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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
56 lines
1.4 KiB
LLVM
56 lines
1.4 KiB
LLVM
; RUN: llc -march=x86 -mattr=+cmov,cx16 -mtriple=i386-pc-linux -verify-machineinstrs < %s | FileCheck %s -check-prefix=LINUX
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; RUN: llc -march=x86 -mattr=cx16 -mtriple=i386-macosx -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s -check-prefix=PIC
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@sc64 = external global i64
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define void @atomic_maxmin_i6432() {
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; LINUX: atomic_maxmin_i6432
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%1 = atomicrmw max i64* @sc64, i64 5 acquire
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; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
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; LINUX: cmpl
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; LINUX: seta
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; LINUX: cmovne
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; LINUX: cmovne
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; LINUX: lock cmpxchg8b
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; LINUX: jne [[LABEL]]
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%2 = atomicrmw min i64* @sc64, i64 6 acquire
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; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
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; LINUX: cmpl
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; LINUX: setb
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; LINUX: cmovne
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; LINUX: cmovne
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; LINUX: lock cmpxchg8b
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; LINUX: jne [[LABEL]]
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%3 = atomicrmw umax i64* @sc64, i64 7 acquire
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; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
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; LINUX: cmpl
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; LINUX: seta
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; LINUX: cmovne
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; LINUX: cmovne
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; LINUX: lock cmpxchg8b
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; LINUX: jne [[LABEL]]
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%4 = atomicrmw umin i64* @sc64, i64 8 acquire
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; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
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; LINUX: cmpl
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; LINUX: setb
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; LINUX: cmovne
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; LINUX: cmovne
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; LINUX: lock cmpxchg8b
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; LINUX: jne [[LABEL]]
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ret void
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}
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; rdar://12453106
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@id = internal global i64 0, align 8
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define void @tf_bug(i8* %ptr) nounwind {
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; PIC-LABEL: tf_bug:
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; PIC-DAG: movl _id-L1$pb(
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; PIC-DAG: movl (_id-L1$pb)+4(
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%tmp1 = atomicrmw add i64* @id, i64 1 seq_cst
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%tmp2 = add i64 %tmp1, 1
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%tmp3 = bitcast i8* %ptr to i64*
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store i64 %tmp2, i64* %tmp3, align 4
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ret void
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}
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