Check in LLVM r95781.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/CodeGen/X86/extract-combine.ll b/test/CodeGen/X86/extract-combine.ll
new file mode 100644
index 0000000..2040e87
--- /dev/null
+++ b/test/CodeGen/X86/extract-combine.ll
@@ -0,0 +1,15 @@
+; RUN: llc < %s -march=x86-64 -mcpu=core2 -o %t
+; RUN: not grep unpcklps %t
+
+define i32 @foo() nounwind {
+entry:
+	%tmp74.i25762 = shufflevector <16 x float> zeroinitializer, <16 x float> zeroinitializer, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 16, i32 17, i32 18, i32 19>		; <<16 x float>> [#uses=1]
+	%tmp518 = shufflevector <16 x float> %tmp74.i25762, <16 x float> undef, <4 x i32> <i32 12, i32 13, i32 14, i32 15>		; <<4 x float>> [#uses=1]
+	%movss.i25611 = shufflevector <4 x float> zeroinitializer, <4 x float> %tmp518, <4 x i32> <i32 4, i32 1, i32 2, i32 3>		; <<4 x float>> [#uses=1]
+	%conv3.i25615 = shufflevector <4 x float> %movss.i25611, <4 x float> undef, <4 x i32> <i32 1, i32 2, i32 3, i32 0>		; <<4 x float>> [#uses=1]
+	%sub.i25620 = fsub <4 x float> %conv3.i25615, zeroinitializer		; <<4 x float>> [#uses=1]
+	%mul.i25621 = fmul <4 x float> zeroinitializer, %sub.i25620		; <<4 x float>> [#uses=1]
+	%add.i25622 = fadd <4 x float> zeroinitializer, %mul.i25621		; <<4 x float>> [#uses=1]
+	store <4 x float> %add.i25622, <4 x float>* null
+	unreachable
+}