summaryrefslogtreecommitdiffstats
path: root/llvm/test/Transforms/MergeFunc/external-before-local.ll
blob: 7dcdb0153dfb89b995574b2d80965e961e95a95f (plain)
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
44
45
46
47
48
49
50
51
52
53
54
55
; RUN: opt -S -mergefunc < %s | FileCheck %s

; We should normalize to test2 rather than test1,
; because it allows us to drop test1 entirely

; CHECK-NOT: define internal void @test1() unnamed_addr
; CHECK: define void @test3() unnamed_addr
; CHECK-NEXT: call void @test2()
; CHECK-NEXT: call void @test2()
  
declare void @dummy()

define internal void @test1() unnamed_addr {
    call void @dummy()
    call void @dummy()
    ret void
}

define void @test2() unnamed_addr {
    call void @dummy()
    call void @dummy()
    ret void
}

define void @test3() unnamed_addr {
    call void @test1()
    call void @test2()
    ret void
}

; We should normalize to the existing test6 rather than
; to a new anonymous strong backing function

; CHECK: define weak void @test5()
; CHECK-NEXT: tail call void @test6()
; CHECK: define weak void @test4()
; CHECK-NEXT: tail call void @test6()

declare void @dummy2()
  
define weak void @test4() {
    call void @dummy2()
    call void @dummy2()
    ret void
}
define weak void @test5() {
    call void @dummy2()
    call void @dummy2()
    ret void
}
define void @test6() {
    call void @dummy2()
    call void @dummy2()
    ret void
}
OpenPOWER on IntegriCloud