1 files changed, 47 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/r600-intrinsics.ll b/test/Transforms/InstCombine/r600-intrinsics.ll
new file mode 100644
index 0000000..1db6b0d
--- /dev/null
+++ b/test/Transforms/InstCombine/r600-intrinsics.ll
@@ -0,0 +1,47 @@
+; RUN: opt -instcombine -S < %s | FileCheck %s
+
+declare float @llvm.AMDGPU.rcp.f32(float) nounwind readnone
+declare double @llvm.AMDGPU.rcp.f64(double) nounwind readnone
+
+; CHECK-LABEL: @test_constant_fold_rcp_f32_1
+; CHECK-NEXT: ret float 1.000000e+00
+define float @test_constant_fold_rcp_f32_1() nounwind {
+  %val = call float @llvm.AMDGPU.rcp.f32(float 1.0) nounwind readnone
+  ret float %val
+}
+
+; CHECK-LABEL: @test_constant_fold_rcp_f64_1
+; CHECK-NEXT:  ret double 1.000000e+00
+define double @test_constant_fold_rcp_f64_1() nounwind {
+  %val = call double @llvm.AMDGPU.rcp.f64(double 1.0) nounwind readnone
+  ret double %val
+}
+
+; CHECK-LABEL: @test_constant_fold_rcp_f32_half
+; CHECK-NEXT: ret float 2.000000e+00
+define float @test_constant_fold_rcp_f32_half() nounwind {
+  %val = call float @llvm.AMDGPU.rcp.f32(float 0.5) nounwind readnone
+  ret float %val
+}
+
+; CHECK-LABEL: @test_constant_fold_rcp_f64_half
+; CHECK-NEXT:  ret double 2.000000e+00
+define double @test_constant_fold_rcp_f64_half() nounwind {
+  %val = call double @llvm.AMDGPU.rcp.f64(double 0.5) nounwind readnone
+  ret double %val
+}
+
+; CHECK-LABEL: @test_constant_fold_rcp_f32_43
+; CHECK-NEXT: call float @llvm.AMDGPU.rcp.f32(float 4.300000e+01)
+define float @test_constant_fold_rcp_f32_43() nounwind {
+ %val = call float @llvm.AMDGPU.rcp.f32(float 4.300000e+01) nounwind readnone
+ ret float %val
+}
+
+; CHECK-LABEL: @test_constant_fold_rcp_f64_43
+; CHECK-NEXT: call double @llvm.AMDGPU.rcp.f64(double 4.300000e+01)
+define double @test_constant_fold_rcp_f64_43() nounwind {
+  %val = call double @llvm.AMDGPU.rcp.f64(double 4.300000e+01) nounwind readnone
+  ret double %val
+}
+