1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
2; RUN: opt -attributor -attributor-manifest-internal -attributor-disable=false -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-disable=false -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 -attributor-manifest-internal -attributor-disable=false -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-disable=false -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
12; CHECK: Function Attrs: alwaysinline
13; CHECK-SAME: willreturn
14define linkonce void @inner1() alwaysinline {
15; CHECK-LABEL: define {{[^@]+}}@inner1()
16; CHECK-NEXT:  entry:
17; CHECK-NEXT:    ret void
18;
19entry:
20  ret void
21}
22
23; CHECK: Function Attrs:
24; CHECK-SAME: willreturn
25define void @outer1() {
26; CHECK-LABEL: define {{[^@]+}}@outer1()
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
37; CHECK-NOT: Function Attrs:
38define linkonce i32 @inner2() {
39; CHECK-LABEL: define {{[^@]+}}@inner2()
40; CHECK-NEXT:  entry:
41; CHECK-NEXT:    ret i32 1
42;
43entry:
44  ret i32 1
45}
46
47; CHECK-NOT: Function Attrs
48define i32 @outer2() {
49; CHECK-LABEL: define {{[^@]+}}@outer2()
50; CHECK-NEXT:  entry:
51; CHECK-NEXT:    [[R:%.*]] = call i32 @inner2()
52; CHECK-NEXT:    ret i32 [[R]]
53;
54entry:
55  %r = call i32 @inner2() alwaysinline
56  ret i32 %r
57}
58
59; This function cannot be inlined although it is marked alwaysinline
60; it is `unexactly defined` and alwaysinline but cannot be inlined.
61; so it will not be analyzed
62; CHECK: Function Attrs:
63; CHECK-NOT: nofree
64; CHECK-NOT: nosync
65; CHECK-NOT: nounwind
66; CHECK-NOT: readnone
67define linkonce i32 @inner3(i8* %addr) alwaysinline {
68; CHECK-LABEL: define {{[^@]+}}@inner3
69; CHECK-SAME: (i8* [[ADDR:%.*]])
70; CHECK-NEXT:  entry:
71; CHECK-NEXT:    indirectbr i8* [[ADDR]], [label [[ONE:%.*]], label %two]
72; CHECK:       one:
73; CHECK-NEXT:    ret i32 42
74; CHECK:       two:
75; CHECK-NEXT:    ret i32 44
76;
77entry:
78  indirectbr i8* %addr, [ label %one, label %two ]
79
80one:
81  ret i32 42
82
83two:
84  ret i32 44
85}
86
87; CHECK-NOT: Function Attrs:
88define i32 @outer3(i32 %x) {
89; CHECK-LABEL: define {{[^@]+}}@outer3
90; CHECK-SAME: (i32 [[X:%.*]])
91; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X]], 42
92; CHECK-NEXT:    [[ADDR:%.*]] = select i1 [[CMP]], i8* blockaddress(@inner3, [[ONE:%.*]]), i8* blockaddress(@inner3, [[TWO:%.*]])
93; CHECK-NEXT:    [[CALL:%.*]] = call i32 @inner3(i8* [[ADDR]])
94; CHECK-NEXT:    ret i32 [[CALL]]
95;
96  %cmp = icmp slt i32 %x, 42
97  %addr = select i1 %cmp, i8* blockaddress(@inner3, %one), i8* blockaddress(@inner3, %two)
98  %call = call i32 @inner3(i8* %addr)
99  ret i32 %call
100}
101