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llvm-project/llvm/lib/Transforms/InstCombine
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Matthew Simpson b6915fbfa2 [InstCombine] Simplify selects that test cmpxchg instructions 
If a select instruction tests the returned flag of a cmpxchg instruction and
selects between the returned value of the cmpxchg instruction and its compare
operand, the result of the select will always be equal to its false value.

Differential Revision: https://reviews.llvm.org/D39383

llvm-svn: 316994
 		2017-10-31 12:34:02 +00:00
..
CMakeLists.txt [CMake] NFC. Updating CMake dependency specifications 2016-11-17 04:36:50 +00:00
InstCombineAddSub.cpp [Transforms] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-10-24 21:24:53 +00:00
InstCombineAndOrXor.cpp [ValueTracking, InstCombine] canonicalize fcmp ord/uno with non-NAN ops to null constants 2017-09-05 23:13:13 +00:00
InstCombineCalls.cpp Create instruction classes for identifying any atomicity of memory intrinsic. (NFC) 2017-10-30 19:51:48 +00:00
InstCombineCasts.cpp [InstCombine] Fix a vector splat handling bug in transformZExtICmp. 2017-10-05 07:59:11 +00:00
InstCombineCompares.cpp [InstCombine] don't unnecessarily generate a constant; NFCI 2017-10-16 14:47:24 +00:00
InstCombineInternal.h Create instruction classes for identifying any atomicity of memory intrinsic. (NFC) 2017-10-30 19:51:48 +00:00
InstCombineLoadStoreAlloca.cpp Update getMergedLocation to check the instruction type and merge properly. 2017-10-02 18:13:14 +00:00
InstCombineMulDivRem.cpp [Transforms] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-10-24 21:24:53 +00:00
InstCombinePHI.cpp Renable r314928 2017-10-10 05:07:54 +00:00
InstCombineSelect.cpp [InstCombine] Simplify selects that test cmpxchg instructions 2017-10-31 12:34:02 +00:00
InstCombineShifts.cpp [InstCombine] Added support for (X >>s C) << C --> X & (-1 << C) 2017-08-15 19:33:14 +00:00
InstCombineSimplifyDemanded.cpp [InstCombine] improve demanded vector elements analysis of insertelement 2017-08-31 15:57:17 +00:00
InstCombineVectorOps.cpp [Transforms] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-10-24 21:24:53 +00:00
InstructionCombining.cpp [Transforms] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-10-24 21:24:53 +00:00
LLVMBuild.txt
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