xref: /llvm-project/llvm/test/Transforms/Attributor/IPConstantProp/multiple_callbacks.ll (revision cd3a4c31bc9694d160de54c6a4daa53e152cb463) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
2; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-annotate-decl-cs  -S < %s | FileCheck %s --check-prefixes=CHECK,TUNIT
3; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
4;
5;
6;                            /---------------------------------------|
7;                            |                /----------------------|----|
8;                            |                |                /-----|    |
9;                            V                V                V     |    |
10;    void broker(int (*cb0)(int), int (*cb1)(int), int (*cb2)(int), int, int);
11;
12;    static int cb0(int zero) {
13;      return zero;
14;    }
15;    static int cb1(int unknown) {
16;      return unknown;
17;    }
18;    static int cb2(int unknown) {
19;      cb0(0);
20;      return unknown;
21;    }
22;    static int cb3(int unknown) {
23;      return unknown;
24;    }
25;    static int cb4(int unknown) {
26;      return unknown;
27;    }
28;
29;    void foo() {
30;      cb0(0);
31;      cb3(1);
32;      broker(cb0, cb1, cb0, 0, 1);
33;      broker(cb1, cb2, cb2, 0, 1);
34;      broker(cb3, cb2, cb3, 0, 1);
35;      broker(cb4, cb4, cb4, 0, 1);
36;    }
37;
38target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
39
40define internal i32 @cb0(i32 %zero) {
41; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
42; CHECK-LABEL: define {{[^@]+}}@cb0
43; CHECK-SAME: (i32 [[ZERO:%.*]]) #[[ATTR0:[0-9]+]] {
44; CHECK-NEXT:  entry:
45; CHECK-NEXT:    ret i32 0
46;
47entry:
48  ret i32 %zero
49}
50
51define internal i32 @cb1(i32 %unknown) {
52; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
53; CHECK-LABEL: define {{[^@]+}}@cb1
54; CHECK-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
55; CHECK-NEXT:  entry:
56; CHECK-NEXT:    ret i32 [[UNKNOWN]]
57;
58entry:
59  ret i32 %unknown
60}
61
62define internal i32 @cb2(i32 %unknown) {
63; TUNIT: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
64; TUNIT-LABEL: define {{[^@]+}}@cb2
65; TUNIT-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
66; TUNIT-NEXT:  entry:
67; TUNIT-NEXT:    ret i32 [[UNKNOWN]]
68;
69; CGSCC: Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
70; CGSCC-LABEL: define {{[^@]+}}@cb2
71; CGSCC-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR1:[0-9]+]] {
72; CGSCC-NEXT:  entry:
73; CGSCC-NEXT:    ret i32 [[UNKNOWN]]
74;
75entry:
76  %call = call i32 @cb0(i32 0)
77  ret i32 %unknown
78}
79
80define internal i32 @cb3(i32 %unknown) {
81; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
82; CHECK-LABEL: define {{[^@]+}}@cb3
83; CHECK-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
84; CHECK-NEXT:  entry:
85; CHECK-NEXT:    ret i32 [[UNKNOWN]]
86;
87entry:
88  ret i32 %unknown
89}
90
91define internal i32 @cb4(i32 %unknown) {
92; CHECK: Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(none)
93; CHECK-LABEL: define {{[^@]+}}@cb4
94; CHECK-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
95; CHECK-NEXT:  entry:
96; CHECK-NEXT:    ret i32 [[UNKNOWN]]
97;
98entry:
99  ret i32 %unknown
100}
101
102define void @foo() {
103; CHECK-LABEL: define {{[^@]+}}@foo() {
104; CHECK-NEXT:  entry:
105; CHECK-NEXT:    call void @broker(ptr noundef nonnull @cb0, ptr noundef nonnull @cb1, ptr noundef nonnull @cb0, i32 noundef 0, i32 noundef 1)
106; CHECK-NEXT:    call void @broker(ptr noundef nonnull @cb1, ptr noundef nonnull @cb2, ptr noundef nonnull @cb2, i32 noundef 0, i32 noundef 1)
107; CHECK-NEXT:    call void @broker(ptr noundef nonnull @cb3, ptr noundef nonnull @cb2, ptr noundef nonnull @cb3, i32 noundef 0, i32 noundef 1)
108; CHECK-NEXT:    call void @broker(ptr noundef nonnull @cb4, ptr noundef nonnull @cb4, ptr noundef nonnull @cb4, i32 noundef 0, i32 noundef 1)
109; CHECK-NEXT:    ret void
110;
111entry:
112  %call = call i32 @cb0(i32 0)
113  %call1 = call i32 @cb3(i32 1)
114  call void @broker(ptr nonnull @cb0, ptr nonnull @cb1, ptr nonnull @cb0, i32 0, i32 1)
115  call void @broker(ptr nonnull @cb1, ptr nonnull @cb2, ptr nonnull @cb2, i32 0, i32 1)
116  call void @broker(ptr nonnull @cb3, ptr nonnull @cb2, ptr nonnull @cb3, i32 0, i32 1)
117  call void @broker(ptr nonnull @cb4, ptr nonnull @cb4, ptr nonnull @cb4, i32 0, i32 1)
118  ret void
119}
120
121declare !callback !3 void @broker(ptr, ptr, ptr, i32, i32)
122
123!0 = !{i64 0, i64 3, i1 false}
124!1 = !{i64 1, i64 4, i1 false}
125!2 = !{i64 2, i64 3, i1 false}
126!3 = !{!0, !2, !1}
127;.
128; TUNIT: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
129;.
130; CGSCC: attributes #[[ATTR0]] = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) }
131; CGSCC: attributes #[[ATTR1]] = { mustprogress nofree nosync nounwind willreturn memory(none) }
132;.
133; TUNIT: [[META0:![0-9]+]] = !{[[META1:![0-9]+]], [[META2:![0-9]+]], [[META3:![0-9]+]]}
134; TUNIT: [[META1]] = !{i64 0, i64 3, i1 false}
135; TUNIT: [[META2]] = !{i64 2, i64 3, i1 false}
136; TUNIT: [[META3]] = !{i64 1, i64 4, i1 false}
137;.
138; CGSCC: [[META0:![0-9]+]] = !{[[META1:![0-9]+]], [[META2:![0-9]+]], [[META3:![0-9]+]]}
139; CGSCC: [[META1]] = !{i64 0, i64 3, i1 false}
140; CGSCC: [[META2]] = !{i64 2, i64 3, i1 false}
141; CGSCC: [[META3]] = !{i64 1, i64 4, i1 false}
142;.
143