Mayur Pandey ecdb0ab90f InstCombine: ((A & ~B) ^ (~A & B)) to A ^ B ...

Proof using CVC3 follows:
$ cat t.cvc
A, B : BITVECTOR(32);
QUERY BVXOR((A & ~B),(~A & B)) = BVXOR(A,B);
$ cvc3 t.cvc
Valid.

Differential Revision: http://reviews.llvm.org/D4898


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215974 91177308-0d34-0410-b5e6-96231b3b80d8

2014-08-19 08:19:19 +00:00

..

CMakeLists.txt

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InstCombine.h

Canonicalize header guards into a common format.

2014-08-13 16:26:38 +00:00

InstCombineAddSub.cpp

InstCombine: Fix a potential bug in 0 - (X sdiv C) -> (X sdiv -C)

2014-08-16 09:23:42 +00:00

InstCombineAndOrXor.cpp

InstCombine: ((A & ~B) ^ (~A & B)) to A ^ B

2014-08-19 08:19:19 +00:00

InstCombineCalls.cpp

Canonicalization for @llvm.assume

2014-07-25 21:45:17 +00:00

InstCombineCasts.cpp

Fix comment in InstCombiner::visitAddrSpaceCast.

2014-07-16 01:34:21 +00:00

InstCombineCompares.cpp

This patch implements optimization as mentioned in PR19753: Optimize comparisons with "ashr/lshr exact" of a constanst.

2014-07-22 19:19:36 +00:00

InstCombineLoadStoreAlloca.cpp

AA metadata refactoring (introduce AAMDNodes)

2014-07-24 12:16:19 +00:00

InstCombineMulDivRem.cpp

Remove an InstCombine that transformed patterns like (x * uitofp i1 y) to (select y, x, 0.0) when the multiply has fast math flags set.

2014-08-17 03:51:29 +00:00

InstCombinePHI.cpp

Revert "Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size."

2014-08-18 00:24:38 +00:00

InstCombineSelect.cpp

This removes TODO added in http://reviews.llvm.org/D3658

2014-06-12 14:06:00 +00:00

InstCombineShifts.cpp

fixed typo in comment

2014-07-22 04:57:06 +00:00

InstCombineSimplifyDemanded.cpp

Rename ComputeMaskedBits to computeKnownBits. "Masked" has been

2014-05-14 21:14:37 +00:00

InstCombineVectorOps.cpp

fixed some typos

2014-07-07 22:13:58 +00:00

InstCombineWorklist.h

Canonicalize header guards into a common format.

2014-08-13 16:26:38 +00:00

InstructionCombining.cpp

Revert "Repace SmallPtrSet with SmallPtrSetImpl in function arguments to avoid needing to mention the size."

2014-08-18 00:24:38 +00:00

LLVMBuild.txt

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Makefile

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