1 files changed, 16 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/shufflevec-bitcast.ll b/test/Transforms/InstCombine/shufflevec-bitcast.ll
new file mode 100644
index 0000000000000..0f0365a07fb40
--- /dev/null
+++ b/test/Transforms/InstCombine/shufflevec-bitcast.ll
@@ -0,0 +1,16 @@
+; RUN: opt < %s -instcombine -S | FileCheck %s
+
+define void @test(<16 x i8> %w, i32* %o1, float* %o2) {
+
+; CHECK:       %v.bc = bitcast <16 x i8> %w to <4 x i32>
+; CHECK-NEXT:  %v.extract = extractelement <4 x i32> %v.bc, i32 3
+; CHECK-NEXT:  %v.bc{{[0-9]*}} = bitcast <16 x i8> %w to <4 x float>
+; CHECK-NEXT:  %v.extract{{[0-9]*}} = extractelement <4 x float> %v.bc{{[0-9]*}}, i32 3
+
+  %v = shufflevector <16 x i8> %w, <16 x i8> undef, <4 x i32> <i32 12, i32 13, i32 14, i32 15>
+  %f = bitcast <4 x i8> %v to float
+  %i = bitcast <4 x i8> %v to i32
+  store i32 %i, i32* %o1, align 4
+  store float %f, float* %o2, align 4
+  ret void
+}