1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2 ; RUN: opt -passes=instcombine -S < %s | FileCheck %s
4 define i32 @widget(i32 %arg, i32 %arg1) {
5 ; CHECK-LABEL: define i32 @widget(
6 ; CHECK-SAME: i32 [[ARG:%.*]], i32 [[ARG1:%.*]]) {
8 ; CHECK-NEXT: [[ICMP:%.*]] = icmp ne i32 [[ARG]], 0
9 ; CHECK-NEXT: [[TMP0:%.*]] = zext i1 [[ICMP]] to i32
10 ; CHECK-NEXT: [[MUL:%.*]] = shl nuw nsw i32 20, [[TMP0]]
11 ; CHECK-NEXT: [[XOR:%.*]] = zext i1 [[ICMP]] to i32
12 ; CHECK-NEXT: [[ADD9:%.*]] = or disjoint i32 [[MUL]], [[XOR]]
13 ; CHECK-NEXT: [[TMP1:%.*]] = zext i1 [[ICMP]] to i32
14 ; CHECK-NEXT: [[MUL2:%.*]] = shl nuw nsw i32 [[ADD9]], [[TMP1]]
15 ; CHECK-NEXT: ret i32 [[MUL2]]
18 %icmp = icmp eq i32 %arg, 0
19 %zext = zext i1 %icmp to i32
20 %sub = sub i32 2, %zext
21 %mul = mul i32 20, %sub
22 %zext8 = zext i1 %icmp to i32
23 %xor = xor i32 %zext8, 1
24 %add9 = add i32 %mul, %xor
25 %mul2 = mul i32 %add9, %sub