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88 Commits

Author SHA1 Message Date
Chris Lattner 72d283c826 fix PR8063, a crash in globalopt in the malloc analysis code. 
llvm-svn: 113109
 2010-09-05 17:20:46 +00:00
Chris Lattner 9f7500f57b move gep decomposition out of ValueTracking into BasicAA. The form of 
decomposition that it is doing is very basicaa specific and is only used
by basicaa.

Now with less tree breakingness.

llvm-svn: 111433
 2010-08-18 22:07:29 +00:00
Daniel Dunbar fbeeb130d8 Revert r111375, "move gep decomposition out of ValueTracking into BasicAA. The 
form of", it doesn't pass tests.

llvm-svn: 111385
 2010-08-18 18:43:08 +00:00
Chris Lattner 54fe883203 move gep decomposition out of ValueTracking into BasicAA. The form of 
decomposition that it is doing is very basicaa specific and is only used
by basicaa.

llvm-svn: 111375
 2010-08-18 18:22:17 +00:00
Chris Lattner a33edcb56c fix PR7589: In brief: 
gep P, (zext x) != gep P, (sext x)

DecomposeGEPExpression was getting this wrong, confusing
basicaa.

llvm-svn: 111352
 2010-08-18 04:28:19 +00:00
Gabor Greif 1abbde3103 use ArgOperand accessors 
llvm-svn: 106697
 2010-06-23 23:38:07 +00:00
Eric Christopher 7258dcd77f Revert 101465, it broke internal OpenGL testing. 
Probably the best way to know that all getOperand() calls have been handled
is to replace that API instead of updating.

llvm-svn: 101579
 2010-04-16 23:37:20 +00:00
Gabor Greif f375520f7b reapply r101434 
with a fix for self-hosting

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101465
 2010-04-16 15:33:14 +00:00
Gabor Greif 403e9694f9 back out r101423 and r101397, they break llvm-gcc self-host on darwin10 
llvm-svn: 101434
 2010-04-16 01:16:20 +00:00
Gabor Greif 33ae80bff7 reapply r101364, which has been backed out in r101368 
with a fix

rotate CallInst operands, i.e. move callee to the back
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101397
 2010-04-15 20:51:13 +00:00
Gabor Greif 9fd00c7d25 back out r101364, as it trips the linux nightlybot on some clang C++ tests 
llvm-svn: 101368
 2010-04-15 12:46:56 +00:00
Gabor Greif aafd209632 rotate CallInst operands, i.e. move callee to the back 
of the operand array

the motivation for this patch are laid out in my mail to llvm-commits:
more efficient access to operands and callee, faster callgraph-construction,
smaller compiler binary

llvm-svn: 101364
 2010-04-15 10:49:53 +00:00
Dan Gohman 0b4df0425f Constify GetConstantStringInfo. 
llvm-svn: 101298
 2010-04-14 22:20:45 +00:00
Evan Cheng 2a65429671 Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions. 
llvm-svn: 98416
 2010-03-13 02:20:29 +00:00
Eric Christopher 4899cbc77d Move GetStringLength and helper from SimplifyLibCalls to ValueTracking. 
No functionality change.

llvm-svn: 97793
 2010-03-05 06:58:57 +00:00
Duncan Sands 19d0b47b1f There are two ways of checking for a given type, for example isa<PointerType>(T) 
and T->isPointerTy().  Convert most instances of the first form to the second form.
Requested by Chris.

llvm-svn: 96344
 2010-02-16 11:11:14 +00:00
Duncan Sands 9dff9bec31 Uniformize the names of type predicates: rather than having isFloatTy and 
isInteger, we now have isFloatTy and isIntegerTy.  Requested by Chris!

llvm-svn: 96223
 2010-02-15 16:12:20 +00:00
Duncan Sands 26cd6bd0b0 It looks like the changes to the SRem logic of SimplifyDemandedUseBits 
(fix for PR6165) are needed here too.

llvm-svn: 94801
 2010-01-29 06:18:37 +00:00
Chris Lattner 35d3b9dcd0 teach ComputeNumSignBits to look through PHI nodes. 
llvm-svn: 92964
 2010-01-07 23:44:37 +00:00
Benjamin Kramer d2564e3afb Move remaining stuff to the isInteger predicate. 
llvm-svn: 92771
 2010-01-05 21:05:54 +00:00
Chris Lattner a3aef788ec Fix GetConstantStringInfo to not look into MDString (it works on 
real data, not metadata) and fix DbgInfoPrinter to not abuse
GetConstantStringInfo.

llvm-svn: 91444
 2009-12-15 19:34:20 +00:00
Mon P Wang bb3eac9e7a Fixed an assertion failure for tracking sext of a vector of integers 
llvm-svn: 90290
 2009-12-02 04:59:58 +00:00
Chris Lattner c7bc66dfc6 implement a FIXME: limit the depth that DecomposeGEPExpression goes the same 
way that getUnderlyingObject does it. 

This fixes the 'DecomposeGEPExpression and getUnderlyingObject disagree!' 
assertion on sqlite3.

llvm-svn: 90038
 2009-11-28 15:12:41 +00:00
Chris Lattner 8e62d0a93d limit the recursion depth of GetLinearExpression. This 
fixes a crash analyzing consumer-lame, which had an "%X = add %X, 1"
in unreachable code.

llvm-svn: 90000
 2009-11-27 08:32:52 +00:00
Chris Lattner 1bf7ff704a Implement PR1143 (at -m64) by making basicaa look through extensions. We 
previously already handled it at -m32 because there were no i32->i64 
extensions for addressing.

llvm-svn: 89959
 2009-11-26 18:53:33 +00:00