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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
; Test to check both the callgraph and refgraph in summary
; RUN: opt -module-summary %s -o %t.o
; RUN: llvm-bcanalyzer -dump %t.o | FileCheck %s
; CHECK: <SOURCE_FILENAME
; "bar"
; CHECK-NEXT: <GLOBALVAR {{.*}} op0=0 op1=3
; "globalvar"
; CHECK-NEXT: <GLOBALVAR {{.*}} op0=3 op1=9
; "func"
; CHECK-NEXT: <FUNCTION op0=12 op1=4
; "func2"
; CHECK-NEXT: <FUNCTION op0=16 op1=5
; "foo"
; CHECK-NEXT: <FUNCTION op0=21 op1=3
; "func3"
; CHECK-NEXT: <FUNCTION op0=24 op1=5
; "W"
; CHECK-NEXT: <FUNCTION op0=29 op1=1
; "X"
; CHECK-NEXT: <FUNCTION op0=30 op1=1
; "Y"
; CHECK-NEXT: <FUNCTION op0=31 op1=1
; "Z"
; CHECK-NEXT: <FUNCTION op0=32 op1=1
; "llvm.ctpop.i8"
; CHECK-NEXT: <FUNCTION op0=33 op1=13
; "main"
; CHECK-NEXT: <FUNCTION op0=46 op1=4
; See if the calls and other references are recorded properly using the
; expected value id and other information as appropriate (callsite cout
; for calls). Use different linkage types for the various test cases to
; distinguish the test cases here (op1 contains the linkage type).
; Note that op3 contains the # non-call references.
; This also ensures that we didn't include a call or reference to intrinsic
; llvm.ctpop.i8.
; CHECK: <GLOBALVAL_SUMMARY_BLOCK
; Function main contains call to func, as well as address reference to func:
; op0=main op4=func op5=func
; CHECK-DAG: <PERMODULE {{.*}} op0=11 op1=0 {{.*}} op3=1 op4=2 op5=2/>
; Function W contains a call to func3 as well as a reference to globalvar:
; op0=W op4=globalvar op5=func3
; CHECK-DAG: <PERMODULE {{.*}} op0=6 op1=5 {{.*}} op3=1 op4=1 op5=5/>
; Function X contains call to foo, as well as address reference to foo
; which is in the same instruction as the call:
; op0=X op4=foo op5=foo
; CHECK-DAG: <PERMODULE {{.*}} op0=7 op1=1 {{.*}} op3=1 op4=4 op5=4/>
; Function Y contains call to func2, and ensures we don't incorrectly add
; a reference to it when reached while earlier analyzing the phi using its
; return value:
; op0=Y op4=func2
; CHECK-DAG: <PERMODULE {{.*}} op0=8 op1=8 {{.*}} op3=0 op4=3/>
; Function Z contains call to func2, and ensures we don't incorrectly add
; a reference to it when reached while analyzing subsequent use of its return
; value:
; op0=Z op4=func2
; CHECK-DAG: <PERMODULE {{.*}} op0=9 op1=3 {{.*}} op3=0 op4=3/>
; Variable bar initialization contains address reference to func:
; op0=bar op2=func
; CHECK-DAG: <PERMODULE_GLOBALVAR_INIT_REFS {{.*}} op0=0 op1=0 op2=2/>
; CHECK: </GLOBALVAL_SUMMARY_BLOCK>
; CHECK: <STRTAB_BLOCK
; CHECK-NEXT: blob data = 'barglobalvarfuncfunc2foofunc3WXYZllvm.ctpop.i8main'
; ModuleID = 'thinlto-function-summary-refgraph.ll'
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@bar = global void (...)* bitcast (void ()* @func to void (...)*), align 8
@globalvar = global i32 0, align 4
declare void @func() #0
declare i32 @func2(...) #1
declare void @foo(i8* %F) #0
declare i32 @func3(i32* dereferenceable(4)) #2
; Function Attrs: nounwind uwtable
define weak_odr void @W() #0 {
entry:
%call = tail call i32 @func3(i32* nonnull dereferenceable(4) @globalvar)
ret void
}
; Function Attrs: nounwind uwtable
define available_externally void @X() #0 {
entry:
call void @foo(i8* bitcast (void (i8*)* @foo to i8*))
ret void
}
; Function Attrs: nounwind uwtable
define private i32 @Y(i32 %i) #0 {
entry:
%cmp3 = icmp slt i32 %i, 10
br i1 %cmp3, label %while.body.preheader, label %while.end
while.body.preheader: ; preds = %entry
br label %while.body
while.body: ; preds = %while.body.preheader, %while.body
%j.05 = phi i32 [ %add, %while.body ], [ 0, %while.body.preheader ]
%i.addr.04 = phi i32 [ %inc, %while.body ], [ %i, %while.body.preheader ]
%inc = add nsw i32 %i.addr.04, 1
%call = tail call i32 (...) @func2() #2
%add = add nsw i32 %call, %j.05
%exitcond = icmp eq i32 %inc, 10
br i1 %exitcond, label %while.end.loopexit, label %while.body
while.end.loopexit: ; preds = %while.body
%add.lcssa = phi i32 [ %add, %while.body ]
br label %while.end
while.end: ; preds = %while.end.loopexit, %entry
%j.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa, %while.end.loopexit ]
ret i32 %j.0.lcssa
}
; Function Attrs: nounwind uwtable
define linkonce_odr i32 @Z() #0 {
entry:
%call = tail call i32 (...) @func2() #2
ret i32 %call
}
declare i8 @llvm.ctpop.i8(i8)
; Function Attrs: nounwind uwtable
define i32 @main() #0 {
entry:
%retval = alloca i32, align 4
%foo = alloca void (...)*, align 8
store i32 0, i32* %retval, align 4
store void (...)* bitcast (void ()* @func to void (...)*), void (...)** %foo, align 8
%0 = load void (...)*, void (...)** %foo, align 8
call void (...) %0()
call void @func()
call i8 @llvm.ctpop.i8( i8 10 )
ret i32 0
}
|
