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