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
|
; RUN: opt < %s -tailcallelim -S | FileCheck %s
define i32 @f_1(i32 %x) {
; CHECK-LABEL: @f_1(
wentry:
%cond = icmp ugt i32 %x, 0
br i1 %cond, label %return, label %body
body:
; CHECK: body:
; CHECK: call i32 @f_1(i32 %y) [ "deopt"() ]
%y = add i32 %x, 1
%tmp = call i32 @f_1(i32 %y) [ "deopt"() ]
ret i32 0
return:
ret i32 1
}
define i32 @f_2(i32 %x) {
; CHECK-LABEL: @f_2
entry:
%cond = icmp ugt i32 %x, 0
br i1 %cond, label %return, label %body
body:
; CHECK: body:
; CHECK: call i32 @f_2(i32 %y) [ "unknown"() ]
%y = add i32 %x, 1
%tmp = call i32 @f_2(i32 %y) [ "unknown"() ]
ret i32 0
return:
ret i32 1
}
declare void @func()
define void @f_3(i1 %B) personality i8 42 {
; CHECK-LABEL: @f_3(
entry:
invoke void @func()
to label %exit unwind label %merge
merge:
%cs1 = catchswitch within none [label %catch] unwind to caller
catch:
; CHECK: catch:
; CHECK: call void @f_3(i1 %B) [ "funclet"(token %cp) ]
%cp = catchpad within %cs1 []
call void @f_3(i1 %B) [ "funclet"(token %cp) ]
ret void
exit:
ret void
}
|
