diff options
Diffstat (limited to 'test/CodeGen/AMDGPU/llvm.AMDGPU.legacy.rsq.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/llvm.AMDGPU.legacy.rsq.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/llvm.AMDGPU.legacy.rsq.ll b/test/CodeGen/AMDGPU/llvm.AMDGPU.legacy.rsq.ll new file mode 100644 index 00000000000..4cafd563685 --- /dev/null +++ b/test/CodeGen/AMDGPU/llvm.AMDGPU.legacy.rsq.ll @@ -0,0 +1,13 @@ +; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s +; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s + +declare float @llvm.AMDGPU.legacy.rsq(float) nounwind readnone + +; FUNC-LABEL: {{^}}rsq_legacy_f32: +; SI: v_rsq_legacy_f32_e32 +; EG: RECIPSQRT_IEEE +define void @rsq_legacy_f32(float addrspace(1)* %out, float %src) nounwind { + %rsq = call float @llvm.AMDGPU.legacy.rsq(float %src) nounwind readnone + store float %rsq, float addrspace(1)* %out, align 4 + ret void +} |