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9086980655
llvm-mirror/lib/Transforms/InstCombine
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Balaram Makam 9086980655 Optimize bitwise even/odd test (-x&1 -> x&1) to not use negation. 
Summary: We know that -x & 1 is equivalent to x & 1, avoid using negation for testing if a negative integer is even or odd.

Reviewers: majnemer

Subscribers: junbuml, mssimpso, gberry, mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D12156

llvm-svn: 245569
2015-08-20 15:35:00 +00:00
..
CMakeLists.txt Use ADDITIONAL_HEADER_DIRS in all LLVM CMake projects. 2015-02-11 03:28:02 +00:00
InstCombineAddSub.cpp [InstCombine] Generalize sub of selects optimization to all BinaryOperators 2015-07-14 22:39:23 +00:00
InstCombineAndOrXor.cpp Optimize bitwise even/odd test (-x&1 -> x&1) to not use negation. 2015-08-20 15:35:00 +00:00
InstCombineCalls.cpp [InstCombine] SSE/AVX vector shifts demanded shift amount bits 2015-08-13 07:39:03 +00:00
InstCombineCasts.cpp Add support for floating-point minnum and maxnum 2015-08-11 09:12:57 +00:00
InstCombineCompares.cpp [InstCombine] Replace an and+icmp with a trunc+icmp 2015-08-16 07:09:17 +00:00
InstCombineInternal.h [InstCombine] Employ AliasAnalysis in FindAvailableLoadedValue 2015-07-10 06:55:49 +00:00
InstCombineLoadStoreAlloca.cpp [InstCombine] Actually combine AA metadata when replacing one load with another 2015-07-10 22:30:17 +00:00
InstCombineMulDivRem.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
InstCombinePHI.cpp Revert "[InstCombinePHI] Partial simplification of identity operations." 2015-08-17 03:11:26 +00:00
InstCombineSelect.cpp Add support for floating-point minnum and maxnum 2015-08-11 09:12:57 +00:00
InstCombineShifts.cpp Convert PHI getIncomingValue() to foreach over incoming_values(). NFC. 2015-05-12 20:05:31 +00:00
InstCombineSimplifyDemanded.cpp Add support for floating-point minnum and maxnum 2015-08-11 09:12:57 +00:00
InstCombineVectorOps.cpp [InstSimplify] Teach InstSimplify how to simplify extractelement 2015-07-13 01:15:53 +00:00
InstructionCombining.cpp use minSize wrapper; NFCI 2015-08-18 16:44:23 +00:00
LLVMBuild.txt Update libdeps since TLI was moved from Target to Analysis in r226078. 2015-01-15 05:21:00 +00:00
Makefile