1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -passes=reassociate,instcombine -S | FileCheck %s 3 4; There should be exactly one shift and one add left. 5 6define i32 @test1(i32 %X, i32 %Y) { 7; CHECK-LABEL: @test1( 8; CHECK-NEXT: [[REASS_ADD:%.*]] = add i32 [[Y:%.*]], [[X:%.*]] 9; CHECK-NEXT: [[REASS_MUL:%.*]] = shl i32 [[REASS_ADD]], 1 10; CHECK-NEXT: ret i32 [[REASS_MUL]] 11; 12 %t2 = shl i32 %X, 1 13 %t6 = shl i32 %Y, 1 14 %t4 = add i32 %t6, %t2 15 ret i32 %t4 16} 17 18