1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -instsimplify -S | FileCheck %s
3
4declare void @llvm.assume(i1)
5declare void @use(i1)
6
7define void @basic_ugt(i32 %x, i32 %y) {
8; CHECK-LABEL: @basic_ugt(
9; CHECK-NEXT:    [[CMP1:%.*]] = icmp ugt i32 [[X:%.*]], [[Y:%.*]]
10; CHECK-NEXT:    call void @llvm.assume(i1 [[CMP1]])
11; CHECK-NEXT:    call void @use(i1 true)
12; CHECK-NEXT:    call void @use(i1 true)
13; CHECK-NEXT:    call void @use(i1 false)
14; CHECK-NEXT:    call void @use(i1 false)
15; CHECK-NEXT:    call void @use(i1 false)
16; CHECK-NEXT:    call void @use(i1 false)
17; CHECK-NEXT:    call void @use(i1 true)
18; CHECK-NEXT:    call void @use(i1 true)
19; CHECK-NEXT:    ret void
20;
21  %cmp1 = icmp ugt i32 %x, %y
22  call void @llvm.assume(i1 %cmp1)
23
24  %cmp2 = icmp ugt i32 %x, %y
25  call void @use(i1 %cmp2)
26  %cmp3 = icmp uge i32 %x, %y
27  call void @use(i1 %cmp3)
28  %cmp4 = icmp ult i32 %x, %y
29  call void @use(i1 %cmp4)
30  %cmp5 = icmp ule i32 %x, %y
31  call void @use(i1 %cmp5)
32
33  %cmp6 = icmp ugt i32 %y, %x
34  call void @use(i1 %cmp6)
35  %cmp7 = icmp uge i32 %y, %x
36  call void @use(i1 %cmp7)
37  %cmp8 = icmp ult i32 %y, %x
38  call void @use(i1 %cmp8)
39  %cmp9 = icmp ule i32 %y, %x
40  call void @use(i1 %cmp9)
41
42  ret void
43}
44
45define void @basic_uge(i32 %x, i32 %y) {
46; CHECK-LABEL: @basic_uge(
47; CHECK-NEXT:    [[CMP1:%.*]] = icmp uge i32 [[X:%.*]], [[Y:%.*]]
48; CHECK-NEXT:    call void @llvm.assume(i1 [[CMP1]])
49; CHECK-NEXT:    [[CMP2:%.*]] = icmp ugt i32 [[X]], [[Y]]
50; CHECK-NEXT:    call void @use(i1 [[CMP2]])
51; CHECK-NEXT:    call void @use(i1 true)
52; CHECK-NEXT:    call void @use(i1 false)
53; CHECK-NEXT:    [[CMP5:%.*]] = icmp ule i32 [[X]], [[Y]]
54; CHECK-NEXT:    call void @use(i1 [[CMP5]])
55; CHECK-NEXT:    call void @use(i1 false)
56; CHECK-NEXT:    [[CMP7:%.*]] = icmp uge i32 [[Y]], [[X]]
57; CHECK-NEXT:    call void @use(i1 [[CMP7]])
58; CHECK-NEXT:    [[CMP8:%.*]] = icmp ult i32 [[Y]], [[X]]
59; CHECK-NEXT:    call void @use(i1 [[CMP8]])
60; CHECK-NEXT:    call void @use(i1 true)
61; CHECK-NEXT:    ret void
62;
63  %cmp1 = icmp uge i32 %x, %y
64  call void @llvm.assume(i1 %cmp1)
65
66  %cmp2 = icmp ugt i32 %x, %y
67  call void @use(i1 %cmp2)
68  %cmp3 = icmp uge i32 %x, %y
69  call void @use(i1 %cmp3)
70  %cmp4 = icmp ult i32 %x, %y
71  call void @use(i1 %cmp4)
72  %cmp5 = icmp ule i32 %x, %y
73  call void @use(i1 %cmp5)
74
75  %cmp6 = icmp ugt i32 %y, %x
76  call void @use(i1 %cmp6)
77  %cmp7 = icmp uge i32 %y, %x
78  call void @use(i1 %cmp7)
79  %cmp8 = icmp ult i32 %y, %x
80  call void @use(i1 %cmp8)
81  %cmp9 = icmp ule i32 %y, %x
82  call void @use(i1 %cmp9)
83
84  ret void
85}
86
87; This does not simplify in InstSimplify, because AssumptionCache tracker
88; does not track values through "and". The "and" assume will be broken
89; down into two separate assume calls by InstCombine.
90define void @and(i32 %x, i32 %y, i32 %z) {
91; CHECK-LABEL: @and(
92; CHECK-NEXT:    [[CMP1:%.*]] = icmp ugt i32 [[X:%.*]], [[Y:%.*]]
93; CHECK-NEXT:    [[CMP2:%.*]] = icmp ugt i32 [[Z:%.*]], [[Y]]
94; CHECK-NEXT:    [[AND:%.*]] = and i1 [[CMP1]], [[CMP2]]
95; CHECK-NEXT:    call void @llvm.assume(i1 [[AND]])
96; CHECK-NEXT:    [[CMP3:%.*]] = icmp ugt i32 [[X]], [[Y]]
97; CHECK-NEXT:    call void @use(i1 [[CMP3]])
98; CHECK-NEXT:    [[CMP4:%.*]] = icmp uge i32 [[X]], [[Y]]
99; CHECK-NEXT:    call void @use(i1 [[CMP4]])
100; CHECK-NEXT:    [[CMP5:%.*]] = icmp ugt i32 [[Z]], [[Y]]
101; CHECK-NEXT:    call void @use(i1 [[CMP5]])
102; CHECK-NEXT:    [[CMP6:%.*]] = icmp uge i32 [[Z]], [[Y]]
103; CHECK-NEXT:    call void @use(i1 [[CMP6]])
104; CHECK-NEXT:    ret void
105;
106  %cmp1 = icmp ugt i32 %x, %y
107  %cmp2 = icmp ugt i32 %z, %y
108  %and = and i1 %cmp1, %cmp2
109  call void @llvm.assume(i1 %and)
110
111  %cmp3 = icmp ugt i32 %x, %y
112  call void @use(i1 %cmp3)
113  %cmp4 = icmp uge i32 %x, %y
114  call void @use(i1 %cmp4)
115  %cmp5 = icmp ugt i32 %z, %y
116  call void @use(i1 %cmp5)
117  %cmp6 = icmp uge i32 %z, %y
118  call void @use(i1 %cmp6)
119
120  ret void
121}
122