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llvm-project/llvm/lib/Transforms/InstCombine
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David Majnemer 42158f3eea InstCombine: Annotate sub with nuw when we prove it's safe 
We can prove that a 'sub' can be a 'sub nuw' if the left-hand side is
negative and the right-hand side is non-negative.

llvm-svn: 216045
 		2014-08-20 07:17:31 +00:00
..
CMakeLists.txt Tidy up a bit. No functional change. 2013-04-05 21:20:12 +00:00
InstCombine.h InstCombine: Annotate sub with nuw when we prove it's safe 2014-08-20 07:17:31 +00:00
InstCombineAddSub.cpp InstCombine: Annotate sub with nuw when we prove it's safe 2014-08-20 07:17:31 +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 LLVMBuild: Remove trailing newline, which irked me. 2011-12-12 19:48:00 +00:00
Makefile
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