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Author SHA1 Message Date
Dan Gohman
8022d8e885 Teach fast-isel to avoid loading a value from memory when it's already 
available in a register. This is pretty primitive, but it reduces the
number of instructions in common testcases by 4%.

llvm-svn: 107380
 2010-07-01 03:49:38 +00:00
Dan Gohman
7219aedff5 Enable on-demand fast-isel. 
llvm-svn: 107377
 2010-07-01 02:58:57 +00:00
Dan Gohman
dff0454d78 Fix X86FastISel's add folding to actually work, and not fall back 
to SelectionDAG.

llvm-svn: 107376
 2010-07-01 02:58:21 +00:00
Bruno Cardoso Lopes
c1abe91367 Add AVX SSE3 replicate and convert instructions 
llvm-svn: 107375
 2010-07-01 02:33:39 +00:00
Dan Gohman
243bda093e Teach X86FastISel to fold constant offsets and scaled indices in 
the same address.

llvm-svn: 107373
 2010-07-01 02:27:15 +00:00
Dan Gohman
bac963d556 Reapply r106422, splitting the code for materializing a value out of 
SelectionDAGBuilder::getValue into a helper function, with fixes to
use DenseMaps safely.

llvm-svn: 107371
 2010-07-01 01:59:43 +00:00
Dan Gohman
c944ad6634 Don't use operator[] here, because it's not desirable to insert a default 
value if the search fails.

llvm-svn: 107368
 2010-07-01 01:33:21 +00:00
Bruno Cardoso Lopes
956316a3d7 - Add AVX SSE2 Move doubleword and quadword instructions. 
- Add encode bits for VEX_W
- All 128-bit SSE 1 & SSE2 instructions that are described
  in the .td file now have a AVX encoded form already working.

llvm-svn: 107365
 2010-07-01 01:20:06 +00:00
Mikhail Glushenkov
f8ecb034c6 Test for the -filelist fix. 
llvm-svn: 107363
 2010-07-01 01:00:37 +00:00
Mikhail Glushenkov
c972650d62 Make -filelist work with -linker=c++. 
llvm-svn: 107362
 2010-07-01 01:00:32 +00:00
Mikhail Glushenkov
70f53a408e 80-col violation. 
llvm-svn: 107361
 2010-07-01 01:00:27 +00:00
Mikhail Glushenkov
0163e1e289 Trailing whitespace. 
llvm-svn: 107360
 2010-07-01 01:00:22 +00:00
Jakob Stoklund Olesen
860a99c62e Add memory operand folding support to InlineSpiller. 
llvm-svn: 107355
 2010-07-01 00:13:04 +00:00
Jakob Stoklund Olesen
1cd54efaf9 Add support for rematerialization to InlineSpiller. 
llvm-svn: 107351
 2010-06-30 23:03:52 +00:00
Bill Wendling
25487cf8bf Use the catch-all selectors we already found when converting them to use the 
correct catch-all value. This saves having to iterate through all of the
selectors in the program again.

llvm-svn: 107345
 2010-06-30 22:49:53 +00:00
Jim Grosbach
f5a790e251 lowerinvoke needs to handle aggregate function args like sjlj eh does. 
llvm-svn: 107335
 2010-06-30 22:22:59 +00:00
Daniel Dunbar
ca0b5f4232 build: Update install-clang target. 
llvm-svn: 107334
 2010-06-30 22:22:46 +00:00
Jim Grosbach
1c7cbd2c69 Handle array and vector typed parameters in sjljehprepare like we do 
structs. rdar://8145832

llvm-svn: 107332
 2010-06-30 22:20:38 +00:00
Devang Patel
7962349c46 Remove all debug info related named mdnodes. 
llvm-svn: 107323
 2010-06-30 21:29:00 +00:00
Jim Grosbach
0c6a6908fd grammar tweak in comment. 
llvm-svn: 107321
 2010-06-30 21:27:56 +00:00
Dan Gohman
547c92af20 In ScalarEvolution::forgetValue, eliminate any SCEVUnknown 
entries associated with the value being erased in the
folding set map.  These entries used to be harmless, because
a SCEVUnknown doesn't store any information about its Value*,
so having a new Value allocated at the old Value's address
wasn't a problem. But now that ScalarEvolution is storing more
information about values, this is no longer safe.

llvm-svn: 107316
 2010-06-30 20:21:12 +00:00
Bruno Cardoso Lopes
7ae1ebd3b4 Move MOVD/MODQ code around, creating sections for each of them 
llvm-svn: 107308
 2010-06-30 18:49:10 +00:00
Jakob Stoklund Olesen
0abff9e23e Some fool committed without testing (or even building) first. 
llvm-svn: 107307
 2010-06-30 18:41:20 +00:00
Bruno Cardoso Lopes
f8855c22be Add AVX SSE2 mask creation and conditional store instructions 
llvm-svn: 107306
 2010-06-30 18:38:10 +00:00
Jakob Stoklund Olesen
38c76cc88a Remember to track spill slot uses in VirtRegMap when inserting loads and stores. 
LocalRewriter::runOnMachineFunction uses this information to mark dead spill
slots.

This means that InlineSpiller now also works for functions that spill.

llvm-svn: 107302
 2010-06-30 18:19:08 +00:00
Bruno Cardoso Lopes
6c468039a2 Fix a bug introduced in r107211 where instructions with memory operands are declared as commutable 
llvm-svn: 107300
 2010-06-30 18:06:01 +00:00
Dan Gohman
683a9e2498 Revert the part of r107257 which introduced new logic for using 
nsw and nuw flags from IR Instructions. On further consideration,
this isn't valid.

llvm-svn: 107298
 2010-06-30 17:27:11 +00:00
Duncan Sands
b79597c3e9 Rename NextPowerOfTwo to RoundUpToPowerOfTwo. 
llvm-svn: 107297
 2010-06-30 17:24:28 +00:00
Duncan Sands
78ad152ca0 Remove an unused variable. The call to getRoot has side-effects, so 
this could break something (but doesn't seem to).

llvm-svn: 107295
 2010-06-30 17:22:28 +00:00
Bruno Cardoso Lopes
3c02702830 Add AVX SSE2 packed integer extract/insert instructions 
llvm-svn: 107293
 2010-06-30 17:03:03 +00:00
Duncan Sands
8ffa4b43c8 Clarify that the NextPowerOfTwo template is idempotent. 
llvm-svn: 107286
 2010-06-30 15:29:46 +00:00
Duncan Sands
de6d3111d0 Rather than giving SmallPtrSetImpl a member field SmallArray which is magically 
replaced by a bigger array in SmallPtrSet (by overridding it), instead just use a
pointer to the start of the storage, and have SmallPtrSet pass in the value to use.
This has the disadvantage that SmallPtrSet becomes bigger by one pointer.  It has
the advantage that it no longer uses tricky C++ rules, and is clearly correct while
I'm not sure the previous version was.  This was inspired by g++-4.6 pointing out
that SmallPtrSetImpl was writing off the end of SmallArray, which it was.  Since
SmallArray is replaced with a bigger array in SmallPtrSet, the write was still to
valid memory.  But it was writing off the end of the declared array type - sounds
kind of dubious to me, like it sounded dubious to g++-4.6.  Maybe g++-4.6 is wrong
and this construct is perfectly valid and correctly compiled by all compilers, but
I think it is better to avoid the whole can of worms by avoiding this construct.

llvm-svn: 107285
 2010-06-30 15:02:37 +00:00
Gabor Greif
551de3f490 use ArgOperand API 
llvm-svn: 107282
 2010-06-30 13:45:50 +00:00
Gabor Greif
fdaf0459be use ArgOperand API 
llvm-svn: 107280
 2010-06-30 13:03:37 +00:00
Gabor Greif
398d23a2de use ArgOperand API 
llvm-svn: 107279
 2010-06-30 12:55:46 +00:00
Gabor Greif
016e24ce4c use ArgOperand API 
llvm-svn: 107278
 2010-06-30 12:42:43 +00:00
Gabor Greif
c0b5e221cb use ArgOperand API 
llvm-svn: 107277
 2010-06-30 12:40:35 +00:00
Gabor Greif
bc12c24662 use CallSite::arg_end instead of CallInst::op_end 
llvm-svn: 107276
 2010-06-30 12:39:23 +00:00
Gabor Greif
e315b7db00 use getArgOperand (corrected by CallInst::ArgOffset) instead of getOperand 
llvm-svn: 107275
 2010-06-30 12:38:26 +00:00
Gabor Greif
ed5dd5198a use getArgOperand (corrected by CallInst::ArgOffset) instead of getOperand 
llvm-svn: 107273
 2010-06-30 09:19:23 +00:00
Gabor Greif
8719d680ef use getNumArgOperands instead of getNumOperands 
llvm-svn: 107272
 2010-06-30 09:17:53 +00:00
Gabor Greif
b6e59f4a82 use getArgOperand instead of getOperand 
llvm-svn: 107271
 2010-06-30 09:16:16 +00:00
Gabor Greif
abeab11279 use getArgOperand instead of getOperand 
llvm-svn: 107270
 2010-06-30 09:15:28 +00:00
Gabor Greif
a77e545e60 use getArgOperand instead of getOperand 
llvm-svn: 107269
 2010-06-30 09:14:26 +00:00
Dan Gohman
6e7eecf743 Add a testcase for scev-aa's new capability. 
llvm-svn: 107258
 2010-06-30 07:17:47 +00:00
Dan Gohman
b7fc09a156 Improve ScalarEvolution's nsw and nuw preservation. 
llvm-svn: 107257
 2010-06-30 07:16:37 +00:00
Dan Gohman
7446416058 When computing a new ConservativeResult, intersect it with 
the old one instead of replacing it, to be more precise.

llvm-svn: 107256
 2010-06-30 06:58:35 +00:00
Dan Gohman
2112bbf184 Rework scev-aa's basic computation so that it doesn't depend 
on ScalarEvolution successfully folding and preserving
range information for both A-B and B-A. Now, if it gets
either one, it's sufficient.

llvm-svn: 107249
 2010-06-30 06:12:16 +00:00
Dan Gohman
01304ebfad Simplify. 
llvm-svn: 107248
 2010-06-30 06:09:46 +00:00
Bruno Cardoso Lopes
39594cc5d0 Add AVX SSE2 integer unpack instructions 
llvm-svn: 107246
 2010-06-30 04:06:39 +00:00