1 ; RUN: llc -march=x86 -mattr=+cmov,cx16 -mtriple=i386-pc-linux -verify-machineinstrs < %s | FileCheck %s -check-prefix=LINUX
2 ; RUN: llc -march=x86 -mattr=cx16 -mtriple=i386-macosx -relocation-model=pic -verify-machineinstrs < %s | FileCheck %s -check-prefix=PIC
4 @sc64 = external global i64
6 define void @atomic_maxmin_i6432() {
7 ; LINUX: atomic_maxmin_i6432
8 %1 = atomicrmw max i64* @sc64, i64 5 acquire
9 ; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
14 ; LINUX: lock cmpxchg8b
15 ; LINUX: jne [[LABEL]]
16 %2 = atomicrmw min i64* @sc64, i64 6 acquire
17 ; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
22 ; LINUX: lock cmpxchg8b
23 ; LINUX: jne [[LABEL]]
24 %3 = atomicrmw umax i64* @sc64, i64 7 acquire
25 ; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
30 ; LINUX: lock cmpxchg8b
31 ; LINUX: jne [[LABEL]]
32 %4 = atomicrmw umin i64* @sc64, i64 8 acquire
33 ; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]]
38 ; LINUX: lock cmpxchg8b
39 ; LINUX: jne [[LABEL]]
44 @id = internal global i64 0, align 8
46 define void @tf_bug(i8* %ptr) nounwind {
48 ; PIC-DAG: movl _id-L1$pb(
49 ; PIC-DAG: movl (_id-L1$pb)+4(
50 %tmp1 = atomicrmw add i64* @id, i64 1 seq_cst
51 %tmp2 = add i64 %tmp1, 1
52 %tmp3 = bitcast i8* %ptr to i64*
53 store i64 %tmp2, i64* %tmp3, align 4