xref: /llvm-project/llvm/test/Transforms/Inline/devirtualize-2.ll (revision 151602c7a9935558ca671b35359989b261045db0) 
1; RUN: opt < %s -passes='cgscc(devirt<4>(inline))' -S | FileCheck %s
2; PR4834
3
4define i32 @test1() {
5  %funcall1_ = call fastcc ptr () @f1()
6  %executecommandptr1_ = call i32 %funcall1_()
7  ret i32 %executecommandptr1_
8}
9
10define internal fastcc ptr @f1() nounwind readnone {
11  ret ptr @f2
12}
13
14define internal i32 @f2() nounwind readnone {
15  ret i32 1
16}
17
18; CHECK: @test1()
19; CHECK-NEXT: ret i32 1
20
21
22
23
24
25declare ptr @f1a(ptr) ssp align 2
26
27define internal i32 @f2a(ptr %t) inlinehint ssp {
28entry:
29  ret i32 41
30}
31
32define internal i32 @f3a(ptr %__f) ssp {
33entry:
34  %A = call i32 %__f(ptr undef)
35  ret i32 %A
36}
37
38define i32 @test2(ptr %this) ssp align 2 {
39  %X = call i32 @f3a(ptr @f2a) ssp
40  ret i32 %X
41}
42
43; CHECK-LABEL: @test2(
44; CHECK-NEXT: ret i32 41
45