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      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]+]]
     19 define i32 @_Z3foov() !dbg !4 {
     20 entry:
     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]+]]
     29 define linkonce_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this) align 2 !dbg !7 {
     30 entry:
     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-DAG: ![[CU1]] = distinct !DICompileUnit({{.*}} subprograms: ![[SPs1:[0-9]+]]
     44 ; CHECK-DAG: ![[CU2]] = distinct !DICompileUnit({{.*}} subprograms: ![[SPs2:[0-9]+]]
     45 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)", isOptimized: false, emissionKind: 2, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
     46 !1 = !DIFile(filename: "t1.cpp", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
     47 !2 = !{}
     48 
     49 ; Extract out each compile unit's single subprogram.  The replaced subprogram's
     50 ; function should drop to null in the first compile unit.
     51 ; CHECK-DAG: ![[SPs1]] = !{![[SP1]], ![[SP2r:[0-9]+]]}
     52 ; CHECK-DAG: ![[SPs2]] = !{![[SP2]]}
     53 !3 = !{!4, !7}
     54 !4 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !5, type: !6, variables: !2)
     55 !5 = !DIFile(filename: "t1.cpp", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
     56 !6 = !DISubroutineType(types: !2)
     57 
     58 ; Extract out the file from the replaced subprogram.
     59 ; CHECK-DAG: ![[SP2]] = distinct !DISubprogram({{.*}} file: ![[FILE:[0-9]+]],
     60 
     61 ; We can't use CHECK-NOT/CHECK-SAME with a CHECK-DAG, so rely on field order to
     62 ; prove that there's no function: here.
     63 ; CHECK-DAG: ![[SP2r]] = {{.*}}!DISubprogram({{.*}} isOptimized: false, variables:
     64 !7 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !8, scope: !9, type: !6, variables: !2)
     65 
     66 ; The new subprogram should be pointing at the new directory.
     67 ; CHECK-DAG: ![[FILE]] = !DIFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2")
     68 !8 = !DIFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
     69 !9 = !DIFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1")
     70 !10 = !{i32 2, !"Dwarf Version", i32 2}
     71 !11 = !{i32 2, !"Debug Info Version", i32 3}
     72 !12 = !{i32 1, !"PIC Level", i32 2}
     73 !13 = !{!"clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)"}
     74 !14 = !DILocation(line: 2, column: 20, scope: !4)
     75 
     76 ; The same subprogram should be pointed to by inside the !dbg reference.
     77 ; CHECK: ![[LOC]] = !DILocation(line: 2, column: 15, scope: ![[SP2]])
     78 !15 = !DILocation(line: 2, column: 15, scope: !7)
     79