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 define i32 @_Z3foov() { 19 entry: 20 %tmp = alloca %struct.Class, align 1 21 %call = call i32 @_ZN5ClassIiE3fooEv(%struct.Class* %tmp), !dbg !14 22 ret i32 %call, !dbg !14 23 } 24 25 ; CHECK: define weak_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this){{.*}}{ 26 ; CHECK-NOT: } 27 ; CHECK: !dbg ![[LOC:[0-9]+]] 28 define linkonce_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this) align 2 { 29 entry: 30 %this.addr = alloca %struct.Class*, align 8 31 store %struct.Class* %this, %struct.Class** %this.addr, align 8 32 %this1 = load %struct.Class*, %struct.Class** %this.addr 33 ret i32 0, !dbg !15 34 } 35 36 ; CHECK: !llvm.dbg.cu = !{![[CU1:[0-9]+]], ![[CU2:[0-9]+]]} 37 !llvm.dbg.cu = !{!0} 38 !llvm.module.flags = !{!10, !11, !12} 39 !llvm.ident = !{!13} 40 41 ; Extract out the list of subprograms from each compile unit. 42 ; CHECK-DAG: ![[CU1]] = !MDCompileUnit({{.*}} subprograms: ![[SPs1:[0-9]+]] 43 ; CHECK-DAG: ![[CU2]] = !MDCompileUnit({{.*}} subprograms: ![[SPs2:[0-9]+]] 44 !0 = !MDCompileUnit(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) 45 !1 = !MDFile(filename: "t1.cpp", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1") 46 !2 = !{} 47 48 ; Extract out each compile unit's single subprogram. The replaced subprogram's 49 ; function should drop to null in the first compile unit. 50 ; CHECK-DAG: ![[SPs1]] = !{![[SP1:[0-9]+]], ![[SP2r:[0-9]+]]} 51 ; CHECK-DAG: ![[SPs2]] = !{![[SP2:[0-9]+]]} 52 !3 = !{!4, !7} 53 !4 = !MDSubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !5, type: !6, function: i32 ()* @_Z3foov, variables: !2) 54 !5 = !MDFile(filename: "t1.cpp", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1") 55 !6 = !MDSubroutineType(types: !2) 56 57 ; Extract out the file from the replaced subprogram. Confirm that each 58 ; subprogram is pointing at the correct function. 59 ; CHECK-DAG: ![[SP1]] = !MDSubprogram({{.*}} function: i32 ()* @_Z3foov 60 ; CHECK-DAG: ![[SP2]] = !MDSubprogram({{.*}} file: ![[FILE:[0-9]+]],{{.*}} function: i32 (%struct.Class*)* @_ZN5ClassIiE3fooEv 61 62 ; We can't use CHECK-NOT/CHECK-SAME with a CHECK-DAG, so rely on field order to 63 ; prove that there's no function: here. 64 ; CHECK-DAG: ![[SP2r]] = {{.*}}!MDSubprogram({{.*}} isOptimized: false, variables: 65 !7 = !MDSubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !8, scope: !9, type: !6, function: i32 (%struct.Class*)* @_ZN5ClassIiE3fooEv, variables: !2) 66 67 ; The new subprogram should be pointing at the new directory. 68 ; CHECK-DAG: ![[FILE]] = !MDFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2") 69 !8 = !MDFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1") 70 !9 = !MDFile(filename: "../t.h", directory: "/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1") 71 !10 = !{i32 2, !"Dwarf Version", i32 2} 72 !11 = !{i32 2, !"Debug Info Version", i32 3} 73 !12 = !{i32 1, !"PIC Level", i32 2} 74 !13 = !{!"clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)"} 75 !14 = !MDLocation(line: 2, column: 20, scope: !4) 76 77 ; The same subprogram should be pointed to by inside the !dbg reference. 78 ; CHECK: ![[LOC]] = !MDLocation(line: 2, column: 15, scope: ![[SP2]]) 79 !15 = !MDLocation(line: 2, column: 15, scope: !7) 80
