platform/upstream/llvm.git
8 years agoMerge multiple tdata.* into a single section.
Rafael Espindola [Tue, 16 Feb 2016 16:12:06 +0000 (16:12 +0000)]
Merge multiple tdata.* into a single section.

llvm-svn: 260977

8 years agoMerge multiple .gcc_except_table.* into a single section.
Rafael Espindola [Tue, 16 Feb 2016 16:05:27 +0000 (16:05 +0000)]
Merge multiple .gcc_except_table.* into a single section.

llvm-svn: 260976

8 years agoAdd some status
Marshall Clow [Tue, 16 Feb 2016 16:05:15 +0000 (16:05 +0000)]
Add some status

llvm-svn: 260975

8 years agoMerge multiple .tbss.* sections into one output section.
Rafael Espindola [Tue, 16 Feb 2016 15:57:07 +0000 (15:57 +0000)]
Merge multiple .tbss.* sections into one output section.

llvm-svn: 260974

8 years agoA signed bitfield's range is [-1,0], so assigning 1 is technically an overflow. Howev...
Aaron Ballman [Tue, 16 Feb 2016 15:35:51 +0000 (15:35 +0000)]
A signed bitfield's range is [-1,0], so assigning 1 is technically an overflow. However, the other bitfield requires a signed value (it supports negative offsets), so it is slightly better to retain a signed 1-bit bitfield and use -1 instead of 1. Silences an MSVC warning.

llvm-svn: 260973

8 years agoReverting r260922-260923; they cause link failures with MSVC.
Aaron Ballman [Tue, 16 Feb 2016 15:29:06 +0000 (15:29 +0000)]
Reverting r260922-260923; they cause link failures with MSVC.

http://lab.llvm.org:8011/builders/lldb-x86-windows-msvc2015/builds/15436/steps/build/logs/stdio
http://bb.pgr.jp/builders/msbuild-llvmclang-x64-msc18-DA/builds/961/steps/build_llvm/logs/stdio

llvm-svn: 260972

8 years ago[WebAssembly] Create new registers instead of reusing old ones in RegStackify.
Dan Gohman [Tue, 16 Feb 2016 15:17:21 +0000 (15:17 +0000)]
[WebAssembly] Create new registers instead of reusing old ones in RegStackify.

This avoids some complications updating LiveIntervals to be aware of the new
register lifetimes, because we can just compute new intervals from scratch
rather than describe how the old ones have been changed.

llvm-svn: 260971

8 years agoReapply r260489.
Rafael Espindola [Tue, 16 Feb 2016 15:16:00 +0000 (15:16 +0000)]
Reapply r260489.

Original commit message:

[readobj] Dump DT_JMPREL relocations when outputting dynamic relocations.

The bits of r260488 it depends on have been committed.

llvm-svn: 260970

8 years agoRevert "Use BKPT instead of UDF for arm/thumb breakpoints"
Tamas Berghammer [Tue, 16 Feb 2016 15:14:36 +0000 (15:14 +0000)]
Revert "Use BKPT instead of UDF for arm/thumb breakpoints"

This reverts commit 293c18e067d663e0fe93e6f3d800c2a4bfada2b0.

The BKPT instruction generates SIGBUS instead of SIGTRAP in the Linux
kernel on Nexus 6 - 5.1.1 (kernel version 3.10.40). Revert the CL
until we can figure out how can we hanble the SIGBUS or how to get
back a SIGTRAP using the BKPT instruction.

llvm-svn: 260969

8 years ago[WebAssembly] Implement support for custom NaN bit patterns.
Dan Gohman [Tue, 16 Feb 2016 15:14:23 +0000 (15:14 +0000)]
[WebAssembly] Implement support for custom NaN bit patterns.

llvm-svn: 260968

8 years agoIntroduce a getAsRange helper.
Rafael Espindola [Tue, 16 Feb 2016 14:50:39 +0000 (14:50 +0000)]
Introduce a getAsRange helper.

This requires making an error message a bit more generic, but that seems
a reasonable tradeoff.

Extracted from r260488 but simplified a bit.

llvm-svn: 260967

8 years agoAdd some comments
Marshall Clow [Tue, 16 Feb 2016 14:42:23 +0000 (14:42 +0000)]
Add some comments

llvm-svn: 260966

8 years agoScopDectect: Allow memory accesses with different element types by default (try 3)
Tobias Grosser [Tue, 16 Feb 2016 14:37:24 +0000 (14:37 +0000)]
ScopDectect: Allow memory accesses with different element types by default (try 3)

First support for this feature was committed in r259784. Support for
loop invariant load hoisting with different types was added by
Johannes Doerfert in r260045 and r260886.

llvm-svn: 260965

8 years agoAdded a (private) status page for the Jacksonville meeting
Marshall Clow [Tue, 16 Feb 2016 14:35:56 +0000 (14:35 +0000)]
Added a (private) status page for the Jacksonville meeting

llvm-svn: 260964

8 years agoMove DynRegionInfo out of the ELFDumper.
Rafael Espindola [Tue, 16 Feb 2016 14:27:33 +0000 (14:27 +0000)]
Move DynRegionInfo out of the ELFDumper.

This reduces indentation in preparation to adding a bit more code to it.

Extracted from r260488.

llvm-svn: 260963

8 years agoThis reverts commit r260488 and r260489.
Rafael Espindola [Tue, 16 Feb 2016 14:17:48 +0000 (14:17 +0000)]
This reverts commit r260488 and r260489.

Original messages:
    Revert "[readobj] Handle ELF files with no section table or with no program headers."
    Revert "[readobj] Dump DT_JMPREL relocations when outputting dynamic relocations."

r260489 depends on r260488 and among other issues r260488 deleted error
handling code.

llvm-svn: 260962

8 years agoIssue a warning instead of fatal errors when checks for libatomic fail.
Vasileios Kalintiris [Tue, 16 Feb 2016 14:15:27 +0000 (14:15 +0000)]
Issue a warning instead of fatal errors when checks for libatomic fail.

This should fix PR26631, PR26622 and has the nice property that the addition
of the CheckLibcxxAtomic.cmake module acts as an NFC on the platforms of the
reporters (at least for the time being).

As these bug reports explain, CMake fails the atomic check because the
include headers might not exist in the host environment. We could
potentially point to the headers provided by libcxx itself.

llvm-svn: 260961

8 years agoStart adding release notes for lld.
Rafael Espindola [Tue, 16 Feb 2016 13:12:55 +0000 (13:12 +0000)]
Start adding release notes for lld.

llvm-svn: 260960

8 years ago[X86] PR26575: Fix LEA optimization pass.
Andrey Turetskiy [Tue, 16 Feb 2016 12:47:45 +0000 (12:47 +0000)]
[X86] PR26575: Fix LEA optimization pass.

Add a missing check for a type of address displacement operand of the load/store instruction being a candidate for LEA substitution.

Ref: https://llvm.org/bugs/show_bug.cgi?id=26575

Differential Revision: http://reviews.llvm.org/D17261

llvm-svn: 260959

8 years agoReplace getLoopForInst by getLoopForStmt
Johannes Doerfert [Tue, 16 Feb 2016 12:36:14 +0000 (12:36 +0000)]
Replace getLoopForInst by getLoopForStmt

  This patch was extracted from http://reviews.llvm.org/D13611.

llvm-svn: 260958

8 years ago[OPENMP] Allow to use compound assignment operators.
Alexey Bataev [Tue, 16 Feb 2016 12:13:49 +0000 (12:13 +0000)]
[OPENMP] Allow to use compound assignment operators.
Loop-based directives allow to use iterators as loop counters. Iterators are allowed to define their own operators. This patch allows to use compound assignment operators for iterators.

llvm-svn: 260957

8 years agoSet AST Build for all statements [NFC]
Johannes Doerfert [Tue, 16 Feb 2016 12:11:03 +0000 (12:11 +0000)]
Set AST Build for all statements [NFC]

llvm-svn: 260956

8 years ago[FIX] LICM test case
Johannes Doerfert [Tue, 16 Feb 2016 12:10:42 +0000 (12:10 +0000)]
[FIX] LICM test case

llvm-svn: 260955

8 years ago[OPENMP] Improved handling of pseudo-captured expressions in OpenMP.
Alexey Bataev [Tue, 16 Feb 2016 11:18:12 +0000 (11:18 +0000)]
[OPENMP] Improved handling of pseudo-captured expressions in OpenMP.
Expressions inside 'schedule'|'dist_schedule' clause must be captured in
combined directives to avoid possible crash during codegen. Patch
improves handling of such constructs

llvm-svn: 260954

8 years ago[clang-tidy] Fix an assert failure in `modernize-loop-convert`.
Haojian Wu [Tue, 16 Feb 2016 10:36:51 +0000 (10:36 +0000)]
[clang-tidy] Fix an assert failure in `modernize-loop-convert`.

Summary:
The test code will trigger following an assert failure:

assert.h assertion failed at LoopConvertUtils.cpp:560 in
bool clang::tidy::modernize::ForLoopIndexUseVisitor::TraverseMemberExpr(clang::MemberExpr*): ExprType->isPointerType() && "Operator-> returned non-pointer type"

Reviewers: alexfh

Differential Revision: http://reviews.llvm.org/D17287

llvm-svn: 260953

8 years ago[clang-tidy] Fix an assert failure of ForStmt in `readability-braces-around-statement...
Haojian Wu [Tue, 16 Feb 2016 10:31:33 +0000 (10:31 +0000)]
[clang-tidy] Fix an assert failure of ForStmt in `readability-braces-around-statements` check.

Reviewers: alexfh

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D17134

llvm-svn: 260952

8 years agoBump up timeout in TestChangeProcessGroup
Pavel Labath [Tue, 16 Feb 2016 09:58:50 +0000 (09:58 +0000)]
Bump up timeout in TestChangeProcessGroup

The test fails very rarely. I suspect this is simply because the inferior does not have enough
time to create the file under heavy load.

llvm-svn: 260951

8 years agoMark TestLldbGdbServer.test_written_M_content_reads_back_correctly as flaky on linux
Pavel Labath [Tue, 16 Feb 2016 09:58:47 +0000 (09:58 +0000)]
Mark TestLldbGdbServer.test_written_M_content_reads_back_correctly as flaky on linux

I believe the root cause is the asynchronous arrival of inferior stdio (pr25652).

llvm-svn: 260950

8 years ago[Hexagon] Hoist nonnull assert up.
Benjamin Kramer [Tue, 16 Feb 2016 09:53:47 +0000 (09:53 +0000)]
[Hexagon] Hoist nonnull assert up.

Once a pointer is turned into a reference it cannot be nullptr, clang
rightfully warns about this assert being a tautology. Put the assert
before the reference is created.

llvm-svn: 260949

8 years ago[clang-tidy] Enhance modernize-redundant-void-arg check to apply fixes to header...
Alexander Kornienko [Tue, 16 Feb 2016 09:49:05 +0000 (09:49 +0000)]
[clang-tidy] Enhance modernize-redundant-void-arg check to apply fixes to header files

Fixes http://llvm.org/PR25894

Patch by Richard Thomson!

Differential revision: http://reviews.llvm.org/D16953

llvm-svn: 260948

8 years agoMake sure the functions' range is empty before going through it in the LLVM C API...
Amaury Sechet [Tue, 16 Feb 2016 08:37:01 +0000 (08:37 +0000)]
Make sure the functions' range is empty before going through it in the LLVM C API test

llvm-svn: 260947

8 years ago[Compiler-rt][MSan][MIPS] Resolve gethostbyname_r_erange for MIPS
Mohit K. Bhakkad [Tue, 16 Feb 2016 08:33:37 +0000 (08:33 +0000)]
[Compiler-rt][MSan][MIPS] Resolve gethostbyname_r_erange for MIPS

Reviewers: eugenis, kcc, samsonov

Subscribers: jaydeep, sagar, llvm-commits

Differential Revision: http://reviews.llvm.org/D17135

llvm-svn: 260946

8 years agoclang-tools-extra/test/Unit/lit.site.cfg.in: Prune on_clone. I guess it has been...
NAKAMURA Takumi [Tue, 16 Feb 2016 08:13:36 +0000 (08:13 +0000)]
clang-tools-extra/test/Unit/lit.site.cfg.in: Prune on_clone. I guess it has been unused since r188006.

llvm-svn: 260944

8 years ago[X86] Fix typos. NFC
Craig Topper [Tue, 16 Feb 2016 07:45:07 +0000 (07:45 +0000)]
[X86] Fix typos. NFC

llvm-svn: 260943

8 years ago[X86] Use range-based for loop. NFC
Craig Topper [Tue, 16 Feb 2016 07:45:04 +0000 (07:45 +0000)]
[X86] Use range-based for loop. NFC

llvm-svn: 260942

8 years agoDo some refactoring in constant generation in the C API echo test. NFC
Amaury Sechet [Tue, 16 Feb 2016 07:33:23 +0000 (07:33 +0000)]
Do some refactoring in constant generation in the C API echo test. NFC

llvm-svn: 260941

8 years ago[X86] Fix typo in comment. NFC
Craig Topper [Tue, 16 Feb 2016 07:28:03 +0000 (07:28 +0000)]
[X86] Fix typo in comment. NFC

llvm-svn: 260940

8 years agoGenerate functions in 2 steps in the C API echo test. NFC
Amaury Sechet [Tue, 16 Feb 2016 07:08:49 +0000 (07:08 +0000)]
Generate functions in 2 steps in the C API echo test. NFC

llvm-svn: 260939

8 years ago[SCEVExpander] Make findExistingExpansion smarter
Junmo Park [Tue, 16 Feb 2016 06:46:58 +0000 (06:46 +0000)]
[SCEVExpander] Make findExistingExpansion smarter

Summary:
Extending findExistingExpansion can use existing value in ExprValueMap.
This patch gives 0.3~0.5% performance improvements on
benchmarks(test-suite, spec2000, spec2006, commercial benchmark)

Reviewers: mzolotukhin, sanjoy, zzheng

Differential Revision: http://reviews.llvm.org/D15559

llvm-svn: 260938

8 years ago[Frontend] Make sure WrapperFrontendAction updates CurrentInput after calling BeginSo...
Argyrios Kyrtzidis [Tue, 16 Feb 2016 05:39:33 +0000 (05:39 +0000)]
[Frontend] Make sure WrapperFrontendAction updates CurrentInput after calling BeginSourceFileAction.

I don't have a test case to add unfortunately.

llvm-svn: 260937

8 years agoRestore the capability to manipulate datalayout from the C API
Amaury Sechet [Tue, 16 Feb 2016 05:11:24 +0000 (05:11 +0000)]
Restore the capability to manipulate datalayout from the C API

Summary:
This consist in variosu addition to the C API:

  LLVMTargetDataRef LLVMGetModuleDataLayout(LLVMModuleRef M);
  void LLVMSetModuleDataLayout(LLVMModuleRef M, LLVMTargetDataRef DL);
  LLVMTargetDataRef LLVMCreateTargetMachineData(LLVMTargetMachineRef T);

Reviewers: joker.eph, Wallbraker, echristo

Subscribers: axw

Differential Revision: http://reviews.llvm.org/D17255

llvm-svn: 260936

8 years ago[TableGen] Fix inconsistent spacing. NFC
Craig Topper [Tue, 16 Feb 2016 04:24:58 +0000 (04:24 +0000)]
[TableGen] Fix inconsistent spacing. NFC

llvm-svn: 260935

8 years ago[TableGen] Stop passing by reference an integer that doesn't get modified. NFC
Craig Topper [Tue, 16 Feb 2016 04:24:56 +0000 (04:24 +0000)]
[TableGen] Stop passing by reference an integer that doesn't get modified. NFC

llvm-svn: 260934

8 years ago[TableGen] Remove unused member variable. NFC
Craig Topper [Tue, 16 Feb 2016 04:24:54 +0000 (04:24 +0000)]
[TableGen] Remove unused member variable. NFC

llvm-svn: 260933

8 years agoFix buildbot failure because I got an include path wrong.
Jason Molenda [Tue, 16 Feb 2016 04:20:56 +0000 (04:20 +0000)]
Fix buildbot failure because I got an include path wrong.

llvm-svn: 260932

8 years agoRemove an unnecessary std::move to fix -Wpessimizing-move warning.
Craig Topper [Tue, 16 Feb 2016 04:17:42 +0000 (04:17 +0000)]
Remove an unnecessary std::move to fix -Wpessimizing-move warning.

llvm-svn: 260931

8 years agoAdd -Wimplicit-fallthrough command line option to clang in
Jason Molenda [Tue, 16 Feb 2016 04:14:33 +0000 (04:14 +0000)]
Add -Wimplicit-fallthrough command line option to clang in
the xcode project file to catch switch statements that have a
case that falls through unintentionally.

Define LLVM_FALLTHROUGH to indicate instances where a case has code
and intends to fall through.  This should be in llvm/Support/Compiler.h;
Peter Collingbourne originally checked in there (r237766), then
reverted (r237941) because he didn't have time to mark up all the
'case' statements that were intended to fall through.  I put together
a patch to get this back in llvm http://reviews.llvm.org/D17063 but
it hasn't been approved in the past week.  I added a new
lldb-private-defines.h to hold the definition for now.

Every place in lldb where there is a comment that the fall-through
is intentional, I added LLVM_FALLTHROUGH to silence the warning.
I haven't tried to identify whether the fallthrough is a bug or
not in the other places.

I haven't tried to add this to the cmake option build flags.
This warning will only work for clang.

This build cleanly (with some new warnings) on macosx with clang
under xcodebuild, but if this causes problems for people on other
configurations, I'll back it out.

llvm-svn: 260930

8 years agoclang/test/Driver/ps4-linker-win.c: Tweak substitutions if %PATH% ends with '\\'...
NAKAMURA Takumi [Tue, 16 Feb 2016 03:17:13 +0000 (03:17 +0000)]
clang/test/Driver/ps4-linker-win.c: Tweak substitutions if %PATH% ends with '\\', or lit complains with "parser error".

llvm-svn: 260929

8 years ago[TableGen] Use range-based for loop. NFC
Craig Topper [Tue, 16 Feb 2016 02:48:30 +0000 (02:48 +0000)]
[TableGen] Use range-based for loop. NFC

llvm-svn: 260928

8 years agoSimplify users of StringRef::{l,r}trim (clang) (NFC)
Vedant Kumar [Tue, 16 Feb 2016 02:14:44 +0000 (02:14 +0000)]
Simplify users of StringRef::{l,r}trim (clang) (NFC)

r260925 introduced a version of the *trim methods which is preferable
when trimming a single kind of character. Update all users in clang.

llvm-svn: 260927

8 years agoSimplify users of StringRef::{l,r}trim (NFC)
Vedant Kumar [Tue, 16 Feb 2016 02:06:01 +0000 (02:06 +0000)]
Simplify users of StringRef::{l,r}trim (NFC)

r260925 introduced a version of the *trim methods which is preferable
when trimming a single kind of character. Update all users in llvm.

llvm-svn: 260926

8 years ago[ADT] Add StringRef::{l,r}trim(char) overloads (NFC)
Vedant Kumar [Tue, 16 Feb 2016 01:48:39 +0000 (01:48 +0000)]
[ADT] Add StringRef::{l,r}trim(char) overloads (NFC)

Add support for trimming a single kind of character from a StringRef.
This makes the common case of trimming null bytes much neater. It's also
probably a bit speedier too, since it avoids creating a std::bitset in
find_{first,last}_not_of.

llvm-svn: 260925

8 years ago[GlobalISel][IRTranslator] Override getPassName.
Quentin Colombet [Tue, 16 Feb 2016 01:38:09 +0000 (01:38 +0000)]
[GlobalISel][IRTranslator] Override getPassName.

llvm-svn: 260924

8 years ago[GlobalISel] Add missing file in previous commit.
Quentin Colombet [Tue, 16 Feb 2016 01:05:16 +0000 (01:05 +0000)]
[GlobalISel] Add missing file in previous commit.

llvm-svn: 260923

8 years ago[GlobalISel] Get rid of the ifdefs in TargetLowering.
Quentin Colombet [Tue, 16 Feb 2016 00:57:44 +0000 (00:57 +0000)]
[GlobalISel] Get rid of the ifdefs in TargetLowering.
Introduce a new API used only by GlobalISel: CallLowering.
This API will contain target hooks dedicated to call lowering.

llvm-svn: 260922

8 years agoRemove unnecessary regex in the test cases I fixed in r260496.
Akira Hatanaka [Tue, 16 Feb 2016 00:46:03 +0000 (00:46 +0000)]
Remove unnecessary regex in the test cases I fixed in r260496.

llvm-svn: 260921

8 years agoDeprecate LLVMGetDataLayout and replace it by LLVMGetDataLayoutStr
Amaury Sechet [Tue, 16 Feb 2016 00:23:52 +0000 (00:23 +0000)]
Deprecate LLVMGetDataLayout and replace it by LLVMGetDataLayoutStr

Summary: The name is confusing as it matche another method on the module.

Reviewers: joker.eph, Wallbraker, echristo

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D17283

llvm-svn: 260920

8 years agoKill LLVMAddTargetData
Amaury Sechet [Tue, 16 Feb 2016 00:22:02 +0000 (00:22 +0000)]
Kill LLVMAddTargetData

Summary: It's red, it's dead.

Reviewers: joker.eph, Wallbraker, echristo

Subscribers: llvm-commits, axw

Differential Revision: http://reviews.llvm.org/D17282

llvm-svn: 260919

8 years agoMITests: Update libdeps. llvm/Target/TargetOptions.h depends on MC.
NAKAMURA Takumi [Tue, 16 Feb 2016 00:17:56 +0000 (00:17 +0000)]
MITests: Update libdeps. llvm/Target/TargetOptions.h depends on MC.

llvm-svn: 260918

8 years agoImplemented stack symbol table ordering/packing optimization to improve data locality...
Zia Ansari [Mon, 15 Feb 2016 23:44:13 +0000 (23:44 +0000)]
Implemented stack symbol table ordering/packing optimization to improve data locality and code size from SP/FP offset encoding.

Differential Revision: http://reviews.llvm.org/D15393

llvm-svn: 260917

8 years agoRename LLVMSetDataLayout's argument to match what they stand for
Amaury Sechet [Mon, 15 Feb 2016 23:40:06 +0000 (23:40 +0000)]
Rename LLVMSetDataLayout's argument to match what they stand for

llvm-svn: 260916

8 years agounittests/MI: Add Core library reference
Matthias Braun [Mon, 15 Feb 2016 22:09:38 +0000 (22:09 +0000)]
unittests/MI: Add Core library reference

llvm-svn: 260915

8 years agoSilence some clang warnings
Saleem Abdulrasool [Mon, 15 Feb 2016 21:50:28 +0000 (21:50 +0000)]
Silence some clang warnings

Silences -Wmissing-brace and -Wformat-pedantic warnings from clang on Linux.  NFC.

llvm-svn: 260914

8 years agoSmallPtrSet: Avoid initializing Array in the small case.
Matthias Braun [Mon, 15 Feb 2016 21:38:42 +0000 (21:38 +0000)]
SmallPtrSet: Avoid initializing Array in the small case.

This patch avoids the initial memset at the cost of making iterators
slightly more complex. This should be beneficial as most SmallPtrSets
hold no or only a few elements, while iterating over them is less
common.

Differential Revision: http://reviews.llvm.org/D16672

llvm-svn: 260913

8 years agofix an indent issue in the doc which causes sphinx to fail with some versions
Sylvestre Ledru [Mon, 15 Feb 2016 20:38:54 +0000 (20:38 +0000)]
fix an indent issue in the doc which causes sphinx to fail with some versions

llvm-svn: 260912

8 years agoAPInt: Slightly simplify countLeadingZerosSlowCase()
Matthias Braun [Mon, 15 Feb 2016 20:06:22 +0000 (20:06 +0000)]
APInt: Slightly simplify countLeadingZerosSlowCase()

We always clear the unused bits in the most signifant word so there is
no need to mask them out in countLeadingZerosSlowCase().

Differential Revision: http://reviews.llvm.org/D16621

llvm-svn: 260911

8 years agoAPInt: Further simplify APInt::EqualSlowCase as suggested by Duncan
Matthias Braun [Mon, 15 Feb 2016 20:06:19 +0000 (20:06 +0000)]
APInt: Further simplify APInt::EqualSlowCase as suggested by Duncan

llvm-svn: 260910

8 years agoRefinement of r260624. It is possible somebody might try to add to the map
Jim Ingham [Mon, 15 Feb 2016 20:04:15 +0000 (20:04 +0000)]
Refinement of r260624.  It is possible somebody might try to add to the map
while we are finalizing its elements.  Prevent that.

<rdar://problem/24554920>

llvm-svn: 260909

8 years ago[X86] Remove now-dead variable and redundant assert. NFC.
Ahmed Bougacha [Mon, 15 Feb 2016 19:32:54 +0000 (19:32 +0000)]
[X86] Remove now-dead variable and redundant assert. NFC.

The variable was made dead in NDEBUG by r260901, but the assert
was redundant anyway: get rid of both.

llvm-svn: 260908

8 years agoFix typo in LiveIntervalTest
Matthias Braun [Mon, 15 Feb 2016 19:30:11 +0000 (19:30 +0000)]
Fix typo in LiveIntervalTest

llvm-svn: 260907

8 years agoLiveIntervalAnalysis: Support moving of subregister defs in handleMove
Matthias Braun [Mon, 15 Feb 2016 19:25:36 +0000 (19:25 +0000)]
LiveIntervalAnalysis: Support moving of subregister defs in handleMove

This is an updated version which fixes a bug that happened with
uses tied to an earlyclobber operand which end at an unusual slotindex.

If two definitions write to independent subregisters then they can be
put in any order. LiveIntervalAnalysis::handleMove() did not support
this previously because it looks like moving a definition of a vreg past
another one.

This is a modified version of a patch proposed (two years ago) by
Vincent Lejeune! This version does not touch the read-undef flags and is
extended for the case of moving a subregister def behind all uses - this
can happen for subregister defs that are completely unused.

Differential Revision: http://reviews.llvm.org/D9067

llvm-svn: 260906

8 years agoAdd unittest for LiveIntervalAnalysis::handleMove()
Matthias Braun [Mon, 15 Feb 2016 19:25:34 +0000 (19:25 +0000)]
Add unittest for LiveIntervalAnalysis::handleMove()

llvm-svn: 260905

8 years agoMachineVerifier: Add parameter to choose if MachineFunction::verify() aborts
Matthias Braun [Mon, 15 Feb 2016 19:25:31 +0000 (19:25 +0000)]
MachineVerifier: Add parameter to choose if MachineFunction::verify() aborts

The abort on error behaviour is unpractical for debugger and unittest
usage.

llvm-svn: 260904

8 years ago[NFC] Fixing naming convention, lowercase start of function name.
Colin LeMahieu [Mon, 15 Feb 2016 18:47:55 +0000 (18:47 +0000)]
[NFC] Fixing naming convention, lowercase start of function name.

llvm-svn: 260903

8 years ago[Hexagon] Wrapping all MCExprs inside MCOperands within HexagonMCExpr to simplify...
Colin LeMahieu [Mon, 15 Feb 2016 18:42:07 +0000 (18:42 +0000)]
[Hexagon] Wrapping all MCExprs inside MCOperands within HexagonMCExpr to simplify handling and allow flags on the expression.

llvm-svn: 260902

8 years ago[CodeGen] Document and use getConstant's splat-building feature. NFC.
Ahmed Bougacha [Mon, 15 Feb 2016 18:07:29 +0000 (18:07 +0000)]
[CodeGen] Document and use getConstant's splat-building feature. NFC.

Differential Revision: http://reviews.llvm.org/D17229

llvm-svn: 260901

8 years ago[X86][SSE2] Regenerated sse2 tests
Simon Pilgrim [Mon, 15 Feb 2016 17:57:40 +0000 (17:57 +0000)]
[X86][SSE2] Regenerated sse2 tests

llvm-svn: 260900

8 years ago[ScheduleDAGInstrs] isUnsafeMemoryObject() removed
Jonas Paulsson [Mon, 15 Feb 2016 16:43:15 +0000 (16:43 +0000)]
[ScheduleDAGInstrs] isUnsafeMemoryObject() removed

This function was basically useless, since volatile memacesses or MIs with
unmodelled sideffects become global memory objects, and the other little
checks are also done elsewhere.

Reviewed by Andy Trick
http://reviews.llvm.org/D16881

llvm-svn: 260899

8 years agoDarwin: fix stdlib handling when CLANG_DEFAULT_STDLIB is set
Tim Northover [Mon, 15 Feb 2016 16:38:10 +0000 (16:38 +0000)]
Darwin: fix stdlib handling when CLANG_DEFAULT_STDLIB is set

I'd accidentally skipped the CMake check in a premature optimisation. I'd also
put the original test in completely the wrong place.

Thanks Jonas Hahnfeld!

llvm-svn: 260898

8 years ago[Hexagon] Missed testcase update in r260895
Krzysztof Parzyszek [Mon, 15 Feb 2016 16:15:02 +0000 (16:15 +0000)]
[Hexagon] Missed testcase update in r260895

llvm-svn: 260897

8 years ago[mips] Implemented the .hword directive.
Scott Egerton [Mon, 15 Feb 2016 16:11:51 +0000 (16:11 +0000)]
[mips] Implemented the .hword directive.

Summary:
In order to pass the tests, this required marking R_MIPS_16 relocations
as needing to point to the symbol and not the section.

Reviewers: vkalintiris, dsanders

Subscribers: dsanders, llvm-commits

Differential Revision: http://reviews.llvm.org/D17200

llvm-svn: 260896

8 years ago[Hexagon] Use zero-extending loads for anyext
Krzysztof Parzyszek [Mon, 15 Feb 2016 16:01:01 +0000 (16:01 +0000)]
[Hexagon] Use zero-extending loads for anyext

llvm-svn: 260895

8 years ago[LV] Add support for insertelt/extractelt processing during type truncation
Silviu Baranga [Mon, 15 Feb 2016 15:38:17 +0000 (15:38 +0000)]
[LV] Add support for insertelt/extractelt processing during type truncation

Summary:
While shrinking types according to the required bits, we can
encounter insert/extract element instructions. This will cause us to
reach an llvm_unreachable statement.

This change adds support for truncating insert/extract element
operations, and adds a regression test.

Reviewers: jmolloy

Subscribers: mzolotukhin, llvm-commits

Differential Revision: http://reviews.llvm.org/D17078

llvm-svn: 260893

8 years agoTweak the LICM code to reuse the first sub-loop instead of creating a new one
Roman Gareev [Mon, 15 Feb 2016 14:48:50 +0000 (14:48 +0000)]
Tweak the LICM code to reuse the first sub-loop instead of creating a new one

LICM starts with an *empty* AST, and then merges in each sub-loop. While the
add code is appropriate for sub-loop 2 and up, it's utterly unnecessary for
sub-loop 1. If the AST starts off empty, we can just clone/move the contents
of the subloop into the containing AST.

Reviewed-by: Philip Reames <listmail@philipreames.com>
Differential Revision: http://reviews.llvm.org/D16753

llvm-svn: 260892

8 years ago[X86] More thorough partial-register division checks
Simon Pilgrim [Mon, 15 Feb 2016 14:09:35 +0000 (14:09 +0000)]
[X86] More thorough partial-register division checks

For when grep counts are just not enough...

llvm-svn: 260891

8 years ago[X86] Regenerated 64/128 bit multiply tests
Simon Pilgrim [Mon, 15 Feb 2016 14:04:05 +0000 (14:04 +0000)]
[X86] Regenerated 64/128 bit multiply tests

llvm-svn: 260890

8 years ago[X86][SSE] More thorough testing of all-ones vectors re-materialization
Simon Pilgrim [Mon, 15 Feb 2016 13:50:48 +0000 (13:50 +0000)]
[X86][SSE] More thorough testing of all-ones vectors re-materialization

llvm-svn: 260889

8 years ago[X86][SSE] Regenerated uint2fp special case tests
Simon Pilgrim [Mon, 15 Feb 2016 13:41:41 +0000 (13:41 +0000)]
[X86][SSE] Regenerated uint2fp special case tests

llvm-svn: 260888

8 years agoMake llvm/test/tools/llvm-symbolizer/pdb/pdb.test Py3-compatible.
NAKAMURA Takumi [Mon, 15 Feb 2016 13:19:13 +0000 (13:19 +0000)]
Make llvm/test/tools/llvm-symbolizer/pdb/pdb.test Py3-compatible.

llvm-svn: 260887

8 years ago[FIX] Check the next base pointer for possible invariant loads
Johannes Doerfert [Mon, 15 Feb 2016 12:42:05 +0000 (12:42 +0000)]
[FIX] Check the next base pointer for possible invariant loads

  A load can only be invariant if its base pointer is invariant too. To
  this end, we check if the base pointer is defined inside the region or
  outside. In the former case we recursively check if we can (and
  therefore will) hoist the base pointer too. Only if that happends we
  can hoist the load.

llvm-svn: 260886

8 years ago[X86][SSE] Regenerated fast isel intrinsics tests
Simon Pilgrim [Mon, 15 Feb 2016 12:32:16 +0000 (12:32 +0000)]
[X86][SSE] Regenerated fast isel intrinsics tests

llvm-svn: 260885

8 years agoRevert "[FIX] Hoist accesses if AA stated they are invariant"
Johannes Doerfert [Mon, 15 Feb 2016 12:21:11 +0000 (12:21 +0000)]
Revert "[FIX] Hoist accesses if AA stated they are invariant"

  This reverts commit 98efa006c96ac981c00d2e386ec1102bce9f549a.

  The fix was broken since we do not use AA in the ScopDetection anymore to
  check for invariant accesses.

llvm-svn: 260884

8 years ago[compiler-rt] Fix test failures when switching default C++ library
Jonas Hahnfeld [Mon, 15 Feb 2016 11:28:15 +0000 (11:28 +0000)]
[compiler-rt] Fix test failures when switching default C++ library

1. Add two explicit -stdlib=libstdc++ in conjunction with -static-libstdc++
2. Pass -nostdinc++ when adding include paths for libc++ built for tsan. This
   prevents clang finding the headers twice which would confuse #include_next

Differential Revision: http://reviews.llvm.org/D17189

llvm-svn: 260883

8 years agoPR26449: Tests for builtin_classify_type fix
Andrey Bokhanko [Mon, 15 Feb 2016 10:44:27 +0000 (10:44 +0000)]
PR26449: Tests for builtin_classify_type fix

In my previous commit (rL260881) I forget to svn add tests. This commit adds
them.

Differential Revision: http://reviews.llvm.org/D16846

llvm-svn: 260882

8 years agoPR26449: Fixes for bugs in __builtin_classify_type implementation
Andrey Bokhanko [Mon, 15 Feb 2016 10:39:04 +0000 (10:39 +0000)]
PR26449: Fixes for bugs in __builtin_classify_type implementation

This patch fixes the following bugs in __builtin_classify_type implementation:
1) Support for member functions and fields
2) Same behavior as GCC in C mode (specifically, return integer_type_class for
   enums and pointer_type_class for function pointers and arrays). Behavior in
   C++ mode didn't changed.

Also, it refactors the whole implementation, by replacing a sequence of
if-else-if with a couple of switches.

Differential Revision: http://reviews.llvm.org/D16846

llvm-svn: 260881

8 years agoReverted r260879 as it caused test failures in lld.
Scott Egerton [Mon, 15 Feb 2016 10:04:38 +0000 (10:04 +0000)]
Reverted r260879 as it caused test failures in lld.

llvm-svn: 260880

8 years ago[mips] Removed the SHF_ALLOC flag from the .pdr section.
Scott Egerton [Mon, 15 Feb 2016 09:34:15 +0000 (09:34 +0000)]
[mips] Removed the SHF_ALLOC flag from the .pdr section.

Summary:
This section is used for debug information and has no need to be
in memory at runtime. With this patch, LLVM now emits the same flags as
the GNU assembler. This patch also fixes an error when compiling
the Linux kernel, The error is that there are relocations within the
.pdr section in a VDSO.

Reviewers: vkalintiris, dsanders

Subscribers: llvm-commits, dsanders

Differential Revision: http://reviews.llvm.org/D17199

llvm-svn: 260879

8 years agoAVX512: Change store size of kmask. Store size of v8i1, v4i1 , v2i1 and i1 are change...
Igor Breger [Mon, 15 Feb 2016 08:25:28 +0000 (08:25 +0000)]
AVX512: Change store size of kmask. Store size of v8i1, v4i1 , v2i1 and i1 are changed to 16 bits.
If KMOVB not supported (require AVX512DQ) only KMOVW can be used so store size should be 2 bytes.

Differential Revision: http://reviews.llvm.org/D17138

llvm-svn: 260878

8 years ago[OPENMP] Remove extra sync barriers for 'firstprivate' clause.
Alexey Bataev [Mon, 15 Feb 2016 08:07:17 +0000 (08:07 +0000)]
[OPENMP] Remove extra sync barriers for 'firstprivate' clause.
Sync barrier will be emitted after generation of firstprivate variables
only if one of the firstprivate vars is used in lastprivate clause.

llvm-svn: 260877

8 years agoFixed non-NULL terminating array bug in SanitizerCommon.StartSubprocessTest that...
Zia Ansari [Mon, 15 Feb 2016 05:11:51 +0000 (05:11 +0000)]
Fixed non-NULL terminating array bug in SanitizerCommon.StartSubprocessTest that caused them to fail sometimes and act flaky.

Differential Revision: http://reviews.llvm.org/D17228

llvm-svn: 260876