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33793 Commits

Author SHA1 Message Date
Devang Patel f3d7c08e34 Revert r88939. 
llvm-svn: 88973
 2009-11-16 21:53:40 +00:00
David Greene a3ce7828b2 Fix an expensive-checks error. 
The Mask and LHSMask may not be of the same size, so don't do the
transformation if they're different.

llvm-svn: 88972
 2009-11-16 21:52:23 +00:00
Jim Grosbach 56ee15c162 Make the pass class name more explicit. 
llvm-svn: 88964
 2009-11-16 21:13:22 +00:00
Jim Grosbach 544b15cbc3 make pass name a bit more clear 
llvm-svn: 88961
 2009-11-16 21:03:58 +00:00
Dan Gohman 93f529d514 Sink a #include <map> to where it's actually needed. 
llvm-svn: 88956
 2009-11-16 20:40:47 +00:00
Dan Gohman 6b3f32e6d7 Fix a typo in a comment. 
llvm-svn: 88953
 2009-11-16 20:35:59 +00:00
Bob Wilson 44724c4122 Fix a comment. 
llvm-svn: 88940
 2009-11-16 19:33:27 +00:00
Devang Patel 2ffd9935a1 Add VISIBILITY_HIDDEN marker. 
llvm-svn: 88939
 2009-11-16 19:20:48 +00:00
Jim Grosbach 9785e5914f Simplify thumb2 jump table adjustments. Remove unnecessary calculation and 
usage of block sizes and offsets.

llvm-svn: 88935
 2009-11-16 18:58:52 +00:00
Jim Grosbach 87b0f0d95c clarify comment 
llvm-svn: 88933
 2009-11-16 18:55:47 +00:00
Bob Wilson 1a8ea98b76 Fix some comments. 
llvm-svn: 88932
 2009-11-16 18:54:08 +00:00
Bob Wilson 3794ec2519 Whitespace: be consistent with pointer syntax. 
llvm-svn: 88929
 2009-11-16 18:08:46 +00:00
Bob Wilson 699f5b9a0a Clean up whitespace. 
llvm-svn: 88927
 2009-11-16 17:56:13 +00:00
Jim Grosbach 9c148c2163 back off for a bit. tracking down weirdness 
llvm-svn: 88919
 2009-11-16 17:17:48 +00:00
Jim Grosbach 47d5e333ff Analyze has to be before checking the condition, obviously. Properly construct an iterator for prior. 
llvm-svn: 88917
 2009-11-16 17:10:56 +00:00
David Greene 25905c8336 Support spill comments. 
Have the asm printer emit a comment if an instruction is a spill or
reload and have the spiller mark copies it introdues so the asm printer
can also annotate those.

llvm-svn: 88911
 2009-11-16 15:12:23 +00:00
Duncan Sands 9649e6085d BuildIntCast takes an additional parameter, isSigned. 
llvm-svn: 88910
 2009-11-16 13:15:28 +00:00
Duncan Sands e5de4a9ad6 CreateIntCast takes an "isSigned" parameter. Pass "true" for it, rather than 
a name.

llvm-svn: 88908
 2009-11-16 12:32:28 +00:00
Evan Cheng 00e87d19f5 Special case FixedStackPseudoSourceValueVal as well. Do we really need to differentiate PseudoSourceValueVal from FixedStackPseudoSourceValueVal at this level? 
llvm-svn: 88902
 2009-11-16 07:10:36 +00:00
Evan Cheng 597f7b6ee3 Check if subreg index is zero. 
llvm-svn: 88899
 2009-11-16 06:31:49 +00:00
Evan Cheng 11bf4493d4 For some targets, a copy can use a register multiple times, e.g. ppc. 
llvm-svn: 88895
 2009-11-16 05:52:06 +00:00
Bruno Cardoso Lopes 5bf807688e Disable ldc1/sdc1 instructions for mips1 targets. 
llvm-svn: 88887
 2009-11-16 04:35:29 +00:00
Bruno Cardoso Lopes 537e409c58 - Fix a small bug while handling target constant pools (one param was missing). 
- Add a smarter constant pool loading, instead of:

lui $2, %hi($CPI1_0)
addiu $2, $2, %lo($CPI1_0)
lwc1 $f0, 0($2)

Generate:

lui $2, %hi($CPI1_0)
lwc1 $f0, %lo($CPI1_0)($2)

llvm-svn: 88886
 2009-11-16 04:33:42 +00:00
Chris Lattner e58c05780e typo spotted by duncan. 
llvm-svn: 88884
 2009-11-16 03:51:42 +00:00
Lang Hames 01f31c0a48 Fixes the bug exposed by Anton's test case in PR 5495: 
Make sure when ProcessImplicitDefs removes a copy which kills its source reg that it
removes the copy from said reg's Kills list.

llvm-svn: 88881
 2009-11-16 02:07:31 +00:00
Lang Hames 968bd90f88 Fix for the original bug in PR5495 - Look at uses as well as defs when determining the PHI-copy insert point. 
- Patch by Andrew Canis!

llvm-svn: 88880
 2009-11-16 02:00:09 +00:00
Jim Grosbach 01c1cae34d Detect need for autoalignment of the stack earlier to catch spills more 
conservatively. eliminateFrameIndex() machinery adjust to handle addr mode
6 (vld1/vst1) used for spills. Fix tests to expect aligned Q-reg spilling

llvm-svn: 88874
 2009-11-15 21:45:34 +00:00
Jim Grosbach 74ae3e5b0e set the def of the VLD1q64 properly 
llvm-svn: 88873
 2009-11-15 21:05:07 +00:00
Chris Lattner 7735878591 teach LVI to infer edge information from switch instructions. 
This allows JT to eliminate a ton of infeasible edges when
handling code like the templates in PatternMatch.h

llvm-svn: 88869
 2009-11-15 20:02:12 +00:00
Chris Lattner b0c0a0df3e fix a logic error that would cause LVI-JT to miscompile 
some conditionals

llvm-svn: 88868
 2009-11-15 20:01:24 +00:00
Chris Lattner 2c708562f5 implement the first stab at caching queries. This isn't correct 
(because the invalidation logic is missing) but LVI isn't enabled
by default anyway.

llvm-svn: 88867
 2009-11-15 20:00:52 +00:00
Chris Lattner af025d3f6e refactor a bunch of code forming the new LazyValueInfoCache 
and LVIQuery classes, no functionality change.

llvm-svn: 88866
 2009-11-15 19:59:49 +00:00
Chris Lattner 9d9812a636 make PRE of loads preserve the alignment of the moved load instruction. 
llvm-svn: 88865
 2009-11-15 19:58:31 +00:00
Chris Lattner 5f037b6439 fix a bug handling 'not x' when x is undef. 
llvm-svn: 88864
 2009-11-15 19:57:43 +00:00
Nick Lewycky ef4ea9a2a9 Add a complex missed optimization opportunity I came across while investigating 
bug 5438.

llvm-svn: 88855
 2009-11-15 17:51:23 +00:00
Edward O'Callaghan e3f3ca70e6 Add PSP OS Target to Triple, Credit to Bruno Cardoso Lopes. 
llvm-svn: 88849
 2009-11-15 10:18:17 +00:00
Nick Lewycky 95148689c9 Revert r88830 and r88831 which appear to have caused a selfhost buildbot some 
grief. I suspect this patch merely exposed a bug else.

llvm-svn: 88841
 2009-11-15 07:47:32 +00:00
Nick Lewycky e29fa4c7a1 Teach instcombine to look for booleans in wider integers when it encounters a 
zext(icmp). It may be able to optimize that away. This fixes one of the cases
in PR5438.

llvm-svn: 88830
 2009-11-15 05:55:17 +00:00
Lang Hames 6da915ac86 Added an assert to the PBQP allocator to catch infinite cost solutions which might otherwise lead to miscompilations. 
llvm-svn: 88829
 2009-11-15 04:39:51 +00:00
Daniel Dunbar 18f845fccd Remove bogus corei7 and atom entries, the family was incorrect. 
llvm-svn: 88818
 2009-11-14 22:04:42 +00:00
Daniel Dunbar 397235f11c Fill out X86 table, although we are missing lots of names for things. We now 
properly detect my Xeon box though.

llvm-svn: 88814
 2009-11-14 21:36:19 +00:00
Daniel Dunbar d90a9a04f3 Report the detected host CPU in --version. 
llvm-svn: 88813
 2009-11-14 21:36:07 +00:00
Jim Grosbach e07594df45 cleanup. 
llvm-svn: 88812
 2009-11-14 21:33:37 +00:00
Jim Grosbach ae84426ed8 Do not merge jump tables this early. Branch folding will do any necessary 
merges, and until then, it's useful to keep the tables separate for ease
of manipulation.

llvm-svn: 88806
 2009-11-14 20:15:03 +00:00
Jim Grosbach 43d2108546 Cleanup flow, and only update the jump table we're analyzing when replacing a destination MBB. 
llvm-svn: 88805
 2009-11-14 20:10:18 +00:00
Jim Grosbach 9c8609ea1c Add function to replace a destination MBB in a single jump table 
llvm-svn: 88804
 2009-11-14 20:09:13 +00:00
Richard Osborne d5f2745965 Add XCore support for arbitrary-sized aggregate returns. 
llvm-svn: 88802
 2009-11-14 19:33:35 +00:00
Anton Korobeynikov fd0c7bae2a Temporary disable the error - it seems to be too conservative. 
llvm-svn: 88800
 2009-11-14 18:01:41 +00:00
Benjamin Kramer 8c19a8f17b Implement DISABLE_INLINE for MSVC. This required changing the position in all 
forward declaration and patching tblgen to emit it right. Patch by Amine Khaldi!

llvm-svn: 88798
 2009-11-14 16:37:18 +00:00
Daniel Dunbar 241d01b590 Add llvm::sys::getHostCPUName, for detecting the LLVM name for the host CPU. 
- This is an initial step towards -march=native support in Clang, and towards
   eliminating host dependencies in the targets. See PR5389.

 - Patch by Roman Divacky!

llvm-svn: 88768
 2009-11-14 10:09:12 +00:00