Commit Graph

27800 Commits

Author SHA1 Message Date
Eli Friedman bd254a6f45 [InstCombine] Don't widen metadata on store-to-load forwarding
The original check for load CSE or store-to-load forwarding is wrong
when the forwarded stored value happened to be a load.

Ref https://github.com/JuliaLang/julia/issues/16894

Differential Revision: http://reviews.llvm.org/D21271

Patch by Yichao Yu!

llvm-svn: 272868
2016-06-16 02:33:42 +00:00
Xinliang David Li 1e16d61f1f Address review feedbacks of AddDiscriminator change
llvm-svn: 272850
2016-06-15 22:20:56 +00:00
Xinliang David Li 1eaecefaf9 [PM] Port Add discriminator pass to new PM
llvm-svn: 272847
2016-06-15 21:51:30 +00:00
Rui Ueyama 5dbea9db10 [Codeview] Add a class for LF_UDT_MOD_SRC_LINE.
Differential Revision: http://reviews.llvm.org/D21406

llvm-svn: 272843
2016-06-15 21:25:29 +00:00
Reid Kleckner 828c4f64e2 [codeview] Move deserialization methods out of line
They aren't performance critical and don't need to be inline.

llvm-svn: 272829
2016-06-15 20:30:34 +00:00
Matthias Braun 98ea88be42 Statistic: Add machine parseable json output
- We lacked a short unique identifier for a statistics, so I renamed the
  current "Name" field that just contained the DEBUG_TYPE name of the
  current file to DebugType and added a new "Name" field that contains
  the C++ identifier of the statistic variable.
- Add the -stats-json option which outputs statistics in json format.

Differential Revision: http://reviews.llvm.org/D20995

llvm-svn: 272826
2016-06-15 20:19:16 +00:00
Reid Kleckner a16fec18b0 [codeview] Use ArrayRef instead of a non-const vector reference
llvm-svn: 272817
2016-06-15 18:48:35 +00:00
Amaury Sechet 6100adfeb5 Add support for string attributes in the C API.
Summary: As per title. This completes the C API Attribute support.

Reviewers: Wallbraker, whitequark, echristo, rafael, jyknight

Subscribers: mehdi_amini

Differential Revision: http://reviews.llvm.org/D21365

llvm-svn: 272811
2016-06-15 17:50:39 +00:00
Sanjay Patel a6c6f09967 [x86, SSE] remove the GCCBuiltins from the integer min/max intrinsics
This allows us to emit native IR in Clang (next commit).
Also, update the intrinsic tests to show that codegen already knows how to handle
the IR that Clang will soon produce.

llvm-svn: 272806
2016-06-15 17:17:27 +00:00
Nirav Dave 194cb55f37 Revert "Preserve DebugInfo when replacing values in DAGCombiner"
Reverting due to assertion failure in
lib/CodeGen/SelectionDAG/InstrEmitter.cpp

This reverts commit r272792.

llvm-svn: 272799
2016-06-15 16:08:50 +00:00
Nirav Dave a72e308403 Preserve DebugInfo when replacing values in DAGCombiner
[DAG] Previously debug values would transfer debuginfo for the selected
start node for a replacement which allows for debug to be dropped.

Push debug value transfer to occur with node/value replacement in
SelectionDAG, remove now extraneous transfers of debug values.

This refixes PR9817 which was being incompletely checked in the
testsuite.

Reviewers: jyknight

Subscribers: dblaikie, llvm-commits

Differential Revision: http://reviews.llvm.org/D21037

llvm-svn: 272792
2016-06-15 14:50:08 +00:00
Ranjeet Singh 0db7be886e Reverting r272778 because there's an assertion
failure when running the test CodeGen/ARM/intrinsics-coprocessor.ll

llvm-svn: 272791
2016-06-15 14:23:29 +00:00
Craig Topper 48b54c95ec [AVX512] Remove the GCCBuiltins from the mask pcmpeq/pcmpgt intrinsics so we can emit native IR from clang.
The intrinsics themselves can be removed in a future commit.

llvm-svn: 272786
2016-06-15 14:06:28 +00:00
Ranjeet Singh 351364fe76 [ARM] Add support for mrrc/mrrc2 intrinsics.
Differential Revision: http://reviews.llvm.org/D21178

llvm-svn: 272778
2016-06-15 11:32:24 +00:00
Sean Silva e0a9e66040 [PM] Port SLPVectorizer to the new PM
This uses the "runImpl" approach to share code with the old PM.

Porting to the new PM meant abandoning the anonymous namespace enclosing
most of SLPVectorizer.cpp which is a bit of a bummer (but not a big deal
compared to having to pull the pass class into a header which the new PM
requires since it calls the constructor directly).

llvm-svn: 272766
2016-06-15 08:43:40 +00:00
Sean Silva a4c2d150d0 [PM] Port AlignmentFromAssumptions to the new PM.
This uses the "runImpl" pattern to share code between the old and new PM.

llvm-svn: 272757
2016-06-15 06:18:01 +00:00
Sanjoy Das 0272be206a Don't force SP-relative addressing for statepoints
Summary:
...  when the offset is not statically known.

Prioritize addresses relative to the stack pointer in the stackmap, but
fallback gracefully to other modes of addressing if the offset to the
stack pointer is not a known constant.

Patch by Oscar Blumberg!

Reviewers: sanjoy

Subscribers: llvm-commits, majnemer, rnk, sanjoy, thanm

Differential Revision: http://reviews.llvm.org/D21259

llvm-svn: 272756
2016-06-15 05:35:14 +00:00
Amaury Sechet a65a237805 Add support for callsite in the new C API for attributes
Summary: The second consumer of attributes.

Reviewers: Wallbraker, whitequark, echristo, rafael, jyknight

Subscribers: mehdi_amini

Differential Revision: http://reviews.llvm.org/D21266

llvm-svn: 272754
2016-06-15 05:14:29 +00:00
David Majnemer cbf614a93b Remove the ScalarReplAggregates pass
Nearly all the changes to this pass have been done while maintaining and
updating other parts of LLVM.  LLVM has had another pass, SROA, which
has superseded ScalarReplAggregates for quite some time.

Differential Revision: http://reviews.llvm.org/D21316

llvm-svn: 272737
2016-06-15 00:19:09 +00:00
Davide Italiano d737dd2ec6 [PM] Port WholeProgramDevirt to the new pass manager.
llvm-svn: 272721
2016-06-14 21:44:19 +00:00
Peter Collingbourne 96efdd6107 IR: Introduce local_unnamed_addr attribute.
If a local_unnamed_addr attribute is attached to a global, the address
is known to be insignificant within the module. It is distinct from the
existing unnamed_addr attribute in that it only describes a local property
of the module rather than a global property of the symbol.

This attribute is intended to be used by the code generator and LTO to allow
the linker to decide whether the global needs to be in the symbol table. It is
possible to exclude a global from the symbol table if three things are true:
- This attribute is present on every instance of the global (which means that
  the normal rule that the global must have a unique address can be broken without
  being observable by the program by performing comparisons against the global's
  address)
- The global has linkonce_odr linkage (which means that each linkage unit must have
  its own copy of the global if it requires one, and the copy in each linkage unit
  must be the same)
- It is a constant or a function (which means that the program cannot observe that
  the unique-address rule has been broken by writing to the global)

Although this attribute could in principle be computed from the module
contents, LTO clients (i.e. linkers) will normally need to be able to compute
this property as part of symbol resolution, and it would be inefficient to
materialize every module just to compute it.

See:
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20160509/356401.html
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20160516/356738.html
for earlier discussion.

Part of the fix for PR27553.

Differential Revision: http://reviews.llvm.org/D20348

llvm-svn: 272709
2016-06-14 21:01:22 +00:00
Zachary Turner 1dc9fd3c4a Resubmit "[pdb] Actually write a PDB to disk from YAML.""
Reviewed By: ruiu
Differential Revision: http://reviews.llvm.org/D21220

llvm-svn: 272708
2016-06-14 20:48:36 +00:00
Amaury Sechet 392638d7b1 Make sure attribute kind and attributes are named respectively Kind and Attr consistently. Historically they used to be the same the terminology is very confused in the codebase. NFC.
llvm-svn: 272704
2016-06-14 20:27:35 +00:00
Zachary Turner 07c229c9e7 Revert "[pdb] Actually write a PDB to disk from YAML."
This reverts commit 879139e1c6577b09df52de56a6bab856a19ed185.

This was committed accidentally when I blindly typed git svn
dcommit instead of the command to generate a patch.

llvm-svn: 272693
2016-06-14 18:51:35 +00:00
Zachary Turner fe5bc02492 [pdb] Actually write a PDB to disk from YAML.
llvm-svn: 272692
2016-06-14 18:49:36 +00:00
Sebastian Pop dfb66a1191 LoopRotate: restructure code to simplify functions
We move the loop rotate functions in a separate class to avoid passing multiple
parameters to each function.  This cleanup will help with further development of
loop rotation.  NFC.

Patch written by Aditya Kumar and Sebastian Pop.

Differential Revision: http://reviews.llvm.org/D21311

llvm-svn: 272672
2016-06-14 14:44:05 +00:00
Rafael Espindola 9768b0ae73 Add a Musl environment to the triple.
It will be used in clang.

Patch by Lei Zhang.

llvm-svn: 272660
2016-06-14 12:45:33 +00:00
Davide Italiano cccf4f01ad [PM] Port Mem2Reg to the new pass manager.
llvm-svn: 272630
2016-06-14 03:22:22 +00:00
Sean Silva e2249f2191 Fix for (benign) uninitialized read caught by UBSan bot.
What happened here is that in the new PM there is a bunch of new copying
(actually, moving) and so this reads the HasProfileData member in
situations where it used to not be read.
It used to only be read strictly in the "runOnFunction" method and its
callees, where is *is* initialized (even after my patch).
So this ends up being benign as far as functional behavior of the
compiler (since we set HasProfileData in the "runImpl" method before we
ever make decisions based on it).

It's awesome that UBSan caught this. It highlights one more thing to
watch out for when porting passes.

Sanitizer bot log was:

-- Testing: 17049 tests, 32 threads --
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: LLVM :: Transforms/JumpThreading/thread-loads.ll (15184 of 17049)
******************** TEST 'LLVM :: Transforms/JumpThreading/thread-loads.ll' FAILED ********************
Script:
--
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/./bin/opt < /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/test/Transforms/JumpThreading/thread-loads.ll -jump-threading -S | /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/./bin/FileCheck /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/test/Transforms/JumpThreading/thread-loads.ll
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/./bin/opt < /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/test/Transforms/JumpThreading/thread-loads.ll -passes=jump-threading -S | /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/./bin/FileCheck /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/test/Transforms/JumpThreading/thread-loads.ll
--
Exit Code: 2

Command Output (stderr):
--
/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/Transforms/Scalar/JumpThreading.h:90:57: runtime error: load of value 136, which is not a valid value for type 'bool'
    #0 0x2c33ba1 in llvm::JumpThreadingPass::JumpThreadingPass(llvm::JumpThreadingPass&&) /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/Transforms/Scalar/JumpThreading.h:90:57
    #1 0x2bc88e4 in void llvm::PassManager<llvm::Function>::addPass<llvm::JumpThreadingPass>(llvm::JumpThreadingPass) /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/include/llvm/IR/PassManager.h:282:40
    #2 0x2bb2682 in llvm::PassBuilder::parseFunctionPassName(llvm::PassManager<llvm::Function>&, llvm::StringRef) /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/Passes/PassRegistry.def:133:1
    #3 0x2bb4914 in llvm::PassBuilder::parseFunctionPassPipeline(llvm::PassManager<llvm::Function>&, llvm::StringRef&, bool, bool) /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/Passes/PassBuilder.cpp:489:12
    #4 0x2bb6f81 in llvm::PassBuilder::parsePassPipeline(llvm::PassManager<llvm::Module>&, llvm::StringRef, bool, bool) /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/lib/Passes/PassBuilder.cpp:674:10
    #5 0x986690 in llvm::runPassPipeline(llvm::StringRef, llvm::LLVMContext&, llvm::Module&, llvm::TargetMachine*, llvm::tool_output_file*, llvm::StringRef, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool) /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/tools/opt/NewPMDriver.cpp:85:8
    #6 0x9af25e in main /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/tools/opt/opt.cpp:468:12
    #7 0x7fd7e27dbf44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21f44)
    #8 0x960157 in _start (/mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/bin/opt+0x960157)

FileCheck error: '-' is empty.
FileCheck command line:  /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm_build_ubsan/./bin/FileCheck /mnt/b/sanitizer-buildbot3/sanitizer-x86_64-linux-fast/build/llvm/test/Transforms/JumpThreading/thread-loads.ll

--

********************
Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
Testing Time: 128.90s
********************
Failing Tests (1):
    LLVM :: Transforms/JumpThreading/thread-loads.ll

  Expected Passes    : 16725
  Expected Failures  : 129
  Unsupported Tests  : 194
  Unexpected Failures: 1

llvm-svn: 272616
2016-06-14 02:45:01 +00:00
Sean Silva 6347df0f81 [PM] Port MemCpyOpt to the new PM.
The need for all these Lookup* functions is just because of calls to
getAnalysis inside methods (i.e. not at the top level) of the
runOnFunction method. They should be straightforward to clean up when
the old PM is gone.

llvm-svn: 272615
2016-06-14 02:44:55 +00:00
Richard Smith 85c5531918 Add missing include from r272607 to fix modules build, and remove out-dated workaround from module map.
llvm-svn: 272612
2016-06-14 01:31:23 +00:00
Sean Silva 46590d556a Bring back "[PM] Port JumpThreading to the new PM" with a fix
This reverts commit r272603 and adds a fix.

Big thanks to Davide for pointing me at r216244 which gives some insight
into how to fix this VS2013 issue. VS2013 can't synthesize a move
constructor. So the fix here is to add one explicitly to the
JumpThreadingPass class.

llvm-svn: 272607
2016-06-14 00:51:09 +00:00
Davide Italiano 89ab89d6cd [PM] Port MergedLoadStoreMotion to the new pass manager.
llvm-svn: 272606
2016-06-14 00:49:23 +00:00
Sean Silva 7d5a57cbfc Revert "[PM] Port JumpThreading to the new PM"
This reverts commit r272597.

Will investigate issue with VS2013 compilation and then recommit.

llvm-svn: 272603
2016-06-14 00:26:31 +00:00
Sean Silva 625a8e19ea Revert "Try to appease MSVC on clang-x86-win2008-selfhost"
This reverts commit r272601. The attempt didn't work.

llvm-svn: 272602
2016-06-14 00:19:37 +00:00
Sean Silva 51c93006ff Try to appease MSVC on clang-x86-win2008-selfhost
I've tested this locally with VS2015 and there are no issues there,
so this might be a VS2013 specific issue.

Thanks to Davide for the suggested fix.

llvm-svn: 272601
2016-06-14 00:11:37 +00:00
Sean Silva f81328d0b4 [PM] Port JumpThreading to the new PM
This follows the approach in r263208 (for GVN) pretty closely:
- move the bulk of the body of the function to the new PM class.
- expose a runImpl method on the new-PM class that takes the IRUnitT and
  pointers/references to any analyses and use that to implement the
  old-PM class.
- use a private namespace in the header for stuff that used to be file
  scope

llvm-svn: 272597
2016-06-13 22:52:52 +00:00
Sean Silva 687019facb [PM] Port LVI to the new PM.
This is a bit gnarly since LVI is maintaining its own cache.
I think this port could be somewhat cleaner, but I'd rather not spend
too much time on it while we still have the old pass hanging around and
limiting how much we can clean things up.
Once the old pass is gone it will be easier (less time spent) to clean
it up anyway.

This is the last dependency needed for porting JumpThreading which I'll
do in a follow-up commit (there's no printer pass for LVI or anything to
test it, so porting a pass that depends on it seems best).

I've been mostly following:
r269370 / D18834 which ported Dependence Analysis
r268601 / D19839 which ported BPI

llvm-svn: 272593
2016-06-13 22:01:25 +00:00
David Majnemer 248190ba69 [X86] Remove llvm.x86.bit.scan.{forward,reverse}.32
The need for these intrinsics has been obviated by r272564 which
reimplements their functionality using generic IR.

llvm-svn: 272566
2016-06-13 17:33:13 +00:00
Taewook Oh d91532725e In openFileForRead, attempt to fetch the actual name of the file on disk -- including case -- so that clang can later warn about non-portable #include and #import directives.
Differential Revision: http://reviews.llvm.org/D19842
Corresponding clang patch: http://reviews.llvm.org/D19843

Re-commit after addressing issues with of generating too many warnings for Windows and asan test failures

Patch by Eric Niebler

llvm-svn: 272555
2016-06-13 15:54:56 +00:00
Ranjeet Singh 933e1aa39f [ARM] Reverting r272544 because clang patch needs
to go in as soon as llvm patch has gone in because
tests will start breaking in Clang.

llvm-svn: 272546
2016-06-13 10:58:24 +00:00
Ranjeet Singh 8feacb330d [ARM] Add mrrc/mrrc2 co-processor intrinsics
MRRC/MRRC2 instruction writes to two registers. The
intrinsic definition returns a single uint64_t to
represent the write, this is a compact way of
representing a write to two 32 bit registers,
the alternative might have been two return a
struct of 2 uint32_t's but this isn't as nice.

Differential Revision: 

llvm-svn: 272544
2016-06-13 10:43:50 +00:00
Zijiao Ma 5ee4982931 [AArch64] Add RAS extensions support in AArch64TargetParser.
RAS extensions are part of ARMv8.2,now supported in Clang.
Add RAS extensions support in AArch64TargetParser.

llvm-svn: 272533
2016-06-13 05:27:58 +00:00
Craig Topper 13cf7cac07 [AVX512] Remove maksed pshufd, pshuflw, and phufhw intrinsics and autoupgrade them to selects and shufflevector.
llvm-svn: 272527
2016-06-13 02:36:48 +00:00
NAKAMURA Takumi 1e74fc564c Untabify.
llvm-svn: 272523
2016-06-13 00:18:19 +00:00
Benjamin Kramer d3f4c05aea Move instances of std::function.
Or replace with llvm::function_ref if it's never stored. NFC intended.

llvm-svn: 272513
2016-06-12 16:13:55 +00:00
Benjamin Kramer bdc4956bac Pass DebugLoc and SDLoc by const ref.
This used to be free, copying and moving DebugLocs became expensive
after the metadata rewrite. Passing by reference eliminates a ton of
track/untrack operations. No functionality change intended.

llvm-svn: 272512
2016-06-12 15:39:02 +00:00
Craig Topper 1067986c5b [X86] Remove sse2 pshufd/pshuflw/pshufhw intrinsics and upgrade them to shufflevector.
llvm-svn: 272510
2016-06-12 14:11:32 +00:00
Sean Silva e3bb457423 [PM] Port DeadArgumentElimination to the new PM
The approach taken here follows r267631.

deadarghaX0r should be easy to port when the time comes to add new-PM
support to bugpoint.

llvm-svn: 272507
2016-06-12 09:16:39 +00:00
Amaury Sechet 48b0665bf2 Change () to (void) in the C API.
llvm-svn: 272506
2016-06-12 07:56:21 +00:00