1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
2; RUN: opt -attributor -enable-new-pm=0 -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
3; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
4; RUN: opt -attributor-cgscc -enable-new-pm=0 -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
5; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
6;
7;
8;                            /---------------------------------------|
9;                            |                /----------------------|----|
10;                            |                |                /-----|    |
11;                            V                V                V     |    |
12;    void broker(int (*cb0)(int), int (*cb1)(int), int (*cb2)(int), int, int);
13;
14;    static int cb0(int zero) {
15;      return zero;
16;    }
17;    static int cb1(int unknown) {
18;      return unknown;
19;    }
20;    static int cb2(int unknown) {
21;      cb0(0);
22;      return unknown;
23;    }
24;    static int cb3(int unknown) {
25;      return unknown;
26;    }
27;    static int cb4(int unknown) {
28;      return unknown;
29;    }
30;
31;    void foo() {
32;      cb0(0);
33;      cb3(1);
34;      broker(cb0, cb1, cb0, 0, 1);
35;      broker(cb1, cb2, cb2, 0, 1);
36;      broker(cb3, cb2, cb3, 0, 1);
37;      broker(cb4, cb4, cb4, 0, 1);
38;    }
39;
40target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
41
42define internal i32 @cb0(i32 %zero) {
43; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
44; CHECK-LABEL: define {{[^@]+}}@cb0
45; CHECK-SAME: (i32 [[ZERO:%.*]]) #[[ATTR0:[0-9]+]] {
46; CHECK-NEXT:  entry:
47; CHECK-NEXT:    ret i32 0
48;
49entry:
50  ret i32 %zero
51}
52
53define internal i32 @cb1(i32 %unknown) {
54; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
55; CHECK-LABEL: define {{[^@]+}}@cb1
56; CHECK-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
57; CHECK-NEXT:  entry:
58; CHECK-NEXT:    ret i32 [[UNKNOWN]]
59;
60entry:
61  ret i32 %unknown
62}
63
64define internal i32 @cb2(i32 %unknown) {
65; IS__TUNIT____: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
66; IS__TUNIT____-LABEL: define {{[^@]+}}@cb2
67; IS__TUNIT____-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
68; IS__TUNIT____-NEXT:  entry:
69; IS__TUNIT____-NEXT:    ret i32 [[UNKNOWN]]
70;
71; IS__CGSCC____: Function Attrs: nofree nosync nounwind readnone willreturn
72; IS__CGSCC____-LABEL: define {{[^@]+}}@cb2
73; IS__CGSCC____-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR1:[0-9]+]] {
74; IS__CGSCC____-NEXT:  entry:
75; IS__CGSCC____-NEXT:    ret i32 [[UNKNOWN]]
76;
77entry:
78  %call = call i32 @cb0(i32 0)
79  ret i32 %unknown
80}
81
82define internal i32 @cb3(i32 %unknown) {
83; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
84; CHECK-LABEL: define {{[^@]+}}@cb3
85; CHECK-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
86; CHECK-NEXT:  entry:
87; CHECK-NEXT:    ret i32 [[UNKNOWN]]
88;
89entry:
90  ret i32 %unknown
91}
92
93define internal i32 @cb4(i32 %unknown) {
94; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
95; CHECK-LABEL: define {{[^@]+}}@cb4
96; CHECK-SAME: (i32 noundef [[UNKNOWN:%.*]]) #[[ATTR0]] {
97; CHECK-NEXT:  entry:
98; CHECK-NEXT:    ret i32 [[UNKNOWN]]
99;
100entry:
101  ret i32 %unknown
102}
103
104define void @foo() {
105; CHECK-LABEL: define {{[^@]+}}@foo() {
106; CHECK-NEXT:  entry:
107; CHECK-NEXT:    call void @broker(i32 (i32)* noundef nonnull @cb0, i32 (i32)* noundef nonnull @cb1, i32 (i32)* noundef nonnull @cb0, i32 noundef 0, i32 noundef 1)
108; CHECK-NEXT:    call void @broker(i32 (i32)* noundef nonnull @cb1, i32 (i32)* noundef nonnull @cb2, i32 (i32)* noundef nonnull @cb2, i32 noundef 0, i32 noundef 1)
109; CHECK-NEXT:    call void @broker(i32 (i32)* noundef nonnull @cb3, i32 (i32)* noundef nonnull @cb2, i32 (i32)* noundef nonnull @cb3, i32 noundef 0, i32 noundef 1)
110; CHECK-NEXT:    call void @broker(i32 (i32)* noundef nonnull @cb4, i32 (i32)* noundef nonnull @cb4, i32 (i32)* noundef nonnull @cb4, i32 noundef 0, i32 noundef 1)
111; CHECK-NEXT:    ret void
112;
113entry:
114  %call = call i32 @cb0(i32 0)
115  %call1 = call i32 @cb3(i32 1)
116  call void @broker(i32 (i32)* nonnull @cb0, i32 (i32)* nonnull @cb1, i32 (i32)* nonnull @cb0, i32 0, i32 1)
117  call void @broker(i32 (i32)* nonnull @cb1, i32 (i32)* nonnull @cb2, i32 (i32)* nonnull @cb2, i32 0, i32 1)
118  call void @broker(i32 (i32)* nonnull @cb3, i32 (i32)* nonnull @cb2, i32 (i32)* nonnull @cb3, i32 0, i32 1)
119  call void @broker(i32 (i32)* nonnull @cb4, i32 (i32)* nonnull @cb4, i32 (i32)* nonnull @cb4, i32 0, i32 1)
120  ret void
121}
122
123declare !callback !3 void @broker(i32 (i32)*, i32 (i32)*, i32 (i32)*, i32, i32)
124
125!0 = !{i64 0, i64 3, i1 false}
126!1 = !{i64 1, i64 4, i1 false}
127!2 = !{i64 2, i64 3, i1 false}
128!3 = !{!0, !2, !1}
129;.
130; IS__TUNIT____: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn }
131;.
132; IS__CGSCC____: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind readnone willreturn }
133; IS__CGSCC____: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
134;.
135; CHECK: [[META0:![0-9]+]] = !{!1, !2, !3}
136; CHECK: [[META1:![0-9]+]] = !{i64 0, i64 3, i1 false}
137; CHECK: [[META2:![0-9]+]] = !{i64 2, i64 3, i1 false}
138; CHECK: [[META3:![0-9]+]] = !{i64 1, i64 4, i1 false}
139;.
140