oota-llvm.git
11 years agoFix a memory leak in MachOObjectFile.
Jim Grosbach [Thu, 29 Nov 2012 19:14:11 +0000 (19:14 +0000)]
Fix a memory leak in MachOObjectFile.

MachOObjectFile owns a MachOObj, but never frees it. Both MachOObjectFile
and MachOObj want to own the MemoryBuffer, though, so we have to be careful
and give them each one of their own.

Thanks to Greg Clayton, Eric Christopher and Michael Spencer for helping
figure out what's going wrong here.

rdar://12561773

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168923 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation for llvm-cov: reformat
Dmitri Gribenko [Thu, 29 Nov 2012 19:10:21 +0000 (19:10 +0000)]
Documentation for llvm-cov: reformat

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168922 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFollow up to 168711: It's safe to base this analysis on the found compare, just retur...
Benjamin Kramer [Thu, 29 Nov 2012 19:07:57 +0000 (19:07 +0000)]
Follow up to 168711: It's safe to base this analysis on the found compare, just return the value for the right predicate.

Thanks to Andy for catching this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168921 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation for llvm-stress: reformat
Dmitri Gribenko [Thu, 29 Nov 2012 19:05:55 +0000 (19:05 +0000)]
Documentation for llvm-stress: reformat

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168920 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation for opt: reformat
Dmitri Gribenko [Thu, 29 Nov 2012 19:02:50 +0000 (19:02 +0000)]
Documentation for opt: reformat

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168919 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoImprove isImpliedCond comment a bit.
Andrew Trick [Thu, 29 Nov 2012 18:35:13 +0000 (18:35 +0000)]
Improve isImpliedCond comment a bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168914 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[ASan] Simplify check added in r168861. Bail out from module pass early if the module...
Alexey Samsonov [Thu, 29 Nov 2012 18:27:01 +0000 (18:27 +0000)]
[ASan] Simplify check added in r168861. Bail out from module pass early if the module is blacklisted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168913 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation for llc: reformat.
Dmitri Gribenko [Thu, 29 Nov 2012 18:16:11 +0000 (18:16 +0000)]
Documentation for llc: reformat.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168912 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoApply Takumi's patch to suppress unused-variable warnings in -Asserts builds.
Matt Beaumont-Gay [Thu, 29 Nov 2012 18:15:49 +0000 (18:15 +0000)]
Apply Takumi's patch to suppress unused-variable warnings in -Asserts builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168911 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd options to AddressSanitizer passes to make them configurable by frontend.
Alexey Samsonov [Thu, 29 Nov 2012 18:14:24 +0000 (18:14 +0000)]
Add options to AddressSanitizer passes to make them configurable by frontend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168910 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agofix a typo
Shuxin Yang [Thu, 29 Nov 2012 18:09:37 +0000 (18:09 +0000)]
fix a typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168909 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation for lit: more formatting: use 'option' and 'program' directives.
Dmitri Gribenko [Thu, 29 Nov 2012 18:03:08 +0000 (18:03 +0000)]
Documentation for lit: more formatting: use 'option' and 'program' directives.

This enables cross-referencing and now '--' in option names are no more turned into en dashes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168906 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoOne more step towards making doInitialization and doFinalization useful for
Pedro Artigas [Thu, 29 Nov 2012 17:47:05 +0000 (17:47 +0000)]
One more step towards making doInitialization and doFinalization useful for
start up and clean up module passes, now that ASAN and TSAN are fixed the
tests pass

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168905 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation for tblgen: formatting
Dmitri Gribenko [Thu, 29 Nov 2012 17:41:05 +0000 (17:41 +0000)]
Documentation for tblgen: formatting

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168904 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation for lit: formatting improvements.
Dmitri Gribenko [Thu, 29 Nov 2012 17:05:34 +0000 (17:05 +0000)]
Documentation for lit: formatting improvements.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168902 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTest commit.
Patrik Hagglund [Thu, 29 Nov 2012 16:19:11 +0000 (16:19 +0000)]
Test commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168899 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation: formatting improvements
Dmitri Gribenko [Thu, 29 Nov 2012 16:12:13 +0000 (16:12 +0000)]
Documentation: formatting improvements

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168897 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate fputs optimizations
Meador Inge [Thu, 29 Nov 2012 15:45:43 +0000 (15:45 +0000)]
instcombine: Migrate fputs optimizations

This patch migrates the fputs optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168893 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate fwrite optimizations
Meador Inge [Thu, 29 Nov 2012 15:45:39 +0000 (15:45 +0000)]
instcombine: Migrate fwrite optimizations

This patch migrates the fwrite optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168892 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Migrate fprintf optimizations
Meador Inge [Thu, 29 Nov 2012 15:45:33 +0000 (15:45 +0000)]
instcombine: Migrate fprintf optimizations

This patch migrates the fprintf optimizations from the simplify-libcalls
pass into the instcombine library call simplifier.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168891 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Handle vector manipulation instructions.
Evgeniy Stepanov [Thu, 29 Nov 2012 15:22:06 +0000 (15:22 +0000)]
[msan] Handle vector manipulation instructions.

Handle insertelement, extractelement, shufflevector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168889 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Fix getOriginForNaryOp.
Evgeniy Stepanov [Thu, 29 Nov 2012 14:44:00 +0000 (14:44 +0000)]
[msan] Fix getOriginForNaryOp.

The old version failed on a 3-arg instruction with (-1, 0, 0) shadows (it would
pick the 3rd operand origin irrespective of its shadow).

The new version always picks the origin of the rightmost poisoned operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168887 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdded atomic 64 min/max/umin/umax instrinsics support in the ARM backend.
Silviu Baranga [Thu, 29 Nov 2012 14:41:25 +0000 (14:41 +0000)]
Added atomic 64 min/max/umin/umax instrinsics support in the ARM backend.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168886 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agomisched: Recompute priority queue when DFSResults are updated.
Benjamin Kramer [Thu, 29 Nov 2012 14:36:26 +0000 (14:36 +0000)]
misched: Recompute priority queue when DFSResults are updated.

This was found by MSVC10's STL debug mode on a test from the test suite. Sadly
std::is_heap isn't standard so there is no way to assert this without writing
our own heap verify, which looks like overkill to me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168885 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Basic handling of inline asm.
Evgeniy Stepanov [Thu, 29 Nov 2012 14:32:03 +0000 (14:32 +0000)]
[msan] Basic handling of inline asm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168884 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTeach the legalizer how to handle operands for VSELECT nodes
Justin Holewinski [Thu, 29 Nov 2012 14:26:28 +0000 (14:26 +0000)]
Teach the legalizer how to handle operands for VSELECT nodes

If we need to split the operand of a VSELECT, it must be the mask operand. We
split the entire VSELECT operand with EXTRACT_SUBVECTOR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168883 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAllow targets to prefer TypeSplitVector over TypePromoteInteger when computing the...
Justin Holewinski [Thu, 29 Nov 2012 14:26:24 +0000 (14:26 +0000)]
Allow targets to prefer TypeSplitVector over TypePromoteInteger when computing the legalization method for vectors

For some targets, it is desirable to prefer scalarizing <N x i1> instead of promoting to a larger legal type, such as <N x i32>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168882 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Propagate shadow through (x<0) and (x>=0) comparisons.
Evgeniy Stepanov [Thu, 29 Nov 2012 14:25:47 +0000 (14:25 +0000)]
[msan] Propagate shadow through (x<0) and (x>=0) comparisons.

This is a special case of signed relational comparison where result
only depends on the sign of x.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168881 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Fix shadow & origin store & load alignment.
Evgeniy Stepanov [Thu, 29 Nov 2012 14:05:53 +0000 (14:05 +0000)]
[msan] Fix shadow & origin store & load alignment.

This change ensures that shadow memory accesses have the same alignment
as corresponding app memory accesses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168880 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Optimize getOriginPtr.
Evgeniy Stepanov [Thu, 29 Nov 2012 13:43:05 +0000 (13:43 +0000)]
[msan] Optimize getOriginPtr.

Rewrite getOriginPtr in a way that lets subsequent optimizations factor out
the common part of Shadow and Origin address calculation. Improves perf by
up to 5%.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168879 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Fix a few compilation warnings.
Evgeniy Stepanov [Thu, 29 Nov 2012 13:12:03 +0000 (13:12 +0000)]
[msan] Fix a few compilation warnings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168878 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Add a test for r168873.
Evgeniy Stepanov [Thu, 29 Nov 2012 13:11:09 +0000 (13:11 +0000)]
[msan] Add a test for r168873.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168877 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Transform memcpy and memset to library calls.
Evgeniy Stepanov [Thu, 29 Nov 2012 12:49:04 +0000 (12:49 +0000)]
[msan] Transform memcpy and memset to library calls.

This was already done for memmove, where it is required for correctness.
This change improves performance by avoiding copyingthe same memory twice.
Also, the library functions are given __msan_ prefix to prevent instcombine
pass from converting them back to intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168876 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoI changed hasAVX() to hasFp256() and hasAVX2() to hasInt256() in X86IselLowering...
Elena Demikhovsky [Thu, 29 Nov 2012 12:44:59 +0000 (12:44 +0000)]
I changed hasAVX() to hasFp256() and hasAVX2() to hasInt256() in X86IselLowering.cpp.
The logic was not changed, only names.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168875 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Update tests (broken in r168873).
Evgeniy Stepanov [Thu, 29 Nov 2012 12:43:56 +0000 (12:43 +0000)]
[msan] Update tests (broken in r168873).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168874 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[msan] Make sure that report callbacks do not get merged.
Evgeniy Stepanov [Thu, 29 Nov 2012 12:30:18 +0000 (12:30 +0000)]
[msan] Make sure that report callbacks do not get merged.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168873 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation: use correct highlighter
Dmitri Gribenko [Thu, 29 Nov 2012 12:00:32 +0000 (12:00 +0000)]
Documentation: use correct highlighter

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168871 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInitial commit of MemorySanitizer.
Evgeniy Stepanov [Thu, 29 Nov 2012 09:57:20 +0000 (09:57 +0000)]
Initial commit of MemorySanitizer.

Compiler pass only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168866 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[asan/tsan] initialize the asan/tsan callbacks in runOnFunction as opposed to doIniti...
Kostya Serebryany [Thu, 29 Nov 2012 09:54:21 +0000 (09:54 +0000)]
[asan/tsan] initialize the asan/tsan callbacks in runOnFunction as opposed to doInitialization. This is required to allow the upcoming changes in PassManager behavior

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168864 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[asan] when checking the noreturn attribute on the call, also check it on the callee
Kostya Serebryany [Thu, 29 Nov 2012 08:57:20 +0000 (08:57 +0000)]
[asan] when checking the noreturn attribute on the call, also check it on the callee

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168861 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCleaned up a couple of comments.
Preston Briggs [Thu, 29 Nov 2012 04:30:52 +0000 (04:30 +0000)]
Cleaned up a couple of comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168854 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoUse MCPhysReg for RegisterClassInfo allocation orders.
Jakob Stoklund Olesen [Thu, 29 Nov 2012 03:34:17 +0000 (03:34 +0000)]
Use MCPhysReg for RegisterClassInfo allocation orders.

This saves a bit of memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168852 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd an MCPhysReg typedef to replace naked uint16_t.
Jakob Stoklund Olesen [Thu, 29 Nov 2012 02:39:28 +0000 (02:39 +0000)]
Add an MCPhysReg typedef to replace naked uint16_t.

Use this type for arrays of physical registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168850 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoInstruction::isAssociative() returns true for fmul/fadd if they are tagged "unsafe...
Shuxin Yang [Thu, 29 Nov 2012 01:47:31 +0000 (01:47 +0000)]
Instruction::isAssociative() returns true for fmul/fadd if they are tagged "unsafe" mode.

Approved by: Eli and Michael.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168848 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAvoid rewriting instructions twice.
Jakob Stoklund Olesen [Thu, 29 Nov 2012 00:26:11 +0000 (00:26 +0000)]
Avoid rewriting instructions twice.

This could cause miscompilations in targets where sub-register
composition is not always idempotent (ARM).

<rdar://problem/12758887>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168837 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoIssue a fatal error if the line doesn't have a regular expression.
Nick Lewycky [Thu, 29 Nov 2012 00:01:38 +0000 (00:01 +0000)]
Issue a fatal error if the line doesn't have a regular expression.

Also a couple not-user-visible changes; using empty() instead of size(), and
make inSection() not insert NULL Regex*'s into StringMap when doing a lookup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168833 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhen combining consecutive stores allow loads in between the stores, if the loads...
Nadav Rotem [Thu, 29 Nov 2012 00:00:08 +0000 (00:00 +0000)]
When combining consecutive stores allow loads in between the stores, if the loads do not alias.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168832 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhen we delete a dead basic block, see if any of its successors are dead and
Bill Wendling [Wed, 28 Nov 2012 23:23:48 +0000 (23:23 +0000)]
When we delete a dead basic block, see if any of its successors are dead and
delete those as well.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168829 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDocumentation: improve formatting and remove unneeded empty lines.
Dmitri Gribenko [Wed, 28 Nov 2012 21:40:54 +0000 (21:40 +0000)]
Documentation: improve formatting and remove unneeded empty lines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168817 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoWhoops, fixed bad merge
Michael Ilseman [Wed, 28 Nov 2012 21:21:18 +0000 (21:21 +0000)]
Whoops, fixed bad merge

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168816 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFixed bad test case
Michael Ilseman [Wed, 28 Nov 2012 21:19:52 +0000 (21:19 +0000)]
Fixed bad test case

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168815 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math: IRBuilder test for creating instructions with fast-math flags
Michael Ilseman [Wed, 28 Nov 2012 21:17:34 +0000 (21:17 +0000)]
Fast-math: IRBuilder test for creating instructions with fast-math flags

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168814 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math: Extend IRBuilder to have settable FastMathFlags to create instructions...
Michael Ilseman [Wed, 28 Nov 2012 21:16:19 +0000 (21:16 +0000)]
Fast-math: Extend IRBuilder to have settable FastMathFlags to create instructions with

Also extended IRBuilder's documentation to mention the convenience state for DefaultFPMathTag and FastMathFlags that can be set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168812 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFast-math comments and convenience method
Michael Ilseman [Wed, 28 Nov 2012 21:11:25 +0000 (21:11 +0000)]
Fast-math comments and convenience method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168811 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoDefine signed const-ext immediate operands and their predicates.
Jyotsna Verma [Wed, 28 Nov 2012 20:58:14 +0000 (20:58 +0000)]
Define signed const-ext immediate operands and their predicates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168810 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoARM: Implement CanLowerReturn so large vectors get expanded into sret.
Benjamin Kramer [Wed, 28 Nov 2012 20:55:10 +0000 (20:55 +0000)]
ARM: Implement CanLowerReturn so large vectors get expanded into sret.

Fixes 14337.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168809 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMake the LiveRegMatrix analysis available to targets.
Jakob Stoklund Olesen [Wed, 28 Nov 2012 19:13:06 +0000 (19:13 +0000)]
Make the LiveRegMatrix analysis available to targets.

No functional change, just moved header files.

Targets can inject custom passes between register allocation and
rewriting. This makes it possible to tweak the register allocation
before rewriting, using the full global interference checking available
from LiveRegMatrix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168806 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd backreference matching capabilities to Support/Regex, with
Eli Bendersky [Wed, 28 Nov 2012 19:00:02 +0000 (19:00 +0000)]
Add backreference matching capabilities to Support/Regex, with
appropriate unit tests. This change in itself is not expected to
affect any functionality at this point, but it will serve as a
stepping stone to improve FileCheck's variable matching capabilities.

Luckily, our regex implementation already supports backreferences,
although a bit of hacking is required to enable it. It supports both
Basic Regular Expressions (BREs) and Extended Regular Expressions
(EREs), without supporting backrefs for EREs, following POSIX strictly
in this respect. And EREs is what we actually use (rightly). This is
contrary to many implementations (including the default on Linux) of
POSIX regexes, that do allow backrefs in EREs.

Adding backref support to our EREs is a very simple change in the
regcomp parsing code. I fail to think of significant cases where it
would clash with existing things, and can bring more versatility to
the regexes we write. There's always the danger of a backref in a
specially crafted regex causing exponential matching times, but since
we mainly use them for testing purposes I don't think it's a big
problem. [it can also be placed behind a flag specific to FileCheck,
if needed].

For more details, see:

* http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-November/055840.html
* http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20121126/156878.html

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168802 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMCJIT depends on JIT.
Benjamin Kramer [Wed, 28 Nov 2012 18:35:35 +0000 (18:35 +0000)]
MCJIT depends on JIT.

Unbreaks the CMake shared library build. This is nasty and should be fixed
eventually.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168800 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix initial frame state on powerpc64.
Ulrich Weigand [Wed, 28 Nov 2012 18:21:03 +0000 (18:21 +0000)]
Fix initial frame state on powerpc64.

The createPPCMCAsmInfo routine used PPC::R1 as the initial frame
pointer register, but on PPC64 the 32-bit R1 register does not
have a corresponding DWARF number, causing invalid CIE initial
frame state to be emitted.  Fix by using PPC::X1 instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168799 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix warning. [-Wunused-variable]
Patrik Hägglund [Wed, 28 Nov 2012 14:32:52 +0000 (14:32 +0000)]
Fix warning. [-Wunused-variable]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168792 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd error handling in getInt.
Patrik Hägglund [Wed, 28 Nov 2012 12:13:12 +0000 (12:13 +0000)]
Add error handling in getInt.

Accordingly, update a testcase with a broken datalayout string.

Also, we never parse negative numbers, because '-' is used as a
separator. Therefore, use unsigned as result type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168785 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[asan] Split AddressSanitizer into two passes (FunctionPass, ModulePass), LLVM part...
Kostya Serebryany [Wed, 28 Nov 2012 10:31:36 +0000 (10:31 +0000)]
[asan] Split AddressSanitizer into two passes (FunctionPass, ModulePass), LLVM part. This requires a clang part which will follow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168781 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd back support for reading and parsing 'deplibs'.
Bill Wendling [Wed, 28 Nov 2012 08:41:48 +0000 (08:41 +0000)]
Add back support for reading and parsing 'deplibs'.

This is for backwards compatibility for pre-3.x bc files. The code reads the
code, but does nothing with it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168779 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agomisched: Analysis that partitions the DAG into subtrees.
Andrew Trick [Wed, 28 Nov 2012 05:13:28 +0000 (05:13 +0000)]
misched: Analysis that partitions the DAG into subtrees.

This is a simple, cheap infrastructure for analyzing the shape of a
DAG. It recognizes uniform DAGs that take the shape of bottom-up
subtrees, such as the included matrix multiplication example. This is
useful for heuristics that balance register pressure with ILP. Two
canonical expressions of the heuristic are implemented in scheduling
modes: -misched-ilpmin and -misched-ilpmax.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168773 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agomisched: rename ScheduleDAGILP to ScheduleDFS to prepare for other heuristics.
Andrew Trick [Wed, 28 Nov 2012 05:13:24 +0000 (05:13 +0000)]
misched: rename ScheduleDAGILP to ScheduleDFS to prepare for other heuristics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168772 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agomisched: better alias analysis.
Andrew Trick [Wed, 28 Nov 2012 03:42:49 +0000 (03:42 +0000)]
misched: better alias analysis.

This fixes a hole in the "cheap" alias analysis logic implemented within
the DAG builder itself, regardless of whether proper alias analysis is
enabled. It now handles this pattern produced by LSR+CodeGenPrepare.

%sunkaddr1 = ptrtoint * %obj to i64
%sunkaddr2 = add i64 %sunkaddr1, %lsr.iv
%sunkaddr3 = inttoptr i64 %sunkaddr2 to i32*
store i32 %v, i32* %sunkaddr3

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168768 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agomisched: Debug output fix. Use an always valid iterator.
Andrew Trick [Wed, 28 Nov 2012 03:42:47 +0000 (03:42 +0000)]
misched: Debug output fix. Use an always valid iterator.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168767 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoBBVectorize: Correctly merge SubclassOptionalData
Hal Finkel [Wed, 28 Nov 2012 03:04:10 +0000 (03:04 +0000)]
BBVectorize: Correctly merge SubclassOptionalData

When two instructions are combined into a vector instruction,
the resulting instruction must have the most-conservative flags.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168765 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd brief support for the fission .debug_info.dwo section for
Eric Christopher [Wed, 28 Nov 2012 02:49:38 +0000 (02:49 +0000)]
Add brief support for the fission .debug_info.dwo section for
ELF output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168764 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd comments.
Eric Christopher [Wed, 28 Nov 2012 02:49:34 +0000 (02:49 +0000)]
Add comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168763 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRearrange ordering of sections.
Eric Christopher [Wed, 28 Nov 2012 02:49:32 +0000 (02:49 +0000)]
Rearrange ordering of sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168762 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove and comment accessor routines.
Eric Christopher [Wed, 28 Nov 2012 02:49:28 +0000 (02:49 +0000)]
Move and comment accessor routines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168761 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove all references to TargetInstrInfoImpl.
Jakob Stoklund Olesen [Wed, 28 Nov 2012 02:35:17 +0000 (02:35 +0000)]
Remove all references to TargetInstrInfoImpl.

This class has been merged into its super-class TargetInstrInfo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168760 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove the guts of TargetInstrInfoImpl into the TargetInstrInfo class.
Jakob Stoklund Olesen [Wed, 28 Nov 2012 02:35:13 +0000 (02:35 +0000)]
Move the guts of TargetInstrInfoImpl into the TargetInstrInfo class.

The *Impl class no longer serves a purpose now that the super-class
implementation is in CodeGen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168759 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMove Target{Instr,Register}Info.cpp into lib/CodeGen.
Jakob Stoklund Olesen [Wed, 28 Nov 2012 02:35:09 +0000 (02:35 +0000)]
Move Target{Instr,Register}Info.cpp into lib/CodeGen.

The Target library is not allowed to depend on the large CodeGen
library, but the TRI and TII classes provide abstract interfaces that
require both caller and callee to link to CodeGen.

The implementation files for these classes provide default
implementations of some of the hooks. These methods may need to
reference CodeGen, so they belong in that library.

We already have a number of methods implemented in the
TargetInstrInfoImpl sub-class because of that. I will merge that class
into the parent next.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168758 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMoving SectionMemoryManager to MCJIT to avoid cross dependency between JIT and Runtim...
Andrew Kaylor [Wed, 28 Nov 2012 01:02:06 +0000 (01:02 +0000)]
Moving SectionMemoryManager to MCJIT to avoid cross dependency between JIT and RuntimeDyld

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168755 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSome grammar fixes
Eli Bendersky [Wed, 28 Nov 2012 00:27:25 +0000 (00:27 +0000)]
Some grammar fixes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168752 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRevert r168630, r168631, and r168633 as these are causing nightly test failures.
Chad Rosier [Wed, 28 Nov 2012 00:21:29 +0000 (00:21 +0000)]
Revert r168630, r168631, and r168633 as these are causing nightly test failures.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168751 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agolit: Bump the version to .3.
Daniel Dunbar [Wed, 28 Nov 2012 00:06:11 +0000 (00:06 +0000)]
lit: Bump the version to .3.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168750 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoThis patch makes medium code model the default for 64-bit PowerPC ELF.
Bill Schmidt [Tue, 27 Nov 2012 23:36:26 +0000 (23:36 +0000)]
This patch makes medium code model the default for 64-bit PowerPC ELF.

When the CodeGenInfo is to be created for the PPC64 target machine,
a default code-model selection is converted to CodeModel::Medium
provided we are not targeting the Darwin OS.  Defaults for Darwin
are unaffected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168747 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agodocs: [CMake] Add Xcode to the list of project formats CMake can generate.
NAKAMURA Takumi [Tue, 27 Nov 2012 23:34:28 +0000 (23:34 +0000)]
docs: [CMake] Add Xcode to the list of project formats CMake can generate.

Suggested by Sean McBride, thanks!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168745 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoFix comment formatting in RuntimeDyld.h
Andrew Kaylor [Tue, 27 Nov 2012 22:53:57 +0000 (22:53 +0000)]
Fix comment formatting in RuntimeDyld.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168739 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAttempt to make the comments for dwarf debug look more like
Eric Christopher [Tue, 27 Nov 2012 22:43:45 +0000 (22:43 +0000)]
Attempt to make the comments for dwarf debug look more like
the coding standard would like.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168737 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoReapply section moving, make sure string section is output last.
Eric Christopher [Tue, 27 Nov 2012 22:43:42 +0000 (22:43 +0000)]
Reapply section moving, make sure string section is output last.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168736 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[arm fast-isel] Appease the machine verifier by using the proper register
Chad Rosier [Tue, 27 Nov 2012 22:29:43 +0000 (22:29 +0000)]
[arm fast-isel] Appease the machine verifier by using the proper register
classes.  The vast majority of the remaining issues are due to uses of
invalid registers, which are defined by getRegForValue().  Those will be
a little more challenging to cleanup.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168735 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[arm fast-isel] Appease the machine verifier by using the proper register
Chad Rosier [Tue, 27 Nov 2012 22:12:11 +0000 (22:12 +0000)]
[arm fast-isel] Appease the machine verifier by using the proper register
classes.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168733 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove unused internal linkage variable.
Richard Smith [Tue, 27 Nov 2012 21:51:36 +0000 (21:51 +0000)]
Remove unused internal linkage variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168729 91177308-0d34-0410-b5e6-96231b3b80d8

11 years ago[arm fast-isel] Appease the machine verifier by using the proper register
Chad Rosier [Tue, 27 Nov 2012 21:46:46 +0000 (21:46 +0000)]
[arm fast-isel] Appease the machine verifier by using the proper register
classes.  Also a bit of cleanup.
rdar://12719844

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168728 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoAdd -verify-machineinstrs to these fast-isel test cases.
Chad Rosier [Tue, 27 Nov 2012 20:49:56 +0000 (20:49 +0000)]
Add -verify-machineinstrs to these fast-isel test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168723 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoModifying lli to use the SectionMemoryManager.
Andrew Kaylor [Tue, 27 Nov 2012 19:49:00 +0000 (19:49 +0000)]
Modifying lli to use the SectionMemoryManager.

The functionality of SectionMemoryManager is equivalent to the LLIMCJITMemoryManager being replaced except that it allocates memory as RW and later changes it to RX or R as needed.  The page permissions are set in the call to MCJIT::finalizeObject.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168722 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoMoving SectionMemoryManager into RuntimeDyld and adding unit tests for it.
Andrew Kaylor [Tue, 27 Nov 2012 19:42:02 +0000 (19:42 +0000)]
Moving SectionMemoryManager into RuntimeDyld and adding unit tests for it.

The SectionMemoryManager now supports (and requires) applying section-specific page permissions.  Clients using this memory manager must call either MCJIT::finalizeObject() or SectionMemoryManager::applyPermissions() before executing JITed code.

See r168718 for changes from the previous implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168721 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoModified depends() to recognize that when all levels are "=" and
Preston Briggs [Tue, 27 Nov 2012 19:12:26 +0000 (19:12 +0000)]
Modified depends() to recognize that when all levels are "=" and
there's no possible loo-independent dependence, then there's no
dependence.

Updated all test result appropriately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168719 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoImplementing page permission setting in MCJIT unit test SectionMemoryManager.cpp
Andrew Kaylor [Tue, 27 Nov 2012 19:00:17 +0000 (19:00 +0000)]
Implementing page permission setting in MCJIT unit test SectionMemoryManager.cpp

This commit is primarily here for the revision history.  I'm about to move the SectionMemoryManager into the RuntimeDyld library, but I wanted to check the changes in here so people could see the differences in the updated implementation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168718 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoCSE: allow PerformTrivialCoalescing to check copies across basic block
Manman Ren [Tue, 27 Nov 2012 18:58:41 +0000 (18:58 +0000)]
CSE: allow PerformTrivialCoalescing to check copies across basic block
boundaries.

Given the following case:
BB0
  %vreg1<def> = SUBrr %vreg0, %vreg7
  %vreg2<def> = COPY %vreg7
BB1
  %vreg10<def> = SUBrr %vreg0, %vreg2
We should be able to CSE between SUBrr in BB0 and SUBrr in BB1.

rdar://12462006

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168717 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoinstcombine: Don't replace all uses for instructions with no uses
Meador Inge [Tue, 27 Nov 2012 18:52:49 +0000 (18:52 +0000)]
instcombine: Don't replace all uses for instructions with no uses

My commit to migrate the printf simplifiers from the simplify-libcalls
in r168604 introduced a regression reported by Duncan [1].  The problem
is that in some cases the library call simplifier can return a new value
that has no uses and the new value's type is different than the old value's
type (which is fine because there are no uses).  The specific case that
triggered the bug looked something like:

   declare void @printf(i8*, ...)
   ...
   call void (i8*, ...)* @printf(i8* %fmt)

Which we want to optimized into:

   call i32 @putchar(i32 104)

However, the code was attempting to replace all uses of the printf with
the putchar and the types differ, hence a crash.  This is fixed by *just*
deleting the original instruction when there are no uses.  The old
simplify-libcalls pass is already doing something similar.

[1] http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-November/056338.html

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168716 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoRemove duplicated #includes.
Jakub Staszak [Tue, 27 Nov 2012 18:27:14 +0000 (18:27 +0000)]
Remove duplicated #includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168712 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoSCEV: Even if the latch terminator is foldable we can't deduce the result of an unrel...
Benjamin Kramer [Tue, 27 Nov 2012 18:16:32 +0000 (18:16 +0000)]
SCEV: Even if the latch terminator is foldable we can't deduce the result of an unrelated condition with it.

Fixes PR14432.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168711 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoX86: do not fold load instructions such as [V]MOVS[S|D] to other instructions
Manman Ren [Tue, 27 Nov 2012 18:09:26 +0000 (18:09 +0000)]
X86: do not fold load instructions such as [V]MOVS[S|D] to other instructions
when the destination register is wider than the memory load.

These load instructions load from m32 or m64 and set the upper bits to zero,
while the folded instructions may accept m128.

rdar://12721174

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168710 91177308-0d34-0410-b5e6-96231b3b80d8

11 years agoTest commit only modifying comments
Pedro Artigas [Tue, 27 Nov 2012 17:39:20 +0000 (17:39 +0000)]
Test commit only modifying comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168709 91177308-0d34-0410-b5e6-96231b3b80d8