1; There should be exactly one shift and one add left.
2; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s
3
4define i32 @test1(i32 %X, i32 %Y) {
5; CHECK-LABEL: test1
6; CHECK-NEXT: %tmp = add i32 %Y, %X
7; CHECK-NEXT: %tmp1 = shl i32 %tmp, 1
8; CHECK-NEXT: ret i32 %tmp1
9
10  %tmp.2 = shl i32 %X, 1
11  %tmp.6 = shl i32 %Y, 1
12  %tmp.4 = add i32 %tmp.6, %tmp.2
13  ret i32 %tmp.4
14}
15