--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/AMDGPU/llvm.amdgcn.rcp.ll	Tue Jan 26 22:53:40 2016 +0900
@@ -0,0 +1,73 @@
+; RUN: llc -march=amdgcn -mcpu=SI -mattr=-fp32-denormals -enable-unsafe-fp-math -verify-machineinstrs < %s | FileCheck -check-prefix=SI-UNSAFE -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=SI -mattr=-fp32-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=SI-SAFE -check-prefix=SI -check-prefix=FUNC %s
+; XUN: llc -march=amdgcn -mcpu=SI -mattr=+fp32-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=SI-SAFE-SPDENORM -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-fp32-denormals -enable-unsafe-fp-math -verify-machineinstrs < %s | FileCheck -check-prefix=SI-UNSAFE -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-fp32-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=SI-SAFE -check-prefix=SI -check-prefix=FUNC %s
+; XUN: llc -march=amdgcn -mcpu=tonga -mattr=+fp32-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=SI-SAFE-SPDENORM -check-prefix=SI -check-prefix=FUNC %s
+
+declare float @llvm.amdgcn.rcp.f32(float) #0
+declare double @llvm.amdgcn.rcp.f64(double) #0
+
+declare double @llvm.sqrt.f64(double) #0
+declare float @llvm.sqrt.f32(float) #0
+
+
+; FUNC-LABEL: {{^}}rcp_f32:
+; SI: v_rcp_f32_e32
+define void @rcp_f32(float addrspace(1)* %out, float %src) #1 {
+  %rcp = call float @llvm.amdgcn.rcp.f32(float %src) #0
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rcp_pat_f32:
+
+; SI-SAFE: v_rcp_f32_e32
+; XSI-SAFE-SPDENORM-NOT: v_rcp_f32_e32
+define void @rcp_pat_f32(float addrspace(1)* %out, float %src) #1 {
+  %rcp = fdiv float 1.0, %src
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rsq_rcp_pat_f32:
+; SI-UNSAFE: v_rsq_f32_e32
+; SI-SAFE: v_sqrt_f32_e32
+; SI-SAFE: v_rcp_f32_e32
+define void @rsq_rcp_pat_f32(float addrspace(1)* %out, float %src) #1 {
+  %sqrt = call float @llvm.sqrt.f32(float %src) #0
+  %rcp = call float @llvm.amdgcn.rcp.f32(float %sqrt) #0
+  store float %rcp, float addrspace(1)* %out, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rcp_f64:
+; SI: v_rcp_f64_e32
+define void @rcp_f64(double addrspace(1)* %out, double %src) #1 {
+  %rcp = call double @llvm.amdgcn.rcp.f64(double %src) #0
+  store double %rcp, double addrspace(1)* %out, align 8
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rcp_pat_f64:
+; SI: v_rcp_f64_e32
+define void @rcp_pat_f64(double addrspace(1)* %out, double %src) #1 {
+  %rcp = fdiv double 1.0, %src
+  store double %rcp, double addrspace(1)* %out, align 8
+  ret void
+}
+
+; FUNC-LABEL: {{^}}rsq_rcp_pat_f64:
+; SI-UNSAFE: v_rsq_f64_e32
+; SI-SAFE-NOT: v_rsq_f64_e32
+; SI-SAFE: v_sqrt_f64
+; SI-SAFE: v_rcp_f64
+define void @rsq_rcp_pat_f64(double addrspace(1)* %out, double %src) #1 {
+  %sqrt = call double @llvm.sqrt.f64(double %src) #0
+  %rcp = call double @llvm.amdgcn.rcp.f64(double %sqrt) #0
+  store double %rcp, double addrspace(1)* %out, align 8
+  ret void
+}
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind }