xref: /llvm-project/llvm/test/Transforms/MergeFunc/external-before-local.ll (revision f38f99bd7671cee44c2a6a751fcab8685dbc3996) 
1; RUN: opt -S -passes=mergefunc < %s | FileCheck %s
2
3; We should normalize to test2 rather than test1,
4; because it allows us to drop test1 entirely
5
6; CHECK-NOT: define internal void @test1() unnamed_addr
7; CHECK: define void @test3() unnamed_addr
8; CHECK-NEXT: call void @test2()
9; CHECK-NEXT: call void @test2()
10
11declare void @dummy()
12
13define internal void @test1() unnamed_addr {
14    call void @dummy()
15    call void @dummy()
16    ret void
17}
18
19define void @test2() unnamed_addr {
20    call void @dummy()
21    call void @dummy()
22    ret void
23}
24
25define void @test3() unnamed_addr {
26    call void @test1()
27    call void @test2()
28    ret void
29}
30
31; We should normalize to the existing test6 rather than
32; to a new anonymous strong backing function
33
34; CHECK: define weak void @test5()
35; CHECK-NEXT: tail call void @test6()
36; CHECK: define weak void @test4()
37; CHECK-NEXT: tail call void @test6()
38
39declare void @dummy2()
40
41define weak void @test4() {
42    call void @dummy2()
43    call void @dummy2()
44    ret void
45}
46define weak void @test5() {
47    call void @dummy2()
48    call void @dummy2()
49    ret void
50}
51define void @test6() {
52    call void @dummy2()
53    call void @dummy2()
54    ret void
55}
56