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85892 Commits

Author SHA1 Message Date
Ted Kremenek 87f475a329 Return null pointer instead of 'false' (fixes clang warning). 
llvm-svn: 106755
 2010-06-24 16:26:12 +00:00
Dan Gohman b377e2828d Add overloads for getFile and getFileOrSTDIN which take a const char * 
instead of a StringRef, avoiding the need to copy the string in the
common case.

llvm-svn: 106754
 2010-06-24 16:25:50 +00:00
Jakob Stoklund Olesen 3b2b46a700 Be more strict about subreg-to-subreg copies in CoalescerPair. 
Also keep track of the original DstREg before subregister adjustments.

llvm-svn: 106753
 2010-06-24 16:19:28 +00:00
Gabor Greif 7ccec09252 use ArgOperand API 
llvm-svn: 106752
 2010-06-24 16:11:44 +00:00
Jakob Stoklund Olesen 53ccab7d1c Verify that VNI kills are pointing to existing instructions. 
In this case it is essential that the kill is real because the spiller will
decide to omit a spill if it thinks there is a later kill.

llvm-svn: 106751
 2010-06-24 15:56:59 +00:00
Gabor Greif a6d75e2cf7 use (even more, still) ArgOperand API 
llvm-svn: 106750
 2010-06-24 15:51:11 +00:00
Dan Gohman 463f26b4be Eliminate the other half of the BRCOND optimization, and update 
as many tests as possible.

llvm-svn: 106749
 2010-06-24 15:24:03 +00:00
Dan Gohman df6b33e778 Eliminate the first have of the optimization which eliminates BRCOND 
when the condition is constant. This optimization shouldn't be
necessary, because codegen shouldn't be able to find dead control
paths that the IR-level optimizer can't find. And it's undesirable,
because it encourages bugpoint to leave "br i1 false" branches
in its output. And it wasn't updating the CFG.

I updated all the tests I could, but some tests are too reduced
and I wasn't able to meaningfully preserve them.

llvm-svn: 106748
 2010-06-24 15:04:11 +00:00
Gabor Greif 218f5541b2 use ArgOperand API and CallSite for arg range; add necessary casts and perform some cosmetics 
llvm-svn: 106747
 2010-06-24 14:42:01 +00:00
Dan Gohman 600f62b3ba Reapply r106634, now that the bug it exposed is fixed. 
llvm-svn: 106746
 2010-06-24 14:30:44 +00:00
Gabor Greif 5aafdf1e43 use ArgOperand API and CallSite for arg range 
llvm-svn: 106745
 2010-06-24 14:13:36 +00:00
Gabor Greif 0a136c9b53 use (even more) ArgOperand API 
llvm-svn: 106744
 2010-06-24 13:54:33 +00:00
Gabor Greif 590d95ed18 use ArgOperand API 
llvm-svn: 106743
 2010-06-24 13:42:49 +00:00
Zhongxing Xu facf8a8e74 Add check for illegal whence argument of fseek. 
llvm-svn: 106742
 2010-06-24 13:36:41 +00:00
Zhongxing Xu a7e5dd6c3a Should return stateNotNull. 
llvm-svn: 106741
 2010-06-24 13:09:02 +00:00
Gabor Greif 589a0b950a use ArgOperand API 
llvm-svn: 106740
 2010-06-24 12:58:35 +00:00
Zhongxing Xu ae45144d81 Let StreamChecker::CheckNullStream() return a GRState after successful check. 
llvm-svn: 106738
 2010-06-24 12:52:28 +00:00
Gabor Greif 7943017490 use ArgOperand API 
llvm-svn: 106737
 2010-06-24 12:35:13 +00:00
Gabor Greif 75f6943c95 use ArgOperand API, also tighten the type of visitFree to make this work out smoothly 
llvm-svn: 106736
 2010-06-24 12:21:15 +00:00
Gabor Greif 91f9589057 use ArgOperand API; introduce downcasted pointers into scope to facilitate this 
llvm-svn: 106734
 2010-06-24 12:03:56 +00:00
Benjamin Kramer 322ab26387 Don't depend on system headers in clang -cc1 tests. 
The constant was copied from clang's limits.h.

llvm-svn: 106732
 2010-06-24 11:06:12 +00:00
Gabor Greif e2f482ca0b use ArgOperand API 
llvm-svn: 106731
 2010-06-24 10:42:46 +00:00
Gabor Greif 2d958d4db5 use ArgOperand API 
llvm-svn: 106730
 2010-06-24 10:17:17 +00:00
Gabor Greif 5bcaa55761 use callsite to obtain all arguments 
llvm-svn: 106729
 2010-06-24 10:04:07 +00:00
Gabor Greif 42f620cc55 use callsite to obtain all arguments 
llvm-svn: 106728
 2010-06-24 09:56:43 +00:00
Argyrios Kyrtzidis bfcacee9b3 Support a couple more C++ Exprs for PCH. 
llvm-svn: 106727
 2010-06-24 08:57:31 +00:00
Argyrios Kyrtzidis 30d98f3d9e Fix broken de/serialization for a couple of C++ Exprs. 
llvm-svn: 106726
 2010-06-24 08:57:09 +00:00
Chris Lattner 8048662539 Teach the x86 mc assembler that %dr6 = %db6, this implements 
rdar://8013734

llvm-svn: 106725
 2010-06-24 07:29:18 +00:00
Chris Lattner c4e84309c4 more cleanups 
llvm-svn: 106724
 2010-06-24 07:18:14 +00:00
Chris Lattner 056fd06c5f reduce indentation 
llvm-svn: 106723
 2010-06-24 07:16:25 +00:00
Chris Lattner cfed96a410 fix breakage from r98938 by correctly marking msp430 calls as variadic. 
Patch by Ben Ransford!

llvm-svn: 106722
 2010-06-24 06:46:50 +00:00
Dan Gohman c3e291c560 Fix a bug in the code which determines when it's safe to use the 
bt instruction, which was exposed by r106263.

llvm-svn: 106718
 2010-06-24 02:07:59 +00:00
Eric Christopher fa6ce139a9 Add a couple more quick comments. 
llvm-svn: 106717
 2010-06-24 02:07:57 +00:00
Dan Gohman 0695e09b09 Optimize the "bit test" code path for switch lowering in the 
case where the bit mask has exactly one bit.

llvm-svn: 106716
 2010-06-24 02:06:24 +00:00
Eric Christopher 03256c32ff More clang support for darwin tls. Add a __has_feature macro and 
target specific preprocessor define as well.

llvm-svn: 106715
 2010-06-24 02:02:00 +00:00
Jakob Stoklund Olesen dbb58d2974 Revert "Replace a big gob of old coalescer logic with the new CoalescerPair class." 
Whiny buildbots.

llvm-svn: 106710
 2010-06-24 00:52:22 +00:00
Gabor Greif 0f60709f0e use getNumArgOperands 
llvm-svn: 106709
 2010-06-24 00:48:48 +00:00
Sean Callanan 562a5a3904 Improved printing of LLVM IR. We now print 
complete instructions rather than simply their
opcodes.

llvm-svn: 106708
 2010-06-24 00:47:05 +00:00
Gabor Greif 4a39b84a9d use ArgOperand API 
llvm-svn: 106707
 2010-06-24 00:44:01 +00:00
Devang Patel 0dc3c2d37e Use ValueMap instead of DenseMap. 
The ValueMapper used by various cloning utility maps MDNodes also.

llvm-svn: 106706
 2010-06-24 00:33:28 +00:00
Bruno Cardoso Lopes 191a1cd2bb Add AVX CMP{SS,SD}{rr,rm} instructions and encoding testcases 
llvm-svn: 106705
 2010-06-24 00:32:06 +00:00
Sean Callanan 16ad5faeeb Extensive code cleanup of the expression command. 
- Rationalized EvaluateExpression to remove a lot
  of nesting; also added comments to make it easy
  to find what's happening where
- Made ExecuteRawCommandString subcontract out to
  EvaluateExpression
- Minor logging improvements

llvm-svn: 106703
 2010-06-24 00:16:27 +00:00
Bruno Cardoso Lopes 6af02a6f69 Move SSE and AVX shuffle, unpack and compare code to more appropriate places 
llvm-svn: 106702
 2010-06-24 00:15:50 +00:00
Jakob Stoklund Olesen f38e6720cc Replace a big gob of old coalescer logic with the new CoalescerPair class. 
CoalescerPair can determine if a copy can be coalesced, and which register gets
merged away. The old logic in SimpleRegisterCoalescing had evolved into
something a bit too convoluted.

llvm-svn: 106701
 2010-06-24 00:12:39 +00:00
Fariborz Jahanian 9b5528d278 Patch to correctly mangle block helper functions 
when block literal is declared inside a ctor/dtor.
Fixes radr 8096995.

llvm-svn: 106700
 2010-06-24 00:08:06 +00:00
Devang Patel d8dedee96d Use available typedef for " DenseMap<const Value*, Value*>". 
llvm-svn: 106699
 2010-06-24 00:00:42 +00:00
Devang Patel b8f11de105 Cosmetic change. 
Do not use "ValueMap" as a name for a local variable or an argument.

llvm-svn: 106698
 2010-06-23 23:55:51 +00:00
Gabor Greif 1abbde3103 use ArgOperand accessors 
llvm-svn: 106697
 2010-06-23 23:38:07 +00:00
Sean Callanan 1d389c4b02 Added the temporary -i option to expr, which 
switches the expression parsing over to use the
LLVM IR as opposed to Clang ASTs.  Right now,
that functionality only logs.

llvm-svn: 106695
 2010-06-23 23:18:04 +00:00
Bill Wendling f470747a36 We are missing opportunites to use ldm. Take code like this: 
void t(int *cp0, int *cp1, int *dp, int fmd) {
  int c0, c1, d0, d1, d2, d3;
  c0 = (*cp0++ & 0xffff) | ((*cp1++ << 16) & 0xffff0000);
  c1 = (*cp0++ & 0xffff) | ((*cp1++ << 16) & 0xffff0000);
  /* ... */
}

It code gens into something pretty bad. But with this change (analogous to the
X86 back-end), it will use ldm and generate few instructions.

llvm-svn: 106693
 2010-06-23 23:00:16 +00:00