forked from OSchip/llvm-project
122 lines
5.7 KiB
LLVM
122 lines
5.7 KiB
LLVM
; RUN: opt < %s -always-inline -S | FileCheck %s
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; Original input generated from clang -emit-llvm -S -c -mllvm -disable-llvm-optzns
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;
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; #define CALLS1 f2(); f2();
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; #define CALLS2 f4(); f4();
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; void f1();
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; inline __attribute__((always_inline)) void f2() {
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; f1();
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; }
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; inline __attribute__((always_inline)) void f3() {
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; CALLS1
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; }
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; inline __attribute__((always_inline)) void f4() {
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; f3();
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; }
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; void f() {
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; CALLS2
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; }
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; There should be unique locations for all 4 of these instructions, correctly
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; describing the inlining that has occurred, even in the face of duplicate call
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; site locations.
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; The nomenclature used for the tags here is <function name>[cs<number>] where
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; 'cs' is an abbreviation for 'call site' and the number indicates which call
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; site from within the named function this is. (so, given the above inlining, we
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; should have 4 calls to 'f1', two from the first call to f4 and two from the
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; second call to f4)
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; CHECK: call void @_Z2f1v(), !dbg [[fcs1_f4_f3cs1_f2:![0-9]+]]
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; CHECK: call void @_Z2f1v(), !dbg [[fcs1_f4_f3cs2_f2:![0-9]+]]
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; CHECK: call void @_Z2f1v(), !dbg [[fcs2_f4_f3cs1_f2:![0-9]+]]
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; CHECK: call void @_Z2f1v(), !dbg [[fcs2_f4_f3cs2_f2:![0-9]+]]
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; CHECK-DAG: [[F:![0-9]+]] = !DISubprogram(name: "f"
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; CHECK-DAG: [[F2:![0-9]+]] = !DISubprogram(name: "f2"
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; CHECK-DAG: [[F3:![0-9]+]] = !DISubprogram(name: "f3"
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; CHECK-DAG: [[F4:![0-9]+]] = !DISubprogram(name: "f4"
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; CHECK: [[fcs1_f4_f3cs1_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs1_f4_f3cs1:![0-9]+]])
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; CHECK: [[fcs1_f4_f3cs1]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs1_f4:![0-9]+]])
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; CHECK: [[fcs1_f4]] = {{.*}}, scope: [[F4]], inlinedAt: [[fcs1:![0-9]+]])
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; CHECK: [[fcs1]] = {{.*}}, scope: [[F]])
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; CHECK: [[fcs1_f4_f3cs2_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs1_f4_f3cs2:![0-9]+]])
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; CHECK: [[fcs1_f4_f3cs2]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs1_f4]])
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; CHECK: [[fcs2_f4_f3cs1_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs2_f4_f3cs1:![0-9]+]])
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; CHECK: [[fcs2_f4_f3cs1]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs2_f4:![0-9]+]])
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; CHECK: [[fcs2_f4]] = {{.*}}, scope: [[F4]], inlinedAt: [[fcs2:![0-9]+]])
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; CHECK: [[fcs2]] = {{.*}}, scope: [[F]])
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; CHECK: [[fcs2_f4_f3cs2_f2]] = {{.*}}, scope: [[F2]], inlinedAt: [[fcs2_f4_f3cs2:![0-9]+]])
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; CHECK: [[fcs2_f4_f3cs2]] = {{.*}}, scope: [[F3]], inlinedAt: [[fcs2_f4]])
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$_Z2f4v = comdat any
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$_Z2f3v = comdat any
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$_Z2f2v = comdat any
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; Function Attrs: uwtable
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define void @_Z1fv() #0 {
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entry:
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call void @_Z2f4v(), !dbg !13
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call void @_Z2f4v(), !dbg !13
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ret void, !dbg !14
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}
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; Function Attrs: alwaysinline inlinehint uwtable
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define linkonce_odr void @_Z2f4v() #1 comdat {
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entry:
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call void @_Z2f3v(), !dbg !15
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ret void, !dbg !16
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}
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; Function Attrs: alwaysinline inlinehint uwtable
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define linkonce_odr void @_Z2f3v() #1 comdat {
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entry:
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call void @_Z2f2v(), !dbg !17
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call void @_Z2f2v(), !dbg !17
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ret void, !dbg !18
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}
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; Function Attrs: alwaysinline inlinehint uwtable
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define linkonce_odr void @_Z2f2v() #1 comdat {
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entry:
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call void @_Z2f1v(), !dbg !19
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ret void, !dbg !20
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}
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declare void @_Z2f1v() #2
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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" }
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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" }
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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" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!10, !11}
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!llvm.ident = !{!12}
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!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 (trunk 226474) (llvm/trunk 226478)", isOptimized: false, emissionKind: 2, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "debug-info-duplicate-calls.cpp", directory: "/tmp/dbginfo")
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!2 = !{}
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!3 = !{!4, !7, !8, !9}
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!4 = !DISubprogram(name: "f", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 13, file: !1, scope: !5, type: !6, function: void ()* @_Z1fv, variables: !2)
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!5 = !DIFile(filename: "debug-info-duplicate-calls.cpp", directory: "/tmp/dbginfo")
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!6 = !DISubroutineType(types: !2)
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!7 = !DISubprogram(name: "f4", line: 10, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !1, scope: !5, type: !6, function: void ()* @_Z2f4v, variables: !2)
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!8 = !DISubprogram(name: "f3", line: 7, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !5, type: !6, function: void ()* @_Z2f3v, variables: !2)
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!9 = !DISubprogram(name: "f2", line: 4, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !1, scope: !5, type: !6, function: void ()* @_Z2f2v, variables: !2)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{!"clang version 3.7.0 (trunk 226474) (llvm/trunk 226478)"}
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!13 = !DILocation(line: 14, column: 3, scope: !4)
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!14 = !DILocation(line: 15, column: 1, scope: !4)
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!15 = !DILocation(line: 11, column: 3, scope: !7)
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!16 = !DILocation(line: 12, column: 1, scope: !7)
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!17 = !DILocation(line: 8, column: 3, scope: !8)
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!18 = !DILocation(line: 9, column: 1, scope: !8)
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!19 = !DILocation(line: 5, column: 3, scope: !9)
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!20 = !DILocation(line: 6, column: 1, scope: !9)
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