no longer does the optimization described above since it
only traverses the chain upwards and fails to recognize that the
function return can be replaced by the call return. This commit changes
ARC contraction to traverse the chain downwards too and replace uses of
bitcasts with the call return.
rdar://problem/
28011339
Differential Revision: https://reviews.llvm.org/D24523
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281419
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Vedant Kumar [Tue, 13 Sep 2016 23:00:13 +0000 (23:00 +0000)]
[llvm-cov] Just emit the version number in the index file
Having the version information in every view is distracting, especially
if there are several sub-views.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281414
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Ahmed Bougacha [Tue, 13 Sep 2016 22:16:40 +0000 (22:16 +0000)]
[AArch64] Simplify patchpoint/stackmap size test (r281301). NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281407
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Pawel Bylica [Tue, 13 Sep 2016 21:55:41 +0000 (21:55 +0000)]
[CodeGen] Fix invalid shift in mul expansion
Summary: When expanding mul in type legalization make sure the type for shift amount can actually fit the value. This fixes PR30354 https://llvm.org/bugs/show_bug.cgi?id=30354.
Reviewers: hfinkel, majnemer, RKSimon
Subscribers: RKSimon, llvm-commits
Differential Revision: https://reviews.llvm.org/D24478
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281403
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Michael Kuperstein [Tue, 13 Sep 2016 21:53:32 +0000 (21:53 +0000)]
[DAG] Allow build-to-shuffle combine to combine builds from two wide vectors.
This allows us to, in some cases, create a vector_shuffle out of a build_vector, when
the inputs to the build are extract_elements from two different vectors, at least one
of which is wider than the output. (E.g. a <8 x i16> being constructed out of
elements from a <16 x i16> and a <8 x i16>).
Differential Revision: https://reviews.llvm.org/D24491
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281402
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Kevin Enderby [Tue, 13 Sep 2016 21:42:28 +0000 (21:42 +0000)]
Next set of additional error checks for invalid Mach-O files for bad load commands
that use the Mach::dyld_info_command type for the load commands that are
currently use in the MachOObjectFile constructor.
This contains the missing checks for LC_DYLD_INFO and
LC_DYLD_INFO_ONLY load commands and the fields for the
Mach::dyld_info_command type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281400
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Krzysztof Parzyszek [Tue, 13 Sep 2016 21:16:07 +0000 (21:16 +0000)]
[Hexagon] Better handling of HVX vector lowering
- Expand SELECT_CC and BR_CC for vector types.
- Implement TLI::isShuffleMaskLegal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281397
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Sanjay Patel [Tue, 13 Sep 2016 20:36:13 +0000 (20:36 +0000)]
add tests for PR28672
I'm not sure if we actually want to transform all of these in InstCombine yet,
so I'm not labeling these with FIXME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281386
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Matt Arsenault [Tue, 13 Sep 2016 19:43:57 +0000 (19:43 +0000)]
Reapply "InstCombine: Reduce trunc (shl x, K) width."
This reapplies r272987 with a fix for infinitely looping
when the truncated value is another shift of a constant.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281379
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Matthias Braun [Tue, 13 Sep 2016 19:27:38 +0000 (19:27 +0000)]
AArch64: Cleanup tailcall CC check, enable swiftcc.
Cleanup/change the code that checks for possible tailcall conventions to
look the same as the one in the X86 target. This makes the distinction
between calling conventions that can guarnatee tailcalls and the ones
that may tailcall more obvious.
- Add Swift to the mayTailCall list
- PreserveMost seemed to be incorrectly part of the guarnteed tail call
list, move it to the mayTailCall list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281376
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Matt Arsenault [Tue, 13 Sep 2016 19:15:25 +0000 (19:15 +0000)]
AMDGPU: Remove code I think is dead
As far as I can tell, resolveFrameIndex is supposed to be
called with a legal offset, so inserting an add shouldn't be
necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281372
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Mike Aizatsky [Tue, 13 Sep 2016 19:04:26 +0000 (19:04 +0000)]
.clang-tidy: correct style name is 'camelBack' not 'lowerCase'.
Summary: clang-tidy doesn't like to complain.
Differential Revision: https://reviews.llvm.org/D24413
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281370
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Matt Arsenault [Tue, 13 Sep 2016 19:03:12 +0000 (19:03 +0000)]
AMDGPU: Support commuting a FrameIndex operand
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281369
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Matthew Simpson [Tue, 13 Sep 2016 19:01:45 +0000 (19:01 +0000)]
[LV] Clean up uniform induction variable analysis (NFC)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281368
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Davide Italiano [Tue, 13 Sep 2016 18:45:13 +0000 (18:45 +0000)]
[LTO] Don't pass SF_Undefined symbols to the IRmover.
This should fix PR 30363.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281366
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Reid Kleckner [Tue, 13 Sep 2016 18:40:04 +0000 (18:40 +0000)]
Fix MSVC 2013 build by using our <thread> wrapper header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281365
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Simon Pilgrim [Tue, 13 Sep 2016 18:33:29 +0000 (18:33 +0000)]
[DAGCombiner] Use APInt directly in (shl (zext (srl x, C)), C) combine range test
To avoid assertion, we must ensure that the inner shift constant is within range before calling ConstantSDNode::getZExtValue(). We already know that the outer shift constant is in range.
Followup to D23007
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281362
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Nico Weber [Tue, 13 Sep 2016 18:17:00 +0000 (18:17 +0000)]
Revert r281336 (and r281337), it caused PR30372.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281361
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Douglas Katzman [Tue, 13 Sep 2016 17:51:41 +0000 (17:51 +0000)]
[Myriad]: set LeonCASA processor feature
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281359
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Simon Pilgrim [Tue, 13 Sep 2016 17:34:56 +0000 (17:34 +0000)]
[X86][SSE] Added AVX512F and additional vector truncate test cases
trunc16i16_16i8 is currently commented out due to PR25684
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281356
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Simon Pilgrim [Tue, 13 Sep 2016 17:15:28 +0000 (17:15 +0000)]
[DAGCombiner] Use APInt directly in (shl (ext (shl x, c1)), c2) combine
Fix failure to detect out of range shift constants leading to assert in ConstantSDNode::getZExtValue()
Followup to D23007
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281354
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Matt Arsenault [Tue, 13 Sep 2016 16:39:43 +0000 (16:39 +0000)]
Fix misleading comment for getOrEnforceKnownAlignment
It does not return 0 to indicate failure, and returns the known
alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281350
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Andrea Di Biagio [Tue, 13 Sep 2016 14:50:47 +0000 (14:50 +0000)]
[ConstantFold] Improve the bitcast folding logic for constant vectors.
The constant folder didn't know how to always fold bitcasts of constant integer
vectors. In particular, it was unable to handle the case where a constant vector
had some undef elements, and the resulting (i.e. bitcasted) vector type had more
elements than the original vector type.
Example:
%cast = bitcast <2 x i64><i64 undef, i64 2> to <4 x i32>
On a little endian target, %cast could have been folded to:
<4 x i32><i32 undef, i32 undef, i32 2, i32 0>
This patch improves the folding logic by teaching how to correctly propagate
undef elements in the folded vector.
Differential Revision: https://reviews.llvm.org/D24301
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281343
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Simon Pilgrim [Tue, 13 Sep 2016 14:41:39 +0000 (14:41 +0000)]
[X86] Regenerated shift combine tests.
Added x86_64 tests
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281341
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Vassil Vassilev [Tue, 13 Sep 2016 14:41:35 +0000 (14:41 +0000)]
[modules] Re-enable some previously excluded files.
Our modules support seems to be able to handle them nowadays.
Patch by Cristina Cristescu!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281340
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Krzysztof Parzyszek [Tue, 13 Sep 2016 14:36:55 +0000 (14:36 +0000)]
[Hexagon] Clear the flow queue after visiting a single instruction
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281339
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Nirav Dave [Tue, 13 Sep 2016 13:57:16 +0000 (13:57 +0000)]
Apply Clang-format to MCAsmParser.cpp NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281337
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Nirav Dave [Tue, 13 Sep 2016 13:55:06 +0000 (13:55 +0000)]
Defer asm errors to post-statement failure
Recommitting after fixing AsmParser Initialization.
Allow errors to be deferred and emitted as part of clean up to simplify
and shorten Assembly parser code. This will allow error messages to be
emitted in helper functions and be modified by the caller which has
better context.
As part of this many minor cleanups to the Parser:
* Unify parser cleanup on error
* Add Workaround for incorrect return values in ParseDirective instances
* Tighten checks on error-signifying return values for parser functions
and fix in-tree TargetParsers to be more consistent with the changes.
* Fix AArch64 test cases checking for spurious error messages that are
now fixed.
These changes should be backwards compatible with current Target Parsers
so long as the error status are correctly returned in appropriate
functions.
Reviewers: rnk, majnemer
Subscribers: aemerson, jyknight, llvm-commits
Differential Revision: https://reviews.llvm.org/D24047
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281336
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Chad Rosier [Tue, 13 Sep 2016 13:30:30 +0000 (13:30 +0000)]
[LoopInterchange] Minor refactor. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281334
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Andrea Di Biagio [Tue, 13 Sep 2016 13:17:42 +0000 (13:17 +0000)]
[InstSimplify] Add tests to show missed bitcast folding opportunities.
InstSimplify doesn't always know how to fold a bitcast of a constant vector.
In particular, the logic in InstSimplify doesn't know how to handle the case
where the constant vector in input contains some undef elements, and the
number of elements is smaller than the number of elements of the bitcast
vector type.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281332
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Chad Rosier [Tue, 13 Sep 2016 13:08:53 +0000 (13:08 +0000)]
Don't use else if after return. Tidy comments. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281331
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Chad Rosier [Tue, 13 Sep 2016 13:00:29 +0000 (13:00 +0000)]
Typo. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281330
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