+; PR26354: https://llvm.org/bugs/show_bug.cgi?id=26354
+; Don't create a shufflevector if we know that we're not going to replace the insertelement.
+
+define double @pr26354(<2 x double>* %tmp, i1 %B) {
+; CHECK-LABEL: @pr26354(
+; CHECK: %ld = load <2 x double>, <2 x double>* %tmp
+; CHECK-NEXT: %e1 = extractelement <2 x double> %ld, i32 0
+; CHECK-NEXT: br i1 %B, label %if, label %end
+; CHECK: if:
+; CHECK-NEXT: %e2 = extractelement <2 x double> %ld, i32 1
+; CHECK-NEXT: %i1 = insertelement <4 x double>
+; CHECK-NEXT: br label %end
+
+entry:
+ %ld = load <2 x double>, <2 x double>* %tmp
+ %e1 = extractelement <2 x double> %ld, i32 0
+ %e2 = extractelement <2 x double> %ld, i32 1
+ br i1 %B, label %if, label %end
+
+if:
+ %i1 = insertelement <4 x double> zeroinitializer, double %e2, i32 3
+ br label %end
+
+end:
+ %ph = phi <4 x double> [ undef, %entry ], [ %i1, %if ]
+ %e3 = extractelement <4 x double> %ph, i32 1
+ %mu = fmul double %e1, %e3
+ ret double %mu
+}
+