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; When a function is marked `alwaysinline` and is able to be inlined,
8; we can IPO its boundaries
9
10; the function is not exactly defined, and marked alwaysinline and can be inlined,
11; so the function can be analyzed
12define linkonce void @inner1() alwaysinline {
13; CHECK: Function Attrs: alwaysinline nofree norecurse nosync nounwind readnone willreturn
14; CHECK-LABEL: define {{[^@]+}}@inner1
15; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
16; CHECK-NEXT:  entry:
17; CHECK-NEXT:    ret void
18;
19entry:
20  ret void
21}
22
23define void @outer1() {
24; CHECK: Function Attrs: nofree norecurse nosync nounwind readnone willreturn
25; CHECK-LABEL: define {{[^@]+}}@outer1
26; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
27; CHECK-NEXT:  entry:
28; CHECK-NEXT:    ret void
29;
30entry:
31  call void @inner1()
32  ret void
33}
34
35; The function is not alwaysinline and is not exactly defined
36; so it will not be analyzed
37define linkonce i32 @inner2() {
38; CHECK-LABEL: define {{[^@]+}}@inner2() {
39; CHECK-NEXT:  entry:
40; CHECK-NEXT:    ret i32 1
41;
42entry:
43  ret i32 1
44}
45
46; CHECK-NOT: Function Attrs
47define i32 @outer2() {
48; CHECK: Function Attrs: norecurse
49; CHECK-LABEL: define {{[^@]+}}@outer2
50; CHECK-SAME: () #[[ATTR2:[0-9]+]] {
51; CHECK-NEXT:  entry:
52; CHECK-NEXT:    [[R:%.*]] = call i32 @inner2() #[[ATTR3:[0-9]+]]
53; CHECK-NEXT:    ret i32 [[R]]
54;
55entry:
56  %r = call i32 @inner2() alwaysinline
57  ret i32 %r
58}
59
60; This function cannot be inlined although it is marked alwaysinline
61; it is `unexactly defined` and alwaysinline but cannot be inlined.
62; so it will not be analyzed
63define linkonce i32 @inner3(i8* %addr) alwaysinline {
64; CHECK: Function Attrs: alwaysinline
65; CHECK-LABEL: define {{[^@]+}}@inner3
66; CHECK-SAME: (i8* [[ADDR:%.*]]) #[[ATTR3]] {
67; CHECK-NEXT:  entry:
68; CHECK-NEXT:    indirectbr i8* [[ADDR]], [label [[ONE:%.*]], label %two]
69; CHECK:       one:
70; CHECK-NEXT:    ret i32 42
71; CHECK:       two:
72; CHECK-NEXT:    ret i32 44
73;
74entry:
75  indirectbr i8* %addr, [ label %one, label %two ]
76
77one:
78  ret i32 42
79
80two:
81  ret i32 44
82}
83
84define i32 @outer3(i32 %x) {
85; CHECK: Function Attrs: norecurse
86; CHECK-LABEL: define {{[^@]+}}@outer3
87; CHECK-SAME: (i32 [[X:%.*]]) #[[ATTR2]] {
88; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X]], 42
89; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[CMP]], i8* blockaddress(@inner3, [[ONE:%.*]]), i8* blockaddress(@inner3, [[TWO:%.*]])
90; CHECK-NEXT:    [[CALL:%.*]] = call i32 @inner3(i8* [[ADDR]])
91; CHECK-NEXT:    ret i32 [[CALL]]
92;
93  %cmp = icmp slt i32 %x, 42
94  %addr = select i1 %cmp, i8* blockaddress(@inner3, %one), i8* blockaddress(@inner3, %two)
95  %call = call i32 @inner3(i8* %addr)
96  ret i32 %call
97}
98;.
99; CHECK: attributes #[[ATTR0]] = { alwaysinline nofree norecurse nosync nounwind readnone willreturn }
100; CHECK: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind readnone willreturn }
101; CHECK: attributes #[[ATTR2]] = { norecurse }
102; CHECK: attributes #[[ATTR3]] = { alwaysinline }
103;.
104