oota-llvm.git
11 years agoReplace EVT with MVT in isVectorShift. Keeps compiler from generating unneeded checks...
Craig Topper [Wed, 14 Aug 2013 06:21:10 +0000 (06:21 +0000)]
Replace EVT with MVT in isVectorShift. Keeps compiler from generating unneeded checks and handling for extended types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188362 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReplace EVT with MVT in many of the shuffle lowering functions. Keeps compiler from...
Craig Topper [Wed, 14 Aug 2013 05:58:39 +0000 (05:58 +0000)]
Replace EVT with MVT in many of the shuffle lowering functions. Keeps compiler from generating unneeded checks and handling for extended types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188361 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[lit] Fix a relative import issue I missed earlier.
Daniel Dunbar [Wed, 14 Aug 2013 05:07:16 +0000 (05:07 +0000)]
[lit] Fix a relative import issue I missed earlier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188360 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[lit] Avoid StringIO.
Daniel Dunbar [Wed, 14 Aug 2013 05:07:13 +0000 (05:07 +0000)]
[lit] Avoid StringIO.
 - We barely used it, and it is very hard to use in a 2.5-3 compatible
   way because of changing expectations for its input types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188359 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[lit] Fix tests to execute lit with same python as invoked with.
Daniel Dunbar [Wed, 14 Aug 2013 05:07:09 +0000 (05:07 +0000)]
[lit] Fix tests to execute lit with same python as invoked with.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188358 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[lit] Factor ShTest format script command parsing from other processing.
Daniel Dunbar [Wed, 14 Aug 2013 05:07:04 +0000 (05:07 +0000)]
[lit] Factor ShTest format script command parsing from other processing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188357 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[lit] Move executeCommand() into lit.util.
Daniel Dunbar [Wed, 14 Aug 2013 05:07:01 +0000 (05:07 +0000)]
[lit] Move executeCommand() into lit.util.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188356 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[lit] Move formats into their own subpackage.
Daniel Dunbar [Wed, 14 Aug 2013 05:06:55 +0000 (05:06 +0000)]
[lit] Move formats into their own subpackage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188355 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[CMake] add_llvm_library: Specify explicit suffix .imp to import library to avoid...
NAKAMURA Takumi [Wed, 14 Aug 2013 03:34:49 +0000 (03:34 +0000)]
[CMake] add_llvm_library: Specify explicit suffix .imp to import library to avoid a warning between profile_rt-static and profile_rt-shared with lib/profile_rt.lib.

FIXME: It seems MS version of profile_rt.dll doesn't contain any export symbols.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188351 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoLit: Introduce "%/[STpst] into parseIntegratedTestScript(), to normalize substitutions.
NAKAMURA Takumi [Wed, 14 Aug 2013 02:26:31 +0000 (02:26 +0000)]
Lit: Introduce "%/[STpst] into parseIntegratedTestScript(), to normalize substitutions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188348 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[mips] Fix bug in parsing accumulator registers.
Akira Hatanaka [Wed, 14 Aug 2013 01:15:52 +0000 (01:15 +0000)]
[mips] Fix bug in parsing accumulator registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188344 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[mips] Use register operands instead of register classes in DSP instruction
Akira Hatanaka [Wed, 14 Aug 2013 01:02:20 +0000 (01:02 +0000)]
[mips] Use register operands instead of register classes in DSP instruction
definitions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188343 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[mips] Rename DSPRegs.
Akira Hatanaka [Wed, 14 Aug 2013 00:53:38 +0000 (00:53 +0000)]
[mips] Rename DSPRegs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188342 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[mips] Rename HIRegs and LORegs.
Akira Hatanaka [Wed, 14 Aug 2013 00:47:08 +0000 (00:47 +0000)]
[mips] Rename HIRegs and LORegs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188341 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agollvm/test/CodeGen/X86/setcc-sentinals.ll: Relax expressions for x86_64-win32.
NAKAMURA Takumi [Wed, 14 Aug 2013 00:46:00 +0000 (00:46 +0000)]
llvm/test/CodeGen/X86/setcc-sentinals.ll: Relax expressions for x86_64-win32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188340 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix always creating GEP with i32 indices
Matt Arsenault [Wed, 14 Aug 2013 00:24:38 +0000 (00:24 +0000)]
Fix always creating GEP with i32 indices

Use the pointer size if datalayout is available.
Use i64 if it's not, which is consistent with what other
places do when the pointer size is unknown.

The test doesn't really test this in a useful way
since it will be transformed to that later anyway,
but this now tests it for non-zero arrays and when
datalayout isn't available. The cases in
visitGetElementPtrInst should save an extra re-visit to
the newly created GEP since it won't need to cleanup after
itself.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188339 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse type helper functions instead of cast
Matt Arsenault [Wed, 14 Aug 2013 00:24:34 +0000 (00:24 +0000)]
Use type helper functions instead of cast

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188338 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse array initializer, space around operator
Matt Arsenault [Wed, 14 Aug 2013 00:24:05 +0000 (00:24 +0000)]
Use array initializer, space around operator

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188337 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[mips] Properly parse registers that appear in inline-asm constraints.
Akira Hatanaka [Wed, 14 Aug 2013 00:21:25 +0000 (00:21 +0000)]
[mips] Properly parse registers that appear in inline-asm constraints.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188336 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoBBVectorize: Add initial stores to the write set when tracking uses
Hal Finkel [Tue, 13 Aug 2013 23:34:32 +0000 (23:34 +0000)]
BBVectorize: Add initial stores to the write set when tracking uses

When computing the use set of a store, we need to add the store to the write
set prior to iterating over later instructions. Otherwise, if there is a later
aliasing load of that store, that load will not be tagged as a use, and bad
things will happen.

trackUsesOfI still adds later dependent stores of an instruction to that
instruction's write set, but it never sees the original instruction, and so
when tracking uses of a store, the store must be added to the write set by the
caller.

Fixes PR16834.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188329 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove duplicate copy of testcase in r188327.
Nick Lewycky [Tue, 13 Aug 2013 22:55:05 +0000 (22:55 +0000)]
Remove duplicate copy of testcase in r188327.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188328 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r187191, which broke opt -mem2reg on the testcases included in PR16867.
Nick Lewycky [Tue, 13 Aug 2013 22:51:58 +0000 (22:51 +0000)]
Revert r187191, which broke opt -mem2reg on the testcases included in PR16867.
However, opt -O2 doesn't run mem2reg directly so nobody noticed until r188146
when SROA started sending more things directly down the PromoteMemToReg path.

In order to revert r187191, I also revert dependent revisions r187296, r187322
and r188146. Fixes PR16867. Does not add the testcases from that PR, but both
of them should get added for both mem2reg and sroa when this revert gets
unreverted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188327 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[Mips][msa] Value types for MSA support.
Jack Carter [Tue, 13 Aug 2013 22:34:26 +0000 (22:34 +0000)]
[Mips][msa] Value types for MSA support.

Added v8f16 to ValueTypes.h, ValueTypes.cpp, ValueTypes.td,
and CodeGenTarget.cpp

Patch by Daniel Sanders

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188326 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoOptions: explicit handling of --
Hans Wennborg [Tue, 13 Aug 2013 22:23:05 +0000 (22:23 +0000)]
Options: explicit handling of --

Clients of the option parsing library should handle it explicitly
using a KIND_REMAINING_ARGS option.

Clang and lld have been updated in r188316 and r188318, respectively.

Also fix -Wsign-compare warning in the option parsing test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188323 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDAG: Combine (and (setne X, 0), (setne X, -1)) -> (setuge (add X, 1), 2)
Jim Grosbach [Tue, 13 Aug 2013 21:30:58 +0000 (21:30 +0000)]
DAG: Combine (and (setne X, 0), (setne X, -1)) -> (setuge (add X, 1), 2)

A common idiom is to use zero and all-ones as sentinal values and to
check for both in a single conditional ("x != 0 && x != (unsigned)-1").
That generates code, for i32, like:
  testl %edi, %edi
  setne %al
  cmpl  $-1, %edi
  setne %cl
  andb  %al, %cl

With this transform, we generate the simpler:
  incl  %edi
  cmpl  $1, %edi
  seta  %al

Similar improvements for other integer sizes and on other platforms. In
general, combining the two setcc instructions into one is better.

rdar://14689217

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188315 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoOptions: Add new option kind that consumes remaining arguments
Hans Wennborg [Tue, 13 Aug 2013 21:09:50 +0000 (21:09 +0000)]
Options: Add new option kind that consumes remaining arguments

This adds KIND_REMAINING_ARGS, a class of options that consume
all remaining arguments on the command line.

This will be used to support /link in clang-cl, which is used
to forward all remaining arguments to the linker.

It also allows us to remove the hard-coded handling of "--",
allowing clients (clang and lld) to implement that functionality
themselves with this new option class.

Differential Revision: http://llvm-reviews.chandlerc.com/D1387

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188314 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[Mips][msa] Added initial MSA support.
Jack Carter [Tue, 13 Aug 2013 20:54:07 +0000 (20:54 +0000)]
[Mips][msa] Added initial MSA support.

* msa SubtargetFeature
* registers
* ld.[bhwd], and st.[bhwd] instructions

Does not correctly prohibit use of both 32-bit FPU registers and MSA together.

Patch by Daniel Sanders

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188313 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[Mips] Support for unaligned load/store microMips instructions
Jack Carter [Tue, 13 Aug 2013 20:19:16 +0000 (20:19 +0000)]
[Mips] Support for unaligned load/store microMips instructions

This includes instructions lwl, lwr, swl and swr.

Patch by Zoran Jovnovic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188312 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[lit] Support use of setup.py from other directories.
Daniel Dunbar [Tue, 13 Aug 2013 19:08:48 +0000 (19:08 +0000)]
[lit] Support use of setup.py from other directories.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188309 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUpdate makeLibCall to return both the call and the chain associated with the libcall...
Michael Gottesman [Tue, 13 Aug 2013 17:54:56 +0000 (17:54 +0000)]
Update makeLibCall to return both the call and the chain associated with the libcall instead of just the call. This allows us to specify libcalls that return void.

LowerCallTo returns a pair with the return value of the call as the first
element and the chain associated with the return value as the second element. If
we lower a call that has a void return value, LowerCallTo returns an SDValue
with a NULL SDNode and the chain for the call. Thus makeLibCall by just
returning the first value makes it impossible for you to set up the chain so
that the call is not eliminated as dead code.

I also updated all references to makeLibCall to reflect the new return type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188300 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoOutput DW_AT_stmt_list dwarf debug info as DW_FORM_sec_offset instead of DW_FORM_data...
Carlo Kok [Tue, 13 Aug 2013 17:46:57 +0000 (17:46 +0000)]
Output DW_AT_stmt_list dwarf debug info as DW_FORM_sec_offset instead of DW_FORM_data4 as it is a section offset (fixes the coff/dwarf debug info statement locations)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188297 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFor COFF only: dwarf debug info output a label reference as a section relative item...
Carlo Kok [Tue, 13 Aug 2013 17:45:53 +0000 (17:45 +0000)]
For COFF only: dwarf debug info output a label reference as a section relative item only when it's one of dw_from strp, sec_offset, ref_addr or op_call_ref instead of going by size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188296 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agodfsan: fix lint warnings
Dmitry Vyukov [Tue, 13 Aug 2013 16:52:41 +0000 (16:52 +0000)]
dfsan: fix lint warnings

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188293 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoARMv8: SWP and SWPB are obsoleted on ARMv8.
Joey Gouly [Tue, 13 Aug 2013 16:40:47 +0000 (16:40 +0000)]
ARMv8: SWP and SWPB are obsoleted on ARMv8.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188288 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAlso remove logic in LateVectorize
Arnold Schwaighofer [Tue, 13 Aug 2013 16:12:04 +0000 (16:12 +0000)]
Also remove logic in LateVectorize

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188285 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove logic that decides whether to vectorize or not depending on O-levels
Arnold Schwaighofer [Tue, 13 Aug 2013 15:51:25 +0000 (15:51 +0000)]
Remove logic that decides whether to vectorize or not depending on O-levels

I have moved this logic into clang and opt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188281 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix compiler warnings.
Evgeniy Stepanov [Tue, 13 Aug 2013 14:04:20 +0000 (14:04 +0000)]
Fix compiler warnings.

../lib/Target/X86/X86ISelLowering.cpp:9715:7: error: unused variable 'OpVT' [-Werror,-Wunused-variable]
  EVT OpVT = Op0.getValueType();
      ^
../lib/Target/X86/X86ISelLowering.cpp:9763:14: error: unused variable 'NumElems' [-Werror,-Wunused-variable]
    unsigned NumElems = VT.getVectorNumElements();

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188269 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix signed overflow in when computing encodings for ADR instructions
Mihai Popa [Tue, 13 Aug 2013 14:02:13 +0000 (14:02 +0000)]
Fix signed overflow in when computing encodings for ADR instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188268 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAVX-512: Added CMP and BLEND instructions.
Elena Demikhovsky [Tue, 13 Aug 2013 13:24:07 +0000 (13:24 +0000)]
AVX-512: Added CMP and BLEND instructions.
Lowering for SETCC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188265 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch introduces changes to MipsAsmParser register parsing routines. The code...
Vladimir Medic [Tue, 13 Aug 2013 13:07:09 +0000 (13:07 +0000)]
This patch introduces changes to MipsAsmParser register parsing routines. The code now follows more deterministic path and makes the code more efficient and easier to maintain.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188264 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoGCC warns about removing const with a c-style cast.
Benjamin Kramer [Tue, 13 Aug 2013 09:57:55 +0000 (09:57 +0000)]
GCC warns about removing const with a c-style cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188259 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoPass DIEHash::collectAttributes output argument by-pointer instead of by-value.
Evgeniy Stepanov [Tue, 13 Aug 2013 07:57:01 +0000 (07:57 +0000)]
Pass DIEHash::collectAttributes output argument by-pointer instead of by-value.

Before this, collectAttributes() was operating on a local object.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188254 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[-cxx-abi microsoft] Stick zero initialized symbols into the .bss section for COFF
David Majnemer [Tue, 13 Aug 2013 01:23:53 +0000 (01:23 +0000)]
[-cxx-abi microsoft] Stick zero initialized symbols into the .bss section for COFF

Summary:
We need to do two things:

- Initialize BSSSection in MCObjectFileInfo::InitCOFFMCObjectFileInfo
- Teach TargetLoweringObjectFileCOFF::SelectSectionForGlobal what to do
  with it

This fixes PR16861.

Reviewers: rnk

Reviewed By: rnk

CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D1361

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188244 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd the start of DIE hashing for DWARF4 type units and split dwarf
Eric Christopher [Tue, 13 Aug 2013 01:21:55 +0000 (01:21 +0000)]
Add the start of DIE hashing for DWARF4 type units and split dwarf
CUs.

Currently only hashes the name of CUs and the names of any children,
but it's an obvious first step to show the framework. The testcase
should continue to be correct, however, as it's an empty TU.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188243 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix an oversight in isPotentiallyReachable where we wouldn't do any CFG-walking
Nick Lewycky [Tue, 13 Aug 2013 00:03:47 +0000 (00:03 +0000)]
Fix an oversight in isPotentiallyReachable where we wouldn't do any CFG-walking
to find loops if the From and To instructions were in the same block.

Refactor the code a little now that we need to fill to start the CFG-walking
algorithm with more than one starting basic block sometimes.

Special thanks to Andrew Trick for catching an error in my understanding of
natural loops in code review.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188236 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd comment and source to testcase.
Eric Christopher [Mon, 12 Aug 2013 23:59:26 +0000 (23:59 +0000)]
Add comment and source to testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188234 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReflow comment.
Eric Christopher [Mon, 12 Aug 2013 23:59:24 +0000 (23:59 +0000)]
Reflow comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188233 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove empty constructor.
Eric Christopher [Mon, 12 Aug 2013 23:59:18 +0000 (23:59 +0000)]
Remove empty constructor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188232 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSlightly simplify code with helper functions
Matt Arsenault [Mon, 12 Aug 2013 23:15:58 +0000 (23:15 +0000)]
Slightly simplify code with helper functions

e.g. Use Ty->getPointerElementType()
instead of cast<PointerType>(Ty)->getElementType()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188223 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[FileCheck] Fix a bug that cause FileCheck to misidentify check-prefix
Rui Ueyama [Mon, 12 Aug 2013 23:05:59 +0000 (23:05 +0000)]
[FileCheck] Fix a bug that cause FileCheck to misidentify check-prefix

FileCheck should check to make sure the prefix was found, and not a word
containing it (e.g -check-prefix=BASEREL shouldn't match NOBASEREL).

Patch by Ron Ofir.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188221 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[Object/ELF] sh_type is not a bitfield. Fixes RuntimeDyld test failure on ARM.
Michael J. Spencer [Mon, 12 Aug 2013 22:59:14 +0000 (22:59 +0000)]
[Object/ELF] sh_type is not a bitfield. Fixes RuntimeDyld test failure on ARM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188220 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd some braces, and spaces around operators
Matt Arsenault [Mon, 12 Aug 2013 22:56:15 +0000 (22:56 +0000)]
Add some braces, and spaces around operators

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188219 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix a crash with X86 Mach-O and a subtraction expression where both symbols are
Kevin Enderby [Mon, 12 Aug 2013 22:45:44 +0000 (22:45 +0000)]
Fix a crash with X86 Mach-O and a subtraction expression where both symbols are
undefined and produce an error message instead as this is a non-relocatable
expression with X86 Mach-O.

rdar://8920876

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188218 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReapply r188119 now that the bug it exposed is fixed.
Peter Collingbourne [Mon, 12 Aug 2013 22:38:43 +0000 (22:38 +0000)]
Reapply r188119 now that the bug it exposed is fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188217 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDataFlowSanitizer: fix a use-after-free. Spotted by libgmalloc.
Peter Collingbourne [Mon, 12 Aug 2013 22:38:39 +0000 (22:38 +0000)]
DataFlowSanitizer: fix a use-after-free.  Spotted by libgmalloc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188216 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600: Set scheduling preference to Sched::Source
Tom Stellard [Mon, 12 Aug 2013 22:33:21 +0000 (22:33 +0000)]
R600: Set scheduling preference to Sched::Source

R600 doesn't need to do any scheduling on the SelectionDAG now that it
has a very good MachineScheduler.  Also, using the VLIW SelectionDAG
scheduler was having a major impact on compile times. For example with
the phatk kernel here are the LLVM IR to machine code compile times:

With Sched::VLIW

Total Compile Time:                  1.4890 Seconds (User + System)
SelectionDAG Instruction Scheduling: 1.1670 Seconds (User + System)

With Sched::Source

Total Compile Time:                  0.3330 Seconds (User + System)
SelectionDAG Instruction Scheduling: 0.0070 Seconds (User + System)

The code ouput was identical with both schedulers.  This may not be true
for all programs, but it gives me confidence that there won't be much
reduction, if any, in code quality by using Sched::Source.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188215 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd editor C++ filetype declaration no functionality change.
Michael Gottesman [Mon, 12 Aug 2013 21:10:23 +0000 (21:10 +0000)]
Add editor C++ filetype declaration no functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188205 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r188188 and r188200.
Shuxin Yang [Mon, 12 Aug 2013 21:07:31 +0000 (21:07 +0000)]
Revert r188188 and r188200.

In order to appease people (in Apple) who accuse me for committing "huge change" (?) without proper review.

Thank Eric for fixing a compile-warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188204 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFixed SelectionDAGBuilder.h C++ filetype declaration to use the canonical C++ instead...
Michael Gottesman [Mon, 12 Aug 2013 21:02:02 +0000 (21:02 +0000)]
Fixed SelectionDAGBuilder.h C++ filetype declaration to use the canonical C++ instead of c++.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188203 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFixed another place in CodeGen where we had a typo in our editor C++ filetype declara...
Michael Gottesman [Mon, 12 Aug 2013 20:52:06 +0000 (20:52 +0000)]
Fixed another place in CodeGen where we had a typo in our editor C++ filetype declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188202 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[branchfolding] Fix typo in C++ editor declaration.
Michael Gottesman [Mon, 12 Aug 2013 20:49:27 +0000 (20:49 +0000)]
[branchfolding] Fix typo in C++ editor declaration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188201 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix warning about unused member.
Eric Christopher [Mon, 12 Aug 2013 20:27:50 +0000 (20:27 +0000)]
Fix warning about unused member.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188200 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove the addition of the dwo_id as late as possible after everything
Eric Christopher [Mon, 12 Aug 2013 20:27:48 +0000 (20:27 +0000)]
Move the addition of the dwo_id as late as possible after everything
has been finalized except for sizes and offsets. Update test accordingly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188199 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove stack protector names to the same place.
Bill Wendling [Mon, 12 Aug 2013 20:09:37 +0000 (20:09 +0000)]
Move stack protector names to the same place.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188198 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[stack protector] Fixed typo.
Michael Gottesman [Mon, 12 Aug 2013 19:44:09 +0000 (19:44 +0000)]
[stack protector] Fixed typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188195 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[stackprotector] Add in the stackprotector libcall.
Michael Gottesman [Mon, 12 Aug 2013 18:45:38 +0000 (18:45 +0000)]
[stackprotector] Add in the stackprotector libcall.

We support this libcall on all platforms except for OpenBSD (See
lib/Codegen/StackProtector.cpp).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188193 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[stackprotector] Added intrinsic llvm.stackprotectorcheck.
Michael Gottesman [Mon, 12 Aug 2013 18:35:32 +0000 (18:35 +0000)]
[stackprotector] Added intrinsic llvm.stackprotectorcheck.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188191 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMisc enhancements to LTO:
Shuxin Yang [Mon, 12 Aug 2013 18:29:43 +0000 (18:29 +0000)]
Misc enhancements to LTO:

  1. Add some helper classes for partitions. They are designed in a
     way such that the top-level LTO driver will not see much difference
     with or without partitioning.

  2. Introduce work-dir. Now all intermediate files generated during
     LTO phases will be saved under work-dir. User can specify the workdir
     via -lto-workdir=/path/to/dir. By default the work-dir will be
     erased before linker exit. To keep the workdir, do -lto-keep, or -lto-keep=1.

    TODO: Erase the workdir, if the linker exit prematurely.
      We are currently not able to remove directory on signal. The support
      routines simply ignore directory.

  3. Add one new API lto_codegen_get_files_need_remove().
     Linker and LTO plugin will communicate via this API about which files
    (including directories) need to removed before linker exit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188188 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix PR16797 - Support PHINodes with multiple inputs from the same basic block.
Nadav Rotem [Mon, 12 Aug 2013 17:46:44 +0000 (17:46 +0000)]
Fix PR16797 - Support PHINodes with multiple inputs from the same basic block.
Do not generate new vector values for the same entries because we know that the incoming values
from the same block must be identical.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188185 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFixes a bug when iterating on paths
Tareq A. Siraj [Mon, 12 Aug 2013 17:10:49 +0000 (17:10 +0000)]
Fixes a bug when iterating on paths

This fixes the incorrect implementation of iterating on file/directory
paths.

Differential Review: http://llvm-reviews.chandlerc.com/D1277

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188183 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch implements ei and di instructions for mips. Test cases are added.
Vladimir Medic [Mon, 12 Aug 2013 13:07:23 +0000 (13:07 +0000)]
This patch implements ei and di instructions for mips. Test cases are added.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188176 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix FileCheck --check-prefix lines.
Tim Northover [Mon, 12 Aug 2013 12:43:26 +0000 (12:43 +0000)]
Fix FileCheck --check-prefix lines.

Various tests had sprung up over the years which had --check-prefix=ABC on the
RUN line, but "CHECK-ABC:" later on. This happened to work before, but was
strictly incorrect. FileCheck is getting stricter soon though.

Patch by Ron Ofir.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188173 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unused SpecialCaseList constructors
Alexey Samsonov [Mon, 12 Aug 2013 11:50:44 +0000 (11:50 +0000)]
Remove unused SpecialCaseList constructors

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188171 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd SpecialCaseList::createOrDie() factory and use it in sanitizer passes
Alexey Samsonov [Mon, 12 Aug 2013 11:46:09 +0000 (11:46 +0000)]
Add SpecialCaseList::createOrDie() factory and use it in sanitizer passes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188169 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r188164: Stablize MCK_Reg ordering in AsmMatcherEmitter
Richard Sandiford [Mon, 12 Aug 2013 10:57:51 +0000 (10:57 +0000)]
Revert r188164: Stablize MCK_Reg ordering in AsmMatcherEmitter

Apparently caused a failure on Darwin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188166 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove all checking for the various terminfo headers (term.h and
Chandler Carruth [Mon, 12 Aug 2013 10:40:11 +0000 (10:40 +0000)]
Remove all checking for the various terminfo headers (term.h and
curses.h). Finding these headers is next to impossible. For example, on
Debian systems libtinfo-dev provides the terminfo reading library we
want, but *not* term.h. For the header, you have to use libncurses-dev.
And libncursesw-dev provides a *different* term.h in a different
location!

These headers aren't worth it. We want two functions the signatures of
which are clearly spec'ed in sys-v and other documentation. Just declare
them ourselves and call them. This should fix some debian builders and
provide better support for "minimal" debian systems that do want color
autodetection.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188165 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoStablize MCK_Reg ordering in AsmMatcherEmitter
Richard Sandiford [Mon, 12 Aug 2013 10:39:45 +0000 (10:39 +0000)]
Stablize MCK_Reg ordering in AsmMatcherEmitter

clang bootstraps intermittently failed for me due a difference in
the MCK_Reg ordering in ARMGenAsmMatcher.inc.  E.g. in my latest
run the stage 1 and stage 3 versions were the same but the stage 2
one was different (though still functionally correct).  This meant
that the .o comparison failed.

MCK_Regs were assigned by iterating over a std::set< std::set<Record*> >,
and since std::set is sorted lexicographically, the order depended on the
order of the pointer values.  This patch replaces the pointer ordering
with LessRecordByID.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188164 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[SystemZ] Use CLC and IPM to implement memcmp
Richard Sandiford [Mon, 12 Aug 2013 10:28:10 +0000 (10:28 +0000)]
[SystemZ] Use CLC and IPM to implement memcmp

For now this is restricted to fixed-length comparisons with a length
in the range [1, 256], as for memcpy() and MVC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188163 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[SystemZ] Add a definition of the CLC instruction
Richard Sandiford [Mon, 12 Aug 2013 10:17:33 +0000 (10:17 +0000)]
[SystemZ] Add a definition of the CLC instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188162 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[SystemZ] Add a definition of the IPM instruction
Richard Sandiford [Mon, 12 Aug 2013 10:05:58 +0000 (10:05 +0000)]
[SystemZ] Add a definition of the IPM instruction

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188161 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTarget a minimal terminfo library rather than necessarily a full curses
Chandler Carruth [Mon, 12 Aug 2013 09:49:17 +0000 (09:49 +0000)]
Target a minimal terminfo library rather than necessarily a full curses
library for color support detection. This still will use a curses
library if that is all we have available on the system. This change
tries to use a smaller subset of the curses library, specifically the
subset that is on some systems split off into a separate library. For
example, if you install ncurses configured --with-tinfo, a 'libtinfo' is
install that provides just the terminfo querying functionality. That
library is now used instead of curses when it is available.

This happens to fix a build error on systems with that library because
when we tried to link ncurses into the binary, we didn't pull tinfo in
as well. =]

It should also provide an easy path for supporting the NetBSD
libterminfo library, but as I don't have access to a NetBSD system I'm
leaving adding that support to those folks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188160 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAllow compatible extension attributes for tail calls
Tim Northover [Mon, 12 Aug 2013 09:45:46 +0000 (09:45 +0000)]
Allow compatible extension attributes for tail calls

If the tail-callee and caller give the same bits via the same signext/zeroext
attribute then a tail-call should be allowed, since the extension has already
been done by the callee.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188159 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove global construction. const char* is sufficient here.
Benjamin Kramer [Mon, 12 Aug 2013 09:37:29 +0000 (09:37 +0000)]
Remove global construction. const char* is sufficient here.

No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188158 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRelax conditions of test added in r188156 to fix it on Windows
Alexey Samsonov [Mon, 12 Aug 2013 09:04:58 +0000 (09:04 +0000)]
Relax conditions of test added in r188156 to fix it on Windows

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188157 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoIntroduce factory methods for SpecialCaseList
Alexey Samsonov [Mon, 12 Aug 2013 07:49:36 +0000 (07:49 +0000)]
Introduce factory methods for SpecialCaseList

Summary:
Doing work in constructors is bad: this change suggests to
call SpecialCaseList::create(Path, Error) instead of
"new SpecialCaseList(Path)". Currently the latter may crash with
report_fatal_error, which is undesirable - sometimes we want to report
the error to user gracefully - for example, if he provides an incorrect
file as an argument of Clang's -fsanitize-blacklist flag.

Reviewers: pcc

Reviewed By: pcc

CC: llvm-commits
Differential Revision: http://llvm-reviews.chandlerc.com/D1327

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188156 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix big-endian handling of integer-to-vector bitcasts in InstCombine
Richard Sandiford [Mon, 12 Aug 2013 07:26:09 +0000 (07:26 +0000)]
Fix big-endian handling of integer-to-vector bitcasts in InstCombine

These functions used to assume that the lsb of an integer corresponds
to vector element 0, whereas for big-endian it's the other way around:
the msb is in the first element and the lsb is in the last element.

Fixes MultiSource/Benchmarks/mediabench/gsm/toast for z.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188155 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDon't generate floating point stubs for mips16 code if the function
Reed Kotler [Sun, 11 Aug 2013 21:30:27 +0000 (21:30 +0000)]
Don't generate floating point stubs for mips16 code if the function
is actually an instrinsic that will not occur in libc. This list here
is not exhaustive but fixes the one places in test-suite where this occurs.
I have filed a bug against myself to research the full list and add them
to the array of such cases. In the future, actual stub generation will occur
in a later phase and we won't need this code because we will know at that time
during the compilation that in fact no helper function was even needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188149 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAVX-512: Added more tests for BROADCAST
Elena Demikhovsky [Sun, 11 Aug 2013 12:29:16 +0000 (12:29 +0000)]
AVX-512: Added more tests for BROADCAST

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188148 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAVX-512: Added VPERM* instructons and MOV* zmm-to-zmm instructions.
Elena Demikhovsky [Sun, 11 Aug 2013 07:55:09 +0000 (07:55 +0000)]
AVX-512: Added VPERM* instructons and MOV* zmm-to-zmm instructions.
Added a test for shuffles using VPERM.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188147 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRe-instate r187323 which fast-tracks promotable allocas as soon as the
Chandler Carruth [Sun, 11 Aug 2013 02:17:11 +0000 (02:17 +0000)]
Re-instate r187323 which fast-tracks promotable allocas as soon as the
SROA-based analysis has enough information. This should work now that
both mem2reg *and* the SSAUpdater-based AllocaPromoter have been updated
to be able to promote the types of allocas that the SROA analysis
detects.

I've included tests for the AllocaPromoter that were only possible to
write once we fast-tracked promotable allocas without rewriting them.
This includes a test both for r187347 and r188145.

Original commit log for r187323:
"""
Now that mem2reg understands how to cope with a slightly wider set of uses of
an alloca, we can pre-compute promotability while analyzing an alloca for
splitting in SROA. That lets us short-circuit the common case of a bunch of
trivially promotable allocas. This cuts 20% to 30% off the run time of SROA for
typical frontend-generated IR sequneces I'm seeing. It gets the new SROA to
within 20% of ScalarRepl for such code. My current benchmark for these numbers
is PR15412, but it fits the general pattern of IR emitted by Clang so it should
be widely applicable.
"""

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188146 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFinish fixing the SSAUpdater-based AllocaPromoter strategy in SROA to cope with
Chandler Carruth [Sun, 11 Aug 2013 01:56:15 +0000 (01:56 +0000)]
Finish fixing the SSAUpdater-based AllocaPromoter strategy in SROA to cope with
the more general set of patterns that are now handled by mem2reg and that we
can detect quickly while doing SROA's initial analysis. Notably, this allows it
to promote through no-op bitcast and GEP sequences. A core part of the
SSAUpdater approach is the ability to test whether a particular instruction is
part of the set being promoted. Testing this becomes significantly more complex
in the world where the operand to every load and store isn't the alloca itself.
I ended up using the approach of walking up the def-chain until we find the
alloca. I benchmarked this against keeping a set of pointer operands and
keeping a set of the loads and stores we care about, and this one seemed faster
although the difference was very small.

No test case yet because currently the rewriting always "fixes" the inputs to
not require this. The next patch which re-enables early promotion of easy cases
in SROA will include a test case that specifically exercises this aspect of the
alloca promoter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188145 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReformat some bits of AllocaPromoter and simplify the name and type of
Chandler Carruth [Sun, 11 Aug 2013 01:03:18 +0000 (01:03 +0000)]
Reformat some bits of AllocaPromoter and simplify the name and type of
our visiting datastructures in the AllocaPromoter/SSAUpdater path of
SROA. Also shift the order if clears around to be more consistent.

No functionality changed here, this is just a cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188144 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoIncorrect JAL instruction attributes caused the optimizer to make a wrong
Reed Kotler [Sat, 10 Aug 2013 22:18:22 +0000 (22:18 +0000)]
Incorrect JAL instruction attributes caused the optimizer to make a wrong
instruction move. Just affects static relocation. -static works fine now
with mips16 for the most part.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188143 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r188119 "Kill some duplicated code for removing unreachable BBs."
Arnold Schwaighofer [Sat, 10 Aug 2013 20:16:06 +0000 (20:16 +0000)]
Revert r188119 "Kill some duplicated code for removing unreachable BBs."

It is breaking builbots with libgmalloc enabled on Mac OS X.

$ cd llvm ; mkdir release ; cd release
$ ../configure --enable-optimized â€”prefix=$PWD/install
$ make
$ make check
$ Release+Asserts/bin/llvm-lit -v --param use_gmalloc=1 --param \
  gmalloc_path=/usr/lib/libgmalloc.dylib \
  ../test/Instrumentation/DataFlowSanitizer/args-unreachable-bb.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188142 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[Sparc] Enable xword directive in sparcv9.
Venkatraman Govindaraju [Sat, 10 Aug 2013 20:13:20 +0000 (20:13 +0000)]
[Sparc] Enable xword directive in sparcv9.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188141 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTeach ValueTracking about address spaces
Matt Arsenault [Sat, 10 Aug 2013 17:34:08 +0000 (17:34 +0000)]
Teach ValueTracking about address spaces

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188140 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600/SI: FMA is faster than fmul and fadd for f64
Niels Ole Salscheider [Sat, 10 Aug 2013 10:38:54 +0000 (10:38 +0000)]
R600/SI: FMA is faster than fmul and fadd for f64

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188136 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoR600/SI: Add FMA pattern
Niels Ole Salscheider [Sat, 10 Aug 2013 10:38:47 +0000 (10:38 +0000)]
R600/SI: Add FMA pattern

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188135 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCheck for $PWD in llvm::sys::current_path.
Rafael Espindola [Sat, 10 Aug 2013 00:50:57 +0000 (00:50 +0000)]
Check for $PWD in llvm::sys::current_path.

Some users (clang, libTooling) require this. After this patch we can remove
the calls to getenv("PWD") from clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188125 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[objc-arc] Track if we encountered an additive overflow while computing {TopDown...
Michael Gottesman [Fri, 9 Aug 2013 23:22:27 +0000 (23:22 +0000)]
[objc-arc] Track if we encountered an additive overflow while computing {TopDown,BottomUp}PathCounts and do nothing if it occurred.

I fixed the aforementioned problems that came up on some of the linux boxes.
Major thanks to Nick Lewycky for his help debugging!

rdar://14590914

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188122 91177308-0d34-0410-b5e6-96231b3b80d8