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
|
; RUN: opt -mergefunc -S < %s | FileCheck %s
define i8 @call_with_range() {
bitcast i8 0 to i8 ; dummy to make the function large enough
%out = call i8 @dummy(), !range !0
ret i8 %out
}
define i8 @call_no_range() {
; CHECK-LABEL: @call_no_range
; CHECK-NEXT: bitcast i8 0 to i8
; CHECK-NEXT: %out = call i8 @dummy()
; CHECK-NEXT: ret i8 %out
bitcast i8 0 to i8
%out = call i8 @dummy()
ret i8 %out
}
define i8 @call_different_range() {
; CHECK-LABEL: @call_different_range
; CHECK-NEXT: bitcast i8 0 to i8
; CHECK-NEXT: %out = call i8 @dummy(), !range !1
; CHECK-NEXT: ret i8 %out
bitcast i8 0 to i8
%out = call i8 @dummy(), !range !1
ret i8 %out
}
define i8 @invoke_with_range() {
%out = invoke i8 @dummy() to label %next unwind label %lpad, !range !0
next:
ret i8 %out
lpad:
%pad = landingpad { i8*, i32 } personality i8* undef cleanup
resume { i8*, i32 } zeroinitializer
}
define i8 @invoke_no_range() {
; CHECK-LABEL: @invoke_no_range()
; CHECK-NEXT: invoke i8 @dummy
%out = invoke i8 @dummy() to label %next unwind label %lpad
next:
ret i8 %out
lpad:
%pad = landingpad { i8*, i32 } personality i8* undef cleanup
resume { i8*, i32 } zeroinitializer
}
define i8 @invoke_different_range() {
; CHECK-LABEL: @invoke_different_range()
; CHECK-NEXT: invoke i8 @dummy
%out = invoke i8 @dummy() to label %next unwind label %lpad, !range !1
next:
ret i8 %out
lpad:
%pad = landingpad { i8*, i32 } personality i8* undef cleanup
resume { i8*, i32 } zeroinitializer
}
define i8 @call_same_range() {
; CHECK-LABEL: @call_same_range
; CHECK: tail call i8 @call_with_range
bitcast i8 0 to i8
%out = call i8 @dummy(), !range !0
ret i8 %out
}
define i8 @invoke_same_range() {
; CHECK-LABEL: @invoke_same_range()
; CHECK: tail call i8 @invoke_with_range()
%out = invoke i8 @dummy() to label %next unwind label %lpad, !range !0
next:
ret i8 %out
lpad:
%pad = landingpad { i8*, i32 } personality i8* undef cleanup
resume { i8*, i32 } zeroinitializer
}
declare i8 @dummy();
declare i32 @__gxx_personality_v0(...)
!0 = metadata !{i8 0, i8 2}
!1 = metadata !{i8 5, i8 7}
|
