diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/pr5145.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/pr5145.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/pr5145.ll b/llvm/test/CodeGen/X86/pr5145.ll new file mode 100644 index 00000000000..06ecd7a1454 --- /dev/null +++ b/llvm/test/CodeGen/X86/pr5145.ll @@ -0,0 +1,35 @@ +; RUN: llc -march=x86-64 < %s | FileCheck %s +@sc8 = external global i8 + +define void @atomic_maxmin_i8() { +; CHECK: atomic_maxmin_i8 + %1 = atomicrmw max i8* @sc8, i8 5 acquire +; CHECK: [[LABEL:.LBB[0-9]+_[0-9]+]] +; CHECK: cmpb +; CHECK: cmovl +; CHECK: lock +; CHECK-NEXT: cmpxchgb +; CHECK: jne [[LABEL]] + %2 = atomicrmw min i8* @sc8, i8 6 acquire +; CHECK: [[LABEL:.LBB[0-9]+_[0-9]+]] +; CHECK: cmpb +; CHECK: cmovg +; CHECK: lock +; CHECK-NEXT: cmpxchgb +; CHECK: jne [[LABEL]] + %3 = atomicrmw umax i8* @sc8, i8 7 acquire +; CHECK: [[LABEL:.LBB[0-9]+_[0-9]+]] +; CHECK: cmpb +; CHECK: cmovb +; CHECK: lock +; CHECK-NEXT: cmpxchgb +; CHECK: jne [[LABEL]] + %4 = atomicrmw umin i8* @sc8, i8 8 acquire +; CHECK: [[LABEL:.LBB[0-9]+_[0-9]+]] +; CHECK: cmpb +; CHECK: cmova +; CHECK: lock +; CHECK-NEXT: cmpxchgb +; CHECK: jne [[LABEL]] + ret void +} |
