[NVPTX] Fix handling of vector arguments
llvm-svn: 177847
diff --git a/llvm/test/CodeGen/NVPTX/vector-args.ll b/llvm/test/CodeGen/NVPTX/vector-args.ll
new file mode 100644
index 0000000..80deae4
--- /dev/null
+++ b/llvm/test/CodeGen/NVPTX/vector-args.ll
@@ -0,0 +1,27 @@
+; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
+
+
+define float @foo(<2 x float> %a) {
+; CHECK: .func (.param .b32 func_retval0) foo
+; CHECK: .param .align 8 .b8 foo_param_0[8]
+; CHECK: ld.param.f32 %f{{[0-9]+}}
+; CHECK: ld.param.f32 %f{{[0-9]+}}
+ %t1 = fmul <2 x float> %a, %a
+ %t2 = extractelement <2 x float> %t1, i32 0
+ %t3 = extractelement <2 x float> %t1, i32 1
+ %t4 = fadd float %t2, %t3
+ ret float %t4
+}
+
+
+define float @bar(<4 x float> %a) {
+; CHECK: .func (.param .b32 func_retval0) bar
+; CHECK: .param .align 16 .b8 bar_param_0[16]
+; CHECK: ld.param.f32 %f{{[0-9]+}}
+; CHECK: ld.param.f32 %f{{[0-9]+}}
+ %t1 = fmul <4 x float> %a, %a
+ %t2 = extractelement <4 x float> %t1, i32 0
+ %t3 = extractelement <4 x float> %t1, i32 1
+ %t4 = fadd float %t2, %t3
+ ret float %t4
+}