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
|
; RUN: opt < %s -ipconstprop -instcombine | \
; RUN: llvm-dis | grep "ret i1 true" | count 2
define internal i32 @foo(i1 %C) {
br i1 %C, label %T, label %F
T: ; preds = %0
ret i32 52
F: ; preds = %0
ret i32 52
}
define i1 @caller(i1 %C) {
%X = call i32 @foo( i1 %C ) ; <i32> [#uses=1]
%Y = icmp ne i32 %X, 0 ; <i1> [#uses=1]
ret i1 %Y
}
define i1 @invokecaller(i1 %C) {
%X = invoke i32 @foo( i1 %C ) to label %OK unwind label %FAIL ; <i32> [#uses=1]
OK:
%Y = icmp ne i32 %X, 0 ; <i1> [#uses=1]
ret i1 %Y
FAIL:
%exn = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
cleanup
ret i1 false
}
declare i32 @__gxx_personality_v0(...)
|
