AMDGPU: Rename intrinsics to use amdgcn prefix
The intrinsic target prefix should match the target name
as it appears in the triple.
This is not yet complete, but gets most of the important ones.
llvm.AMDGPU.* intrinsics used by mesa and libclc are still handled
for compatability for now.
llvm-svn: 258557
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.rsq.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.rsq.ll
new file mode 100644
index 0000000..4c5489a
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.rsq.ll
@@ -0,0 +1,60 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+
+declare float @llvm.amdgcn.rsq.f32(float) #0
+declare double @llvm.amdgcn.rsq.f64(double) #0
+
+; FUNC-LABEL: {{^}}rsq_f32:
+; SI: v_rsq_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}
+define void @rsq_f32(float addrspace(1)* %out, float %src) #1 {
+ %rsq = call float @llvm.amdgcn.rsq.f32(float %src) #0
+ store float %rsq, float addrspace(1)* %out, align 4
+ ret void
+}
+
+; TODO: Really these should be constant folded
+; FUNC-LABEL: {{^}}rsq_f32_constant_4.0
+; SI: v_rsq_f32_e32 {{v[0-9]+}}, 4.0
+define void @rsq_f32_constant_4.0(float addrspace(1)* %out) #1 {
+ %rsq = call float @llvm.amdgcn.rsq.f32(float 4.0) #0
+ store float %rsq, float addrspace(1)* %out, align 4
+ ret void
+}
+
+; FUNC-LABEL: {{^}}rsq_f32_constant_100.0
+; SI: v_rsq_f32_e32 {{v[0-9]+}}, 0x42c80000
+define void @rsq_f32_constant_100.0(float addrspace(1)* %out) #1 {
+ %rsq = call float @llvm.amdgcn.rsq.f32(float 100.0) #0
+ store float %rsq, float addrspace(1)* %out, align 4
+ ret void
+}
+
+; FUNC-LABEL: {{^}}rsq_f64:
+; SI: v_rsq_f64_e32 {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
+define void @rsq_f64(double addrspace(1)* %out, double %src) #1 {
+ %rsq = call double @llvm.amdgcn.rsq.f64(double %src) #0
+ store double %rsq, double addrspace(1)* %out, align 4
+ ret void
+}
+
+; TODO: Really these should be constant folded
+; FUNC-LABEL: {{^}}rsq_f64_constant_4.0
+; SI: v_rsq_f64_e32 {{v\[[0-9]+:[0-9]+\]}}, 4.0
+define void @rsq_f64_constant_4.0(double addrspace(1)* %out) #1 {
+ %rsq = call double @llvm.amdgcn.rsq.f64(double 4.0) #0
+ store double %rsq, double addrspace(1)* %out, align 4
+ ret void
+}
+
+; FUNC-LABEL: {{^}}rsq_f64_constant_100.0
+; SI-DAG: s_mov_b32 s{{[0-9]+}}, 0x40590000
+; SI-DAG: s_mov_b32 s{{[0-9]+}}, 0{{$}}
+; SI: v_rsq_f64_e32 {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
+define void @rsq_f64_constant_100.0(double addrspace(1)* %out) #1 {
+ %rsq = call double @llvm.amdgcn.rsq.f64(double 100.0) #0
+ store double %rsq, double addrspace(1)* %out, align 4
+ ret void
+}
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind }