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
|
; RUN: opt < %s -ipsccp -S | FileCheck %s
; CHECK-LABEL: @testf(
; CHECK: ret i32 undef
;
define internal i32 @testf() {
entry:
br i1 undef, label %if.then, label %if.end
if.then: ; preds = %entry, %if.then
br label %if.end
if.end: ; preds = %if.then1, %entry
ret i32 10
}
; CHECK-LABEL: @test1(
; CHECK: ret i32 undef
;
define internal i32 @test1() {
entry:
br label %if.then
if.then: ; preds = %entry, %if.then
%call = call i32 @testf()
%res = icmp eq i32 %call, 10
br i1 %res, label %ret1, label %ret2
ret1: ; preds = %if.then, %entry
ret i32 99
ret2: ; preds = %if.then, %entry
ret i32 0
}
; CHECK-LABEL: @main(
; CHECK-NEXT: %res = call i32 @test1()
; CHECK-NEXT: ret i32 99
;
define i32 @main() {
%res = call i32 @test1()
ret i32 %res
}
|
