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 18define i32 @_Z3foov() { 19entry: 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]+]] 28define linkonce_odr i32 @_ZN5ClassIiE3fooEv(%struct.Class* %this) align 2 { 29entry: 30 %this.addr = alloca %struct.Class*, align 8 31 store %struct.Class* %this, %struct.Class** %this.addr, align 8 32 %this1 = load %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]] = !{!"0x11{{[^"]+}}", {{[^,]+}}, {{[^,]+}}, {{[^,]+}}, ![[SPs1:[0-9]+]], 43; CHECK-DAG: ![[CU2]] = !{!"0x11{{[^"]+}}", {{[^,]+}}, {{[^,]+}}, {{[^,]+}}, ![[SPs2:[0-9]+]], 44!0 = !{!"0x11\004\00clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)\000\00\000\00\002", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1/t1.cpp] [DW_LANG_C_plus_plus] 45!1 = !{!"t1.cpp", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1"} 46!2 = !{} 47 48; Extract out each compile unit's single subprogram. The replaced subprogram 49; should be dropped by the first compile unit. 50; CHECK-DAG: ![[SPs1]] = !{![[SP1:[0-9]+]]} 51; CHECK-DAG: ![[SPs2]] = !{![[SP2:[0-9]+]]} 52!3 = !{!4, !7} 53!4 = !{!"0x2e\00foo\00foo\00\002\000\001\000\000\00256\000\002", !1, !5, !6, null, i32 ()* @_Z3foov, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [foo] 54!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1/t1.cpp] 55!6 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 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]] = !{!"0x2e{{[^"]+}}", {{.*}}, i32 ()* @_Z3foov, 60; CHECK-DAG: ![[SP2]] = !{!"0x2e{{[^"]+}}", ![[FILE:[0-9]+]], {{.*}}, i32 (%struct.Class*)* @_ZN5ClassIiE3fooEv, 61!7 = !{!"0x2e\00foo\00foo\00\002\000\001\000\000\00256\000\002", !8, !9, !6, null, i32 (%struct.Class*)* @_ZN5ClassIiE3fooEv, null, null, !2} ; [ DW_TAG_subprogram ] [line 2] [def] [foo] 62 63; The new subprogram should be pointing at the new directory. 64; CHECK-DAG: ![[FILE]] = !{!"../t.h", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d2"} 65!8 = !{!"../t.h", !"/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1"} 66!9 = !{!"0x29", !8} ; [ DW_TAG_file_type ] [/Users/dexonsmith/data/llvm/staging/test/Linker/repro/d1/../t.h] 67!10 = !{i32 2, !"Dwarf Version", i32 2} 68!11 = !{i32 2, !"Debug Info Version", i32 2} 69!12 = !{i32 1, !"PIC Level", i32 2} 70!13 = !{!"clang version 3.6.0 (trunk 224193) (llvm/trunk 224197)"} 71!14 = !MDLocation(line: 2, column: 20, scope: !4) 72 73; The same subprogram should be pointed to by inside the !dbg reference. 74; CHECK: ![[LOC]] = !MDLocation(line: 2, column: 15, scope: ![[SP2]]) 75!15 = !MDLocation(line: 2, column: 15, scope: !7) 76