Florian Hahn 4094f34f78 [InstCombine] Don't undo 0 - (X * Y) canonicalization when combining subs. ...

Otherwise instcombine gets stuck in a cycle. The canonicalization was
added in D55961.

This patch fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12400

llvm-svn: 351187

2019-01-15 11:18:21 +00:00

..

CMakeLists.txt

InstCombine/AMDGPU: Add dimension-aware image intrinsics to SimplifyDemanded

2018-06-21 13:37:31 +00:00

InstCombineAddSub.cpp

[InstCombine] Don't undo 0 - (X * Y) canonicalization when combining subs.

2019-01-15 11:18:21 +00:00

InstCombineAndOrXor.cpp

[InstCombine] canonicalize another raw IR rotate pattern to funnel shift

2019-01-08 22:39:55 +00:00

InstCombineCalls.cpp

AMDGPU: Add a fast path for icmp.i1(src, false, NE)

2019-01-15 02:13:18 +00:00

InstCombineCasts.cpp

[InstCombine] reduce raw IR narrowing rotate patterns to funnel shift

2019-01-04 17:38:12 +00:00

InstCombineCompares.cpp

[InstCombine] Simplify cttz/ctlz + icmp eq/ne into mask check

2018-12-18 19:59:50 +00:00

InstCombineInternal.h

[AMDGPU] Add support for TFE/LWE in image intrinsics. 2nd try

2019-01-14 11:55:24 +00:00

InstCombineLoadStoreAlloca.cpp

[IR] Add Instruction::isLifetimeStartOrEnd, NFC

2018-12-21 21:49:40 +00:00

InstCombineMulDivRem.cpp

[InstCombine] canonicalize MUL with NEG operand

2019-01-01 01:09:20 +00:00

InstCombinePHI.cpp

Introduce llvm.loop.parallel_accesses and llvm.access.group metadata.

2018-12-20 04:58:07 +00:00

InstCombineSelect.cpp

[InstCombine] canonicalize another raw IR rotate pattern to funnel shift

2019-01-08 22:39:55 +00:00

InstCombineShifts.cpp

[InstCombine] Ensure nested shifts are in range (OSS-Fuzz #9880)

2018-11-06 11:28:22 +00:00

InstCombineSimplifyDemanded.cpp

[AMDGPU] Add support for TFE/LWE in image intrinsics. 2nd try

2019-01-14 11:55:24 +00:00

InstCombineTables.td

InstCombine/AMDGPU: Add dimension-aware image intrinsics to SimplifyDemanded

2018-06-21 13:37:31 +00:00

InstCombineVectorOps.cpp

[InstCombine] refactor isCheapToScalarize(); NFC

2018-12-18 19:07:38 +00:00

InstructionCombining.cpp

[InstCombine] don't widen an arbitrary sequence of vector ops (PR40032)

2018-12-17 20:27:43 +00:00

LLVMBuild.txt

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