1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals
; 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,TUNIT
; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,CGSCC
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define i64 @fn2() {
;
; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@fn2
; TUNIT-SAME: () #[[ATTR0:[0-9]+]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: ret i64 undef
;
; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@fn2
; CGSCC-SAME: () #[[ATTR0:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[CONV:%.*]] = sext i32 undef to i64
; CGSCC-NEXT: [[DIV:%.*]] = sdiv i64 8, [[CONV]]
; CGSCC-NEXT: [[CALL2:%.*]] = call i64 @fn1(i64 [[DIV]]) #[[ATTR2:[0-9]+]]
; CGSCC-NEXT: ret i64 [[CALL2]]
;
entry:
%conv = sext i32 undef to i64
%div = sdiv i64 8, %conv
%call2 = call i64 @fn1(i64 %div)
ret i64 %call2
}
define i64 @fn2b(i32 %arg) {
;
; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@fn2b
; TUNIT-SAME: (i32 [[ARG:%.*]]) #[[ATTR0]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: [[CONV:%.*]] = sext i32 [[ARG]] to i64
; TUNIT-NEXT: [[DIV:%.*]] = sdiv i64 8, [[CONV]]
; TUNIT-NEXT: ret i64 [[DIV]]
;
; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@fn2b
; CGSCC-SAME: (i32 [[ARG:%.*]]) #[[ATTR0]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[CONV:%.*]] = sext i32 [[ARG]] to i64
; CGSCC-NEXT: [[DIV:%.*]] = sdiv i64 8, [[CONV]]
; CGSCC-NEXT: [[CALL2:%.*]] = call i64 @fn1(i64 [[DIV]]) #[[ATTR2]]
; CGSCC-NEXT: ret i64 [[CALL2]]
;
entry:
%conv = sext i32 %arg to i64
%div = sdiv i64 8, %conv
%call2 = call i64 @fn1(i64 %div)
ret i64 %call2
}
define i64 @fn2c() {
; TUNIT: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; TUNIT-LABEL: define {{[^@]+}}@fn2c
; TUNIT-SAME: () #[[ATTR0]] {
; TUNIT-NEXT: entry:
; TUNIT-NEXT: ret i64 42
;
; CGSCC: Function Attrs: nofree nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@fn2c
; CGSCC-SAME: () #[[ATTR0]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: [[CONV:%.*]] = sext i32 undef to i64
; CGSCC-NEXT: [[ADD:%.*]] = add i64 42, [[CONV]]
; CGSCC-NEXT: [[CALL2:%.*]] = call i64 @fn1(i64 [[ADD]]) #[[ATTR2]]
; CGSCC-NEXT: ret i64 [[CALL2]]
;
entry:
%conv = sext i32 undef to i64
%add = add i64 42, %conv
%call2 = call i64 @fn1(i64 %add)
ret i64 %call2
}
define internal i64 @fn1(i64 %p1) {
; CGSCC: Function Attrs: nofree norecurse nosync nounwind willreturn memory(none)
; CGSCC-LABEL: define {{[^@]+}}@fn1
; CGSCC-SAME: (i64 returned [[P1:%.*]]) #[[ATTR1:[0-9]+]] {
; CGSCC-NEXT: entry:
; CGSCC-NEXT: ret i64 [[P1]]
;
entry:
%tobool = icmp ne i64 %p1, 0
%cond = select i1 %tobool, i64 %p1, i64 %p1
ret i64 %cond
}
;.
; TUNIT: attributes #[[ATTR0]] = { nofree norecurse nosync nounwind willreturn memory(none) }
;.
; CGSCC: attributes #[[ATTR0]] = { nofree nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR1]] = { nofree norecurse nosync nounwind willreturn memory(none) }
; CGSCC: attributes #[[ATTR2]] = { willreturn }
;.
;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
; CHECK: {{.*}}
|
