--- /dev/null
+; RUN: opt -codegenprepare -S -o - %s | FileCheck %s
+
+target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:32:32-p5:64:64-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64"
+target triple = "r600--"
+
+; XFAIL: *
+
+; CHECK-LABEL: @test
+; CHECK: mul
+; CHECK-NEXT: sext
+define void @test(i8 addrspace(1)* nocapture readonly %in, i32 %a, i8 %b) {
+entry:
+ %0 = mul nsw i32 %a, 3
+ %1 = sext i32 %0 to i64
+ %2 = getelementptr i8 addrspace(1)* %in, i64 %1
+ store i8 %b, i8 addrspace(1)* %2
+ ret void
+}