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