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Diffstat (limited to 'test/CodeGen/X86/pause.ll')
| -rw-r--r-- | test/CodeGen/X86/pause.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pause.ll b/test/CodeGen/X86/pause.ll new file mode 100644 index 0000000000000..70ac79f78f6e0 --- /dev/null +++ b/test/CodeGen/X86/pause.ll @@ -0,0 +1,15 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mattr=-sse -show-mc-encoding | FileCheck %s +; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mattr=-avx,+sse2 -show-mc-encoding | FileCheck %s +; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mattr=+avx2 -show-mc-encoding | FileCheck %s +; RUN: llc < %s -disable-peephole -mtriple=i386-apple-darwin -mcpu=skx -show-mc-encoding | FileCheck %s + +define void @test_x86_sse2_pause() { +; CHECK-LABEL: test_x86_sse2_pause: +; CHECK: ## BB#0: +; CHECK-NEXT: pause ## encoding: [0xf3,0x90] +; CHECK-NEXT: retl ## encoding: [0xc3] + tail call void @llvm.x86.sse2.pause() + ret void +} +declare void @llvm.x86.sse2.pause() nounwind |