Benjamin Kramer [Mon, 29 Aug 2016 12:41:32 +0000 (12:41 +0000)]
Mark test as XFAIL instead of disabling it everywhere.
There is no lit feature 'X86' so this test is just disabled completely.
Make it XFAIL until a solution is found.
llvm-svn: 279966
Rafael Espindola [Mon, 29 Aug 2016 12:33:42 +0000 (12:33 +0000)]
Move code only used by codegen out of MC. NFC.
MC itself never needs to know about these sections.
llvm-svn: 279965
Haojian Wu [Mon, 29 Aug 2016 12:26:33 +0000 (12:26 +0000)]
Fix -Wunused-but-set-variable warning.
Summary: A follow-up fix on r279958.
Reviewers: bkramer
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D23989
llvm-svn: 279964
Tom Stellard [Mon, 29 Aug 2016 12:05:32 +0000 (12:05 +0000)]
AMDGPU/SI: Query AA, if available, in areMemAccessesTriviallyDisjoint()
Summary:
The SILoadStoreOptimizer will need to use AliasAnalysis here in order to
move it before scheduling.
Reviewers: arsenm
Subscribers: arsenm, llvm-commits, kzhuravl
Differential Revision: https://reviews.llvm.org/D23813
llvm-svn: 279963
Igor Kudrin [Mon, 29 Aug 2016 11:48:50 +0000 (11:48 +0000)]
[Coverage] Prevent creating a redundant counter if a nested body ends with a macro.
If there were several nested statements arranged in a way that all of them
end up with the same macro, then the expansion of this macro was assigned
with all the corresponding counters of these statements.
As a result, the wrong counter value was shown for the macro in llvm-cov.
This patch fixes the issue by preventing adding a counter for an expanded
source range if it already has an assigned counter, which is expected
to come from the most specific statement.
Differential Revision: https://reviews.llvm.org/D23160
llvm-svn: 279962
Igor Breger [Mon, 29 Aug 2016 09:12:31 +0000 (09:12 +0000)]
Fixed a bug in type legalizer for masked gather.
The problem occurs when the Node doesn't updated in place , UpdateNodeOperation() return the node that already exist.
In this case assert fail in PromoteIntegerOperand() , N have 2 results ( val + chain).
Differential Revision: http://reviews.llvm.org/D23756
llvm-svn: 279961
Igor Breger [Mon, 29 Aug 2016 08:52:52 +0000 (08:52 +0000)]
[AVX512] In some cases KORTEST instruction may be used instead of ZEXT + TEST sequence.
Differential Revision: http://reviews.llvm.org/D23490
llvm-svn: 279960
Haojian Wu [Mon, 29 Aug 2016 08:48:15 +0000 (08:48 +0000)]
[InstructionSelect] NumBlocks isn't defined in DEBUG build.
Summary: A follow-up fixing on http://llvm.org/viewvc/llvm-project?view=revision&revision=279905.
Reviewers: bkramer
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D23985
llvm-svn: 279959
Craig Topper [Mon, 29 Aug 2016 04:49:31 +0000 (04:49 +0000)]
[X86] Don't lower FABS/FNEG masking directly to a ConstantPool load. Just create a ConstantFPSDNode and let that be lowered.
This allows broadcast loads to used when available.
llvm-svn: 279958
Craig Topper [Mon, 29 Aug 2016 04:49:27 +0000 (04:49 +0000)]
[AVX-512] Always use v8i64 when converting 512-bit FAND/FOR/FXOR/FANDN to integer operations when DQI isn't supported. This is consistent with the recent changes to promote logical operations to i64 vectors.
llvm-svn: 279957
Craig Topper [Mon, 29 Aug 2016 04:49:24 +0000 (04:49 +0000)]
[AVX-512] Add 512-bit fabs tests with and without AVX512DQ.
llvm-svn: 279956
Eric Fiselier [Mon, 29 Aug 2016 01:43:41 +0000 (01:43 +0000)]
Fix pair::operator=(TupleLike&&).
This assignment operator was previously broken since the SFINAE always resulted
in substitution failure. This caused assignments to turn into
copy construction + assignment.
This patch was originally committed as r279953 but was reverted due to warnings
in the test-suite. This new patch corrects those warnings.
llvm-svn: 279955
Eric Fiselier [Mon, 29 Aug 2016 01:39:54 +0000 (01:39 +0000)]
Revert r279953 - Fix pair::operator=(TupleLike&&)
The test emits warnings causing the test-suite to fail. Since I want this
patch merged into 3.9 I'll recommit it with a clean test.
llvm-svn: 279954
Eric Fiselier [Mon, 29 Aug 2016 01:09:47 +0000 (01:09 +0000)]
Fix pair::operator=(TupleLike&&).
This assignment operator was previously broken since the SFINAE always resulted
in substitution failure. This caused assignments to turn into
copy construction + assignment.
llvm-svn: 279953
Lang Hames [Mon, 29 Aug 2016 00:54:29 +0000 (00:54 +0000)]
[Orc] Simplify LogicalDylib and move it back inside CompileOnDemandLayer. Also
switch to using one indirect stub manager per logical dylib rather than one per
input module.
LogicalDylib is a helper class used by the CompileOnDemandLayer to manage
symbol resolution between modules during lazy compilation. In particular, it
ensures that internal symbols resolve correctly even in the case where multiple
input modules contain the same internal symbol name (which must to be promoted
to external hidden linkage so that functions in any given module can be split
out by lazy compilation). LogicalDylib's resolution scheme (before this commit)
required one stub-manager per input module. This made recompilation of functions
(by adding a module containing a new definition) difficult, as the stub manager
for any given symbol was bound to the module that supplied the original
definition. By using one stubs manager for the whole logical dylib symbols can
be more easily replaced, although support for doing this is not included in this
patch (it will be implemented in a follow up).
llvm-svn: 279952
Craig Topper [Sun, 28 Aug 2016 22:20:51 +0000 (22:20 +0000)]
[AVX-512] Add support for selecting 512-bit VPABSB/VPABSW when BWI is available.
llvm-svn: 279951
Craig Topper [Sun, 28 Aug 2016 22:20:48 +0000 (22:20 +0000)]
[AVX-512] Add patterns for selecting 128/256-bit EVEX VPABS instructions.
llvm-svn: 279950
Craig Topper [Sun, 28 Aug 2016 22:20:45 +0000 (22:20 +0000)]
[AVX-512] Add testcases showing that we don't emit 512-bit vpabsb/vpabsw. Will be fixed in a future commit.
llvm-svn: 279949
Eric Fiselier [Sun, 28 Aug 2016 22:14:37 +0000 (22:14 +0000)]
Implement C++17 std::sample.
This patch implements the std::sample function added to C++17 from LFTS. It
also removes the std::experimental::sample implementation which now forwards
to std::sample.
llvm-svn: 279948
Eric Fiselier [Sun, 28 Aug 2016 21:55:00 +0000 (21:55 +0000)]
Mark LWG 2716 as complete - shuffle and sample disallows lvalue URNGs.
Libc++'s implementation of shuffle and sample already support lvalue and rvalue
RNG's. This patch adds tests for both categories and marks the issue as complete.
This patch also contains drive-by change for std::experimental::sample which
improves the diagnostics produced when the correct iterator categories are
not supplied.
llvm-svn: 279947
Saleem Abdulrasool [Sun, 28 Aug 2016 21:33:30 +0000 (21:33 +0000)]
AST: improve layout of SimpleTypoCorrector
Add the "explicit" specifier to the single-argument constructor of
SimpleTypoCorrector. Reorder the fields to remove excessive padding (8 bytes).
Patch by Alexander Shaposhnikov!
llvm-svn: 279946
Eric Fiselier [Sun, 28 Aug 2016 21:26:01 +0000 (21:26 +0000)]
Implement LWG 2711. Constrain path members.
llvm-svn: 279945
Sylvestre Ledru [Sun, 28 Aug 2016 20:33:42 +0000 (20:33 +0000)]
Fix some typos in the doc
llvm-svn: 279944
Sylvestre Ledru [Sun, 28 Aug 2016 20:29:18 +0000 (20:29 +0000)]
Fix some typos in the doc
llvm-svn: 279943
Sylvestre Ledru [Sun, 28 Aug 2016 20:22:34 +0000 (20:22 +0000)]
Fix a typo in the doc: overriden -> overridden
llvm-svn: 279942
Saleem Abdulrasool [Sun, 28 Aug 2016 20:10:33 +0000 (20:10 +0000)]
EHABI: fail on WMMX vops without WMMX support
When the unwinder is built without WMMX support, if we encounter a WMMX register
virtual operation, early rather than attempting to continue as we would not have
saved the register set anyways. This should never come down this path, but,
just in case, help it abort more explicitly.
llvm-svn: 279941
Eric Fiselier [Sun, 28 Aug 2016 18:33:08 +0000 (18:33 +0000)]
[Docs] Update libc++ target names after r279675.
llvm-svn: 279940
Sanjay Patel [Sun, 28 Aug 2016 18:31:32 +0000 (18:31 +0000)]
[x86] add tests for <3 x N> vector types (PR29114)
llvm-svn: 279939
Eric Fiselier [Sun, 28 Aug 2016 18:28:51 +0000 (18:28 +0000)]
[CMake] Be more consistent about naming targets and components in libc++abi
This patch (and commit summary) mirror r279675 by Chris B which was applied
to libc++ but not libc++abi.
Summary:
The point of this patch is to have a consistent convention for naming build,
check and install targets so that the targets can be constructed from the
project name.
This change renames a bunch of CMake components and targets from libcxxabi to
cxxabi. For each renamed target I've added a convenience target that matches
the old target name and depends on the new target. This will preserve function
of the old targets so that the change doesn't break the world. We can evaluate
if it is worth removing the extra targets later.
llvm-svn: 279938
Sanjay Patel [Sun, 28 Aug 2016 18:18:00 +0000 (18:18 +0000)]
[InstCombine] use m_APInt to allow icmp (and X, Y), C folds for splat constant vectors
llvm-svn: 279937
Eric Fiselier [Sun, 28 Aug 2016 18:16:18 +0000 (18:16 +0000)]
[CMake] Apply r279151 cleanup to libc++abi.
This patch applies changes similar to those in r279515 to libc++abi.
Summary of changes in this patch:
* Renamed variable LLVM_CONFIG -> LLVM_CONFIG_PATH
* Renamed variable LIBCXXABI_BUILT_STANDALONE -> LIBCXXABI_STANDALONE_BUILD
* Add an include of AddLLVM in the tests subdirectory for add_lit_testsuite.
llvm-svn: 279936
Saleem Abdulrasool [Sun, 28 Aug 2016 18:16:00 +0000 (18:16 +0000)]
test: fix test under ASAN and MSAN
When we're running tests under ASAN or MSAN, they're compiled with -O1, which
enables tail call elimination. This causes backtrace_test to fail: the compiler
performs tail call elimination for call3_nothrow, but it can't for call3_throw,
leading to a mismatched frame count. Disable tail call elimination (and
inlining, just to be explicit) to avoid this.
Patch by Shoaib Meenai!
llvm-svn: 279935
Simon Pilgrim [Sun, 28 Aug 2016 17:27:14 +0000 (17:27 +0000)]
[X86][AVX512] Only combine EVEX targets shuffles to shuffles of the same number of vector elements
Over eager combing prevents the correct folding of writemasks.
At the moment this occurs for ALL EVEX shuffles, in the future we need to check that the user of the root shuffle is a VSELECT that can fold to a writemask.
llvm-svn: 279934
Hal Finkel [Sun, 28 Aug 2016 16:17:58 +0000 (16:17 +0000)]
[PowerPC] Implement lowering for atomicrmw min/max/umin/umax
Implement lowering for atomicrmw min/max/umin/umax. Fixes PR28818.
llvm-svn: 279933
Filipe Cabecinhas [Sun, 28 Aug 2016 10:42:21 +0000 (10:42 +0000)]
Revert "Start reifying error descriptions. Second try: Try to appease Visual Studio."
This reverts r279931. Will try it with the same Visual Studio version
before committing again.
llvm-svn: 279932
Filipe Cabecinhas [Sun, 28 Aug 2016 10:32:44 +0000 (10:32 +0000)]
Start reifying error descriptions. Second try: Try to appease Visual Studio.
Summary:
This commit sets up the infrastructure to use reified error
descriptions, and moves ReportStackOverflow to the new system.
After we convert all the errors, we'll be able to simplify ScopedInErrorReport
and remove the older debugging mechanism which had some errors partly reified
in some way. We'll be able to maintain the external API.
ScopedInErrorReport will be able to track one of the reified errors at a time.
The purpose of this is so we have its destructor actually print the error and
possibly interface with the debugger (will depend on the platform, of course).
Reviewers: kcc, samsonov, timurrrr
Subscribers: kubabrecka, llvm-commits
Differential Revision: https://reviews.llvm.org/D23672
llvm-svn: 279931
Elena Demikhovsky [Sun, 28 Aug 2016 08:53:53 +0000 (08:53 +0000)]
[Loop Vectorizer] Fixed memory confilict checks.
Fixed a bug in run-time checks for possible memory conflicts inside loop.
The bug is in Low <-> High boundaries calculation. The High boundary should be calculated as "last memory access pointer + element size".
Differential revision: https://reviews.llvm.org/D23176
llvm-svn: 279930
Craig Topper [Sun, 28 Aug 2016 06:06:28 +0000 (06:06 +0000)]
[AVX-512] Promote AND/OR/XOR to v2i64/v4i64/v8i64 even when we have AVX512F/AVX512VL.
Previously we weren't creating masked logical operations if bitcasts appeared between the logic operation and the select. The IR optimizers can move bitcasts across logic operations and create these cases. To minimize the number of cases we need to handle, this change promotes all logic ops to an i64 vector type just like when only SSE or AVX is available.
Unfortunately, this also has the consequence of making it difficult to select unmasked VPANDD/VPORD/VPXORD in all the cases it was previously used. This is the cause of most of the test change. This shouldn't result in any functional change though.
llvm-svn: 279929
Craig Topper [Sun, 28 Aug 2016 06:06:24 +0000 (06:06 +0000)]
[AVX-512] Add tests to show that we don't select masked logic ops if there are bitcasts between the logic op and the select.
This is taken from optimized IR of clang test cases for masked logic ops.
llvm-svn: 279928
Craig Topper [Sun, 28 Aug 2016 06:06:21 +0000 (06:06 +0000)]
[X86] Rename PABSB/D/W instructions to be consistent with SSE/AVX instructions instead of ending 128/256. NFC
llvm-svn: 279927
Dimitry Andric [Sat, 27 Aug 2016 19:32:03 +0000 (19:32 +0000)]
Avoid embedded preprocessor directives in __tree
Similar to rL242623, move C++ version checks outside of _NOEXCEPT_()
macro invocation argument lists, to avoid "embedding a directive within
macro arguments has undefined behavior" warnings.
Differential Revision: https://reviews.llvm.org/D23961
llvm-svn: 279926
Jan Vesely [Sat, 27 Aug 2016 19:09:43 +0000 (19:09 +0000)]
AMDGPU/R600: Enable Load combine
Fix and improve tests
Differential Revision: https://reviews.llvm.org/D23899
llvm-svn: 279925
Craig Topper [Sat, 27 Aug 2016 17:13:43 +0000 (17:13 +0000)]
[X86] Rename predicate function that detects if requires one of the REX.B, REX.X or REX.R bits. It's old name conflicted with a function in X8II namespace that doesnt' quite do the same thing. NFC
llvm-svn: 279924
Craig Topper [Sat, 27 Aug 2016 17:13:41 +0000 (17:13 +0000)]
[X86] Keep looping over operands looking for byte registers even if we already found a register that requires a REX prefix. Otherwise we don't error if a high byte register is used after SPL/BPL/DIL/SIL.
llvm-svn: 279923
Craig Topper [Sat, 27 Aug 2016 17:13:37 +0000 (17:13 +0000)]
[X86] Include XMM/YMM/ZMM16-23 in X86II::isX86_64ExtendedReg. This feels more consistent with its name and simplifies assembler code.
llvm-svn: 279922
Craig Topper [Sat, 27 Aug 2016 17:13:34 +0000 (17:13 +0000)]
[X86] Don't allow DR8-DR15 to be assembled in 32-bit mode. Add missing test for CR8-CR15.
llvm-svn: 279921
Zachary Turner [Sat, 27 Aug 2016 16:38:11 +0000 (16:38 +0000)]
Fix some build bot breakages.
There was some code that was ifdef'ed out that I didn't catch
in my earlier patch.
llvm-svn: 279920
Zachary Turner [Sat, 27 Aug 2016 16:35:15 +0000 (16:35 +0000)]
Add some unit tests for StringExtractor::GetNameColonValue.
These are helpful on their own, but will be even more useful
once the GetNameColonValue is updated to return StringRefs
instead of std::strings.
llvm-svn: 279919
Akira Hatanaka [Sat, 27 Aug 2016 16:06:36 +0000 (16:06 +0000)]
[asan] Disable tests more selectively.
Add "target-arch+host-os" to the feature list to enable disabling the
tests I committed in r279614 and r279880 more selectively.
llvm-svn: 279918
Zachary Turner [Sat, 27 Aug 2016 15:52:29 +0000 (15:52 +0000)]
Convert some functions to use StringRef instead of c_str, len
This started as an effort to change StringExtractor to store a
StringRef internally instead of a std::string. I got that working
locally with just 1 test failure which I was unable to figure out the
cause of. But it was also a massive changelist due to a trickle
down effect of changes.
So I'm starting over, using what I learned from the first time to
tackle smaller, more isolated changes hopefully leading up to
a full conversion by the end.
At first the changes (such as in this CL) will seem mostly
a matter of preference and pointless otherwise. However, there
are some places in my larger CL where using StringRef turned 20+
lines of code into 2, drastically simplifying logic. Hopefully
once these go in they will illustrate some of the benefits of
thinking in terms of StringRef.
llvm-svn: 279917
Akira Hatanaka [Sat, 27 Aug 2016 05:57:50 +0000 (05:57 +0000)]
[asan] Use "REQUIRES: x86_64-target-arch" to disable the test on i386.
My attempt to disable this test on i386 by adding "UNSUPPORTED: i386-apple"
in r279880 wasn't succesful, so I'm using REQUIRES instead.
llvm-svn: 279916
Craig Topper [Sat, 27 Aug 2016 05:26:54 +0000 (05:26 +0000)]
[X86] Remove stale comment about FixupBWInsts pass being off by default. NFC
llvm-svn: 279915
Craig Topper [Sat, 27 Aug 2016 05:22:15 +0000 (05:22 +0000)]
[AVX-512] Allow EVEX encoding unordered/ordered/equal/notequal VCMPPS/PD/SS/SD to be commuted just like the SSE and AVX counterparts.
llvm-svn: 279914
Craig Topper [Sat, 27 Aug 2016 05:22:12 +0000 (05:22 +0000)]
[X86] Enable FR32/FR64 cmpeq/cmpne/cmpunord/cmpord to be commuted.
llvm-svn: 279913
Craig Topper [Sat, 27 Aug 2016 05:22:08 +0000 (05:22 +0000)]
[AVX-512] Add load folding for EVEX vcmpps/pd/ss/sd.
llvm-svn: 279912
Teresa Johnson [Sat, 27 Aug 2016 04:41:22 +0000 (04:41 +0000)]
[LTO] Don't create a new common unless merged has different size
Summary:
This addresses a regression in common handling from the new LTO
API in r278338. Only create a new common if the size is different.
The type comparison against an array type fails when the size is
different but not an array. GlobalMerge does not handle the
array types as well and we lose some global merging opportunities.
Reviewers: mehdi_amini
Subscribers: junbuml, llvm-commits, mehdi_amini
Differential Revision: https://reviews.llvm.org/D23955
llvm-svn: 279911
Matt Arsenault [Sat, 27 Aug 2016 03:39:27 +0000 (03:39 +0000)]
AMDGPU: Mark sched model complete
Fixes bug 26800
llvm-svn: 279910
Matt Arsenault [Sat, 27 Aug 2016 03:00:51 +0000 (03:00 +0000)]
AMDGPU: Remove unneeded implicit exec uses/defs
SI_BREAK, SI_IF_BREAK, and SI_ELSE_BREAK do not def exec.
SI_IF_BREAK and SI_ELSE_BREAK do not read it either.
llvm-svn: 279909
Lang Hames [Sat, 27 Aug 2016 02:59:24 +0000 (02:59 +0000)]
[Orc] Explicitly specify type for assignment.
This should fix the MSVC errors in
http://lab.llvm.org:8011/builders/clang-x64-ninja-win7/builds/15120
llvm-svn: 279908
Sebastian Pop [Sat, 27 Aug 2016 02:48:41 +0000 (02:48 +0000)]
GVN-hoist: invalidate MD cache (PR29144)
Without invalidating the entries in the MD cache we would try to access instructions
that were removed in previous iterations of hoisting.
Differential Revision: https://reviews.llvm.org/D23927
llvm-svn: 279907
Quentin Colombet [Sat, 27 Aug 2016 02:38:27 +0000 (02:38 +0000)]
[RegBankSelect] Do not abort when the target wants to fall back.
llvm-svn: 279906
Quentin Colombet [Sat, 27 Aug 2016 02:38:24 +0000 (02:38 +0000)]
[InstructionSelect] Do not abort when the target wants to fall back.
llvm-svn: 279905
Quentin Colombet [Sat, 27 Aug 2016 02:38:21 +0000 (02:38 +0000)]
[MachineLegalize] Do not abort when the target wants to fall back.
llvm-svn: 279904
Aditya Kumar [Sat, 27 Aug 2016 02:26:42 +0000 (02:26 +0000)]
Add attribute noreturn to functions that throw
Reviewers: mclow.lists, EricWF, howard.hinnant, sebpop
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D21232
llvm-svn: 279903
Matt Arsenault [Sat, 27 Aug 2016 01:32:27 +0000 (01:32 +0000)]
AMDGPU: Select mulhi 24-bit instructions
llvm-svn: 279902
Matt Arsenault [Sat, 27 Aug 2016 01:00:37 +0000 (01:00 +0000)]
AMDGPU: Move cndmask pseudo to be isel pseudo
There's only one use of this for the convenience
of a pattern. I think v_mov_b64_pseudo should also be
moved, but SIFoldOperands does currently make use of it.
llvm-svn: 279901
Matt Arsenault [Sat, 27 Aug 2016 00:51:02 +0000 (00:51 +0000)]
AMDGPU: Fix sched type for branches
llvm-svn: 279900
Matt Arsenault [Sat, 27 Aug 2016 00:42:21 +0000 (00:42 +0000)]
AMDGPU: Remove register operand from si_mask_branch
It isn't used for anything, and is also misleading since
it could be spilled at the end of the block, so it can't be relied
on. There ends up being a verifier error about using an undefined
register since the spill kills the register.
llvm-svn: 279899
Kostya Serebryany [Sat, 27 Aug 2016 00:36:20 +0000 (00:36 +0000)]
[asan] restrict release_to_os_test.cc to x86_64
llvm-svn: 279898
Jim Ingham [Sat, 27 Aug 2016 00:35:48 +0000 (00:35 +0000)]
This test now succeeds.
llvm-svn: 279897
Sean Callanan [Sat, 27 Aug 2016 00:35:37 +0000 (00:35 +0000)]
Fixed the location of a conditional to make the following code clearer.
llvm-svn: 279896
Matt Arsenault [Sat, 27 Aug 2016 00:21:22 +0000 (00:21 +0000)]
AMDGPU: Improve error reporting for maximum branch distance
Unfortunately this seems to only help the assembler diagnostic.
llvm-svn: 279895
Sean Callanan [Sat, 27 Aug 2016 00:20:38 +0000 (00:20 +0000)]
The error stream in IRForTarget is never null, so use it instead of the log.
llvm-svn: 279894
Chris Bieneman [Sat, 27 Aug 2016 00:19:51 +0000 (00:19 +0000)]
[CMake] Only generate Components.cmake if components are specified
Generating the Components import file is useless if there are no components coming in from the runtimes configuration, so we should skip generation in that case.
This also should fix the configuration error that Renato reported on llvm-dev.
llvm-svn: 279893
Lang Hames [Sat, 27 Aug 2016 00:19:05 +0000 (00:19 +0000)]
[ORC] Fix typo in LogicalDylib, add unit test.
llvm-svn: 279892
Quentin Colombet [Sat, 27 Aug 2016 00:18:31 +0000 (00:18 +0000)]
[GlobalISel] Add a fallback path to SDISel.
When global-isel fails on a MachineFunction MF, MF will be cleaned up
and given to SDISel.
Thanks to this fallback, we can already perform correctness test even if
we support only a small portion of the functions in a test.
llvm-svn: 279891
Quentin Colombet [Sat, 27 Aug 2016 00:18:28 +0000 (00:18 +0000)]
[AArch64][CallLowering] Do not assert for not implemented part.
When doing the ABI lowering, report a failure to the caller instead of
asserting. This gives a chance for the caller to recover.
llvm-svn: 279890
Quentin Colombet [Sat, 27 Aug 2016 00:18:24 +0000 (00:18 +0000)]
[GlobalISel] Teach the core pipeline not to run if ISel failed.
llvm-svn: 279889
Michael Kuperstein [Sat, 27 Aug 2016 00:10:24 +0000 (00:10 +0000)]
[X86] Add baseline test for "odd" shuffles. NFC.
Adds a baseline test for lowering shuffles where the width of the output
vector is not twice the size of the input vectors. Many of those sequences
are suboptimal, and will hopefully be improved in follow-up patches.
llvm-svn: 279888
Kostya Serebryany [Fri, 26 Aug 2016 23:58:42 +0000 (23:58 +0000)]
[asan] first attempt at releasing free-d memory back to the system using madvise. Requires quite some tuning.
llvm-svn: 279887
Quentin Colombet [Fri, 26 Aug 2016 23:49:05 +0000 (23:49 +0000)]
[IRTranslator] Do not abort when the target wants to fall back.
Every pass in the GlobalISel pipeline will need to do something similar.
llvm-svn: 279886
Quentin Colombet [Fri, 26 Aug 2016 23:49:01 +0000 (23:49 +0000)]
[MFProperties] Introduce a FailedISel property.
This is used to communicate that the instruction selection pipeline
failed at some point.
Another way to achieve that would be to have some kind of conditional
scheduling in the PassManager, such that we only schedule a pass based
on the success/failure of another one. The property approach has the
advantage of being lightweight and solve the problem at stake.
llvm-svn: 279885
Sean Callanan [Fri, 26 Aug 2016 23:48:03 +0000 (23:48 +0000)]
Fixed a bad lldbassert() condition.
llvm-svn: 279884
Teresa Johnson [Fri, 26 Aug 2016 23:29:14 +0000 (23:29 +0000)]
[ThinLTO] Move loading of cache entry to client
Summary:
Have the cache pass back the path to the cache entry when it
is ready to be loaded, instead of a buffer.
For gold-plugin we can simply pass this file back to gold directly,
which avoids expensive writing of a separate tmp file. Ensure
the cache entry is not deleted on cleanup by adjusting the setting
of the IsTemporary flags.
Moved the loading of the buffer into llvm-lto2 to maintain current
behavior.
Reviewers: mehdi_amini
Subscribers: llvm-commits, mehdi_amini
Differential Revision: https://reviews.llvm.org/D23946
llvm-svn: 279883
Kate Stone [Fri, 26 Aug 2016 23:28:47 +0000 (23:28 +0000)]
Tables of command options in LLDB benefit from hand-formatting to make it
easier to scan a set of options with a relatively large number of positional
arguments. This commit standardizes their formatting throughout LLDB and
applies surrounding directives to exempt them from being formatted by
clang-format.
These kinds of exemptions should be rare cases that benefit significantly
from alternative formatting. They also imply a long-term obligation to
maintain their format since the automated tools will not do so.
llvm-svn: 279882
Andrew Kaylor [Fri, 26 Aug 2016 23:11:48 +0000 (23:11 +0000)]
Adding document describing the use of the -opt-bisect-limit option.
llvm-svn: 279881
Akira Hatanaka [Fri, 26 Aug 2016 23:08:28 +0000 (23:08 +0000)]
[asan] Mark symbolize_pc.cc as UNSUPPORTED on i386-apple.
atos currently doesn't work well when loaded from 32-bit binaries, which
was causing some of the bots to fail. Disable this test until we can
come up with a better fix.
llvm-svn: 279880
Quentin Colombet [Fri, 26 Aug 2016 22:32:59 +0000 (22:32 +0000)]
[TargetPassConfig] Add a target hook to know what GlobalISel should do on error.
By default, this hook tells GlobalISel to abort (report a fatal error)
when it encounters an error. The alternative will be to fall back on
SDISel.
This fall back will be removed when the bring-up of GlobalISel is over.
llvm-svn: 279879
Quentin Colombet [Fri, 26 Aug 2016 22:32:57 +0000 (22:32 +0000)]
[IRTranslator][NFC] Use DEBUG_TYPE instead of repeating the name.
llvm-svn: 279878
Quentin Colombet [Fri, 26 Aug 2016 22:32:55 +0000 (22:32 +0000)]
[SelectionDAG] Do not run the ISel process on already selected code.
Right now, this cannot happen, but with the fall back path of GlobalISel
it will show up eventually.
llvm-svn: 279877
Quentin Colombet [Fri, 26 Aug 2016 22:32:53 +0000 (22:32 +0000)]
[MachineFunction] Introduce a reset method.
This method allows to reset the state of a MachineFunction as if it was
just created. This will be used during the bring-up of GlobalISel to
provide a way to fallback on SelectionDAG. That way, we can start doing
correctness testing even if we are not able to select all functions via
the global instruction selector.
llvm-svn: 279876
Justin Bogner [Fri, 26 Aug 2016 22:29:36 +0000 (22:29 +0000)]
TableGen: Switch from a std::map to a DenseMap in CodeGenSubRegIndex. NFC
This mapping is between pointers, which DenseMap is particularly good
at. Most targets aren't really affected, but if there's a lot of
subregister composition this can shave off a good chunk of time from
generating registers.
llvm-svn: 279875
Quentin Colombet [Fri, 26 Aug 2016 22:09:11 +0000 (22:09 +0000)]
[MFProperties] Introduce a reset method with no argument.
This method allows to reset all the properties in one go.
llvm-svn: 279874
Quentin Colombet [Fri, 26 Aug 2016 22:09:08 +0000 (22:09 +0000)]
[MFProperties][NFC] Rename clear into reset to match BitVector naming.
The name clear is used to reset all the bit in bitvectors and using it
to reset just properties was confusing.
llvm-svn: 279873
Nico Weber [Fri, 26 Aug 2016 21:51:14 +0000 (21:51 +0000)]
clang-cl: Support MSVC2015's /validate-charset flag.
Clang always assumes that files are utf-8. If an invalidly encoded character is
used in an identifier, clang always errors. If it's used in a character
literal, clang warns Winvalid-source-encoding (on by default). Clang never
checks the encoding of things in comments (adding this seems like a nice
feature if it doesn't impact performance).
For cl.exe /utf-8 (which enables /validate-charset), if a bad character is used
in an identifier, it emits both an error and a warning. If it's used in a
literal or a comment, it emits a warning.
So mapping /validate-charset to -Winvalid-source-encoding seems like a fairly
decent fit.
https://reviews.llvm.org/D23945
llvm-svn: 279872
Renato Golin [Fri, 26 Aug 2016 21:45:39 +0000 (21:45 +0000)]
[ARM] Adding .arch directives around WMMX unwind code
Some unwind code is purposedly old enough to work on previous architecutres
and they're guaranteed to never trigger in newer architectures, so we need
to add .arch directives to tell the compiler/assembler that it's fine and we
know what we're doing.
Fixes PR29149.
llvm-svn: 279871
Tom Stellard [Fri, 26 Aug 2016 21:36:47 +0000 (21:36 +0000)]
AMDGPU/SI: Canonicalize offset order for merged DS instructions
Summary:
If the scheduler clusters the loads, then the offsets will be sorted,
but it is possible for the scheduler to scheduler loads together
without out explicitly clustering them, which would give us non-sorted
offsets.
Also, we will want to do this if we move the load/store optimizer before
the scheduler.
Reviewers: arsenm
Subscribers: arsenm, llvm-commits, kzhuravl
Differential Revision: https://reviews.llvm.org/D23776
llvm-svn: 279870
Nico Weber [Fri, 26 Aug 2016 21:26:29 +0000 (21:26 +0000)]
clang-cl: Accept MSVC2015's '/utf-8' flag.
Clang always behaves as if that's passed, so just ignore the flag.
llvm-svn: 279869
Tom Stellard [Fri, 26 Aug 2016 21:16:40 +0000 (21:16 +0000)]
XXX
llvm-svn: 279868
Tom Stellard [Fri, 26 Aug 2016 21:16:37 +0000 (21:16 +0000)]
AMDGPU/SI: Use a better method for determining the largest pressure sets
Summary:
There are a few different sgpr pressure sets, but we only care about
the one which covers all of the sgprs. We were using hard-coded
register pressure set names to determine the reg set id for the
biggest sgpr set. However, we were using the wrong name, and this
method is pretty fragile, since the reg pressure set names may
change.
The new method just looks for the pressure set that contains the most
reg units and sets that set as our SGPR pressure set. We've also
adopted the same technique for determining our VGPR pressure set.
Reviewers: arsenm
Subscribers: MatzeB, arsenm, llvm-commits, kzhuravl
Differential Revision: https://reviews.llvm.org/D23687
llvm-svn: 279867