1; RUN: opt < %s -reassociate -instcombine -S | FileCheck %s 2 3; There should be exactly one shift and one add left. 4 5define i32 @test1(i32 %X, i32 %Y) { 6; CHECK-LABEL: @test1( 7; CHECK-NEXT: [[REASS_ADD:%.*]] = add i32 %Y, %X 8; CHECK-NEXT: [[REASS_MUL:%.*]] = shl i32 [[REASS_ADD]], 1 9; CHECK-NEXT: ret i32 [[REASS_MUL]] 10; 11 %t2 = shl i32 %X, 1 12 %t6 = shl i32 %Y, 1 13 %t4 = add i32 %t6, %t2 14 ret i32 %t4 15} 16 17