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(parent: 5de35bc) | patch
Teach X86 backend to create BMI2 BZHI instructions from (and X, (add (shl 1, Y),...
authorCraig Topper <craig.topper@gmail.com>
Fri, 30 Aug 2013 06:52:21 +0000 (06:52 +0000)
committerCraig Topper <craig.topper@gmail.com>
Fri, 30 Aug 2013 06:52:21 +0000 (06:52 +0000)
commitb6ac30a15591a8dab3cff3f0891d7e1ca9476826
treed5667baefea62d45bac0b66e16c669adb96e336etree | snapshot
parent5de35bc7303ac36714e9e8ad42987c86cabf9c74commit | diff
Teach X86 backend to create BMI2 BZHI instructions from (and X, (add (shl 1, Y), -1)). Fixes PR17038.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189653 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
lib/Target/X86/X86ISelLowering.h diff | blob | history
lib/Target/X86/X86InstrInfo.td diff | blob | history
test/CodeGen/X86/bmi.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors