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Author SHA1 Message Date
Jim Grosbach
62cd0707dd 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
eef0542edc clarify comment 
llvm-svn: 88933
 2009-11-16 18:55:47 +00:00
Bob Wilson
72925c0154 Fix some comments. 
llvm-svn: 88932
 2009-11-16 18:54:08 +00:00
Bob Wilson
eca4a0c2e4 Whitespace: be consistent with pointer syntax. 
llvm-svn: 88929
 2009-11-16 18:08:46 +00:00
Bob Wilson
04825f6c4b Clean up whitespace. 
llvm-svn: 88927
 2009-11-16 17:56:13 +00:00
Jim Grosbach
0ba7bb08d7 tbb opt off by default 
llvm-svn: 88921
 2009-11-16 17:24:45 +00:00
Jim Grosbach
2d074ac39b back off for a bit. tracking down weirdness 
llvm-svn: 88919
 2009-11-16 17:17:48 +00:00
Jim Grosbach
71539bfab0 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
Douglas Gregor
a92bd85bea Make ERROR_IF_USED macro work with GCC <= 4.2, Apple GCCs 
llvm-svn: 88916
 2009-11-16 16:56:48 +00:00
Duncan Sands
d67a1e3fa8 Make sure that if anyone passes a name by accident for the isSigned 
parameter of CreateIntCast then they get an error from the compiler
(or from the linker with a non-gcc compiler).  Another possibility
is to flip the order of the DestTy and isSigned parameters, since you
should then get a compiler warning if you try to use a char* for a
Type*.

llvm-svn: 88913
 2009-11-16 15:28:17 +00:00
David Greene
6469fa6824 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
0503912f83 BuildIntCast takes an additional parameter, isSigned. 
llvm-svn: 88910
 2009-11-16 13:15:28 +00:00
Duncan Sands
03e15012ed 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
9b306a1e32 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
ea46259f53 Check if subreg index is zero. 
llvm-svn: 88899
 2009-11-16 06:31:49 +00:00
Evan Cheng
2fa416debd 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
Evan Cheng
5c06a152a8 xfail for now. It has been failing. 
llvm-svn: 88892
 2009-11-16 05:44:04 +00:00
Bruno Cardoso Lopes
f87fd996e2 Disable ldc1/sdc1 instructions for mips1 targets. 
llvm-svn: 88887
 2009-11-16 04:35:29 +00:00
Bruno Cardoso Lopes
21ca44ba49 - 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
f3d89dee33 typo spotted by duncan. 
llvm-svn: 88884
 2009-11-16 03:51:42 +00:00
Lang Hames
bd7b181f94 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
ce9d705846 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
1aa571da3c 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
8e55bb8826 set the def of the VLD1q64 properly 
llvm-svn: 88873
 2009-11-15 21:05:07 +00:00
Chris Lattner
8680e0af8e disable copying, enforce some invariants. 
llvm-svn: 88870
 2009-11-15 20:03:53 +00:00
Chris Lattner
34aefed024 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
69a52dd583 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
7ea8b3fbf8 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
b9a9336376 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
15cd19dddb 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
59f69de88f fix a bug handling 'not x' when x is undef. 
llvm-svn: 88864
 2009-11-15 19:57:43 +00:00
Chris Lattner
94b8fd17c7 mark getIntrinsicID() 'readonly'. This allows various classof methods 
(like DbgDeclareInst's) to shrink substantially.  It sucks that we have
to pull Compiler.h into such a public header, but at least Compiler.h
doesn't pull anything else in.

llvm-svn: 88863
 2009-11-15 19:56:28 +00:00
Chris Lattner
5bbbe72be5 add attributes for readnone/readonly functions. 
llvm-svn: 88862
 2009-11-15 19:54:31 +00:00
Chris Lattner
89c83b159c add a version of array_pod_sort that takes a custom comparator function. 
llvm-svn: 88861
 2009-11-15 19:52:43 +00:00
Nick Lewycky
b73208f294 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
c672c34d7a Add PSP OS Target to Triple, Credit to Bruno Cardoso Lopes. 
llvm-svn: 88849
 2009-11-15 10:18:17 +00:00
Daniel Dunbar
20a9eda5a2 lit: Factor a new OneCommandPerFileTest out of SyntaxCheckTest. 
- Used for running a single fixed command on a directory of files, with the
   option of deriving a temporary input file from the test source.

llvm-svn: 88844
 2009-11-15 08:10:29 +00:00
Nick Lewycky
f05946faff 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
Daniel Dunbar
b077010494 Remove duplicate implementation of excludes functionality, and support excluding 
dirnames.

Also, add support for the 'unsupported' config property.

llvm-svn: 88838
 2009-11-15 07:22:58 +00:00
Nick Lewycky
62f00c17eb Correct typo. 
llvm-svn: 88831
 2009-11-15 06:16:57 +00:00
Nick Lewycky
14a2122db3 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
4d30650e61 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
a812eb66b3 lit: Add --repeat=N option, for running each test N times. 
- Currently just useful for timing, although it could be extended as one (bad) way to deal with flaky tests.

llvm-svn: 88827
 2009-11-15 01:02:09 +00:00
Daniel Dunbar
40aeab3d33 Remove bogus corei7 and atom entries, the family was incorrect. 
llvm-svn: 88818
 2009-11-14 22:04:42 +00:00
Jim Grosbach
6028068e88 remove xfail 
llvm-svn: 88817
 2009-11-14 21:57:35 +00:00
Daniel Dunbar
27b218d88f 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
57f21a7c25 Report the detected host CPU in --version. 
llvm-svn: 88813
 2009-11-14 21:36:07 +00:00
Jim Grosbach
4882bbfe05 cleanup. 
llvm-svn: 88812
 2009-11-14 21:33:37 +00:00
Jim Grosbach
b81732e2f7 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
4175b4fbf2 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