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diff --git a/test/CodeGen/AMDGPU/amdgpu-shader-calling-convention.ll b/test/CodeGen/AMDGPU/amdgpu-shader-calling-convention.ll
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+++ b/test/CodeGen/AMDGPU/amdgpu-shader-calling-convention.ll
@@ -0,0 +1,21 @@
+; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+
+
+; GCN-LABEL: {{^}}shader_cc:
+; GCN: v_add_i32_e32 v0, vcc, s8, v0
+define amdgpu_cs float @shader_cc(<4 x i32> inreg, <4 x i32> inreg, i32 inreg %w, float %v) {
+ %vi = bitcast float %v to i32
+ %x = add i32 %vi, %w
+ %xf = bitcast i32 %x to float
+ ret float %xf
+}
+
+; GCN-LABEL: {{^}}kernel_cc:
+; GCN: s_endpgm
+define float @kernel_cc(<4 x i32> inreg, <4 x i32> inreg, i32 inreg %w, float %v) {
+ %vi = bitcast float %v to i32
+ %x = add i32 %vi, %w
+ %xf = bitcast i32 %x to float
+ ret float %xf
+}