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(parent: a20b715) | patch
Make sure the non-SSE lowering for fences correctly clobbers EFLAGS. PR11768.
authorEli Friedman <eli.friedman@gmail.com>
Mon, 16 Jan 2012 16:42:21 +0000 (16:42 +0000)
committerEli Friedman <eli.friedman@gmail.com>
Mon, 16 Jan 2012 16:42:21 +0000 (16:42 +0000)
commit1857b51ef57697992afe3955f5f90e79612142d8
tree93b0a926c41df3c852d0e7e1c78657b5ff745f43tree | snapshot
parenta20b71518a9d27aa902d1044599bb1b659c93bcecommit | diff
Make sure the non-SSE lowering for fences correctly clobbers EFLAGS.  PR11768.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148240 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86InstrCompiler.td diff | blob | history
test/CodeGen/X86/2012-01-16-mfence-nosse-flags.ll [new file with mode: 0644] blob
C/C++ LLVM-based compilers that forbids OOTA behaviors