1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -instcombine < %s | FileCheck %s
3
4declare void @foo()
5
6define i1 @test1(i32 %a, i32 %b) {
7; CHECK-LABEL: @test1(
8; CHECK-NEXT:    [[TMP1:%.*]] = or i32 %a, %b
9; CHECK-NEXT:    [[TMP2:%.*]] = icmp slt i32 [[TMP1]], 0
10; CHECK-NEXT:    ret i1 [[TMP2]]
11;
12  %1 = icmp slt i32 %a, 0
13  %2 = icmp slt i32 %b, 0
14  %or.cond = or i1 %1, %2
15  ret i1 %or.cond
16}
17
18define i1 @test2(i32 %a, i32 %b) {
19; CHECK-LABEL: @test2(
20; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, %b
21; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt i32 [[TMP1]], -1
22; CHECK-NEXT:    ret i1 [[TMP2]]
23;
24  %1 = icmp sgt i32 %a, -1
25  %2 = icmp sgt i32 %b, -1
26  %or.cond = or i1 %1, %2
27  ret i1 %or.cond
28}
29
30define i1 @test3(i32 %a, i32 %b) {
31; CHECK-LABEL: @test3(
32; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, %b
33; CHECK-NEXT:    [[TMP2:%.*]] = icmp slt i32 [[TMP1]], 0
34; CHECK-NEXT:    ret i1 [[TMP2]]
35;
36  %1 = icmp slt i32 %a, 0
37  %2 = icmp slt i32 %b, 0
38  %or.cond = and i1 %1, %2
39  ret i1 %or.cond
40}
41
42define i1 @test4(i32 %a, i32 %b) {
43; CHECK-LABEL: @test4(
44; CHECK-NEXT:    [[TMP1:%.*]] = or i32 %a, %b
45; CHECK-NEXT:    [[TMP2:%.*]] = icmp sgt i32 [[TMP1]], -1
46; CHECK-NEXT:    ret i1 [[TMP2]]
47;
48  %1 = icmp sgt i32 %a, -1
49  %2 = icmp sgt i32 %b, -1
50  %or.cond = and i1 %1, %2
51  ret i1 %or.cond
52}
53
54define void @test5(i32 %a) {
55; CHECK-LABEL: @test5(
56; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, -2013265920
57; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
58; CHECK-NEXT:    br i1 [[TMP2]], label %if.then, label %if.end
59;
60  %and = and i32 %a, 134217728
61  %1 = icmp eq i32 %and, 0
62  %2 = icmp sgt i32 %a, -1
63  %or.cond = and i1 %1, %2
64  br i1 %or.cond, label %if.then, label %if.end
65
66
67if.then:
68  tail call void @foo() nounwind
69  ret void
70
71if.end:
72  ret void
73}
74
75define void @test6(i32 %a) {
76; CHECK-LABEL: @test6(
77; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, -2013265920
78; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
79; CHECK-NEXT:    br i1 [[TMP2]], label %if.then, label %if.end
80;
81  %1 = icmp sgt i32 %a, -1
82  %and = and i32 %a, 134217728
83  %2 = icmp eq i32 %and, 0
84  %or.cond = and i1 %1, %2
85  br i1 %or.cond, label %if.then, label %if.end
86
87
88if.then:
89  tail call void @foo() nounwind
90  ret void
91
92if.end:
93  ret void
94}
95
96define void @test7(i32 %a) {
97; CHECK-LABEL: @test7(
98; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, -2013265920
99; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
100; CHECK-NEXT:    br i1 [[TMP2]], label %if.end, label %if.then
101;
102  %and = and i32 %a, 134217728
103  %1 = icmp ne i32 %and, 0
104  %2 = icmp slt i32 %a, 0
105  %or.cond = or i1 %1, %2
106  br i1 %or.cond, label %if.then, label %if.end
107
108
109if.then:
110  tail call void @foo() nounwind
111  ret void
112
113if.end:
114  ret void
115}
116
117define void @test8(i32 %a) {
118; CHECK-LABEL: @test8(
119; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, -2013265920
120; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 0
121; CHECK-NEXT:    br i1 [[TMP2]], label %if.end, label %if.then
122;
123  %1 = icmp slt i32 %a, 0
124  %and = and i32 %a, 134217728
125  %2 = icmp ne i32 %and, 0
126  %or.cond = or i1 %1, %2
127  br i1 %or.cond, label %if.then, label %if.end
128
129
130if.then:
131  tail call void @foo()
132  ret void
133
134if.end:
135  ret void
136}
137
138define i1 @test9(i32 %a) {
139; CHECK-LABEL: @test9(
140; CHECK-NEXT:    [[TMP1:%.*]] = and i32 %a, -1073741824
141; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i32 [[TMP1]], 1073741824
142; CHECK-NEXT:    ret i1 [[TMP2]]
143;
144  %1 = and i32 %a, 1073741824
145  %2 = icmp ne i32 %1, 0
146  %3 = icmp sgt i32 %a, -1
147  %or.cond = and i1 %2, %3
148  ret i1 %or.cond
149}
150
151define i1 @test10(i32 %a) {
152; CHECK-LABEL: @test10(
153; CHECK-NEXT:    [[TMP1:%.*]] = icmp ult i32 %a, 2
154; CHECK-NEXT:    ret i1 [[TMP1]]
155;
156  %1 = and i32 %a, 2
157  %2 = icmp eq i32 %1, 0
158  %3 = icmp ult i32 %a, 4
159  %or.cond = and i1 %2, %3
160  ret i1 %or.cond
161}
162
163define i1 @test11(i32 %a) {
164; CHECK-LABEL: @test11(
165; CHECK-NEXT:    [[TMP1:%.*]] = icmp ugt i32 %a, 1
166; CHECK-NEXT:    ret i1 [[TMP1]]
167;
168  %1 = and i32 %a, 2
169  %2 = icmp ne i32 %1, 0
170  %3 = icmp ugt i32 %a, 3
171  %or.cond = or i1 %2, %3
172  ret i1 %or.cond
173}
174