1; RUN: llvm-link %s %S/Inputs/replaced-function-matches-first-subprogram.ll -S | FileCheck %s
2
3; Generated from C++ source:
4;
5; // repro/t.h
6; template <class T> struct Class {
7;   int foo() { return 0; }
8; };
9; // repro/d1/t1.cpp
10; #include "t.h"
11; int foo() { return Class<int>().foo(); }
12; // repro/d2/t2.cpp
13; #include "t.h"
14; template struct Class<int>;
15
16%struct.Class = type { i8 }
17
18; CHECK: define i32 @_Z3foov(){{.*}} !dbg ![[SP1:[0-9]+]]
19define i32 @_Z3foov() !dbg !4 {
20entry:
21  %tmp = alloca %struct.Class, align 1
22  %call = call i32 @_ZN5ClassIiE3fooEv(%struct.Class* %tmp), !dbg !14
23  ret i32 %call, !dbg !14
24}
25
26; CHECK: define weak_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this){{.*}} !dbg ![[SP2:[0-9]+]] {
27; CHECK-NOT: }
28; CHECK: !dbg ![[LOC:[0-9]+]]
29define linkonce_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this) align 2 !dbg !7 {
30entry:
31  %this.addr = alloca %struct.Class*, align 8
32  store %struct.Class* %this, %struct.Class** %this.addr, align 8
33  %this1 = load %struct.Class*, %struct.Class** %this.addr
34  ret i32 0, !dbg !15
35}
36
37; CHECK: !llvm.dbg.cu = !{![[CU1:[0-9]+]], ![[CU2:[0-9]+]]}
38!llvm.dbg.cu = !{!0}
39!llvm.module.flags = !{!10, !11, !12}
40!llvm.ident = !{!13}
41
42; Extract out the list of subprograms from each compile unit.
43; CHECK: ![[CU1:[0-9]+]] = distinct !DICompileUnit(
44; CHECK: ![[CU2:[0-9]+]] = distinct !DICompileUnit(
45!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
46!1 = !DIFile(filename: "t1.cpp", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
47!2 = !{}
48!4 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, variables: !2)
49!5 = !DIFile(filename: "t1.cpp", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
50!6 = !DISubroutineType(types: !2)
51
52; Extract out the file from the replaced subprogram.
53; CHECK-DAG: ![[SP2:.*]] = distinct !DISubprogram({{.*}} file: ![[FILE:[0-9]+]],{{.*}}, unit: ![[CU2]]
54
55; We can't use CHECK-NOT/CHECK-SAME with a CHECK-DAG, so rely on field order to
56; prove that there's no function: here.
57; CHECK-DAG: ![[SP2r:.*]] = {{.*}}!DISubprogram({{.*}} isOptimized: false, unit: ![[CU1]], variables:
58!7 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !8, scope: !9, type: !6, variables: !2)
59
60; The new subprogram should be pointing at the new directory.
61; CHECK-DAG: ![[FILE]] = !DIFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2")
62!8 = !DIFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
63!9 = !DIFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
64!10 = !{i32 2, !"Dwarf Version", i32 2}
65!11 = !{i32 2, !"Debug Info Version", i32 3}
66!12 = !{i32 1, !"PIC Level", i32 2}
67!13 = !{!"clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)"}
68!14 = !DILocation(line: 2, column: 20, scope: !4)
69
70; The same subprogram should be pointed to by inside the !dbg reference.
71; CHECK: ![[LOC]] = !DILocation(line: 2, column: 15, scope: ![[SP2]])
72!15 = !DILocation(line: 2, column: 15, scope: !7)
73