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(parent: bb96dfc) | patch
AVX512: combining setcc and zext is wrong on AVX512
authorElena Demikhovsky <elena.demikhovsky@intel.com>
Wed, 22 Jan 2014 12:26:19 +0000 (12:26 +0000)
committerElena Demikhovsky <elena.demikhovsky@intel.com>
Wed, 22 Jan 2014 12:26:19 +0000 (12:26 +0000)
commitc75a44cda74a20958b789d0e1980677d77f2342c
treee66b78f8e6077861d2eb0c2c4c4bc13fb8558fcatree | snapshot
parentbb96dfcf4f58ae7152f4be92254a0bb1c0995e6dcommit | diff
AVX512: combining setcc and zext is wrong on AVX512
because vector compare instruction puts result in mask register.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199798 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp diff | blob | history
test/CodeGen/X86/avx512-vec-cmp.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors