Sanjay Patel 510d647a4d [InstCombine] X / (X * Y) -> 1 / Y if the multiplication does not overflow ...

The related cases for (X * Y) / X were handled in rL124487.

https://rise4fun.com/Alive/6k9

The division in these tests is subsequently eliminated by existing instcombines
for 1/X.

llvm-svn: 324843

2018-02-11 17:20:32 +00:00

..

CMakeLists.txt

[CMake] NFC. Updating CMake dependency specifications

2016-11-17 04:36:50 +00:00

InstCombineAddSub.cpp

[InstCombine] canonicalize constant-minus-boolean to select-of-constants

2017-12-06 21:22:57 +00:00

InstCombineAndOrXor.cpp

[InstCombine] Add constant vector support for ~(C >> Y) --> ~C >> Y

2018-02-10 21:46:09 +00:00

InstCombineCalls.cpp

[InstCombine] Use getDestAlignment in SimplifyMemSet (NFC)

2018-02-02 22:03:03 +00:00

InstCombineCasts.cpp

[InstCombine] don't try to evaluate instructions with >1 use (revert r324014)

2018-02-05 21:50:32 +00:00

InstCombineCompares.cpp

[InstCombine] simplify logic for swapMayExposeCSEOpportunities; NFCI

2018-02-02 19:08:12 +00:00

InstCombineInternal.h

[InstCombine] narrow masked zexted binops (PR35792)

2018-01-25 16:34:36 +00:00

InstCombineLoadStoreAlloca.cpp

Remove redundant includes from lib/Transforms.

2017-12-13 21:31:01 +00:00

InstCombineMulDivRem.cpp

[InstCombine] X / (X * Y) -> 1 / Y if the multiplication does not overflow

2018-02-11 17:20:32 +00:00

InstCombinePHI.cpp

Remove redundant includes from lib/Transforms.

2017-12-13 21:31:01 +00:00

InstCombineSelect.cpp

[InstCombine] add unsigned saturation subtraction canonicalizations

2018-02-05 17:53:29 +00:00

InstCombineShifts.cpp

[InstCombine] Check for out of range ashr values using APInt before calling getZExtValue

2018-01-09 14:23:46 +00:00

InstCombineSimplifyDemanded.cpp

[InstCombine] fix demanded-bits propagation for zext/trunc

2018-01-17 14:39:28 +00:00

InstCombineVectorOps.cpp

[InstCombine] Gracefully handle out of range extractelement indices

2017-12-27 12:00:18 +00:00

InstructionCombining.cpp

[InstCombine] Allow common type conversions to i8/i16/i32

2018-02-03 16:51:03 +00:00

LLVMBuild.txt

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