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Florian Hahn [Wed, 7 Jun 2017 12:58:08 +0000 (12:58 +0000)]
[ARM] Use FixupKind variable in processFixupValue (cleanup, NFC).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304905
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Sanjay Patel [Wed, 7 Jun 2017 12:44:36 +0000 (12:44 +0000)]
[CGP] fix formatting in MemCmpExpansion; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304903
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Diana Picus [Wed, 7 Jun 2017 12:35:05 +0000 (12:35 +0000)]
[ARM] GlobalISel: Purge G_SEQUENCE
According to the commit message from r296921, G_MERGE_VALUES and
G_INSERT are to be preferred over G_SEQUENCE. Therefore, stop generating
G_SEQUENCE in the ARM backend and remove the code dealing with it.
This boils down to the code breaking up double values for the soft float
calling convention. Use G_MERGE_VALUES + G_UNMERGE_VALUES instead of
G_SEQUENCE + G_EXTRACT for it. This maps very nicely to VMOVDRR +
VMOVRRD and simplifies the code in the instruction selector.
There's one occurence of G_SEQUENCE left in arm-irtranslator.ll, but
that is part of the target-independent code for translating constant
structs. Therefore, it is beyond the scope of this commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304902
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Nemanja Ivanovic [Wed, 7 Jun 2017 12:23:41 +0000 (12:23 +0000)]
[PowerPC] Eliminate integer compare instructions - vol. 3
Adds handling for i32 SETNE comparison (both sign and zero extended).
Differential Revision: https://reviews.llvm.org/D33718
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304901
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Benjamin Kramer [Wed, 7 Jun 2017 12:06:45 +0000 (12:06 +0000)]
[FileCheck] Don't scan past the closing CHECK-DAG for CHECK-NOT inside CHECK-DAG
If there's enough data in fron of it the skipped region would just
become arbitrarily large, and we scan for the CHECK-NOT everywhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304900
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Diana Picus [Wed, 7 Jun 2017 11:57:30 +0000 (11:57 +0000)]
[ARM] GlobalISel: Support G_XOR
Same as the other binary operators:
- legalize to 32 bits
- map to GPRs
- select to EORrr via TableGen'erated code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304898
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Simon Dardis [Wed, 7 Jun 2017 11:21:37 +0000 (11:21 +0000)]
evert "[mips] Fix test mips64fpldst.ll with machine verifier enabled"
This reverts commit r301394. It broke some internal buildbots, reverting
while the issue is being investigated.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304896
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Simon Pilgrim [Wed, 7 Jun 2017 10:30:35 +0000 (10:30 +0000)]
[X86][SSE] Fix an issue with PEXTRW/PEXTRB indices during shuffle combining
We were checking that the index was in range of the destination vector type, not the (larger) source vector type
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304894
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Diana Picus [Wed, 7 Jun 2017 10:14:23 +0000 (10:14 +0000)]
[ARM] GlobalISel: Support G_OR
Same as the other binary operators:
- legalize to 32 bits
- map to GPRs
- select ORRrr thanks to TableGen'erated code
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304890
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Florian Hahn [Wed, 7 Jun 2017 09:59:22 +0000 (09:59 +0000)]
[Linker] Remove llc usage from link-arm-and-thumb.ll test case.
This fixes a buildbot failure when the ARM target is not built.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304888
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Diana Picus [Wed, 7 Jun 2017 09:17:41 +0000 (09:17 +0000)]
[ARM] GlobalISel: Support G_AND
This is identical to the support for the other binary operators:
- widen to s32
- map into GPR
- select ANDrr (via TableGen'erated code)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304885
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Florian Hahn [Wed, 7 Jun 2017 09:17:01 +0000 (09:17 +0000)]
[Linker] Remove warning when linking ARM and Thumb IR modules.
Summary:
This patch updates Triple::isCompatibleWith to make armxx and thumbxx
triples compatible, as long as the subarch, vendor, os, envorionment and
object format match. Thumb/ARM code generation should be controlled
using the thumb-mode per-function target feature rather than by the
triple to allow mixing Thumb and ARM functions.
D33448 updates Clang's codegen to add thumb-mode for all functions with
armxx or thumbxx triples.
Reviewers: echristo, t.p.northover, rafael, kristof.beyls, rengolin, tejohnson
Reviewed By: tejohnson
Subscribers: rinon, eugenis, pcc, srhines, aemerson, mehdi_amini, javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D33287
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304884
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Florian Hahn [Wed, 7 Jun 2017 08:54:47 +0000 (08:54 +0000)]
[ARM] Create relocations for unconditional branches.
Summary:
Relocations are required for unconditional branches to function symbols with
different execution mode. Without this patch, incorrect branches are
generated for tail calls between functions with different execution
mode.
Reviewers: peter.smith, rafael, echristo, kristof.beyls
Reviewed By: peter.smith
Subscribers: aemerson, javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D33898
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304882
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Eric Fiselier [Wed, 7 Jun 2017 08:05:31 +0000 (08:05 +0000)]
Adjust module.modulemap after r304864
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304878
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Craig Topper [Wed, 7 Jun 2017 07:40:43 +0000 (07:40 +0000)]
[APInt] Fix the documentation for isOneValue. NFC
I copy and pasted from isNullValue and forgot to update it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304877
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Craig Topper [Wed, 7 Jun 2017 07:40:37 +0000 (07:40 +0000)]
[InstCombine][InstSimplify] Use APInt::isNullValue/isOneValue to reduce compiled code for comparing APInts with 0 and 1. NFC
These methods are specifically optimized to only counting leading zeros without an additional uint64_t compare.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304876
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Craig Topper [Wed, 7 Jun 2017 07:40:29 +0000 (07:40 +0000)]
[InstCombine] Fix two asserts that were accidentally checking that an APInt pointer is non-zero instead of checking that the APInt self is non-zero.
I believe this code used to use APInt references which would have worked. But then they were changed to pointers to allow m_APInt to be used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304875
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Galina Kistanova [Wed, 7 Jun 2017 06:30:27 +0000 (06:30 +0000)]
Disable all warning for AlignOfTest.cpp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304871
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NAKAMURA Takumi [Wed, 7 Jun 2017 04:48:49 +0000 (04:48 +0000)]
Update libdeps to add BinaryFormat, introduced in r304864.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304869
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NAKAMURA Takumi [Wed, 7 Jun 2017 04:48:45 +0000 (04:48 +0000)]
Reorder and reformat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304868
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Zachary Turner [Wed, 7 Jun 2017 04:39:50 +0000 (04:39 +0000)]
Add dependency from LibDriver to BinaryFormat.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304867
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Zachary Turner [Wed, 7 Jun 2017 04:24:33 +0000 (04:24 +0000)]
Add dependency from AsmParser to BinaryFormat.
This breaks the MinGW build, but not other builds for some reason.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304866
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Zachary Turner [Wed, 7 Jun 2017 03:55:31 +0000 (03:55 +0000)]
Add #include <system_error>
Hopefully this unbreaks the bots.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304865
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Zachary Turner [Wed, 7 Jun 2017 03:48:56 +0000 (03:48 +0000)]
Move Object format code to lib/BinaryFormat.
This creates a new library called BinaryFormat that has all of
the headers from llvm/Support containing structure and layout
definitions for various types of binary formats like dwarf, coff,
elf, etc as well as the code for identifying a file from its
magic.
Differential Revision: https://reviews.llvm.org/D33843
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304864
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Craig Topper [Wed, 7 Jun 2017 00:58:09 +0000 (00:58 +0000)]
[LazyValueInfo] Remove redundant calls to ConstantRange::contains. The same exact call was made in the if above and we already know it returned true. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304857
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Craig Topper [Wed, 7 Jun 2017 00:58:05 +0000 (00:58 +0000)]
[Constants] Use isUIntN/isIntN from MathExtras instead of reimplementing the same code. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304856
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Craig Topper [Wed, 7 Jun 2017 00:58:02 +0000 (00:58 +0000)]
[Constants] Use APInt::isNullValue/isOneValue/uge to simplify some code and take advantage of APInt optimizations. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304855
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Craig Topper [Wed, 7 Jun 2017 00:57:57 +0000 (00:57 +0000)]
[APInt] Add a isOneValue method that can determine if a number is 1 by only using getActiveBits/countLeadingZeros
Previously you would have to use operator==(uint64_t) which does the getActiveBits call and a uint64_t comparison. But we can get all we need to know from the getActiveBits call.
This method will be used in another commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304854
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Tony Tye [Wed, 7 Jun 2017 00:46:08 +0000 (00:46 +0000)]
Try to work around possible bugs in version of Shpinx on buildserver.
Builds sucessfully with Sphinx v1.5.5
Differential Revision: https://reviews.llvm.org/D33736
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304853
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NAKAMURA Takumi [Wed, 7 Jun 2017 00:22:52 +0000 (00:22 +0000)]
Introduce the new feature "abi-breaking-checks" to satisfy -reverse-iterate in llvm/test/Transforms/Util/PredicateInfo/
A few tests in llvm/test/Transforms/Util/PredicateInfo/ are using -reverse-iterate.
The option -reverse-iterate is enabled with +Asserts in usual cases, but it can be turned on/off regardless of LLVM_ENABLE_ASSERTIONS.
I wonder if this were incompatible to https://reviews.llvm.org/D33908 (r304757).
Differential Revision: https://reviews.llvm.org/D33854
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304851
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Quentin Colombet [Wed, 7 Jun 2017 00:22:07 +0000 (00:22 +0000)]
[InlineSpiller] Only account for real spills in the hoisting logic
Spills of undef values shouldn't impact the placement of the relevant
spills. Drive by review.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304850
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Sanjay Patel [Wed, 7 Jun 2017 00:17:08 +0000 (00:17 +0000)]
[CGP / PowerPC] use direct compares if there's only one load per block in memcmp() expansion
I'd like to enable CGP memcmp expansion for x86, but the output from CGP would regress the
special cases (memcmp(x,y,N) != 0 for N=1,2,4,8,16,32 bytes) that we already handle.
I'm not sure if we'll actually be able to produce the optimal code given the block-at-a-time
limitation in the DAG. We might have to just avoid those special-cases here in CGP. But
regardless of that, I think this is a win for the more general cases.
http://rise4fun.com/Alive/cbQ
Differential Revision: https://reviews.llvm.org/D33963
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304849
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Tony Tye [Wed, 7 Jun 2017 00:08:35 +0000 (00:08 +0000)]
Add documentation for various aspects of the AMDGPU backend.
Remove extra tabs.
Builds sucessfully with Sphinx v1.5.5
Differential Revision: https://reviews.llvm.org/D33736
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304848
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Zachary Turner [Tue, 6 Jun 2017 23:54:23 +0000 (23:54 +0000)]
Fix uninitialized read.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304846
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Davide Italiano [Tue, 6 Jun 2017 23:41:12 +0000 (23:41 +0000)]
[SCCIterator] Garbage collect dead code. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304845
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Adrian Prantl [Tue, 6 Jun 2017 23:28:45 +0000 (23:28 +0000)]
Introduce -brief command line option to llvm-dwarfdump
This patch introduces a new command line option, called brief, to
llvm-dwarfdump. When -brief is used, the attribute forms for the
.debug_info section will not be emitted to output.
Patch by Spyridoula Gravani!
rdar://problem/
21474365
Differential Revision: https://reviews.llvm.org/D33867
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304844
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Chandler Carruth [Tue, 6 Jun 2017 23:28:01 +0000 (23:28 +0000)]
Fix the includes in lib/Fuzzer on Windows that have ordering
dependencies and add comments to tell future maintainers about those
requirements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304843
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Davide Italiano [Tue, 6 Jun 2017 23:16:19 +0000 (23:16 +0000)]
[CFLAA] Remove unused include. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304842
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Eugene Zelenko [Tue, 6 Jun 2017 22:22:41 +0000 (22:22 +0000)]
[CodeGen] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304839
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Sanjay Patel [Tue, 6 Jun 2017 22:06:07 +0000 (22:06 +0000)]
[PowerPC] auto-generate full checks and increase test coverage
3 of the tests were testing exactly the same thing: memcmp(x, y, 16) != 0.
I changed that to test 4, 7, and 16 bytes, so we can see how those differ.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304838
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Dimitry Andric [Tue, 6 Jun 2017 21:54:04 +0000 (21:54 +0000)]
Allow VersionPrinter to print to arbitrary raw_ostreams
Summary:
I would like to add printing of registered targets to clang's version
information. For this to work correctly, the VersionPrinter logic in
CommandLine.cpp should support printing to arbitrary raw_ostreams,
instead of always defaulting to outs().
Add a raw_ostream& parameter to the function pointer type used for
VersionPrinter, and while doing so, introduce a typedef for convenience.
Note that VersionPrinter::print() will still default to using outs(),
the clang part will necessarily go into a separate review.
Reviewers: beanz, chandlerc, dberris, mehdi_amini, zturner
Reviewed By: mehdi_amini
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33899
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304835
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Evgeny Stupachenko [Tue, 6 Jun 2017 21:08:00 +0000 (21:08 +0000)]
Added tests for X86InterleavedStore.
Reviewers: RKSimon, DavidKreitzer
Differential Revision: https://reviews.llvm.org/D33684
Patch by: Aleen Farhana <Farhana.aleen@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304834
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David Blaikie [Tue, 6 Jun 2017 20:51:15 +0000 (20:51 +0000)]
GlobalsModRef+OptNone: Don't prove readnone/other properties from an optnone function
Seems like at least one reasonable interpretation of optnone is that the
optimizer never "looks inside" a function. This fix is consistent with
that interpretation.
Specifically this came up in the situation:
f3 calls f2 calls f1
f2 is always_inline
f1 is optnone
The application of readnone to f1 (& thus to f2) caused the inliner to
kill the call to f2 as being trivially dead (without even checking the
cost function, as it happens - not sure if that's also a bug).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304833
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Tony Tye [Tue, 6 Jun 2017 20:31:59 +0000 (20:31 +0000)]
Add documentation for various aspects of the AMDGPU backend.
Differential Revision: https://reviews.llvm.org/D33736
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304831
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Sanjay Patel [Tue, 6 Jun 2017 20:30:47 +0000 (20:30 +0000)]
[CGP] fix formatting/typos in MemCmpExpansion; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304830
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Alexey Bataev [Tue, 6 Jun 2017 20:27:45 +0000 (20:27 +0000)]
[SLP] Change extension of the test, NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304829
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Alexey Bataev [Tue, 6 Jun 2017 20:11:35 +0000 (20:11 +0000)]
[SLP] Add a test for fix of PR32164, NFC.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304826
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Matthias Braun [Tue, 6 Jun 2017 20:06:57 +0000 (20:06 +0000)]
llc: Add ability to parse mir from stdin
- Add -x <language> option to switch between IR and MIR inputs.
- Change MIR parser to read from stdin when filename is '-'.
- Add a simple mir roundtrip test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304825
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Evgeny Stupachenko [Tue, 6 Jun 2017 20:04:16 +0000 (20:04 +0000)]
Fix PR23384 (part 3 of 3)
Summary:
The patch makes instruction count the highest priority for
LSR solution for X86 (previously registers had highest priority).
Reviewers: qcolombet
Differential Revision: http://reviews.llvm.org/D30562
From: Evgeny Stupachenko <evstupac@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304824
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Sanjay Patel [Tue, 6 Jun 2017 19:40:09 +0000 (19:40 +0000)]
[DAG] remove duplicated code for isOnlyUsedInZeroEqualityComparison(); NFCI
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304822
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Anna Thomas [Tue, 6 Jun 2017 19:25:31 +0000 (19:25 +0000)]
[LVI Printer] Rely on the LVI analysis functions rather than the LVI cache
Summary:
LVIPrinter pass was previously relying on the LVICache. We now directly call the
the LVI functions which solves the value if the LVI information is not already
available in the cache. This has 2 benefits over the printing of LVI cache:
1. higher coverage (i.e. catches errors) in LVI code when cache value is
invalidated.
2. relies on the core functions, and not dependent on the LVI cache (which may
be scrapped at some point).
It would still catch any cache invalidation errors, since we first go through
the cache.
Reviewers: reames, dberlin, sanjoy
Reviewed by: reames
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D32135
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304819
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Sam Clegg [Tue, 6 Jun 2017 19:15:05 +0000 (19:15 +0000)]
[WebAssembly] MC: Refactor relocation handling
The change cleans up and unifies the handling of relocation
entries in WasmObjectWriter. Type index relocation no longer
need to be handled separately.
The only externally visible change should be that type
index relocations are no longer grouped at the end.
Differential Revision: https://reviews.llvm.org/D33918
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304816
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Matthias Braun [Tue, 6 Jun 2017 19:00:58 +0000 (19:00 +0000)]
MIRPrinter: Avoid assert() when printing empty INLINEASM strings.
CodeGen uses MO_ExternalSymbol to represent the inline assembly strings.
Empty strings for symbol names appear to be invalid. For now just
special case the output code to avoid hitting an `assert()` in
`printLLVMNameWithoutPrefix()`.
This fixes https://llvm.org/PR33317
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304815
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Matthias Braun [Tue, 6 Jun 2017 19:00:54 +0000 (19:00 +0000)]
UnitTests: Do not use assert() for error checking
Use `if (!X) report_fatal_error()` instead of `assert()` for the ad-hoc
error handling in two unittests. This reduces unnecessary differences
between release and debug builds (motivated by unused variable warnings
triggered in release builds).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304814
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Konstantin Zhuravlyov [Tue, 6 Jun 2017 18:35:50 +0000 (18:35 +0000)]
AMDGPU/NFC: Move amdgpu code object metadata to support
Differential Revision: https://reviews.llvm.org/D31437
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304812
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Anna Thomas [Tue, 6 Jun 2017 17:46:41 +0000 (17:46 +0000)]
[LoopIdiom] Move X86 specific atomic memcpy test to the X86 directory
Patch https://reviews.llvm.org/rL304806 was causing failures in Aarch64
and multiple other targets since the test should be run on X86 only.
Specifying the target triple is not enough. Moving the testcase to the
X86 target directory in LoopIdiom.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304809
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Daniel Berlin [Tue, 6 Jun 2017 17:15:28 +0000 (17:15 +0000)]
NewGVN: Fix PR/33187. This is a bug caused by two things:
1. When there is no perfect iteration order, we can't let phi nodes
put themselves in terms of things that come later in the iteration
order, or we will endlessly cycle (the normal RPO algorithm clears the
hashtable to avoid this issue).
2. We are sometimes erasing the wrong expression (causing pessimism)
because our equality says loads and stores are the same.
We introduce an exact equality function and use it when erasing to
make sure we erase only identical expressions, not equivalent ones.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304807
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Anna Thomas [Tue, 6 Jun 2017 16:45:25 +0000 (16:45 +0000)]
[Atomics][LoopIdiom] Recognize unordered atomic memcpy
Summary:
Expanding the loop idiom test for memcpy to also recognize
unordered atomic memcpy. The only difference for recognizing
an unordered atomic memcpy and instead of a normal memcpy is
that the loads and/or stores involved are unordered atomic operations.
Background: http://lists.llvm.org/pipermail/llvm-dev/2017-May/112779.html
Patch by Daniel Neilson!
Reviewers: reames, anna, skatkov
Reviewed By: reames, anna
Subscribers: llvm-commits, mzolotukhin
Differential Revision: https://reviews.llvm.org/D33243
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304806
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Stanislav Mekhanoshin [Tue, 6 Jun 2017 16:42:30 +0000 (16:42 +0000)]
[AMDGPU] Return correct value from SDWA pass
Differential Revision: https://reviews.llvm.org/D33927
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304805
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Sam Clegg [Tue, 6 Jun 2017 16:38:59 +0000 (16:38 +0000)]
[WebAssembly] Remove unused methods from MCWasmObjectTargetWriter
These methods looks like they were originally came from
MCELFObjectTargetWriter but they are never called by the
WasmObjectWriter.
Remove these methods meant the declaration of WasmRelocationEntry
could also move into the cpp file.
Differential Revision: https://reviews.llvm.org/D33905
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304804
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Petar Jovanovic [Tue, 6 Jun 2017 15:33:01 +0000 (15:33 +0000)]
[mips] Add madd4 subtarget feature
Addition of a feature and a predicate used to control generation of madd.fmt
and similar instructions.
Patch by Stefan Maksimovic.
Differential Revision: https://reviews.llvm.org/D33400
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304801
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Anna Thomas [Tue, 6 Jun 2017 14:54:01 +0000 (14:54 +0000)]
[IRCE] Canonicalize pre/post loops after the blocks are added into parent loop
Summary:
We were canonizalizing the pre loop (into loop-simplify form) before
the post loop blocks were added into parent loop. This is incorrect when IRCE is
done on a subloop. The post-loop blocks are created, but not yet added to the
parent loop. So, loop-simplification on the pre-loop incorrectly updates
LoopInfo.
This patch corrects the ordering so that pre and post loop blocks are added to
parent loop (if any), and then the loops are canonicalized to LCSSA and
LoopSimplifyForm.
Reviewers: reames, sanjoy, apilipenko
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D33846
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304800
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Simon Pilgrim [Tue, 6 Jun 2017 14:25:34 +0000 (14:25 +0000)]
Fix spelling mistake in getRThroughput static function names. NFCI.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304799
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Simon Pilgrim [Tue, 6 Jun 2017 14:18:39 +0000 (14:18 +0000)]
[X86][AVX1] Split 256-bit vector non-temporal FastISel loads to keep it non-temporal (PR32744)
Extension to D33728
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304798
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Tom Stellard [Tue, 6 Jun 2017 14:16:50 +0000 (14:16 +0000)]
AMDGPU/GlobalISel: Mark 32-bit G_ICMP as legal
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: kzhuravl, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, igorb, dstuttard, tpr, t-tye, llvm-commits
Differential Revision: https://reviews.llvm.org/D33890
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304797
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Chandler Carruth [Tue, 6 Jun 2017 12:43:20 +0000 (12:43 +0000)]
Fix another ordering constraint with windows.h and comment about
a revers constraint that we got right (by chance).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304792
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Chandler Carruth [Tue, 6 Jun 2017 12:31:55 +0000 (12:31 +0000)]
Fix several more missing headers, all of these were hidden by "lucky"
include ordering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304790
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Chandler Carruth [Tue, 6 Jun 2017 12:21:27 +0000 (12:21 +0000)]
Add a missing #include to a header.
This was masked by lucky #include ordering in the .cpp files and
uncovered when we moved to the canonical ordering because the primary
header was included first (yay!). Unfortunately, I can't build this
locally so took a build-bot iteration to find it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304789
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Chandler Carruth [Tue, 6 Jun 2017 12:11:24 +0000 (12:11 +0000)]
Fix one place where I missed a commented requirement for a particular
include ordering.
I've changed the structure so that clang-format will preserve this going
forward.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304788
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Chandler Carruth [Tue, 6 Jun 2017 11:49:48 +0000 (11:49 +0000)]
Sort the remaining #include lines in include/... and lib/....
I did this a long time ago with a janky python script, but now
clang-format has built-in support for this. I fed clang-format every
line with a #include and let it re-sort things according to the precise
LLVM rules for include ordering baked into clang-format these days.
I've reverted a number of files where the results of sorting includes
isn't healthy. Either places where we have legacy code relying on
particular include ordering (where possible, I'll fix these separately)
or where we have particular formatting around #include lines that
I didn't want to disturb in this patch.
This patch is *entirely* mechanical. If you get merge conflicts or
anything, just ignore the changes in this patch and run clang-format
over your #include lines in the files.
Sorry for any noise here, but it is important to keep these things
stable. I was seeing an increasing number of patches with irrelevant
re-ordering of #include lines because clang-format was used. This patch
at least isolates that churn, makes it easy to skip when resolving
conflicts, and gets us to a clean baseline (again).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304787
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Chandler Carruth [Tue, 6 Jun 2017 11:06:56 +0000 (11:06 +0000)]
Re-sort #include lines for unittests. This uses a slightly modified
clang-format (https://reviews.llvm.org/D33932) to keep primary headers
at the top and handle new utility headers like 'gmock' consistently with
other utility headers.
No other change was made. I did no manual edits, all of this is
clang-format.
This should allow other changes to have more clear and focused diffs,
and is especially motivated by moving some headers into more focused
libraries.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304786
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Peter Smith [Tue, 6 Jun 2017 10:22:49 +0000 (10:22 +0000)]
[ARM] Add curly braces around switch case [NFC]
My previous commit r304702 introduced a new case into a switch statement.
This case defined a variable but I forgot to add the curly brackets around the
case to limit the scope.
This change puts the curly braces back in so that the next person that adds a
case doesn't get a build failure. Thanks to avieira for the spot.
Differential Revision: https://reviews.llvm.org/D33931
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304785
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Joey Gouly [Tue, 6 Jun 2017 10:17:14 +0000 (10:17 +0000)]
[InstSimplify] Constant fold the new GEP in SimplifyGEPInst.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304784
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Nuno Lopes [Tue, 6 Jun 2017 08:28:17 +0000 (08:28 +0000)]
[docs] Make it clear shifts yield poison when shift amount >= bitwidth
Some InstCombine optimizations already rely on the result being poison
rather than undef.
For example, the following rewrite is wrong if undef is used:
; (1 << Y) * X -> X << Y
%Op0 = shl 1, %Y
%r = mul %Op0, %Op1
=>
%r = shl %Op1, %Y
ERROR: Mismatch in values for i4 %r
Example:
i4 %Y = 0x8 (8, -8)
i4 %Op0 = 0x0 (0)
i4 %Op1 = 0x0 (0)
source: 0x0 (0)
target: 0x1 (1)
The optimization is correct if poison is returned instead:
http://rise4fun.com/Alive/ygX
Differential Revision: https://reviews.llvm.org/D33654
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304780
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Vivek Pandya [Tue, 6 Jun 2017 08:16:19 +0000 (08:16 +0000)]
[Improve CodeGen Testing] This patch renables MIRPrinter print fields which have value equal to its default.
If -simplify-mir option is passed then MIRPrinter will not print such fields.
This change also required some lit test cases in CodeGen directory to be changed.
Reviewed By: MatzeB
Differential Revision: https://reviews.llvm.org/D32304
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304779
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Chandler Carruth [Tue, 6 Jun 2017 07:49:34 +0000 (07:49 +0000)]
Fix an unused variable warning in non-asserts builds.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304778
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Craig Topper [Tue, 6 Jun 2017 07:13:17 +0000 (07:13 +0000)]
[InstSimplify] Remove some redundant code from InstSimplify now that llvm::isKnownNonEqual handles vectors.
isKnownNonEqual is called a little earlier in this function and can handle the case that we were checking here as well as more complex cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304775
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Craig Topper [Tue, 6 Jun 2017 07:13:15 +0000 (07:13 +0000)]
[ValueTracking] Remove scalar only restriction from isKnownNonEqual. The computeKnownBits and isKnownNonZero calls this code relies on should work fine for vectors.
This will be used by another commit to remove some code from InstSimplify that is redundant for scalars, but was needed for vectors due to this issue.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304774
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Craig Topper [Tue, 6 Jun 2017 07:13:13 +0000 (07:13 +0000)]
[InstSimplify] Use the getTrue/getFalse helpers and make sure we use the computed result type instead of hardcoding to i1. NFC
Currently, isKnownNonEqual punts on vectors so the hardcoding to i1 doesn't matter. But I plan to fix that in a future patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304773
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Craig Topper [Tue, 6 Jun 2017 07:13:11 +0000 (07:13 +0000)]
[ValueTracking] Use the computeKnownBits version that returns a KnownBits object instead of taking one by reference. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304772
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Craig Topper [Tue, 6 Jun 2017 07:13:09 +0000 (07:13 +0000)]
[ValueTracking] Use APInt::intersects to avoid some temporary APInts. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304771
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Craig Topper [Tue, 6 Jun 2017 07:13:04 +0000 (07:13 +0000)]
[InstSimplify] Use ICmpInst::isEquality predicate method. NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304770
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Mandeep Singh Grang [Tue, 6 Jun 2017 05:08:36 +0000 (05:08 +0000)]
[llvm] Remove double semicolons
Reviewers: craig.topper, arsenm, mehdi_amini
Reviewed By: mehdi_amini
Subscribers: mehdi_amini, wdng, nhaehnle, javed.absar, llvm-commits
Differential Revision: https://reviews.llvm.org/D33924
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304767
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Chandler Carruth [Tue, 6 Jun 2017 03:24:22 +0000 (03:24 +0000)]
[x86] Stop this test from dirtying the source tree when run.
The output isn't used anyways.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304766
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Xin Tong [Tue, 6 Jun 2017 02:34:41 +0000 (02:34 +0000)]
Add a dominanance check interface that uses caching for instructions within same basic block.
Summary:
This problem stems from the fact that instructions are allocated using new
in LLVM, i.e. there is no relationship that can be derived by just looking
at the pointer value.
This interface dispatches to appropriate dominance check given 2 instructions,
i.e. in case the instructions are in the same basic block, ordered basicblock
(with instruction numbering and caching) are used. Otherwise, dominator tree
is used.
This is a preparation patch for https://reviews.llvm.org/D32720
Reviewers: dberlin, hfinkel, davide
Subscribers: davide, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D33380
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304764
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Chandler Carruth [Tue, 6 Jun 2017 02:16:01 +0000 (02:16 +0000)]
[x86] Add the test for folding stack spills into pextrw.
This is a negative test as pextrw doesn't write to all 32-bits of the
spilled GPR. This fold ended up happening when D32684 was landed and
covers the regression that motivated reverting it in r304762.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304763
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Chandler Carruth [Tue, 6 Jun 2017 02:15:31 +0000 (02:15 +0000)]
[x86] Revert the X86FoldTablesEmitter due to more miscompiles.
In testing, we've found yet another miscompile caused by the new tables.
And this one is even less clear how to fix (we could teach it to fold
a 16-bit load instead of the 32-bit load it wants, or block folding
entirely).
Also, the approach to excluding instructions seems increasingly to not
scale well.
I have left a more detailed analysis on the review log for the original
patch (https://reviews.llvm.org/D32684) along with suggested path
forward. I will land an additional test case that I wrote which covers
the code that was miscompiling (folding into the output of `pextrw`) in
a subsequent commit to keep this a pure revert.
For each commit reverted here, I've restricted the revert to the
non-test code touching the x86 fold table emission until the last commit
where I did revert the test updates. This means the *new* test cases
added for `insertps` and `xchg` remain untouched (and continue to pass).
Reverted commits:
r304540: [X86] Don't fold into memory operands into insertps in the ...
r304347: [TableGen] Adapt more places to getValueAsString now ...
r304163: [X86] Don't fold away the memory operand of an xchg.
r304123: Don't capture a temporary std::string in a StringRef.
r304122: Resubmit "[X86] Adding new LLVM TableGen backend that ..."
Original commit was in r304088, and after a string of fixes was reverted
previously in r304121 to fix build bots, and then re-landed in r304122.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304762
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Wolfgang Pieb [Tue, 6 Jun 2017 01:22:34 +0000 (01:22 +0000)]
[DWARF] Adding support for the DWARF v5 string offsets table (consumer/reader part only).
Reviewers: dblaikie, aprantl
Differential Revision: https://reviews.llvm.org/D32779
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304759
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Matthias Braun [Tue, 6 Jun 2017 00:44:35 +0000 (00:44 +0000)]
CodeGen: Refactor MIR parsing
When parsing .mir files immediately construct the MachineFunctions and
put them into MachineModuleInfo.
This allows us to get rid of the delayed construction (and delayed error
reporting) through the MachineFunctionInitialzier interface.
Differential Revision: https://reviews.llvm.org/D33809
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304758
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Mandeep Singh Grang [Tue, 6 Jun 2017 00:36:09 +0000 (00:36 +0000)]
[cmake] Enable reverse iteration by default through build macro
Summary:
Reverse iteration can be turned on, by default, by setting -DLLVM_REVERSE_ITERATION:BOOL=ON during cmake.
With this enabled, we can uncover lots of cases of non-determinism in codegen by simply running our tests (without any other change).
We can then setup a buildbot which will have this turned on by default. Initially, a lot of unit tests will fail in this configuration.
Once we start fixing non-determinism issues, we can gradually make this a blocker for patches.
Reviewers: davide, dblaikie, mehdi_amini, dberlin
Reviewed By: dblaikie
Subscribers: probinson, mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D33908
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304757
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Matthias Braun [Tue, 6 Jun 2017 00:26:24 +0000 (00:26 +0000)]
llc: Create custom pass pipeline for .mir files; NFCI
Create a custom pass pipeline when loading .mir files even in
--start-after/--start-before cases.
This streamlines the mir handling code and prepares for an upcoming
commit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304755
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Matthias Braun [Tue, 6 Jun 2017 00:26:13 +0000 (00:26 +0000)]
CodeGen/LLVMTargetMachine: Refactor ISel pass construction; NFCI
- Move ISel (and pre-isel) pass construction into TargetPassConfig
- Extract AsmPrinter construction into a helper function
Putting the ISel code into TargetPassConfig seems a lot more natural and
both changes together make make it easier to build custom pipelines
involving .mir in an upcoming commit. This moves MachineModuleInfo to an
earlier place in the pass pipeline which shouldn't have any effect.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304754
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Sanjay Patel [Tue, 6 Jun 2017 00:18:11 +0000 (00:18 +0000)]
[x86] fix over-specific triple; NFC
There's nothing darwin-specific in these tests, and using that
setting causes extra phantom diffs when the auto-generated check
lines are regenerated today.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304753
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Quentin Colombet [Mon, 5 Jun 2017 23:51:27 +0000 (23:51 +0000)]
[InlineSpiller] Don't spill fully undef values
Althought it is not wrong to spill undef values, it is useless and harms
both code size and runtime. Before spilling a value, check that its
content actually matters.
http://www.llvm.org/PR33311
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304752
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Evgeny Stupachenko [Mon, 5 Jun 2017 23:37:00 +0000 (23:37 +0000)]
Fix PR23384 (part 2 of 3) NFC
Summary:
The patch moves LSR cost comparison to target part.
Reviewers: qcolombet
Differential Revision: http://reviews.llvm.org/D30561
From: Evgeny Stupachenko <evstupac@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304750
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Matt Arsenault [Mon, 5 Jun 2017 23:01:31 +0000 (23:01 +0000)]
Remove double semicolon
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304749
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Matthias Braun [Mon, 5 Jun 2017 22:59:21 +0000 (22:59 +0000)]
Remove some #include from StackProtector.h; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304748
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Matt Arsenault [Mon, 5 Jun 2017 22:58:57 +0000 (22:58 +0000)]
RenameIndependentSubregs: Fix handling of undef tied operands
If a tied source operand was undef, it would be replaced but not
update the other tied operand, which would end up using different
virtual registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304747
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Evgeny Stupachenko [Mon, 5 Jun 2017 22:44:18 +0000 (22:44 +0000)]
LSR: Calculate instruction cost only if InsnsCost is set to true (NFC)
Summary:
The patch guard all instruction cost calculations with InsnCosts (-lsr-insns-cost) option.
Currently even if the option set to false we calculate and print (in debug mode) instruction costs.
Reviewers: qcolombet
Differential Revision: http://reviews.llvm.org/D33914
From: Evgeny Stupachenko <evstupac@gmail.com>
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304746
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Volkan Keles [Mon, 5 Jun 2017 22:17:17 +0000 (22:17 +0000)]
[GlobalISel] IRTranslator: Add MachineMemOperand to target memory intrinsics
Reviewers: qcolombet, ab, t.p.northover, aditya_nandakumar, dsanders
Reviewed By: qcolombet
Subscribers: rovka, kristof.beyls, javed.absar, igorb, llvm-commits
Differential Revision: https://reviews.llvm.org/D33724
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304743
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