; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s ; PR49778: this should not be folded to 0. define i32 @src(i1 %x2) { ; CHECK-LABEL: @src( ; CHECK-NEXT: [[X13:%.*]] = zext i1 [[X2:%.*]] to i32 ; CHECK-NEXT: [[_7:%.*]] = shl i32 -1, [[X13]] ; CHECK-NEXT: [[MASK:%.*]] = xor i32 [[_7]], -1 ; CHECK-NEXT: [[_8:%.*]] = and i32 [[MASK]], [[X13]] ; CHECK-NEXT: [[_9:%.*]] = shl i32 [[_8]], [[X13]] ; CHECK-NEXT: ret i32 [[_9]] ; %x13 = zext i1 %x2 to i32 %_7 = shl i32 4294967295, %x13 %mask = xor i32 %_7, 4294967295 %_8 = and i32 %mask, %x13 %_9 = shl i32 %_8, %x13 ret i32 %_9 }