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
|
; RUN: opt -S -simplifycfg < %s | FileCheck %s
; Don't remove invokes of nounwind functions if the personality handles async
; exceptions. The @div function in this test can fault, even though it can't
; throw a synchronous exception.
define i32 @div(i32 %n, i32 %d) nounwind {
entry:
%div = sdiv i32 %n, %d
ret i32 %div
}
define i32 @main() nounwind personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
entry:
%call = invoke i32 @div(i32 10, i32 0)
to label %__try.cont unwind label %lpad
lpad:
%0 = landingpad { i8*, i32 }
catch i8* null
br label %__try.cont
__try.cont:
%retval.0 = phi i32 [ %call, %entry ], [ 0, %lpad ]
ret i32 %retval.0
}
; CHECK-LABEL: define i32 @main()
; CHECK: invoke i32 @div(i32 10, i32 0)
declare i32 @__C_specific_handler(...)
|
