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Author SHA1 Message Date
Dmitri Gribenko
90d0e7e8be Documentation for llvm-cov: reformat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168922 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 19:10:21 +00:00
Benjamin Kramer
7d4253af16 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
 2012-11-29 19:07:57 +00:00
Dmitri Gribenko
b36be80510 Documentation for llvm-stress: reformat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168920 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 19:05:55 +00:00
Dmitri Gribenko
f03b5e947b Documentation for opt: reformat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168919 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 19:02:50 +00:00
Andrew Trick
ffc9ee4bbf Improve isImpliedCond comment a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168914 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 18:35:13 +00:00
Alexey Samsonov
d6f62c8da5 [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
 2012-11-29 18:27:01 +00:00
Dmitri Gribenko
dff966c9d8 Documentation for llc: reformat. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168912 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 18:16:11 +00:00
Matt Beaumont-Gay
cb5d04a904 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
 2012-11-29 18:15:49 +00:00
Alexey Samsonov
ee548275c6 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
 2012-11-29 18:14:24 +00:00
Shuxin Yang
07149b7797 fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168909 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 18:09:37 +00:00
Dmitri Gribenko
bc5fb06785 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
 2012-11-29 18:03:08 +00:00
Pedro Artigas
6eda081345 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
 2012-11-29 17:47:05 +00:00
Dmitri Gribenko
6a144e40b0 Documentation for tblgen: formatting 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168904 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 17:41:05 +00:00
Dmitri Gribenko
e26b62cb61 Documentation for lit: formatting improvements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168902 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 17:05:34 +00:00
Patrik Hagglund
284c249031 Test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168899 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 16:19:11 +00:00
Dmitri Gribenko
b129b9b617 Documentation: formatting improvements 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168897 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 16:12:13 +00:00
Meador Inge
5c5e230ac7 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
 2012-11-29 15:45:43 +00:00
Meador Inge
c2e331275b 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
 2012-11-29 15:45:39 +00:00
Meador Inge
28d52913ab 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
 2012-11-29 15:45:33 +00:00
Evgeniy Stepanov
2aac385417 [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
 2012-11-29 15:22:06 +00:00
Evgeniy Stepanov
b096a9d02f [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
 2012-11-29 14:44:00 +00:00
Silviu Baranga
35b3df6e31 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
 2012-11-29 14:41:25 +00:00
Benjamin Kramer
5175fd990c 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
 2012-11-29 14:36:26 +00:00
Evgeniy Stepanov
6d988b423a [msan] Basic handling of inline asm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168884 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 14:32:03 +00:00
Justin Holewinski
7f128ea00c 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
 2012-11-29 14:26:28 +00:00
Justin Holewinski
3d200255d5 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
 2012-11-29 14:26:24 +00:00
Evgeniy Stepanov
84af05e1ba [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
 2012-11-29 14:25:47 +00:00
Evgeniy Stepanov
3a10b49781 [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
 2012-11-29 14:05:53 +00:00
Evgeniy Stepanov
af4451b37e [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
 2012-11-29 13:43:05 +00:00
Evgeniy Stepanov
2ea25f2f1c [msan] Fix a few compilation warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168878 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 13:12:03 +00:00
Evgeniy Stepanov
323c3acf51 [msan] Add a test for r168873. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168877 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 13:11:09 +00:00
Evgeniy Stepanov
2e815e7cf4 [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
 2012-11-29 12:49:04 +00:00
Elena Demikhovsky
8564dc67b5 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
 2012-11-29 12:44:59 +00:00
Evgeniy Stepanov
f29865d9bb [msan] Update tests (broken in r168873). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168874 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 12:43:56 +00:00
Evgeniy Stepanov
f62b4e3ee3 [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
 2012-11-29 12:30:18 +00:00
Dmitri Gribenko
6bb2b5d76e Documentation: use correct highlighter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168871 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 12:00:32 +00:00
Evgeniy Stepanov
aa4f97d6ed Initial commit of MemorySanitizer. 
Compiler pass only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168866 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 09:57:20 +00:00
Kostya Serebryany
8b390ffbfd [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
 2012-11-29 09:54:21 +00:00
Kostya Serebryany
5085eb80ab [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
 2012-11-29 08:57:20 +00:00
Preston Briggs
a18d377e73 Cleaned up a couple of comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168854 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-29 04:30:52 +00:00
Jakob Stoklund Olesen
39b5c0c049 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
 2012-11-29 03:34:17 +00:00
Jakob Stoklund Olesen
e26e8a64ab 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
 2012-11-29 02:39:28 +00:00
Shuxin Yang
9b7f6f2de8 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
 2012-11-29 01:47:31 +00:00
Jakob Stoklund Olesen
89bea17af2 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
 2012-11-29 00:26:11 +00:00
Nick Lewycky
7b09b97bdf 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
 2012-11-29 00:01:38 +00:00
Nadav Rotem
90e11dc8ad 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
 2012-11-29 00:00:08 +00:00
Bill Wendling
bf2ad736c7 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
 2012-11-28 23:23:48 +00:00
Dmitri Gribenko
0215368887 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
 2012-11-28 21:40:54 +00:00
Michael Ilseman
3d15a91777 Whoops, fixed bad merge 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168816 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-28 21:21:18 +00:00
Michael Ilseman
9eec659952 Fixed bad test case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168815 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-11-28 21:19:52 +00:00