1 files changed, 47 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/vec_shuffle.ll b/test/Transforms/InstCombine/vec_shuffle.ll
new file mode 100644
index 000000000000..aaaee3f84315
--- /dev/null
+++ b/test/Transforms/InstCombine/vec_shuffle.ll
@@ -0,0 +1,47 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep vector_shuffle
+; END.
+
+%T = type <4 x float>
+
+
+define %T @test1(%T %v1) {
+  %v2 = shufflevector %T %v1, %T undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  ret %T %v2
+}
+
+define %T @test2(%T %v1) {
+  %v2 = shufflevector %T %v1, %T %v1, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+  ret %T %v2
+}
+
+define float @test3(%T %A, %T %B, float %f) {
+        %C = insertelement %T %A, float %f, i32 0
+        %D = shufflevector %T %C, %T %B, <4 x i32> <i32 5, i32 0, i32 2, i32 7>
+        %E = extractelement %T %D, i32 1
+        ret float %E
+}
+
+define i32 @test4(<4 x i32> %X) {
+        %tmp152.i53899.i = shufflevector <4 x i32> %X, <4 x i32> undef, <4 x i32> zeroinitializer
+        %tmp34 = extractelement <4 x i32> %tmp152.i53899.i, i32 0
+        ret i32 %tmp34
+}
+
+define i32 @test5(<4 x i32> %X) {
+        %tmp152.i53899.i = shufflevector <4 x i32> %X, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 undef, i32 undef>
+        %tmp34 = extractelement <4 x i32> %tmp152.i53899.i, i32 0
+        ret i32 %tmp34
+}
+
+define float @test6(<4 x float> %X) {
+        %X1 = bitcast <4 x float> %X to <4 x i32>
+        %tmp152.i53899.i = shufflevector <4 x i32> %X1, <4 x i32> undef, <4 x i32> zeroinitializer
+        %tmp152.i53900.i = bitcast <4 x i32> %tmp152.i53899.i to <4 x float>
+        %tmp34 = extractelement <4 x float> %tmp152.i53900.i, i32 0
+        ret float %tmp34
+}
+
+define <4 x float> @test7(<4 x float> %tmp45.i) {
+        %tmp1642.i = shufflevector <4 x float> %tmp45.i, <4 x float> undef, <4 x i32> < i32 0, i32 1, i32 6, i32 7 >
+        ret <4 x float> %tmp1642.i
+}