| ; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s | |
| ; There should be exactly one shift and one add left. | |
| define i32 @test1(i32 %X, i32 %Y) { | |
| ; CHECK-LABEL: @test1( | |
| ; CHECK-NEXT: [[REASS_ADD:%.*]] = add i32 %Y, %X | |
| ; CHECK-NEXT: [[REASS_MUL:%.*]] = shl i32 [[REASS_ADD]], 1 | |
| ; CHECK-NEXT: ret i32 [[REASS_MUL]] | |
| ; | |
| %t2 = shl i32 %X, 1 | |
| %t6 = shl i32 %Y, 1 | |
| %t4 = add i32 %t6, %t2 | |
| ret i32 %t4 | |
| } | |