1 ; RUN: opt < %s -always-inline -S | FileCheck %s
2 ; RUN: opt -passes='always-inline' -S < %s | FileCheck %s
4 ; Original input generated from clang -emit-llvm -S -c -mllvm -disable-llvm-optzns
6 ; #define CALLS1 f2(); f2();
7 ; #define CALLS2 f4(); f4();
9 ; inline __attribute__((always_inline)) void f2() {
12 ; inline __attribute__((always_inline)) void f3() {
15 ; inline __attribute__((always_inline)) void f4() {
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
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
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]+]]
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"
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]])
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]])
62 ; Function Attrs: uwtable
63 define void @_Z1fv() #0 !dbg !4 {
65 call void @_Z2f4v(), !dbg !13
66 call void @_Z2f4v(), !dbg !13
70 ; Function Attrs: alwaysinline inlinehint uwtable
71 define linkonce_odr void @_Z2f4v() #1 comdat !dbg !7 {
73 call void @_Z2f3v(), !dbg !15
77 ; Function Attrs: alwaysinline inlinehint uwtable
78 define linkonce_odr void @_Z2f3v() #1 comdat !dbg !8 {
80 call void @_Z2f2v(), !dbg !17
81 call void @_Z2f2v(), !dbg !17
85 ; Function Attrs: alwaysinline inlinehint uwtable
86 define linkonce_odr void @_Z2f2v() #1 comdat !dbg !9 {
88 call void @_Z2f1v(), !dbg !19
92 declare void @_Z2f1v() #2
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" }
99 !llvm.module.flags = !{!10, !11}
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")
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)