%tmp18 = insertvalue %struct.wombat.5 %tmp17, <4 x float> undef, 3, 0
ret %struct.wombat.5 %tmp18
}
+
+; CHECK: adjustCopiesBackFrom
+; The shuffle in if.else3 must be preserved even though adjustCopiesBackFrom
+; is tempted to remove it.
+; CHECK: %if.else3
+; CHECK: vorr d
+define internal void @adjustCopiesBackFrom(<2 x i64>* noalias nocapture sret %agg.result, <2 x i64> %in) {
+entry:
+ %0 = extractelement <2 x i64> %in, i32 0
+ %cmp = icmp slt i64 %0, 1
+ %.in = select i1 %cmp, <2 x i64> <i64 0, i64 undef>, <2 x i64> %in
+ %1 = extractelement <2 x i64> %in, i32 1
+ %cmp1 = icmp slt i64 %1, 1
+ br i1 %cmp1, label %if.then2, label %if.else3
+
+if.then2: ; preds = %entry
+ %2 = insertelement <2 x i64> %.in, i64 0, i32 1
+ br label %if.end4
+
+if.else3: ; preds = %entry
+ %3 = shufflevector <2 x i64> %.in, <2 x i64> %in, <2 x i32> <i32 0, i32 3>
+ br label %if.end4
+
+if.end4: ; preds = %if.else3, %if.then2
+ %result.2 = phi <2 x i64> [ %2, %if.then2 ], [ %3, %if.else3 ]
+ store <2 x i64> %result.2, <2 x i64>* %agg.result, align 128
+ ret void
+}