1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt -passes=instcombine -S < %s | FileCheck %s
4 ; <rdar://problem/8606771>
5 define i32 @main(i32 %argc) {
7 ; CHECK-NEXT: [[T3151:%.*]] = trunc i32 [[ARGC:%.*]] to i8
8 ; CHECK-NEXT: [[T3163:%.*]] = xor i8 [[T3151]], -1
9 ; CHECK-NEXT: [[TMP1:%.*]] = shl i8 [[T3163]], 5
10 ; CHECK-NEXT: [[T4127:%.*]] = and i8 [[TMP1]], 64
11 ; CHECK-NEXT: [[T4086:%.*]] = zext nneg i8 [[T4127]] to i32
12 ; CHECK-NEXT: ret i32 [[T4086]]
14 %t3151 = trunc i32 %argc to i8
15 %t3161 = or i8 %t3151, -17
16 %t3162 = and i8 %t3151, 122
17 %t3163 = xor i8 %t3162, -17
18 %t4114 = shl i8 %t3163, 6
19 %t4115 = xor i8 %t4114, %t3163
20 %t4120 = xor i8 %t3161, %t4115
21 %t4126 = lshr i8 %t4120, 7
22 %t4127 = mul i8 %t4126, 64
23 %t4086 = zext i8 %t4127 to i32
28 define i8 @foo(i8 %arg, i8 %arg1) {
30 ; CHECK-NEXT: [[T:%.*]] = shl i8 [[ARG:%.*]], 7
31 ; CHECK-NEXT: [[T2:%.*]] = and i8 [[ARG1:%.*]], 84
32 ; CHECK-NEXT: [[T3:%.*]] = and i8 [[ARG1]], -118
33 ; CHECK-NEXT: [[T4:%.*]] = and i8 [[ARG1]], 33
34 ; CHECK-NEXT: [[T5:%.*]] = sub nsw i8 40, [[T2]]
35 ; CHECK-NEXT: [[T6:%.*]] = and i8 [[T5]], 84
36 ; CHECK-NEXT: [[T7:%.*]] = or disjoint i8 [[T4]], [[T6]]
37 ; CHECK-NEXT: [[T8:%.*]] = xor i8 [[T]], [[T3]]
38 ; CHECK-NEXT: [[T9:%.*]] = or disjoint i8 [[T7]], [[T8]]
39 ; CHECK-NEXT: [[TMP1:%.*]] = lshr i8 [[T8]], 2
40 ; CHECK-NEXT: [[T11:%.*]] = and i8 [[TMP1]], 32
41 ; CHECK-NEXT: [[T12:%.*]] = xor i8 [[T11]], [[T9]]
42 ; CHECK-NEXT: ret i8 [[T12]]
45 %t2 = and i8 %arg1, 84
46 %t3 = and i8 %arg1, -118
47 %t4 = and i8 %arg1, 33
55 %t12 = xor i8 %t11, %t9