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d0b9369094
This gets gas and llc -filetype=obj to agree on the order of prefixes. For llvm-mc we need to fix the asm parser to know that it makes a difference on which line the "lock" is in. Part of pr23594. llvm-svn: 238232
32 lines
797 B
LLVM
32 lines
797 B
LLVM
; RUN: llc -march=x86-64 < %s | FileCheck %s
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@sc8 = external global i8
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define void @atomic_maxmin_i8() {
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; CHECK: atomic_maxmin_i8
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%1 = atomicrmw max i8* @sc8, i8 5 acquire
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; CHECK: [[LABEL1:\.?LBB[0-9]+_[0-9]+]]:
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; CHECK: movsbl
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; CHECK: cmpl
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; CHECK: lock cmpxchgb
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; CHECK: jne [[LABEL1]]
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%2 = atomicrmw min i8* @sc8, i8 6 acquire
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; CHECK: [[LABEL3:\.?LBB[0-9]+_[0-9]+]]:
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; CHECK: movsbl
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; CHECK: cmpl
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; CHECK: lock cmpxchgb
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; CHECK: jne [[LABEL3]]
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%3 = atomicrmw umax i8* @sc8, i8 7 acquire
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; CHECK: [[LABEL5:\.?LBB[0-9]+_[0-9]+]]:
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; CHECK: movzbl
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; CHECK: cmpl
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; CHECK: lock cmpxchgb
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; CHECK: jne [[LABEL5]]
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%4 = atomicrmw umin i8* @sc8, i8 8 acquire
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; CHECK: [[LABEL7:\.?LBB[0-9]+_[0-9]+]]:
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; CHECK: movzbl
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; CHECK: cmpl
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; CHECK: lock cmpxchgb
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; CHECK: jne [[LABEL7]]
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ret void
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}
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