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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -constraint-elimination -S %s | FileCheck %s
3
4declare void @use(i1)
5
6define i32 @test_or_ule(i32 %x, i32 %y, i32 %z, i32 %a) {
7; CHECK-LABEL: @test_or_ule(
8; CHECK-NEXT:  entry:
9; CHECK-NEXT:    [[C_1:%.*]] = icmp ule i32 [[X:%.*]], [[Y:%.*]]
10; CHECK-NEXT:    [[C_2:%.*]] = icmp ule i32 [[Y]], [[Z:%.*]]
11; CHECK-NEXT:    [[OR:%.*]] = or i1 [[C_1]], [[C_2]]
12; CHECK-NEXT:    br i1 [[OR]], label [[BB1:%.*]], label [[EXIT:%.*]]
13; CHECK:       bb1:
14; CHECK-NEXT:    [[C_3:%.*]] = icmp ule i32 [[X]], [[Z]]
15; CHECK-NEXT:    call void @use(i1 [[C_3]])
16; CHECK-NEXT:    [[C_4:%.*]] = icmp ule i32 [[X]], [[A:%.*]]
17; CHECK-NEXT:    call void @use(i1 [[C_4]])
18; CHECK-NEXT:    ret i32 10
19; CHECK:       exit:
20; CHECK-NEXT:    [[F_1:%.*]] = icmp ule i32 [[X]], [[Z]]
21; CHECK-NEXT:    call void @use(i1 false)
22; CHECK-NEXT:    [[C_5:%.*]] = icmp ule i32 [[X]], [[A]]
23; CHECK-NEXT:    call void @use(i1 [[C_5]])
24; CHECK-NEXT:    [[T_1:%.*]] = icmp ugt i32 [[Y]], [[Z]]
25; CHECK-NEXT:    call void @use(i1 true)
26; CHECK-NEXT:    [[T_2:%.*]] = icmp ugt i32 [[X]], [[Y]]
27; CHECK-NEXT:    call void @use(i1 true)
28; CHECK-NEXT:    [[T_3:%.*]] = icmp ugt i32 [[X]], [[Z]]
29; CHECK-NEXT:    call void @use(i1 true)
30; CHECK-NEXT:    ret i32 20
31;
32entry:
33  %c.1 = icmp ule i32 %x, %y
34  %c.2 = icmp ule i32 %y, %z
35  %or = or i1 %c.1, %c.2
36  br i1 %or, label %bb1, label %exit
37
38bb1:
39  %c.3 = icmp ule i32 %x, %z
40  call void @use(i1 %c.3)
41
42  %c.4 = icmp ule i32 %x, %a
43  call void @use(i1 %c.4)
44
45  ret i32 10
46
47exit:
48  %f.1 = icmp ule i32 %x, %z
49  call void @use(i1 %f.1)
50
51  %c.5 = icmp ule i32 %x, %a
52  call void @use(i1 %c.5)
53
54  %t.1 = icmp ugt i32 %y, %z
55  call void @use(i1 %t.1)
56
57  %t.2 = icmp ugt i32 %x, %y
58  call void @use(i1 %t.2)
59
60  %t.3 = icmp ugt i32 %x, %z
61  call void @use(i1 %t.3)
62
63  ret i32 20
64}
65