1 ; RUN: opt < %s -always-inline -S | FileCheck %s 2 ; RUN: opt -passes='always-inline' -S < %s | FileCheck %s 3 4 ; Original input generated from clang -emit-llvm -S -c -mllvm -disable-llvm-optzns 5 ; 6 ; #define CALLS1 f2(); f2(); 7 ; #define CALLS2 f4(); f4(); 8 ; void f1(); 9 ; inline __attribute__((always_inline)) void f2() { 10 ; f1(); 11 ; } 12 ; inline __attribute__((always_inline)) void f3() { 13 ; CALLS1 14 ; } 15 ; inline __attribute__((always_inline)) void f4() { 16 ; f3(); 17 ; } 18 ; void f() { 19 ; CALLS2 20 ; } 21 22 ; There should be unique locations for all 4 of these instructions, correctly 23 ; describing the inlining that has occurred, even in the face of duplicate call 24 ; site locations. 25 26 ; The nomenclature used for the tags here is <function name>[cs<number>] where 27 ; 'cs' is an abbreviation for 'call site' and the number indicates which call 28 ; site from within the named function this is. (so, given the above inlining, we 29 ; should have 4 calls to 'f1', two from the first call to f4 and two from the 30 ; second call to f4) 31 32 ; CHECK: call void @_Z2f1v(), !dbg [[fcs1_f4_f3cs1_f2:![0-9]+]] 33 ; CHECK: call void @_Z2f1v(), !dbg [[fcs1_f4_f3cs2_f2:![0-9]+]] 34 ; CHECK: call void @_Z2f1v(), !dbg [[fcs2_f4_f3cs1_f2:![0-9]+]] 35 ; CHECK: call void @_Z2f1v(), !dbg [[fcs2_f4_f3cs2_f2:![0-9]+]] 36 37 ; CHECK-DAG: [[F:![0-9]+]] = distinct !DISubprogram(name: "f" 38 ; CHECK-DAG: [[F2:![0-9]+]] = distinct !DISubprogram(name: "f2" 39 ; CHECK-DAG: [[F3:![0-9]+]] = distinct !DISubprogram(name: "f3" 40 ; CHECK-DAG: [[F4:![0-9]+]] = distinct !DISubprogram(name: "f4" 41 42 ; CHECK-DAG: [[fcs1_f4_f3cs1_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs1_f4_f3cs1:![0-9]+]]) 43 ; CHECK-DAG: [[fcs1_f4_f3cs1]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs1_f4:![0-9]+]]) 44 ; CHECK-DAG: [[fcs1_f4]] = {{.*}}, scope: [[F4]], inlinedAt: [[fcs1:![0-9]+]]) 45 ; CHECK-DAG: [[fcs1]] = {{.*}}, scope: [[F]]) 46 ; CHECK-DAG: [[fcs1_f4_f3cs2_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs1_f4_f3cs2:![0-9]+]]) 47 ; CHECK-DAG: [[fcs1_f4_f3cs2]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs1_f4]]) 48 49 ; CHECK-DAG: [[fcs2_f4_f3cs1_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs2_f4_f3cs1:![0-9]+]]) 50 ; CHECK-DAG: [[fcs2_f4_f3cs1]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs2_f4:![0-9]+]]) 51 ; CHECK-DAG: [[fcs2_f4]] = {{.*}}, scope: [[F4]], inlinedAt: [[fcs2:![0-9]+]]) 52 ; CHECK-DAG: [[fcs2]] = {{.*}}, scope: [[F]]) 53 ; CHECK-DAG: [[fcs2_f4_f3cs2_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs2_f4_f3cs2:![0-9]+]]) 54 ; CHECK-DAG: [[fcs2_f4_f3cs2]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs2_f4]]) 55 56 $_Z2f4v = comdat any 57 58 $_Z2f3v = comdat any 59 60 $_Z2f2v = comdat any 61 62 ; Function Attrs: uwtable 63 define void @_Z1fv() #0 !dbg !4 { 64 entry: 65 call void @_Z2f4v(), !dbg !13 66 call void @_Z2f4v(), !dbg !13 67 ret void, !dbg !14 68 } 69 70 ; Function Attrs: alwaysinline inlinehint uwtable 71 define linkonce_odr void @_Z2f4v() #1 comdat !dbg !7 { 72 entry: 73 call void @_Z2f3v(), !dbg !15 74 ret void, !dbg !16 75 } 76 77 ; Function Attrs: alwaysinline inlinehint uwtable 78 define linkonce_odr void @_Z2f3v() #1 comdat !dbg !8 { 79 entry: 80 call void @_Z2f2v(), !dbg !17 81 call void @_Z2f2v(), !dbg !17 82 ret void, !dbg !18 83 } 84 85 ; Function Attrs: alwaysinline inlinehint uwtable 86 define linkonce_odr void @_Z2f2v() #1 comdat !dbg !9 { 87 entry: 88 call void @_Z2f1v(), !dbg !19 89 ret void, !dbg !20 90 } 91 92 declare void @_Z2f1v() #2 93 94 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 95 attributes #1 = { alwaysinline inlinehint uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 96 attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 97 98 !llvm.dbg.cu = !{!0} 99 !llvm.module.flags = !{!10, !11} 100 !llvm.ident = !{!12} 101 102 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 226474) (llvm/trunk 226478)", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 103 !1 = !DIFile(filename: "debug-info-duplicate-calls.cpp", directory: "/tmp/dbginfo") 104 !2 = !{} 105 !4 = distinct !DISubprogram(name: "f", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 13, file: !1, scope: !5, type: !6, retainedNodes: !2) 106 !5 = !DIFile(filename: "debug-info-duplicate-calls.cpp", directory: "/tmp/dbginfo") 107 !6 = !DISubroutineType(types: !2) 108 !7 = distinct !DISubprogram(name: "f4", line: 10, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !1, scope: !5, type: !6, retainedNodes: !2) 109 !8 = distinct !DISubprogram(name: "f3", line: 7, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !5, type: !6, retainedNodes: !2) 110 !9 = distinct !DISubprogram(name: "f2", line: 4, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !1, scope: !5, type: !6, retainedNodes: !2) 111 !10 = !{i32 2, !"Dwarf Version", i32 4} 112 !11 = !{i32 2, !"Debug Info Version", i32 3} 113 !12 = !{!"clang version 3.7.0 (trunk 226474) (llvm/trunk 226478)"} 114 !13 = !DILocation(line: 14, column: 3, scope: !4) 115 !14 = !DILocation(line: 15, column: 1, scope: !4) 116 !15 = !DILocation(line: 11, column: 3, scope: !7) 117 !16 = !DILocation(line: 12, column: 1, scope: !7) 118 !17 = !DILocation(line: 8, column: 3, scope: !8) 119 !18 = !DILocation(line: 9, column: 1, scope: !8) 120 !19 = !DILocation(line: 5, column: 3, scope: !9) 121 !20 = !DILocation(line: 6, column: 1, scope: !9) 122
