1 files changed, 26 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/fsqrt.f64.ll b/test/CodeGen/AMDGPU/fsqrt.f64.ll
new file mode 100644
index 0000000000000..ce0881c329be1
--- /dev/null
+++ b/test/CodeGen/AMDGPU/fsqrt.f64.ll
@@ -0,0 +1,26 @@
+; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
+
+; FUNC-LABEL: {{^}}v_safe_fsqrt_f64:
+; GCN: v_sqrt_f64_e32 {{v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\]}}
+define void @v_safe_fsqrt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #1 {
+  %r0 = load double, double addrspace(1)* %in
+  %r1 = call double @llvm.sqrt.f64(double %r0)
+  store double %r1, double addrspace(1)* %out
+  ret void
+}
+
+; FUNC-LABEL: {{^}}v_unsafe_fsqrt_f64:
+; GCN: v_sqrt_f64_e32 {{v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\]}}
+define void @v_unsafe_fsqrt_f64(double addrspace(1)* %out, double addrspace(1)* %in) #2 {
+  %r0 = load double, double addrspace(1)* %in
+  %r1 = call double @llvm.sqrt.f64(double %r0)
+  store double %r1, double addrspace(1)* %out
+  ret void
+}
+
+declare double @llvm.sqrt.f64(double %Val) #0
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind "unsafe-fp-math"="false" }
+attributes #2 = { nounwind "unsafe-fp-math"="true" }