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-rw-r--r--contrib/llvm/lib/Target/X86/X86InstrCompiler.td2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/llvm/lib/Target/X86/X86InstrCompiler.td b/contrib/llvm/lib/Target/X86/X86InstrCompiler.td
index da28690..612b2fa 100644
--- a/contrib/llvm/lib/Target/X86/X86InstrCompiler.td
+++ b/contrib/llvm/lib/Target/X86/X86InstrCompiler.td
@@ -533,7 +533,7 @@ def ATOMSWAP6432 : I<0, Pseudo, (outs GR32:$dst1, GR32:$dst2),
// Memory barriers
// TODO: Get this to fold the constant into the instruction.
-let isCodeGenOnly = 1 in
+let isCodeGenOnly = 1, Defs = [EFLAGS] in
def OR32mrLocked : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst, GR32:$zero),
"lock\n\t"
"or{l}\t{$zero, $dst|$dst, $zero}",
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