platform/upstream/llvm.git
8 years ago[X86] Simplify the lowering code for extracting and inserting subvectors.
Craig Topper [Thu, 13 Oct 2016 04:14:47 +0000 (04:14 +0000)]
[X86] Simplify the lowering code for extracting and inserting subvectors.

We don't need to check if AVX is enabled. It's implied by the operation action being set to Custom.
We don't need to check both the input and output type widths. We only need to check the type that's being inserted or extracted. The other type is known to be a legal type and we can assume its a different width.

llvm-svn: 284102

8 years agoRevert r282345 - Use __attribute__((internal_linkage)) when available.
Eric Fiselier [Thu, 13 Oct 2016 04:07:58 +0000 (04:07 +0000)]
Revert r282345 - Use __attribute__((internal_linkage)) when available.

llvm-svn: 284101

8 years agoFix Python binding generation build step on Windows
Vadim Macagon [Thu, 13 Oct 2016 04:07:22 +0000 (04:07 +0000)]
Fix Python binding generation build step on Windows

Summary:
If Python is installed to a location that contains spaces
(e.g. "C:\Program Files\Python3") then the build fails while attempting
to run the modify-python-lldb.py script because the path to the Python
executable is not double-quoted before being passed to the shell. The
fix consists of letting Python handle the formatting of the command
line, since subprocess.Popen() is perfectly capable of handling paths
containing spaces if it's given the command and arguments as a list
instead of a single pre-formatted string.

Reviewers: zturner, clayborg

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D25396

llvm-svn: 284100

8 years agoMemory-SSA: strengthen defClobbersUseOrDef interface
Sebastian Pop [Thu, 13 Oct 2016 03:23:33 +0000 (03:23 +0000)]
Memory-SSA: strengthen defClobbersUseOrDef interface

As Danny pointed out, defClobbersUseOrDef should use MemoryLocOrCall to make
sure fences are properly handled.

llvm-svn: 284099

8 years agocommit back "GVN-hoist: fix store past load dependence analysis (PR30216, PR30499)"
Sebastian Pop [Thu, 13 Oct 2016 01:39:10 +0000 (01:39 +0000)]
commit back "GVN-hoist: fix store past load dependence analysis (PR30216, PR30499)"

This is with an extra change to avoid calling MemoryLocation::get() on a call instruction.

Differential Revision: https://reviews.llvm.org/D25542

llvm-svn: 284098

8 years ago[AArch64][RegisterBankInfo] Provide alternative mappings for 64-bit load
Quentin Colombet [Thu, 13 Oct 2016 01:01:23 +0000 (01:01 +0000)]
[AArch64][RegisterBankInfo] Provide alternative mappings for 64-bit load

This allows RegBankSelect in greedy mode to get rid some of the cross
register bank copies when loads are involved in the chain of
computation.

llvm-svn: 284097

8 years agoCorrect PrivateLinkage for COFF
Reid Kleckner [Thu, 13 Oct 2016 00:55:24 +0000 (00:55 +0000)]
Correct PrivateLinkage for COFF

- Use storage class C_STAT for 'PrivateLinkage' The storage class for
  PrivateLinkage should equal to the Internal Linkage.

- Set 'PrivateGlobalPrefix' from "L" to ".L" for MM_WinCOFF (includes
  x86_64) MM_WinCOFF has empty GlobalPrefix '\0' so PrivateGlobalPrefix
  "L" may conflict to the normal symbol name starting with 'L'.

Based on a patch by Han Sangjin! Manually updated test cases.

llvm-svn: 284096

8 years agoAdd "opt" to the list of test dependencies.
Peter Collingbourne [Thu, 13 Oct 2016 00:49:21 +0000 (00:49 +0000)]
Add "opt" to the list of test dependencies.

We've started using it in the ThinLTO tests.

Also remove a repeated dependency on llvm-nm.

llvm-svn: 284095

8 years ago[AArch64][RegisterBankInfo] Provide alternative mappings for G_BITCASTs.
Quentin Colombet [Thu, 13 Oct 2016 00:34:48 +0000 (00:34 +0000)]
[AArch64][RegisterBankInfo] Provide alternative mappings for G_BITCASTs.

Thanks to this patch, RegBankSelect is able to get rid of some register
bank copies as demonstrated in the test case.

llvm-svn: 284094

8 years agoRevert "GVN-hoist: fix store past load dependence analysis (PR30216, PR30499)"
Reid Kleckner [Thu, 13 Oct 2016 00:18:26 +0000 (00:18 +0000)]
Revert "GVN-hoist: fix store past load dependence analysis (PR30216, PR30499)"

This CL didn't actually address the test case in PR30499, and clang
still crashes.

Also revert dependent change "Memory-SSA cleanup of clobbers interface, NFC"

Reverts r283965 and r283967.

llvm-svn: 284093

8 years agoMove a utility function to Strings.cpp.
Rui Ueyama [Thu, 13 Oct 2016 00:13:15 +0000 (00:13 +0000)]
Move a utility function to Strings.cpp.

So that we can use the function from anywhere.

llvm-svn: 284092

8 years ago[AArch64][RegisterBankInfo] Describe cross regbank copies statically.
Quentin Colombet [Thu, 13 Oct 2016 00:12:06 +0000 (00:12 +0000)]
[AArch64][RegisterBankInfo] Describe cross regbank copies statically.

NFC.

llvm-svn: 284091

8 years ago[AArch64][RegisterBankInfo] Use static mapping for same bank G_BITCAST.
Quentin Colombet [Thu, 13 Oct 2016 00:12:04 +0000 (00:12 +0000)]
[AArch64][RegisterBankInfo] Use static mapping for same bank G_BITCAST.

NFC.

llvm-svn: 284090

8 years ago[AArch64][MachineLegalizer] Mark more G_BITCAST as legal.
Quentin Colombet [Thu, 13 Oct 2016 00:12:01 +0000 (00:12 +0000)]
[AArch64][MachineLegalizer] Mark more G_BITCAST as legal.

Basically any vector types that fits in a 32-bit register is also valid
as far as copies are concerned.

llvm-svn: 284089

8 years ago[AArch64][RegisterBankInfo] Bump the cost of vector loads.
Quentin Colombet [Thu, 13 Oct 2016 00:11:59 +0000 (00:11 +0000)]
[AArch64][RegisterBankInfo] Bump the cost of vector loads.

This does not change anything yet, because we do not offer any
alternative mapping.

llvm-svn: 284088

8 years ago[AArch64][RegisterBankInfo] Use a proper cost for cross regbank G_BITCASTs.
Quentin Colombet [Thu, 13 Oct 2016 00:11:57 +0000 (00:11 +0000)]
[AArch64][RegisterBankInfo] Use a proper cost for cross regbank G_BITCASTs.

This does not change anything yet, because we do not offer any
alternative mapping.

llvm-svn: 284087

8 years ago[AArch64][RegisterBankInfo] Provide more realistic copy costs.
Quentin Colombet [Thu, 13 Oct 2016 00:11:55 +0000 (00:11 +0000)]
[AArch64][RegisterBankInfo] Provide more realistic copy costs.

llvm-svn: 284086

8 years agofix function label name in addressofreturnaddress test
Albert Gutowski [Wed, 12 Oct 2016 23:58:45 +0000 (23:58 +0000)]
fix function label name in addressofreturnaddress test

llvm-svn: 284085

8 years ago[analyzer] DeallocChecker: Don't warn about directly-set IBOutlet ivars on macOS
Devin Coughlin [Wed, 12 Oct 2016 23:57:05 +0000 (23:57 +0000)]
[analyzer] DeallocChecker: Don't warn about directly-set IBOutlet ivars on macOS

On macOS (but not iOS), if an ObjC property has no setter, the nib-loading code
for an IBOutlet is documented as directly setting the backing ivar without
retaining the value -- even if the property is 'retain'.

This resulted in false positives from the DeallocChecker for code that did not
release such ivars in -dealloc.

To avoid these false positives, treat IBOutlet ivars that back a property
without a setter as having an unknown release requirement in macOS.

rdar://problem/28507353

llvm-svn: 284084

8 years agofix ms-intrinsics labels code to work with builds with assertions
Albert Gutowski [Wed, 12 Oct 2016 23:52:38 +0000 (23:52 +0000)]
fix ms-intrinsics labels code to work with builds with assertions

llvm-svn: 284083

8 years ago[GitHubMove Doc] Properly nest a subsection in the proposal
Mehdi Amini [Wed, 12 Oct 2016 23:36:11 +0000 (23:36 +0000)]
[GitHubMove Doc] Properly nest a subsection in the proposal

llvm-svn: 284082

8 years agoRevert r284008. This is us to fail to instantiate static data members in some
Richard Smith [Wed, 12 Oct 2016 23:29:02 +0000 (23:29 +0000)]
Revert r284008. This is us to fail to instantiate static data members in some
cases. I'm working on reducing a testcase.

llvm-svn: 284081

8 years ago[NFC] Fixing the description for _mm_store_ps and _mm_store_ps1.
Yunzhong Gao [Wed, 12 Oct 2016 23:27:27 +0000 (23:27 +0000)]
[NFC] Fixing the description for _mm_store_ps and _mm_store_ps1.

It seems that the doxygen description of these two intrinsics were swapped by
mistake.

llvm-svn: 284080

8 years agoFix variable name. NFC.
Rui Ueyama [Wed, 12 Oct 2016 23:22:59 +0000 (23:22 +0000)]
Fix variable name. NFC.

llvm-svn: 284079

8 years agofix title underline length
Albert Gutowski [Wed, 12 Oct 2016 23:10:02 +0000 (23:10 +0000)]
fix title underline length

llvm-svn: 284078

8 years agoMoving to GitHub - Unified Proposal
Mehdi Amini [Wed, 12 Oct 2016 23:02:02 +0000 (23:02 +0000)]
Moving to GitHub - Unified Proposal

This document describes the proposal to move to GitHub, and
compare the two proposals through various workflow examples,
presenting the current set of commands following by the ones
involved in each of the two proposals.

It is intended to supersede the previous "submodule proposal"
document entirely, and drive the discussion at the BoF during
the next Dev Meeting.

Differential Revision: https://reviews.llvm.org/D24167

llvm-svn: 284077

8 years agoHandle lane masks in LivePhysRegs when adding live-ins
Krzysztof Parzyszek [Wed, 12 Oct 2016 22:53:41 +0000 (22:53 +0000)]
Handle lane masks in LivePhysRegs when adding live-ins

Differential Revision: https://reviews.llvm.org/D25533

llvm-svn: 284076

8 years agoGlobalISel: support G_TRUNC selection on AArch64.
Tim Northover [Wed, 12 Oct 2016 22:49:15 +0000 (22:49 +0000)]
GlobalISel: support G_TRUNC selection on AArch64.

Ahmed's patch again.

llvm-svn: 284075

8 years agoGlobalISel: support int <-> float conversions on AArch64.
Tim Northover [Wed, 12 Oct 2016 22:49:11 +0000 (22:49 +0000)]
GlobalISel: support int <-> float conversions on AArch64.

More of Ahmed's work.

llvm-svn: 284074

8 years agoGlobalISel: select G_FCMP instructions on AArch64.
Tim Northover [Wed, 12 Oct 2016 22:49:07 +0000 (22:49 +0000)]
GlobalISel: select G_FCMP instructions on AArch64.

Another of Ahmed's patches.

llvm-svn: 284073

8 years agoGlobalISel: support selection of G_ICMP on AArch64.
Tim Northover [Wed, 12 Oct 2016 22:49:04 +0000 (22:49 +0000)]
GlobalISel: support selection of G_ICMP on AArch64.

Patch from Ahmed Bougaca again.

llvm-svn: 284072

8 years agoGlobalISel: select G_BRCOND instructions on AArch64.
Tim Northover [Wed, 12 Oct 2016 22:49:01 +0000 (22:49 +0000)]
GlobalISel: select G_BRCOND instructions on AArch64.

llvm-svn: 284071

8 years agoGlobalISel: mark G_BRCOND on s1 as legal.
Tim Northover [Wed, 12 Oct 2016 22:48:36 +0000 (22:48 +0000)]
GlobalISel: mark G_BRCOND on s1 as legal.

It's going to be a TBNZ (at -O0) anyway, so the high bits don't matter.

llvm-svn: 284070

8 years ago[unittests] Delete even more copy constructors (NFC)
Vedant Kumar [Wed, 12 Oct 2016 22:44:50 +0000 (22:44 +0000)]
[unittests] Delete even more copy constructors (NFC)

llvm-svn: 284069

8 years agoSupport GNU-style ZLIB-compressed input sections.
Rui Ueyama [Wed, 12 Oct 2016 22:36:31 +0000 (22:36 +0000)]
Support GNU-style ZLIB-compressed input sections.

Previously, we supported only SHF_COMPRESSED sections because it's
new and it's the ELF standard. But there are object files compressed
in the GNU style out there, so we had to support it.

Sections compressed in the GNU style start with ".zdebug_" and
contain different headers than the ELF standard's one. In this
patch, getRawCompressedData is responsible to handle it.

A tricky thing about GNU-style compressed sections is that we have
to rename them when creating output sections. ".zdebug_" prefix
implies the section is compressed. We need to rename ".zdebug_"
".debug" because our output sections are not compressed.
We do that in this patch.

llvm-svn: 284068

8 years agoMake __asan_handle_no_return a no-op during initialization
Reid Kleckner [Wed, 12 Oct 2016 22:33:57 +0000 (22:33 +0000)]
Make __asan_handle_no_return a no-op during initialization

Some of our existing tests hang on the new Windows bot with this stack:

770, clang_rt.asan_dynamic-i386.dll!__asan::AsanTSDGet+0x3e
771, clang_rt.asan_dynamic-i386.dll!__asan::GetCurrentThread+0x9
772, clang_rt.asan_dynamic-i386.dll!__asan_handle_no_return+0xe
773, clang_rt.asan_dynamic-i386.dll!__asan_wrap__except_handler4_common+0x12
774, ntdll.dll!wcstombs+0xb0 (No unwind info)
775, ntdll.dll!ZwWow64CallFunction64+0x2001 (No unwind info)
776, ntdll.dll!ZwWow64CallFunction64+0x1fd3 (No unwind info)
777, ntdll.dll!KiUserExceptionDispatcher+0xf (No unwind info)
778, clang_rt.asan_dynamic-i386.dll!destroy_fls+0x13
779, ntdll.dll!RtlLockHeap+0xea (No unwind info)
780, ntdll.dll!LdrShutdownProcess+0x7f (No unwind info)
781, ntdll.dll!RtlExitUserProcess+0x81 (No unwind info)
782, kernel32.dll!ExitProcess+0x13 (No unwind info)
783, clang_rt.asan_dynamic-i386.dll!__sanitizer::internal__exit+0xc
784, clang_rt.asan_dynamic-i386.dll!__sanitizer::Die+0x3d
785, clang_rt.asan_dynamic-i386.dll!__asan::AsanInitInternal+0x50b
786, clang_rt.asan_dynamic-i386.dll!__asan::Allocator::Allocate+0x1c
787, clang_rt.asan_dynamic-i386.dll!__asan::Allocator::Calloc+0x43

We hang because AsanDie tries to defend against multi-threaded death by
infinite looping if someone is already exiting. We might want to
reconsider that, but one easy way to avoid getting here is not to let
our noreturn interceptors call back into fragile parts of ASan.

llvm-svn: 284067

8 years ago[unittests] Delete some copy constructors (NFC)
Vedant Kumar [Wed, 12 Oct 2016 22:27:54 +0000 (22:27 +0000)]
[unittests] Delete some copy constructors (NFC)

llvm-svn: 284066

8 years ago[unittest] Pass a reference instead of making a copy (NFC)
Vedant Kumar [Wed, 12 Oct 2016 22:27:52 +0000 (22:27 +0000)]
[unittest] Pass a reference instead of making a copy (NFC)

llvm-svn: 284065

8 years ago[Coverage] Delete some copy constructors (NFC)
Vedant Kumar [Wed, 12 Oct 2016 22:27:49 +0000 (22:27 +0000)]
[Coverage] Delete some copy constructors (NFC)

llvm-svn: 284064

8 years ago[Coverage] Factor out logic to create FunctionRecords (NFC)
Vedant Kumar [Wed, 12 Oct 2016 22:27:45 +0000 (22:27 +0000)]
[Coverage] Factor out logic to create FunctionRecords (NFC)

llvm-svn: 284063

8 years agofix regexes for label names in ms-intrinsics test
Albert Gutowski [Wed, 12 Oct 2016 22:22:34 +0000 (22:22 +0000)]
fix regexes for label names in ms-intrinsics test

llvm-svn: 284062

8 years agoCreate llvm.addressofreturnaddress intrinsic
Albert Gutowski [Wed, 12 Oct 2016 22:13:19 +0000 (22:13 +0000)]
Create llvm.addressofreturnaddress intrinsic

Summary: We need a new LLVM intrinsic to implement MS _AddressOfReturnAddress builtin on 64-bit Windows.

Reviewers: majnemer, rnk

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25293

llvm-svn: 284061

8 years agoImplement MS _BitScan intrinsics
Albert Gutowski [Wed, 12 Oct 2016 22:01:05 +0000 (22:01 +0000)]
Implement MS _BitScan intrinsics

Summary: _BitScan intrinsics (and some others, for example _Interlocked and _bittest) are supposed to work on both ARM and x86. This is an attempt to isolate them, avoiding repeating their code or writing separate function for each builtin.

Reviewers: hans, thakis, rnk, majnemer

Subscribers: RKSimon, cfe-commits, aemerson

Differential Revision: https://reviews.llvm.org/D25264

llvm-svn: 284060

8 years agoFollow up to r283955: add _recalloc_base dll thunk
Reid Kleckner [Wed, 12 Oct 2016 21:59:56 +0000 (21:59 +0000)]
Follow up to r283955: add _recalloc_base dll thunk

llvm-svn: 284059

8 years agoUpdate _MSC_VER equality checks for msdiaNNN.dll
Reid Kleckner [Wed, 12 Oct 2016 21:51:14 +0000 (21:51 +0000)]
Update _MSC_VER equality checks for msdiaNNN.dll

Use inequality instead of equality to defend against minor version
increases in _MSC_VER. An _MSC_VER value of 1901 should still use
msdia140.dll, as described in this blog post:
https://blogs.msdn.microsoft.com/vcblog/2016/10/05/visual-c-compiler-version/

llvm-svn: 284058

8 years ago[lit] Fix test shtest-timeout.py for modern output
Michal Gorny [Wed, 12 Oct 2016 21:40:08 +0000 (21:40 +0000)]
[lit] Fix test shtest-timeout.py for modern output

Update the CHECK lines in the shtest-timeout.py lit test to account for
the current output. The output has been changed in r271610 without
adjusting the tests.

Differential Revision: https://reviews.llvm.org/D25236

llvm-svn: 284057

8 years ago[lit] Fix FormatError on individual test timeout
Michal Gorny [Wed, 12 Oct 2016 21:40:04 +0000 (21:40 +0000)]
[lit] Fix FormatError on individual test timeout

Differential Revision: https://reviews.llvm.org/D25195

llvm-svn: 284056

8 years agoRemove basic block label in test case
Arnold Schwaighofer [Wed, 12 Oct 2016 21:36:15 +0000 (21:36 +0000)]
Remove basic block label in test case

Another attempt to make a bot happy

llvm-svn: 284055

8 years agoReapply "[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll...
Haicheng Wu [Wed, 12 Oct 2016 21:29:38 +0000 (21:29 +0000)]
Reapply "[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll a loop"

Reappy r284044 after revert in r284051. Krzysztof fixed the error in r284049.

The original summary:

This patch tries to fully unroll loops having break statement like this

for (int i = 0; i < 8; i++) {
    if (a[i] == value) {
        found = true;
        break;
    }
}

GCC can fully unroll such loops, but currently LLVM cannot because LLVM only
supports loops having exact constant trip counts.

The upper bound of the trip count can be obtained from calling
ScalarEvolution::getMaxBackedgeTakenCount(). Part of the patch is the
refactoring work in SCEV to prevent duplicating code.

The feature of using the upper bound is enabled under the same circumstance
when runtime unrolling is enabled since both are used to unroll loops without
knowing the exact constant trip count.

llvm-svn: 284053

8 years ago[MIRParser] Parse lane masks for register live-ins
Krzysztof Parzyszek [Wed, 12 Oct 2016 21:06:45 +0000 (21:06 +0000)]
[MIRParser] Parse lane masks for register live-ins

Differential Revision: https://reviews.llvm.org/D25530

llvm-svn: 284052

8 years agoRevert "[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll...
Haicheng Wu [Wed, 12 Oct 2016 21:02:22 +0000 (21:02 +0000)]
Revert "[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll a loop"

This reverts commit r284044.

llvm-svn: 284051

8 years ago[ThinLTO] Test we handle collisions correctly in presence of --whole-archive.
Davide Italiano [Wed, 12 Oct 2016 20:52:52 +0000 (20:52 +0000)]
[ThinLTO] Test we handle collisions correctly in presence of --whole-archive.

llvm-svn: 284050

8 years agoFix testcases failing after r284036
Krzysztof Parzyszek [Wed, 12 Oct 2016 20:39:33 +0000 (20:39 +0000)]
Fix testcases failing after r284036

The codegen has changed slightly between my tests and the commit.

llvm-svn: 284049

8 years agoSpecify a target cpu in test case
Arnold Schwaighofer [Wed, 12 Oct 2016 20:30:24 +0000 (20:30 +0000)]
Specify a target cpu in test case

Hopefully, this makes the bots happy

llvm-svn: 284048

8 years agoDisable trivial pair copy/move tests when unsupported
Dimitry Andric [Wed, 12 Oct 2016 20:26:47 +0000 (20:26 +0000)]
Disable trivial pair copy/move tests when unsupported

Summary:
On FreeBSD, for ABI compatibility reasons, the pair trivial copy
constructor is disabled, using the aptly-named
`_LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR` define.

Disable the related tests when this define is on, so they don't fail
unexpectedly.

Reviewers: emaste, rsmith, theraven, EricWF

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D25449

llvm-svn: 284047

8 years ago[CMake] Cleanup check-lldb targets
Chris Bieneman [Wed, 12 Oct 2016 20:26:13 +0000 (20:26 +0000)]
[CMake] Cleanup check-lldb targets

Summary:
This patch adds the following fixes to the check-lldb targets:

* Adds missing dependencies on lldb tools so they get built before tests execute
* Adds Ninja USES_TERMINAL to the target so that the output streams to stdout as it executes
* Uses a generator expression to find the lldb executable, this is more robust than constructing the path manually

Reviewers: tfiala, zturner

Subscribers: mgorny, lldb-commits

Differential Revision: https://reviews.llvm.org/D25490

llvm-svn: 284046

8 years agoUse LLDB_SRC for relative paths
Chris Bieneman [Wed, 12 Oct 2016 20:24:42 +0000 (20:24 +0000)]
Use LLDB_SRC for relative paths

Summary:
Going from LLDB_SRC instead of the file path is safer when looking for compiler-rt. Also need to add support for looking inside the LLVM runtimes subdirectory.

Eventually we should just get CMake to provide these paths during configuration.

Reviewers: tfiala, zturner

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D25489

llvm-svn: 284045

8 years ago[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll a loop
Haicheng Wu [Wed, 12 Oct 2016 20:24:32 +0000 (20:24 +0000)]
[LoopUnroll] Use the upper bound of the loop trip count to fullly unroll a loop

This patch tries to fully unroll loops having break statement like this

for (int i = 0; i < 8; i++) {
    if (a[i] == value) {
        found = true;
        break;
    }
}

GCC can fully unroll such loops, but currently LLVM cannot because LLVM only
supports loops having exact constant trip counts.

The upper bound of the trip count can be obtained from calling
ScalarEvolution::getMaxBackedgeTakenCount(). Part of the patch is the
refactoring work in SCEV to prevent duplicating code.

The feature of using the upper bound is enabled under the same circumstance
when runtime unrolling is enabled since both are used to unroll loops without
knowing the exact constant trip count.

Differential Revision: https://reviews.llvm.org/D24790

llvm-svn: 284044

8 years agoFix test suite lookup path for LLDB.h
Chris Bieneman [Wed, 12 Oct 2016 20:22:02 +0000 (20:22 +0000)]
Fix test suite lookup path for LLDB.h

Summary:
When running on Darwin, the test suite assumes a specific directory structure for the build directory. This works for the Xcode project builds, but fails for CMake builds regardless of whether or not you are generating the LLDB framework.

This patch allows the Darwin code path to fall back to the more generic code path used by other platforms in the event that LLDB.h isn't where the test suite expects it.

This allows API tests to run on Darwin when building with CMake with the framework build enabled or disabled.

Reviewers: tfiala, zturner

Subscribers: labath, lldb-commits

Differential Revision: https://reviews.llvm.org/D25488

llvm-svn: 284043

8 years agoFix building tests without system headers on Darwin
Chris Bieneman [Wed, 12 Oct 2016 20:19:19 +0000 (20:19 +0000)]
Fix building tests without system headers on Darwin

Summary: Default installations of OS X do not have system headers installed at /usr/include. This patch allows the LLDB test executables to properly compile when built on a system without headers at /usr/include by specifying a default value for the apple-sdk flag as "macosx".

Reviewers: tfiala, zturner

Subscribers: lldb-commits

Differential Revision: https://reviews.llvm.org/D25487

llvm-svn: 284042

8 years agoFix lookup path for lldb-mi
Chris Bieneman [Wed, 12 Oct 2016 20:15:46 +0000 (20:15 +0000)]
Fix lookup path for lldb-mi

Summary:
The test suite calls realpath on the lldb executable then append "-mi" to it to find the path of the lldb-mi executable. This does not work when using CMake builds on *nix platforms. On *nix platforms when a version number is set on executables CMake generates the binary as ${name}-${version} with a symlink named ${name} pointing to it.

This results in the lldb executable being named lldb-4.0.0, and since lldb-4.0.0-mi doesn't ever match the lldb-mi executable these tests are always disabled.

This patch looks for lldb-mi in the same directory as lldb.

Reviewers: zturner, tfiala

Subscribers: ki.stfu, enlight, lldb-commits

Differential Revision: https://reviews.llvm.org/D25486

llvm-svn: 284041

8 years agoLTO: Use the correct mangler function in LTOCodeGenerator::applyScopeRestrictions().
Peter Collingbourne [Wed, 12 Oct 2016 20:12:19 +0000 (20:12 +0000)]
LTO: Use the correct mangler function in LTOCodeGenerator::applyScopeRestrictions().

We need to use the overload of Mangler::getNameWithPrefix that takes a
GlobalValue in order to mangle in the stdcall stack byte count for Windows
targets.

Differential Revision: https://reviews.llvm.org/D25529

llvm-svn: 284040

8 years ago[ThinLTO] Fix bot failure due to unused variable with NDEBUG
Teresa Johnson [Wed, 12 Oct 2016 20:06:02 +0000 (20:06 +0000)]
[ThinLTO] Fix bot failure due to unused variable with NDEBUG

Put variable only used in assert under #ifndef NDEBUG.

This should fix bot failure at
http://lab.llvm.org:8011/builders/lld-x86_64-darwin13/builds/28537

llvm-svn: 284039

8 years agoRevert "[ADT] Zip range adapter"
Mehdi Amini [Wed, 12 Oct 2016 19:54:08 +0000 (19:54 +0000)]
Revert "[ADT] Zip range adapter"

This reverts commit r284035, which breaks with MSVC 2013.

llvm-svn: 284037

8 years agoDo not remove implicit defs in BranchFolder
Krzysztof Parzyszek [Wed, 12 Oct 2016 19:50:57 +0000 (19:50 +0000)]
Do not remove implicit defs in BranchFolder

Branch folder removes implicit defs if they are the only non-branching
instructions in a block, and the branches do not use the defined registers.
The problem is that in some cases these implicit defs are required for
the liveness information to be correct.

Differential Revision: https://reviews.llvm.org/D25478

llvm-svn: 284036

8 years ago[ADT] Zip range adapter
Mehdi Amini [Wed, 12 Oct 2016 19:43:02 +0000 (19:43 +0000)]
[ADT] Zip range adapter

This augments the STLExtras toolset with a zip iterator and range
adapter. Zip comes in two varieties: `zip`, which will zip to the
shortest of the input ranges, and `zip_first`, which limits its
`begin() == end()` checks to just the first krange.

Patch by: Bryant Wong <github.com/bryant>

Differential Revision: https://reviews.llvm.org/D23252

llvm-svn: 284035

8 years ago[ThinLTO] Avoid archive member collisions.
Davide Italiano [Wed, 12 Oct 2016 19:35:54 +0000 (19:35 +0000)]
[ThinLTO] Avoid archive member collisions.

This fixes PR30665.

Differential Revision:  https://reviews.llvm.org/D25495

llvm-svn: 284034

8 years ago[NFC] Trial change to remove a redundant blank line.
Yunzhong Gao [Wed, 12 Oct 2016 19:33:33 +0000 (19:33 +0000)]
[NFC] Trial change to remove a redundant blank line.

llvm-svn: 284033

8 years agoDeclare WinX86_64ABIInfo to satisfy SwiftABI info
Arnold Schwaighofer [Wed, 12 Oct 2016 18:59:24 +0000 (18:59 +0000)]
Declare WinX86_64ABIInfo to satisfy SwiftABI info

This is minimal support that allows swift's test cases on non windows platforms
to pass.

rdar://28738985

llvm-svn: 284032

8 years agoAMDGPU: Initial implementation of VGPR indexing mode
Matt Arsenault [Wed, 12 Oct 2016 18:49:05 +0000 (18:49 +0000)]
AMDGPU: Initial implementation of VGPR indexing mode

This is the most basic handling of the indirect access
pseudos using GPR indexing mode. This currently only enables
the mode for a single v_mov_b32 and then disables it.
This is much more complicated to use than the movrel instructions,
so a new optimization pass is probably needed to fold the access
into the uses and keep the mode enabled for them.

llvm-svn: 284031

8 years ago[ThinLTO] Don't link module level assembly when importing
Teresa Johnson [Wed, 12 Oct 2016 18:39:29 +0000 (18:39 +0000)]
[ThinLTO] Don't link module level assembly when importing

Module inline asm was always being linked/concatenated
when running the IRLinker. This is correct for full LTO but not when
we are importing for ThinLTO, as it can result in multiply defined
symbols when the module asm defines a global symbol.

In order to test with llvm-lto2, I had to work around PR30396,
where a symbol that is defined in module assembly but defined in the
LLVM IR appears twice. Added workaround to llvm-lto2 with a FIXME.

Fixes PR30610.

Reviewers: mehdi_amini

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25359

llvm-svn: 284030

8 years agoDocument potential implementation of CFI in hardware.
Kostya Serebryany [Wed, 12 Oct 2016 18:33:54 +0000 (18:33 +0000)]
Document potential implementation of CFI in hardware.

Summary: Document potential implementation of CFI in hardware.

Reviewers: eugenis, pcc

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25455

llvm-svn: 284029

8 years ago[SimplifyCFG] Don't create PHI nodes for constant bundle operands
Sanjoy Das [Wed, 12 Oct 2016 18:15:33 +0000 (18:15 +0000)]
[SimplifyCFG] Don't create PHI nodes for constant bundle operands

Summary:
Constant bundle operands may need to retain their constant-ness for
correctness.  I'll admit that this is slightly odd, but it looks like
SimplifyCFG already does this for things like @llvm.frameaddress and
@llvm.stackmap, so I suppose adding one more case is not a big deal.

It is possible to add a mechanism to denote bundle operands that need to
remain constants, but that's probably too complicated for the time
being.

Reviewers: jmolloy

Subscribers: mcrosier, llvm-commits

Differential Revision: https://reviews.llvm.org/D25502

llvm-svn: 284028

8 years agoAMDGPU: Add instruction definitions for VGPR indexing
Matt Arsenault [Wed, 12 Oct 2016 18:00:51 +0000 (18:00 +0000)]
AMDGPU: Add instruction definitions for VGPR indexing

VI added a second method of indexing into VGPRs
besides using v_movrel*

llvm-svn: 284027

8 years agoMove x86-64 builtins from SemaChecking.cpp to BuiltinsX86_64.def
Albert Gutowski [Wed, 12 Oct 2016 17:28:44 +0000 (17:28 +0000)]
Move x86-64 builtins from SemaChecking.cpp to BuiltinsX86_64.def

Summary: Follow-up to https://reviews.llvm.org/D24598 (separating builtins for x84-64 and i386).

Reviewers: hans, thakis, rnk

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D25494

llvm-svn: 284026

8 years ago[X86] Add the v4i32 flavor test-case for pr30371
Zvi Rackover [Wed, 12 Oct 2016 17:06:30 +0000 (17:06 +0000)]
[X86] Add the v4i32 flavor test-case for pr30371

llvm-svn: 284025

8 years agoAMDGPU/SI: Change mimg intrinsic signatures
Tom Stellard [Wed, 12 Oct 2016 16:35:29 +0000 (16:35 +0000)]
AMDGPU/SI: Change mimg intrinsic signatures

This makes more fields overridable and removes redundant bits.

Patch by: Changpeng Fang

llvm-svn: 284024

8 years ago[ScopInfo/CodeGen] ExitPHI reads are implicit.
Michael Kruse [Wed, 12 Oct 2016 16:31:09 +0000 (16:31 +0000)]
[ScopInfo/CodeGen] ExitPHI reads are implicit.

Under some conditions MK_Value read accessed where converted to MK_ExitPHI read
accessed. This is unexpected because MK_ExitPHI read accesses are implicit after
the scop execution. This behaviour was introduced in r265261, which fixed a
failed assertion/crash in CodeGen.

Instead, we fix this failure in CodeGen itself. createExitPHINodeMerges(),
despite its name, also handles accesses of kind MK_Value, only to skip them
because they access values that are usually not PHI nodes in the SCoP region's
exit block. Except in the situation observed in r265261.

Do not convert value accessed to ExitPHI accesses and do not handle
value accesses like ExitPHI accessed in CodeGen anymore.

llvm-svn: 284023

8 years ago[ValueTracking] An improvement to IR ValueTracking on Non-negative Integers
Artur Pilipenko [Wed, 12 Oct 2016 16:18:43 +0000 (16:18 +0000)]
[ValueTracking] An improvement to IR ValueTracking on Non-negative Integers

Since this change is known to cause performance degradations in some cases it's commited under a temporary flag which is turned off by default.

Patch by Li Huang

Differential Revision: https://reviews.llvm.org/D18777

llvm-svn: 284022

8 years agoMark ostream_iterator's constructors as noexcept.
Marshall Clow [Wed, 12 Oct 2016 16:13:48 +0000 (16:13 +0000)]
Mark ostream_iterator's constructors as noexcept.

llvm-svn: 284021

8 years ago[clang-move] Compare with real paths of symlinks
Haojian Wu [Wed, 12 Oct 2016 15:50:30 +0000 (15:50 +0000)]
[clang-move] Compare with real paths of symlinks

Summary: MakeAbsolutePath does wrong things with symlinks previously. When comparing with a symlink, we need to compare with the real path of it. This fixes issues when the build directory is a symlink.

Reviewers: ioeric

Subscribers: beanz, mgorny, cfe-commits, bkramer

Differential Revision: https://reviews.llvm.org/D25508

llvm-svn: 284020

8 years agoNFC: CodeCompletionResult's constructor should take const NamedDecl
Alex Lorenz [Wed, 12 Oct 2016 15:33:35 +0000 (15:33 +0000)]
NFC: CodeCompletionResult's constructor should take const NamedDecl

CodeCompletionResult's Declaration field is a const pointer to the
NamedDecl, and thus the constructor should take a const pointer as well.

llvm-svn: 284019

8 years agoBranchRelaxation: Unique live ins when creating block
Matt Arsenault [Wed, 12 Oct 2016 15:32:04 +0000 (15:32 +0000)]
BranchRelaxation: Unique live ins when creating block

llvm-svn: 284018

8 years ago[MC] Fix Error Location for ParseIdentifier
Nirav Dave [Wed, 12 Oct 2016 13:58:07 +0000 (13:58 +0000)]
[MC] Fix Error Location for ParseIdentifier

Prevent partial parsing of '$' or '@' of invalid identifiers and fixup
workaround points. NFC Intended.

llvm-svn: 284017

8 years ago[libc++] Correct explanation of _LIBCPP_NEW_DELETE_VIS
Shoaib Meenai [Wed, 12 Oct 2016 13:48:14 +0000 (13:48 +0000)]
[libc++] Correct explanation of _LIBCPP_NEW_DELETE_VIS

The behavior of this macro actually needs to apply universally on
Windows and not just when using the Microsoft CRT. Update the macro
definition and documentation accordingly.

Differential Revision: https://reviews.llvm.org/D25145

llvm-svn: 284016

8 years ago[DAGCombiner] Update most ADD combines to support general vector combines
Simon Pilgrim [Wed, 12 Oct 2016 13:48:10 +0000 (13:48 +0000)]
[DAGCombiner] Update most ADD combines to support general vector combines

Add a number of helper functions to match scalar or vector equivalent constant/splat values to allow most of the combine patterns to be used by vectors.

Differential Revision: https://reviews.llvm.org/D25374

llvm-svn: 284015

8 years ago[DAGCombiner] Do not remove the load of stored values when optimizations are disabled
Konstantin Zhuravlyov [Wed, 12 Oct 2016 13:44:24 +0000 (13:44 +0000)]
[DAGCombiner] Do not remove the load of stored values when optimizations are disabled

This combiner breaks debug experience and should not be run when optimizations are disabled.

For example:
  int main() {
    int j = 0;
    j += 2;
    if (j == 2)
      return 0;
    return 5;
  }
When debugging this code compiled in /O0, it should be valid to break at line "j+=2;" and edit the value of j. It should change the return value of the function.

Differential Revision: https://reviews.llvm.org/D19268

llvm-svn: 284014

8 years ago[CVP] Convert an AShr to a LShr if 1st operand is known to be nonnegative.
Chad Rosier [Wed, 12 Oct 2016 13:41:38 +0000 (13:41 +0000)]
[CVP] Convert an AShr to a LShr if 1st operand is known to be nonnegative.

An arithmetic shift can be safely changed to a logical shift if the first
operand is known positive. This allows ComputeKnownBits (and similar analysis)
to determine the sign bit of the shifted value in some cases. In turn, this
allows InstCombine to canonicalize a signed comparison (a > 0) into an equality
check (a != 0).

PR30577

Differential Revision: https://reviews.llvm.org/D25119

llvm-svn: 284013

8 years agoNFC: The Cost Model specialization, by Andrey Tischenko
Alexey Bataev [Wed, 12 Oct 2016 13:24:13 +0000 (13:24 +0000)]
NFC: The Cost Model specialization, by Andrey Tischenko

The current Cost Model implementation is very inaccurate and has to be
updated, improved, re-implemented to be able to take into account the
concrete CPU models and the concrete targets where this Cost Model is
being used. For example, the Latency Cost Model should be differ from
Code Size Cost Model, etc.
This patch is the first step to launch the developing and implementation
of a new Cost Model generation.

Differential Revision: https://reviews.llvm.org/D25186

llvm-svn: 284012

8 years ago[change-namespace] don't miss comments in the beginning of a namespace block.
Eric Liu [Wed, 12 Oct 2016 12:34:18 +0000 (12:34 +0000)]
[change-namespace] don't miss comments in the beginning of a namespace block.

Reviewers: hokein

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D25397

llvm-svn: 284011

8 years agoAlternative fix for reloc tareting discarded section
Eugene Leviant [Wed, 12 Oct 2016 12:31:34 +0000 (12:31 +0000)]
Alternative fix for reloc tareting discarded section

r283984 introduced a problem of too many warning messages being shown
when -ffunction-sections and -fdata-sections were used in conjunction
with --gc-sections linker flag and debugging information present. This
happens because lot of relocations from .debug_line section may become
invalid in such case. The newer fix doesn't show any warning message but
zeroes OutSec pointer in createInputSectionList() to avoid crash, when
relocations are written

llvm-svn: 284010

8 years ago[ARM] Fix - missing target-cpu in test
Javed Absar [Wed, 12 Oct 2016 12:13:55 +0000 (12:13 +0000)]
[ARM] Fix - missing target-cpu in test

Fixes an incomplete test, wherein the target-cpu name (cortex-r52) was missing.

Differential Revision: http://reviews.llvm.org/D25474

llvm-svn: 284009

8 years agoReinstate r283887 and r283882.
Vassil Vassilev [Wed, 12 Oct 2016 11:57:08 +0000 (11:57 +0000)]
Reinstate r283887 and r283882.

Original message:
"[modules] PR28752: Do not instantiate variable declarations which are not visible.

https://reviews.llvm.org/D24508

Patch developed in collaboration with Richard Smith!"

llvm-svn: 284008

8 years ago[CodeCompletion] Show protocol properties that are accessed through qualified id
Alex Lorenz [Wed, 12 Oct 2016 11:40:15 +0000 (11:40 +0000)]
[CodeCompletion] Show protocol properties that are accessed through qualified id

This commit improves code completion for properties that are declared in
Objective-C protocols by making sure that properties show up in completions
when they are accessed through a qualified id.

rdar://24426041

Differential Revision: https://reviews.llvm.org/D25436

llvm-svn: 284007

8 years agoCorrectly grant rebound limited_allocators friendship.
Eric Fiselier [Wed, 12 Oct 2016 11:35:37 +0000 (11:35 +0000)]
Correctly grant rebound limited_allocators friendship.

llvm-svn: 284006

8 years agoRemove incorrect XFAILS
Eric Fiselier [Wed, 12 Oct 2016 11:29:18 +0000 (11:29 +0000)]
Remove incorrect XFAILS

llvm-svn: 284005

8 years agoUnbreak C++03 build
Eric Fiselier [Wed, 12 Oct 2016 11:20:27 +0000 (11:20 +0000)]
Unbreak C++03 build

llvm-svn: 284004

8 years ago[LLDB][MIPS] fix Floating point register read/write for big endian
Nitesh Jain [Wed, 12 Oct 2016 10:53:57 +0000 (10:53 +0000)]
[LLDB][MIPS] fix Floating point register read/write for big endian

Reviewers: clayborg, labath, jaydeep

Subscribers: bhushan, slthakur, lldb-commits

Differential Revision: https://reviews.llvm.org/D24603

llvm-svn: 284003

8 years agoRemove usages of _LIBCPP_CONSTEXPR under test/std
Eric Fiselier [Wed, 12 Oct 2016 10:28:09 +0000 (10:28 +0000)]
Remove usages of _LIBCPP_CONSTEXPR under test/std

llvm-svn: 284002

8 years ago[LLDB][MIPS] Fix qProcessInfo to return correct pointer size based on ELF ABI
Nitesh Jain [Wed, 12 Oct 2016 10:21:09 +0000 (10:21 +0000)]
[LLDB][MIPS] Fix qProcessInfo to return correct pointer size based on ELF ABI

Reviewers: clayborg, labath

Subscribers: jaydeep, bhushan, slthakur, lldb-commits

Differential Revision: https://reviews.llvm.org/D25021

llvm-svn: 284001