platform/upstream/llvm.git
9 years agoClean empty directories.
Joerg Sonnenberger [Sat, 15 Nov 2014 00:21:06 +0000 (00:21 +0000)]
Clean empty directories.

llvm-svn: 222069

9 years agoDIBuilder: Change private helper function to static, NFC
Duncan P. N. Exon Smith [Sat, 15 Nov 2014 00:05:04 +0000 (00:05 +0000)]
DIBuilder: Change private helper function to static, NFC

llvm-svn: 222068

9 years agoIR: Remove MDString logic for Value::hasName()
Duncan P. N. Exon Smith [Fri, 14 Nov 2014 23:58:20 +0000 (23:58 +0000)]
IR: Remove MDString logic for Value::hasName()

This isn't necessary after r221960.

llvm-svn: 222067

9 years agoDIBuilder: Cleanup access control style, NFC
Duncan P. N. Exon Smith [Fri, 14 Nov 2014 23:55:52 +0000 (23:55 +0000)]
DIBuilder: Cleanup access control style, NFC

llvm-svn: 222066

9 years agoThis patch fixes couple of bugs for predefined expression
Fariborz Jahanian [Fri, 14 Nov 2014 23:55:27 +0000 (23:55 +0000)]
This patch fixes couple of bugs for predefined expression
used inside blocks. It fixes a crash in naming code
for __func__ etc. when used in a block declared globally.
It also brings back old naming convention for
predefined expression which was broken. rdar://18961148

llvm-svn: 222065

9 years agoDI: Use Metadata for DITypeRef and DIScopeRef
Duncan P. N. Exon Smith [Fri, 14 Nov 2014 23:55:03 +0000 (23:55 +0000)]
DI: Use Metadata for DITypeRef and DIScopeRef

Now that `MDString` and `MDNode` have a common base class, use it.  Note
that it's not useful to assume subclasses of `Metadata` must be one or
the other since we'll be adding more subclasses soon enough.

Part of PR21532.

llvm-svn: 222064

9 years agoI don't need this ivar. It was probably there from the olden days where dynamic type...
Enrico Granata [Fri, 14 Nov 2014 23:38:23 +0000 (23:38 +0000)]
I don't need this ivar. It was probably there from the olden days where dynamic type support was flakey. Remove and save space

llvm-svn: 222063

9 years agoRename EH related stuff to be more precise
Reid Kleckner [Fri, 14 Nov 2014 23:31:07 +0000 (23:31 +0000)]
Rename EH related stuff to be more precise

Summary:
The current "WinEH" exception handling type is more about Itanium-style
LSDA tables layered on top of the Windows native unwind info format
instead of .eh_frame tables or EHABI unwind info. Use the name
"ItaniumWinEH" to better reflect the hybrid nature of the design.

Also rename isExceptionHandlingDWARF to usesItaniumLSDAForExceptions,
since the LSDA is part of the Itanium C++ ABI document, and not the
DWARF standard.

Reviewers: echristo

Subscribers: llvm-commits, compnerd

Differential Revision: http://reviews.llvm.org/D6279

llvm-svn: 222062

9 years agoDon't make assumptions about the name of private global variables.
Rafael Espindola [Fri, 14 Nov 2014 23:17:47 +0000 (23:17 +0000)]
Don't make assumptions about the name of private global variables.

Private variables are can be renamed, so it is not reliable to make
decisions on the name.

The name is also dropped by the assembler before getting to the
linker, so using the name causes a disconnect between how llvm makes a
decision (var name) and how the linker makes a decision (section it is
in).

This patch changes one case where we were looking at the variable name to use
the section instead.

Test tuning by Michael Gottesman.

llvm-svn: 222061

9 years ago[asan] add interface function __sanitizer_get_total_unique_coverage; useful for cover...
Kostya Serebryany [Fri, 14 Nov 2014 23:15:55 +0000 (23:15 +0000)]
[asan] add interface function __sanitizer_get_total_unique_coverage; useful for coverage-guided in-process fuzzers

llvm-svn: 222060

9 years agoFix examine-threads to build for arm64.
Jim Ingham [Fri, 14 Nov 2014 22:58:25 +0000 (22:58 +0000)]
Fix examine-threads to build for arm64.

llvm-svn: 222059

9 years agoRemoved a couple of static helpers in the data formatters, replaced with new general...
Enrico Granata [Fri, 14 Nov 2014 22:58:11 +0000 (22:58 +0000)]
Removed a couple of static helpers in the data formatters, replaced with new general logic in StringLexer

llvm-svn: 222058

9 years agoARM: refactor .cfi_def_cfa_offset emission.
Tim Northover [Fri, 14 Nov 2014 22:45:33 +0000 (22:45 +0000)]
ARM: refactor .cfi_def_cfa_offset emission.

We use to track quite a few "adjusted" offsets through the FrameLowering code
to account for changes in the prologue instructions as we went and allow the
emission of correct CFA annotations. However, we were missing a couple of cases
and the code was almost impenetrable.

It's easier to just add any stack-adjusting instruction to a list and emit them
together.

llvm-svn: 222057

9 years agoARM: correctly calculate the offset of FP in its push.
Tim Northover [Fri, 14 Nov 2014 22:45:31 +0000 (22:45 +0000)]
ARM: correctly calculate the offset of FP in its push.

When we folded the DPR alignment gap into a push, we weren't noting the extra
distance from the beginning of the push to the FP, and so FP ended up pointing
at an incorrect offset.

The .cfi_def_cfa_offset directives are still wrong in this case, but I think
that can be improved by refactoring.

llvm-svn: 222056

9 years agoARM: simplify test.
Tim Northover [Fri, 14 Nov 2014 22:45:23 +0000 (22:45 +0000)]
ARM: simplify test.

The test's DWARF stubs were there just to trigger the emission of .cfi
directives. Fortunately, the NetBSD ABI already demands proper DWARF unwind
info, so it's easier to just use that triple.

llvm-svn: 222055

9 years ago[c++1z] Support [[deprecated]] attributes on namespaces. Note that it only applies...
Aaron Ballman [Fri, 14 Nov 2014 22:34:56 +0000 (22:34 +0000)]
[c++1z] Support [[deprecated]] attributes on namespaces. Note that it only applies to situations where the namespace is mentioned. Thus, use on anonymous namespaces is diagnosed.

llvm-svn: 222054

9 years agoAdd -g -fno-omit-frame-pointer when compiling tests with sanitizers
Eric Fiselier [Fri, 14 Nov 2014 22:27:43 +0000 (22:27 +0000)]
Add -g -fno-omit-frame-pointer when compiling tests with sanitizers

llvm-svn: 222053

9 years agoInitialize pointer in string conversion helpers to prevent MSAN diagnostic.
Eric Fiselier [Fri, 14 Nov 2014 22:23:57 +0000 (22:23 +0000)]
Initialize pointer in string conversion helpers to prevent MSAN diagnostic.

Since the initialization of the pointer happens across the libc library boundry
MSAN will not know the pointer was initialized. This fixes MSAN failures in
test/strings/string.conversions.

llvm-svn: 222052

9 years agoadd debug info when compiling sanitizer tests
Eric Fiselier [Fri, 14 Nov 2014 22:18:03 +0000 (22:18 +0000)]
add debug info when compiling sanitizer tests

llvm-svn: 222051

9 years agoRerun AutoRegen.sh.
Eric Christopher [Fri, 14 Nov 2014 22:10:16 +0000 (22:10 +0000)]
Rerun AutoRegen.sh.

llvm-svn: 222050

9 years agoRecommit r222044 with a test fix - it does not make sense to hunt
Anton Korobeynikov [Fri, 14 Nov 2014 22:09:15 +0000 (22:09 +0000)]
Recommit r222044 with a test fix - it does not make sense to hunt
for a typedef before arithmetic conversion in all rare corner cases.

llvm-svn: 222049

9 years agoRemoving an unused variable; NFC.
Aaron Ballman [Fri, 14 Nov 2014 21:57:30 +0000 (21:57 +0000)]
Removing an unused variable; NFC.

llvm-svn: 222048

9 years agoAgain revert r222044 to resolve darwin objc test fails.
Anton Korobeynikov [Fri, 14 Nov 2014 21:54:46 +0000 (21:54 +0000)]
Again revert r222044 to resolve darwin objc test fails.

llvm-svn: 222047

9 years agoTurn a leaked object into a stack variable instead.
David Blaikie [Fri, 14 Nov 2014 21:53:50 +0000 (21:53 +0000)]
Turn a leaked object into a stack variable instead.

llvm-svn: 222046

9 years agoAdd the code and test cases for 64-bit ARM to llvm-objdump’s Mach-O symbolizer.
Kevin Enderby [Fri, 14 Nov 2014 21:52:18 +0000 (21:52 +0000)]
Add the code and test cases for 64-bit ARM to llvm-objdump’s Mach-O symbolizer.

FYI, removed the unused MCInstrAnalysis as it does not exist for 64-bit ARM and
was causing a “couldn't initialize disassembler for target” error.

llvm-svn: 222045

9 years agoFollow-up to D6217
Anton Korobeynikov [Fri, 14 Nov 2014 21:41:07 +0000 (21:41 +0000)]
Follow-up to D6217

Summary:
Ok, here is somewhat addition to D6217 aiming to preserve old darwin behavior wrt the typedefed types. The actual change to SemaChecking turned out to be pretty gross, in particular:
  1. We need to extract the typedef'ed type for proper diagnostics
  2. We need to walk over paren expressions as well

Reviewers: chandlerc, rsmith

Reviewed By: rsmith

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D6256

llvm-svn: 222044

9 years ago[PECOFF] Fix section alignment.
Rui Ueyama [Fri, 14 Nov 2014 21:33:07 +0000 (21:33 +0000)]
[PECOFF] Fix section alignment.

If you have something like

  __declspec(align(8192)) int foo = 1;

in your code, the compiler makes the data to be aligned to 8192-byte
boundary, and the linker align the section containing the data to 8192.

LLD always aligned the section to 4192. So, as long as alignment
requirement is smaller than 4192, it was correct, but for larger
requirements, it's wrong.

This patch fixes the issue.

llvm-svn: 222043

9 years agoAdd DiagID and Warning Flag to DiagnosticsLog
Steven Wu [Fri, 14 Nov 2014 21:23:56 +0000 (21:23 +0000)]
Add DiagID and Warning Flag to DiagnosticsLog

llvm-svn: 222042

9 years agoAdd a test for r222029 that doesn't rely on the default target being a COFF platform.
Frederic Riss [Fri, 14 Nov 2014 21:23:26 +0000 (21:23 +0000)]
Add a test for r222029 that doesn't rely on the default target being a COFF platform.

llvm-svn: 222041

9 years agoInstCombine: Fix infinite loop caused by visitFPTrunc
David Majnemer [Fri, 14 Nov 2014 21:21:15 +0000 (21:21 +0000)]
InstCombine: Fix infinite loop caused by visitFPTrunc

We would attempt to replace a fptrunc of an frem with an identical
fptrunc.  This would cause the new fptrunc to be added to the worklist.
Of course, this results in an infinite loop because we will keep
visiting the newly created fptruncs.

This fixes PR21576.

llvm-svn: 222040

9 years agoReapply r221924: "[GVN] Perform Scalar PRE on gep indices that feed loads before
Chad Rosier [Fri, 14 Nov 2014 21:09:13 +0000 (21:09 +0000)]
Reapply r221924: "[GVN] Perform Scalar PRE on gep indices that feed loads before
doing Load PRE"

This commit updates the failing test in
Analysis/TypeBasedAliasAnalysis/gvn-nonlocal-type-mismatch.ll

The failing test is sensitive to the order in which we process loads.  This
version turns on the RPO traversal instead of the while DT traversal in GVN.
The new test code is functionally same just the order of loads that are
eliminated is swapped.

This new version also fixes an issue where GVN splits a critical edge and
potentially invalidate the RPO/DT iterator.

llvm-svn: 222039

9 years agoChange order of tablegen generated fast-isel instruction code to be
Bill Schmidt [Fri, 14 Nov 2014 21:05:45 +0000 (21:05 +0000)]
Change order of tablegen generated fast-isel instruction code to be
based on instruction complexity

The order that tablegen fast-isel instruction code is generated is
currently based on the text of the predicate (using string
less-than). This patch changes this to instead use the instruction
complexity. Because the complexities are not unique a C++ multimap is
used instead of a map.

This fixes the problem where code with no predicate always comes out
first (the empty string always compares as less than all other
strings) thus making the code with predicates dead code. See the FMUL
code in PPCFastISel.cpp for an example. It also more closely matches
the normal codegen ordering. Some error checking in the tablegen
fast-isel code is fixed as well.

Patch by Bill Seurer.

llvm-svn: 222038

9 years agoR600/SI: Mark s_movk_i32 as rematerializable
Tom Stellard [Fri, 14 Nov 2014 20:43:28 +0000 (20:43 +0000)]
R600/SI: Mark s_movk_i32 as rematerializable

llvm-svn: 222037

9 years agoR600/SI: Fix spilling of m0 register
Tom Stellard [Fri, 14 Nov 2014 20:43:26 +0000 (20:43 +0000)]
R600/SI: Fix spilling of m0 register

If we have spilled the value of the m0 register, then we need to restore
it with v_readlane_b32 to a regular sgpr, because v_readlane_b32 can't
write to m0.

v_readlane_b32 can't write to m0, so

llvm-svn: 222036

9 years agoAdd -gline-tables-only when compiling w/ sanitizers in RELEASE
Eric Fiselier [Fri, 14 Nov 2014 20:38:07 +0000 (20:38 +0000)]
Add -gline-tables-only when compiling w/ sanitizers in RELEASE

llvm-svn: 222035

9 years agoCOFF: Add support for Dwarf accelerator tables.
Frederic Riss [Fri, 14 Nov 2014 20:33:40 +0000 (20:33 +0000)]
COFF: Add support for Dwarf accelerator tables.

This allows COFF targets to emit accelerator tables
when requested by -dwarf-accel-tables=Enable instead
of aborting. The test DebugInfo/cross-cu-inlining.ll
covers this on COFF platforms.

llvm-svn: 222034

9 years agoMinGW doesn't implement std::to_string; working around it. NFC.
Aaron Ballman [Fri, 14 Nov 2014 20:31:50 +0000 (20:31 +0000)]
MinGW doesn't implement std::to_string; working around it. NFC.

llvm-svn: 222033

9 years agoR600/SI: Combine min3/max3 instructions
Matt Arsenault [Fri, 14 Nov 2014 20:08:52 +0000 (20:08 +0000)]
R600/SI: Combine min3/max3 instructions

llvm-svn: 222032

9 years agoadd Makefile rule for test program CREATE_STD_THREADS
Shawn Best [Fri, 14 Nov 2014 19:41:33 +0000 (19:41 +0000)]
add Makefile rule for test program CREATE_STD_THREADS

Effectively removes -lpthreads from linux/gcc build of test programs in test/api/multithreaded. This was done due to that combination causing a test program to hang due, likely due to an issue with gcc linker and libstdc++ conflicting pthreads code in test program and pthread used by lldb.  Issue has been documented at:
http://llvm.org/bugs/show_bug.cgi?id=21553

Differential Revision: http://reviews.llvm.org/D5838

llvm-svn: 222031

9 years agoyaml2obj, COFF: Correctly calculate SizeOfImage and SizeOfHeaders
David Majnemer [Fri, 14 Nov 2014 19:35:59 +0000 (19:35 +0000)]
yaml2obj, COFF: Correctly calculate SizeOfImage and SizeOfHeaders

SizeOfHeaders must be aligned to the FileAlignment.
SizeOfImage must be at least the SizeOfHeaders aligned to the
SectionAlignment.

llvm-svn: 222030

9 years ago[dwarfdump] Handle relocations in Dwarf accelerator tables
Frederic Riss [Fri, 14 Nov 2014 19:30:08 +0000 (19:30 +0000)]
[dwarfdump] Handle relocations in Dwarf accelerator tables

ELF targets (and maybe COFF) use relocations when referring
to strings in the .debug_str section. Handle that in the
accelerator table dumper. This commit restores the
test/DebugInfo/cross-cu-inlining.ll test to its expected
platform independant form, validating that the fix works
(this test failed on linux boxes).

llvm-svn: 222029

9 years agoRemove some redundant virtual on overridden functions
David Blaikie [Fri, 14 Nov 2014 19:27:22 +0000 (19:27 +0000)]
Remove some redundant virtual on overridden functions

llvm-svn: 222027

9 years ago[PECOFF] Remove dead code
Rui Ueyama [Fri, 14 Nov 2014 19:21:06 +0000 (19:21 +0000)]
[PECOFF] Remove dead code

AddressOfEntryPoint is overridden after we layout all atoms (until then,
we don't know the entry point address for obvious reason.)
I believe this code is leftover from very early version of the
PE/COFF port that we only had an entry function in a test object file.

llvm-svn: 222026

9 years ago[libcxx] Fix memory leak in strstream tests.
Eric Fiselier [Fri, 14 Nov 2014 19:10:43 +0000 (19:10 +0000)]
[libcxx] Fix memory leak in strstream tests.

Summary: The strstream function `str()` sets `freeze(true)`. When `freeze` is true the destructor is not allowed to free any dynamically allocated memory. The memory leak causes ASAN to fail on these tests. To ensure memory is deallocated `strstream.freeze(false)` is called at the end of the tests.

Reviewers: danalbert, mclow.lists

Reviewed By: mclow.lists

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D6261

llvm-svn: 222025

9 years agoRemove some redundant virtual specifiers on overriden functions.
David Blaikie [Fri, 14 Nov 2014 19:09:44 +0000 (19:09 +0000)]
Remove some redundant virtual specifiers on overriden functions.

llvm-svn: 222024

9 years agoRemove redundant virtual on overriden functions.
David Blaikie [Fri, 14 Nov 2014 19:06:36 +0000 (19:06 +0000)]
Remove redundant virtual on overriden functions.

llvm-svn: 222023

9 years agoIR: Make MDString inherit from Metadata
Duncan P. N. Exon Smith [Fri, 14 Nov 2014 18:45:40 +0000 (18:45 +0000)]
IR: Make MDString inherit from Metadata

llvm-svn: 222022

9 years agoSilence inconsistent override warnings.
Eric Christopher [Fri, 14 Nov 2014 18:44:53 +0000 (18:44 +0000)]
Silence inconsistent override warnings.

llvm-svn: 222021

9 years agoR600/SI: Fix verifier error from a branch on IMPLICIT_DEF
Matt Arsenault [Fri, 14 Nov 2014 18:43:41 +0000 (18:43 +0000)]
R600/SI: Fix verifier error from a branch on IMPLICIT_DEF

SIILowerI1Copies wasn't correctly handling this case.

llvm-svn: 222020

9 years agoIR: Take an LLVMContext in Metadata::Metadata()
Duncan P. N. Exon Smith [Fri, 14 Nov 2014 18:42:09 +0000 (18:42 +0000)]
IR: Take an LLVMContext in Metadata::Metadata()

llvm-svn: 222019

9 years agoAdd a blank line, NFC
Duncan P. N. Exon Smith [Fri, 14 Nov 2014 18:42:06 +0000 (18:42 +0000)]
Add a blank line, NFC

llvm-svn: 222018

9 years agoFix unused variable warning without asserts
Matt Arsenault [Fri, 14 Nov 2014 18:40:49 +0000 (18:40 +0000)]
Fix unused variable warning without asserts

llvm-svn: 222017

9 years agoTypo fix.
Yaron Keren [Fri, 14 Nov 2014 18:33:42 +0000 (18:33 +0000)]
Typo fix.

llvm-svn: 222016

9 years agoR600/SI: Match integer min / max instructions
Matt Arsenault [Fri, 14 Nov 2014 18:30:06 +0000 (18:30 +0000)]
R600/SI: Match integer min / max instructions

llvm-svn: 222015

9 years ago[libcxx] Fix vector annotator size increase in `vector::insert(pos, count, value)`
Eric Fiselier [Fri, 14 Nov 2014 18:28:36 +0000 (18:28 +0000)]
[libcxx] Fix vector annotator size increase in `vector::insert(pos, count, value)`

Summary:
The size of the vector is being increased by `__n` during the call to `__move_range` and not by 1.
This fixes a test failure in `containers/sequences/vector/vector.modifiers/insert_iter_size_value.pass.cpp` when using ASAN.

Reviewers: danalbert, kcc, mclow.lists

Reviewed By: mclow.lists

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D6264

llvm-svn: 222014

9 years agoclang-cl: Ignore the new /Zo[-] option (PR21571)
Hans Wennborg [Fri, 14 Nov 2014 18:24:08 +0000 (18:24 +0000)]
clang-cl: Ignore the new /Zo[-] option (PR21571)

Also fix the ignored options test which didn't fail properly on
unknown options.

llvm-svn: 222013

9 years agoR600/SI: Use S_BFE_I64 for 64-bit sext_inreg
Matt Arsenault [Fri, 14 Nov 2014 18:18:16 +0000 (18:18 +0000)]
R600/SI: Use S_BFE_I64 for 64-bit sext_inreg

llvm-svn: 222012

9 years agoclang-format: [Java] Further improve generics formatting.
Daniel Jasper [Fri, 14 Nov 2014 17:30:15 +0000 (17:30 +0000)]
clang-format: [Java] Further improve generics formatting.

llvm-svn: 222011

9 years agoclang-format: Correctly detect multiplication in ctor initializer.
Daniel Jasper [Fri, 14 Nov 2014 17:26:49 +0000 (17:26 +0000)]
clang-format: Correctly detect multiplication in ctor initializer.

Before:
  Constructor() : a(a), area(width *height) {}

After:
  Constructor() : a(a), area(width * height) {}

llvm-svn: 222010

9 years ago[Sema]. Warn when logical expression is a pointer
Fariborz Jahanian [Fri, 14 Nov 2014 17:12:50 +0000 (17:12 +0000)]
[Sema]. Warn when logical expression is a pointer
which evaluates to true. rdar://18716393.
Reviewed by Richard Trieu

llvm-svn: 222009

9 years ago[Reassociate] Canonicalize the operands of all binary operators.
Chad Rosier [Fri, 14 Nov 2014 17:09:19 +0000 (17:09 +0000)]
[Reassociate] Canonicalize the operands of all binary operators.

llvm-svn: 222008

9 years agoTentatively appease the bots.
Frederic Riss [Fri, 14 Nov 2014 17:08:18 +0000 (17:08 +0000)]
Tentatively appease the bots.

If this workaround gets the bots green, then we have to find out
why the -dwarf-accel-tables=Enable option doesn't work as
expected on non-darwin platforms.

llvm-svn: 222007

9 years ago[Reassociate] Canonicalize operands of vector binary operators.
Chad Rosier [Fri, 14 Nov 2014 17:08:15 +0000 (17:08 +0000)]
[Reassociate] Canonicalize operands of vector binary operators.

Prior to this commit fmul and fadd binary operators were being canonicalized for
both scalar and vector versions.  We now canonicalize add, mul, and, or, and xor
vector instructions.

llvm-svn: 222006

9 years ago[Reassociate] Canonicalize constants to RHS operand.
Chad Rosier [Fri, 14 Nov 2014 17:05:59 +0000 (17:05 +0000)]
[Reassociate] Canonicalize constants to RHS operand.

llvm-svn: 222005

9 years agoApply SOCK_CLOEXEC flag to socket API functions in order to avoid handle leakage...
Oleksiy Vyalov [Fri, 14 Nov 2014 16:25:18 +0000 (16:25 +0000)]
Apply SOCK_CLOEXEC flag to socket API functions in order to avoid handle leakage to a forked child process.

http://reviews.llvm.org/D6204

llvm-svn: 222004

9 years agoReapply "[dwarfdump] Add support for dumping accelerator tables."
Frederic Riss [Fri, 14 Nov 2014 16:15:53 +0000 (16:15 +0000)]
Reapply "[dwarfdump] Add support for dumping accelerator tables."

This reverts commit r221842 which was a revert of r221836 and of the
test parts of r221837.

This new version fixes an UB bug pointed out by David (along with
addressing some other review comments), makes some dumping more
resilient to broken input data and forces the accelerator tables
to be dumped in the tests where we use them (this decision is
platform specific otherwise).

llvm-svn: 222003

9 years ago[AVX512] Add 512b masked integer shift by immediate patterns.
Cameron McInally [Fri, 14 Nov 2014 15:43:00 +0000 (15:43 +0000)]
[AVX512] Add 512b masked integer shift by immediate patterns.

llvm-svn: 222002

9 years ago[ASan] Improved stack overflow detection for PowerPC64
Jay Foad [Fri, 14 Nov 2014 15:30:39 +0000 (15:30 +0000)]
[ASan] Improved stack overflow detection for PowerPC64

Summary:
AsanOnSIGSEGV has some heuristics for detecting stack overflow, but
they don't cope with a PowerPC store-with-update instruction which
modifies sp and stores to the modified address in one instruction.

This patch adds some PowerPC-specific code to check for this case.

This fixes the last few cases of the stack-overflow test.

Reviewers: kcc, samsonov, eugenis

Reviewed By: eugenis

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D6253

llvm-svn: 222001

9 years ago[sanitizer] Extend a comment in SlowUnwind.
Evgeniy Stepanov [Fri, 14 Nov 2014 15:13:23 +0000 (15:13 +0000)]
[sanitizer] Extend a comment in SlowUnwind.

This better explains a change in r221520.

llvm-svn: 222000

9 years ago[Reassociate] Improve rank debug information. NFC.
Chad Rosier [Fri, 14 Nov 2014 15:01:38 +0000 (15:01 +0000)]
[Reassociate] Improve rank debug information. NFC.

llvm-svn: 221999

9 years agoSilencing a -Wparentheses warning; NFC.
Aaron Ballman [Fri, 14 Nov 2014 14:40:49 +0000 (14:40 +0000)]
Silencing a -Wparentheses warning; NFC.

llvm-svn: 221998

9 years agoReplace weird whitespace symbols with good old spaces
Timur Iskhodzhanov [Fri, 14 Nov 2014 14:16:34 +0000 (14:16 +0000)]
Replace weird whitespace symbols with good old spaces

llvm-svn: 221997

9 years agoAdd one illustrative class hierarchy as an example in a comment to the VFTableBuilder...
Timur Iskhodzhanov [Fri, 14 Nov 2014 14:10:15 +0000 (14:10 +0000)]
Add one illustrative class hierarchy as an example in a comment to the VFTableBuilder code

llvm-svn: 221996

9 years agoR600/SI: Fix assembly names for exec_hi and exec_lo
Tom Stellard [Fri, 14 Nov 2014 14:08:04 +0000 (14:08 +0000)]
R600/SI: Fix assembly names for exec_hi and exec_lo

llvm-svn: 221995

9 years agoR600/SI: Start implementing an assembler
Tom Stellard [Fri, 14 Nov 2014 14:08:00 +0000 (14:08 +0000)]
R600/SI: Start implementing an assembler

This was done using the Sparc and PowerPC AsmParsers as guides.  So far it
is very simple and only supports sopp instructions.

llvm-svn: 221994

9 years agoOops, the underline was too short for sphinx to like.
Aaron Ballman [Fri, 14 Nov 2014 14:01:55 +0000 (14:01 +0000)]
Oops, the underline was too short for sphinx to like.

llvm-svn: 221993

9 years agoCorrecting some grammar and typos, and adding CERT as a collaborator.
Aaron Ballman [Fri, 14 Nov 2014 13:48:34 +0000 (13:48 +0000)]
Correcting some grammar and typos, and adding CERT as a collaborator.

llvm-svn: 221992

9 years agoComplete support for the SD-6 standing document (based off N4200) with support for...
Aaron Ballman [Fri, 14 Nov 2014 13:44:02 +0000 (13:44 +0000)]
Complete support for the SD-6 standing document (based off N4200) with support for __has_cpp_attribute.

llvm-svn: 221991

9 years agoclang-format: Give clang-format-diff.py a -v option.
Daniel Jasper [Fri, 14 Nov 2014 13:27:28 +0000 (13:27 +0000)]
clang-format: Give clang-format-diff.py a -v option.

With it, it prints the file being formatted. Apparently people are
formatting thousands of files and some progress indication is helpful.

llvm-svn: 221990

9 years agoclang-format: Improve function parameter packing.
Daniel Jasper [Fri, 14 Nov 2014 13:14:45 +0000 (13:14 +0000)]
clang-format: Improve function parameter packing.

Before:
  void SomeLoooooooooooongFunction(
      std::unique_ptr<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>
          aaaaaaaaaaaaaaaaaaaaaaaaaa, int bbbbbbbbbbbbb);

After:
  void SomeLoooooooooooongFunction(
      std::unique_ptr<aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>
          aaaaaaaaaaaaaaaaaaaaaaaaaa,
      int bbbbbbbbbbbbb);

llvm-svn: 221989

9 years ago[PowerPC] Enable vec_perm for long long and double vector types for VSX
Bill Schmidt [Fri, 14 Nov 2014 13:10:13 +0000 (13:10 +0000)]
[PowerPC] Enable vec_perm for long long and double vector types for VSX

VSX makes the "vector long long" and "vector double" types available.
This patch enables the vec_perm interface for these types.  The same
builtin is generated regardless of the specified type, so no
additional work or testing is needed in the back end.  Tests are added
to ensure this builtin is generated by the front end.

llvm-svn: 221988

9 years agoclang-format: Support assignments as conditional operands.
Daniel Jasper [Fri, 14 Nov 2014 13:03:40 +0000 (13:03 +0000)]
clang-format: Support assignments as conditional operands.

Before:
  return a != b
             // comment
             ? a
             : a = a != b
                   // comment
         ? a =
               b : a;
After:
  return a != b
             // comment
             ? a
             : a = a != b
                       // comment
                       ? a = b
                       : a;

llvm-svn: 221987

9 years ago[asan] Revert r221882.
Evgeniy Stepanov [Fri, 14 Nov 2014 13:02:28 +0000 (13:02 +0000)]
[asan] Revert r221882.

This code is not part of ASan runtime (as it may be linked into a different
DSO), and thus can not call non-exported functions.

llvm-svn: 221986

9 years agoclang-format: Improve indentation of comments in expressions.
Daniel Jasper [Fri, 14 Nov 2014 12:31:14 +0000 (12:31 +0000)]
clang-format: Improve indentation of comments in expressions.

Before:
  int i = (a)
              // comment
          + b;
  return aaaa == bbbb
                 // comment
             ? aaaa
             : bbbb;
After:
  int i = (a)
          // comment
          + b;
  return aaaa == bbbb
             // comment
             ? aaaa
             : bbbb;

llvm-svn: 221985

9 years ago[PowerPC] Add VSX builtins for vec_div
Bill Schmidt [Fri, 14 Nov 2014 12:10:51 +0000 (12:10 +0000)]
[PowerPC] Add VSX builtins for vec_div

This patch adds builtin support for xvdivdp and xvdivsp, along with a
new test case.  The builtins are accessed using vec_div in altivec.h.
Builtins are listed (mostly) alphabetically there, so inserting these
changed the line numbers for deprecation warnings tested in
test/Headers/altivec-intrin.c.

There is a companion patch for LLVM.

llvm-svn: 221984

9 years ago[PowerPC] Add VSX builtins for vec_div
Bill Schmidt [Fri, 14 Nov 2014 12:10:40 +0000 (12:10 +0000)]
[PowerPC] Add VSX builtins for vec_div

This patch adds builtin support for xvdivdp and xvdivsp, along with a
test case.  Straightforward stuff.

There's a companion patch for Clang.

llvm-svn: 221983

9 years agoUse nullptr instead of '0' for pointers
Tobias Grosser [Fri, 14 Nov 2014 11:12:31 +0000 (11:12 +0000)]
Use nullptr instead of '0' for pointers

llvm-svn: 221982

9 years agoclang-format: [Java] Fix line break behavior of class declarations.
Daniel Jasper [Fri, 14 Nov 2014 10:15:56 +0000 (10:15 +0000)]
clang-format: [Java] Fix line break behavior of class declarations.

Change breaking preferences:
1. Break before "extends"
2. Break before "implements"
3. Break within the implements list.

llvm-svn: 221981

9 years agoProperly specify the regex used to match register indexes.
Stephane Sezer [Fri, 14 Nov 2014 09:46:21 +0000 (09:46 +0000)]
Properly specify the regex used to match register indexes.

Summary: Something like "core:1" would match and try to be interpreted by the following code otherwise.

Test Plan: Run tests and make sure the ones failing previously now pass.

Reviewers: tfiala, clayborg

Subscribers: lldb-commits

Differential Revision: http://reviews.llvm.org/D6257

llvm-svn: 221980

9 years agoclang-format: [Java] Improve generic return type formatting.
Daniel Jasper [Fri, 14 Nov 2014 09:05:32 +0000 (09:05 +0000)]
clang-format: [Java] Improve generic return type formatting.

Before:
  public<R> ArrayList<R> get() {

After:
  public <R> ArrayList<R> get() {

llvm-svn: 221979

9 years agoclang-format: [Java] No altnerative operator names in Java.
Daniel Jasper [Fri, 14 Nov 2014 09:02:28 +0000 (09:02 +0000)]
clang-format: [Java] No altnerative operator names in Java.

Before:
  someObject.and ();

After:
  someObject.and();

llvm-svn: 221978

9 years agoCalm down build bots
David Majnemer [Fri, 14 Nov 2014 08:38:17 +0000 (08:38 +0000)]
Calm down build bots

r221975 seemed to trigger an ambiguous conversion that only irritated
clang, not gcc.

llvm-svn: 221977

9 years agoclang-format: [Java] Improve formatting of generics.
Daniel Jasper [Fri, 14 Nov 2014 08:22:46 +0000 (08:22 +0000)]
clang-format: [Java] Improve formatting of generics.

Before:
  Function < F, ? extends T > function;

After:
  Function<F, ? extends T> function;

llvm-svn: 221976

9 years agoobj2yaml, yaml2obj: Add support for COFF executables
David Majnemer [Fri, 14 Nov 2014 08:15:42 +0000 (08:15 +0000)]
obj2yaml, yaml2obj: Add support for COFF executables

In support of serializing executables, obj2yaml now records the virtual address
and size of sections.  It also serializes whatever we strictly need from
the PE header, it expects that it can reconstitute everything else via
inference.

yaml2obj can reconstitute a fully linked executable.

In order to get executables correctly serialized/deserialized, other
bugs were fixed as a circumstance.  We now properly respect file and
section alignments.  We also avoid writing out string tables unless they
are strictly necessary.

llvm-svn: 221975

9 years agoFollow-up to r221913. Fix some -Wcast-qual warning reasons.
Simon Atanasyan [Fri, 14 Nov 2014 07:15:43 +0000 (07:15 +0000)]
Follow-up to r221913. Fix some -Wcast-qual warning reasons.

llvm-svn: 221974

9 years agoUse size_type for operator[].
Rafael Espindola [Fri, 14 Nov 2014 07:02:38 +0000 (07:02 +0000)]
Use size_type for operator[].

This matches std::vector and is more efficient as it avoids
truncations.

With this the text segment of opt goes from 19705442 bytes
to 19703930 bytes.

llvm-svn: 221973

9 years ago[ELF] Dynamic section was not aligned properly.
Shankar Easwaran [Fri, 14 Nov 2014 04:57:21 +0000 (04:57 +0000)]
[ELF] Dynamic section was not aligned properly.

The dynamic section was not aligned properly. The alignment of the section is
determined by the word size of the architecture.

llvm-svn: 221972

9 years agoSearchForAddressOfSymbol(): Disable 3 symbols, copysignf, fminf, and fmaxf, on msc17...
NAKAMURA Takumi [Fri, 14 Nov 2014 04:53:55 +0000 (04:53 +0000)]
SearchForAddressOfSymbol(): Disable 3 symbols, copysignf, fminf, and fmaxf, on msc17. *These were added in VS 2013*

llvm-svn: 221971

9 years ago[OPENMP] Temporary fix for processing of global variables in loops.
Alexey Bataev [Fri, 14 Nov 2014 04:08:45 +0000 (04:08 +0000)]
[OPENMP] Temporary fix for processing of global variables in loops.
Currently there is a bug in processing of global variables used as loop control variables in 'omp for/simd' constructs: these globals must be captured as private variables, but currently they are nor. This is a temporary bug fix for this problem until the correct solution is prepared. If a global var used as lcv without explicit mark as a private/linear/lastprivate the error message is emitted.

llvm-svn: 221970

9 years agoSplit string capacity test into two parts and mark one part as UNSUPPORTED when using...
Eric Fiselier [Fri, 14 Nov 2014 03:16:12 +0000 (03:16 +0000)]
Split string capacity test into two parts and mark one part as UNSUPPORTED when using sanitizers.

The test is split such that:
- max_size.pass.cpp tests that string::resize() fails to allocator for max_size
  and max_size -1
- over_max_size.pass.cpp tests that string::resize() throws a length error for
  max_size + 1

The test was split into two because max_size.pass.cpp cannot pass with
sanitizers but over_max_size.pass.cpp can.

llvm-svn: 221969