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[X86] Use LivePhysRegs in X86FixupBWInsts.
authorAhmed Bougacha <ahmed.bougacha@gmail.com>
Tue, 26 Apr 2016 00:00:48 +0000 (00:00 +0000)
committerAhmed Bougacha <ahmed.bougacha@gmail.com>
Tue, 26 Apr 2016 00:00:48 +0000 (00:00 +0000)
commit58f127163a9c8f564694693d52f838ef7b372fd9
tree8c4b27f06dc02d644c656d4bb7c413d5fca4d66f
parent02b4c0584797cf54e1833c7ad2f7805d9aa98cea
[X86] Use LivePhysRegs in X86FixupBWInsts.

Kill-flags, which computeRegisterLiveness uses, are not reliable.
LivePhysRegs is.

Differential Revision: http://reviews.llvm.org/D19472

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267495 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86FixupBWInsts.cpp
test/CodeGen/X86/MergeConsecutiveStores.ll
test/CodeGen/X86/fixup-bw-inst.ll
test/CodeGen/X86/return-ext.ll