--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/CodeGen/X86/widen_arith-5.ll	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,50 @@
+; RUN: llc < %s -march=x86-64 -mattr=+sse4.2  | FileCheck %s
+; CHECK: movdqa
+; CHECK: pslld $2
+; CHECK: psubd
+
+; widen a v3i32 to v4i32 to do a vector multiple and a subtraction
+
+define void @update(<3 x i32>* %dst, <3 x i32>* %src, i32 %n) nounwind {
+entry:
+	%dst.addr = alloca <3 x i32>*		; <<3 x i32>**> [#uses=2]
+	%src.addr = alloca <3 x i32>*		; <<3 x i32>**> [#uses=2]
+	%n.addr = alloca i32		; <i32*> [#uses=2]
+	%v = alloca <3 x i32>, align 16		; <<3 x i32>*> [#uses=1]
+	%i = alloca i32, align 4		; <i32*> [#uses=6]
+	store <3 x i32>* %dst, <3 x i32>** %dst.addr
+	store <3 x i32>* %src, <3 x i32>** %src.addr
+	store i32 %n, i32* %n.addr
+	store <3 x i32> < i32 1, i32 1, i32 1 >, <3 x i32>* %v
+	store i32 0, i32* %i
+	br label %forcond
+
+forcond:		; preds = %forinc, %entry
+	%tmp = load i32* %i		; <i32> [#uses=1]
+	%tmp1 = load i32* %n.addr		; <i32> [#uses=1]
+	%cmp = icmp slt i32 %tmp, %tmp1		; <i1> [#uses=1]
+	br i1 %cmp, label %forbody, label %afterfor
+
+forbody:		; preds = %forcond
+	%tmp2 = load i32* %i		; <i32> [#uses=1]
+	%tmp3 = load <3 x i32>** %dst.addr		; <<3 x i32>*> [#uses=1]
+	%arrayidx = getelementptr <3 x i32>* %tmp3, i32 %tmp2		; <<3 x i32>*> [#uses=1]
+	%tmp4 = load i32* %i		; <i32> [#uses=1]
+	%tmp5 = load <3 x i32>** %src.addr		; <<3 x i32>*> [#uses=1]
+	%arrayidx6 = getelementptr <3 x i32>* %tmp5, i32 %tmp4		; <<3 x i32>*> [#uses=1]
+	%tmp7 = load <3 x i32>* %arrayidx6		; <<3 x i32>> [#uses=1]
+	%mul = mul <3 x i32> %tmp7, < i32 4, i32 4, i32 4 >		; <<3 x i32>> [#uses=1]
+	%sub = sub <3 x i32> %mul, < i32 3, i32 3, i32 3 >		; <<3 x i32>> [#uses=1]
+	store <3 x i32> %sub, <3 x i32>* %arrayidx
+	br label %forinc
+
+forinc:		; preds = %forbody
+	%tmp8 = load i32* %i		; <i32> [#uses=1]
+	%inc = add i32 %tmp8, 1		; <i32> [#uses=1]
+	store i32 %inc, i32* %i
+	br label %forcond
+
+afterfor:		; preds = %forcond
+	ret void
+}
+