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 3 4 @sc64 = external global i64 5 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]+]] 10 ; LINUX: cmpl 11 ; LINUX: seta 12 ; LINUX: cmovne 13 ; LINUX: cmovne 14 ; LINUX: lock 15 ; LINUX-NEXT: cmpxchg8b 16 ; LINUX: jne [[LABEL]] 17 %2 = atomicrmw min i64* @sc64, i64 6 acquire 18 ; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]] 19 ; LINUX: cmpl 20 ; LINUX: setb 21 ; LINUX: cmovne 22 ; LINUX: cmovne 23 ; LINUX: lock 24 ; LINUX-NEXT: cmpxchg8b 25 ; LINUX: jne [[LABEL]] 26 %3 = atomicrmw umax i64* @sc64, i64 7 acquire 27 ; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]] 28 ; LINUX: cmpl 29 ; LINUX: seta 30 ; LINUX: cmovne 31 ; LINUX: cmovne 32 ; LINUX: lock 33 ; LINUX-NEXT: cmpxchg8b 34 ; LINUX: jne [[LABEL]] 35 %4 = atomicrmw umin i64* @sc64, i64 8 acquire 36 ; LINUX: [[LABEL:.LBB[0-9]+_[0-9]+]] 37 ; LINUX: cmpl 38 ; LINUX: setb 39 ; LINUX: cmovne 40 ; LINUX: cmovne 41 ; LINUX: lock 42 ; LINUX-NEXT: cmpxchg8b 43 ; LINUX: jne [[LABEL]] 44 ret void 45 } 46 47 ; rdar://12453106 48 @id = internal global i64 0, align 8 49 50 define void @tf_bug(i8* %ptr) nounwind { 51 ; PIC-LABEL: tf_bug: 52 ; PIC-DAG: movl _id-L1$pb( 53 ; PIC-DAG: movl (_id-L1$pb)+4( 54 %tmp1 = atomicrmw add i64* @id, i64 1 seq_cst 55 %tmp2 = add i64 %tmp1, 1 56 %tmp3 = bitcast i8* %ptr to i64* 57 store i64 %tmp2, i64* %tmp3, align 4 58 ret void 59 } 60
