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
|
; RUN: opt < %s -callsite-splitting -inline -instcombine -jump-threading -S | FileCheck %s
; RUN: opt < %s -passes='function(callsite-splitting),cgscc(inline),function(instcombine,jump-threading)' -S | FileCheck %s
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-linaro-linux-gnueabi"
%struct.bitmap = type { i32, %struct.bitmap* }
;CHECK-LABEL: @caller
;CHECK-LABEL: NextCond:
;CHECK: br {{.*}} label %callee.exit
;CHECK-LABEL: CallSiteBB.predBB1.split:
;CHECK: call void @callee(%struct.bitmap* null, %struct.bitmap* null, %struct.bitmap* %b_elt, i1 false)
;CHECK-LABEL: callee.exit:
;CHECK: call void @dummy2(%struct.bitmap* %a_elt)
define void @caller(i1 %c, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt) {
entry:
br label %Top
Top:
%tobool1 = icmp eq %struct.bitmap* %a_elt, null
br i1 %tobool1, label %CallSiteBB, label %NextCond
NextCond:
%cmp = icmp ne %struct.bitmap* %b_elt, null
br i1 %cmp, label %CallSiteBB, label %End
CallSiteBB:
%p = phi i1 [0, %Top], [%c, %NextCond]
call void @callee(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, i1 %p)
br label %End
End:
ret void
}
define void @callee(%struct.bitmap* %dst_elt, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, i1 %c) {
entry:
%tobool = icmp ne %struct.bitmap* %a_elt, null
%tobool1 = icmp ne %struct.bitmap* %b_elt, null
%or.cond = and i1 %tobool, %tobool1
br i1 %or.cond, label %Cond, label %Big
Cond:
%cmp = icmp eq %struct.bitmap* %dst_elt, %a_elt
br i1 %cmp, label %Small, label %Big
Small:
call void @dummy2(%struct.bitmap* %a_elt)
br label %End
Big:
call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
call void @dummy1(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %a_elt)
br label %End
End:
ret void
}
declare void @dummy2(%struct.bitmap*)
declare void @dummy1(%struct.bitmap*, %struct.bitmap*, %struct.bitmap*, %struct.bitmap*, %struct.bitmap*, %struct.bitmap*)
;CHECK-LABEL: @caller2
;CHECK-LABEL: CallSiteBB.predBB1.split:
;CHECK: call void @dummy4()
;CHECK-LABEL: CallSiteBB.predBB2.split:
;CHECK: call void @dummy3()
;CheCK-LABEL: CallSiteBB:
;CHECK: %phi.call = phi i1 [ false, %CallSiteBB.predBB1.split ], [ true, %CallSiteBB.predBB2.split ]
;CHECK: call void @foo(i1 %phi.call)
define void @caller2(i1 %c, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, %struct.bitmap* %c_elt) {
entry:
br label %Top
Top:
%tobool1 = icmp eq %struct.bitmap* %a_elt, %b_elt
br i1 %tobool1, label %CallSiteBB, label %NextCond
NextCond:
%cmp = icmp ne %struct.bitmap* %b_elt, %c_elt
br i1 %cmp, label %CallSiteBB, label %End
CallSiteBB:
%phi = phi i1 [0, %Top],[1, %NextCond]
%u = call i1 @callee2(i1 %phi)
call void @foo(i1 %u)
br label %End
End:
ret void
}
define i1 @callee2(i1 %b) {
entry:
br i1 %b, label %BB1, label %BB2
BB1:
call void @dummy3()
br label %End
BB2:
call void @dummy4()
br label %End
End:
ret i1 %b
}
declare void @dummy3()
declare void @dummy4()
declare void @foo(i1)
|
