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19eda5312a
llvm/lib/Transforms/InstCombine
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Jingyue Wu 19eda5312a [ValueTracking] refactor: extract method haveNoCommonBitsSet 
Summary:
Extract method haveNoCommonBitsSet so that we don't have to duplicate this logic in
InstCombine and SeparateConstOffsetFromGEP.

This patch also makes SeparateConstOffsetFromGEP more precise by passing
DominatorTree to computeKnownBits.

Test Plan: value-tracking-domtree.ll that tests ValueTracking indeed leverages dominating conditions

Reviewers: broune, meheff, majnemer

Reviewed By: majnemer

Subscribers: jholewinski, llvm-commits

Differential Revision: http://reviews.llvm.org/D9734

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237407 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-14 23:53:19 +00:00
..
CMakeLists.txt
InstCombineAddSub.cpp [ValueTracking] refactor: extract method haveNoCommonBitsSet 2015-05-14 23:53:19 +00:00
InstCombineAndOrXor.cpp
InstCombineCalls.cpp [RewriteStatepointsForGC] Fix a bug on creating gc_relocate for pointer to vector of pointers 2015-05-11 18:49:34 +00:00
InstCombineCasts.cpp Convert PHI getIncomingValue() to foreach over incoming_values(). NFC. 2015-05-12 20:05:31 +00:00
InstCombineCompares.cpp Subtraction is not commutative. Fixes PR23212! 2015-04-13 19:17:37 +00:00
InstCombineInternal.h Rip min/max pattern matching out of InstCombine and into 2015-05-11 14:42:20 +00:00
InstCombineLoadStoreAlloca.cpp Convert PHI getIncomingValue() to foreach over incoming_values(). NFC. 2015-05-12 20:05:31 +00:00
InstCombineMulDivRem.cpp [InstCombine] (mul nsw 1, INT_MIN) != (shl nsw 1, 31) 2015-04-18 04:41:30 +00:00
InstCombinePHI.cpp Convert PHI getIncomingValue() to foreach over incoming_values(). NFC. 2015-05-12 20:05:31 +00:00
InstCombineSelect.cpp Rip min/max pattern matching out of InstCombine and into 2015-05-11 14:42:20 +00:00
InstCombineShifts.cpp Convert PHI getIncomingValue() to foreach over incoming_values(). NFC. 2015-05-12 20:05:31 +00:00
InstCombineSimplifyDemanded.cpp InstCombineSimplifyDemanded: Remove nsw/nuw flags when optimizing demanded bits 2015-04-30 22:05:30 +00:00
InstCombineVectorOps.cpp [InstCombine] Use DataLayout to determine vector element width 2015-04-03 20:18:40 +00:00
InstructionCombining.cpp [opaque pointer type] Track explicit GEP pointee type through in-memory IR 2015-05-05 18:03:48 +00:00
LLVMBuild.txt
Makefile