; From the code:
-; bar.cpp
+; debug-loc-offset1.cc
; int bar (int b) {
; return b+4;
; }
-; foo.cpp
+; debug-loc-offset2.cc
; struct A {
-; int a;
-; int b;
-; int c;
+; int var;
+; virtual char foo();
; };
-; int a (struct A var) {
-; return var.a;
+; void baz(struct A a) {
+; int z = 2;
+; if (a.var > 2)
+; z++;
+; if (a.foo() == 'a')
+; z++;
; }
; Compiled separately for i386-pc-linux-gnu and linked together.
; CHECK: DW_AT_high_pc
; CHECK: DW_TAG_subprogram
-; CHECK-NEXT: DW_AT_MIPS_linkage_name [DW_FORM_strp]{{.*}}"_Z1a1A"
+; CHECK-NOT: DW_TAG
+; CHECK: DW_AT_linkage_name [DW_FORM_strp]{{.*}}"_Z3baz1A"
+; CHECK-NOT: {{DW_TAG|NULL}}
; CHECK: DW_TAG_formal_parameter
-; CHECK-NEXT: DW_AT_name [DW_FORM_strp]{{.*}}"var"
+; CHECK-NOT: DW_TAG
; CHECK: DW_AT_location [DW_FORM_sec_offset] (0x00000000)
+; CHECK-NOT: DW_TAG
+; CHECK: DW_AT_name [DW_FORM_strp]{{.*}}"a"
+
+; CHECK: DW_TAG_variable
+; CHECK: DW_AT_location [DW_FORM_exprloc]
; CHECK-NOT: DW_AT_location
; CHECK: .debug_loc contents:
; CHECK: 0x00000000: Beginning address offset: 0x0000000000000000
-; CHECK: Ending address offset: 0x0000000000000009
-
+; CHECK: Ending address offset: 0x0000000000000017
-%struct.A = type { i32, i32, i32 }
+%struct.A = type { i32 (...)**, i32 }
; Function Attrs: nounwind
define i32 @_Z3bari(i32 %b) #0 {
entry:
%b.addr = alloca i32, align 4
store i32 %b, i32* %b.addr, align 4
- call void @llvm.dbg.declare(metadata !{i32* %b.addr}, metadata !25), !dbg !26
- %0 = load i32* %b.addr, align 4, !dbg !27
- %add = add nsw i32 %0, 4, !dbg !27
- ret i32 %add, !dbg !27
+ call void @llvm.dbg.declare(metadata i32* %b.addr, metadata !21, metadata !DIExpression()), !dbg !22
+ %0 = load i32, i32* %b.addr, align 4, !dbg !23
+ %add = add nsw i32 %0, 4, !dbg !23
+ ret i32 %add, !dbg !23
}
; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
-; Function Attrs: nounwind
-define i32 @_Z1a1A(%struct.A* byval align 4 %var) #0 {
+define void @_Z3baz1A(%struct.A* %a) #2 {
entry:
- call void @llvm.dbg.declare(metadata !{%struct.A* %var}, metadata !28), !dbg !29
- %a = getelementptr inbounds %struct.A* %var, i32 0, i32 0, !dbg !30
- %0 = load i32* %a, align 4, !dbg !30
- ret i32 %0, !dbg !30
+ %z = alloca i32, align 4
+ call void @llvm.dbg.declare(metadata %struct.A* %a, metadata !24, metadata !DIExpression(DW_OP_deref)), !dbg !25
+ call void @llvm.dbg.declare(metadata i32* %z, metadata !26, metadata !DIExpression()), !dbg !27
+ store i32 2, i32* %z, align 4, !dbg !27
+ %var = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 1, !dbg !28
+ %0 = load i32, i32* %var, align 4, !dbg !28
+ %cmp = icmp sgt i32 %0, 2, !dbg !28
+ br i1 %cmp, label %if.then, label %if.end, !dbg !28
+
+if.then: ; preds = %entry
+ %1 = load i32, i32* %z, align 4, !dbg !30
+ %inc = add nsw i32 %1, 1, !dbg !30
+ store i32 %inc, i32* %z, align 4, !dbg !30
+ br label %if.end, !dbg !30
+
+if.end: ; preds = %if.then, %entry
+ %call = call signext i8 @_ZN1A3fooEv(%struct.A* %a), !dbg !31
+ %conv = sext i8 %call to i32, !dbg !31
+ %cmp1 = icmp eq i32 %conv, 97, !dbg !31
+ br i1 %cmp1, label %if.then2, label %if.end4, !dbg !31
+
+if.then2: ; preds = %if.end
+ %2 = load i32, i32* %z, align 4, !dbg !33
+ %inc3 = add nsw i32 %2, 1, !dbg !33
+ store i32 %inc3, i32* %z, align 4, !dbg !33
+ br label %if.end4, !dbg !33
+
+if.end4: ; preds = %if.then2, %if.end
+ ret void, !dbg !34
}
+declare signext i8 @_ZN1A3fooEv(%struct.A*) #2
+
attributes #0 = { nounwind "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" }
attributes #1 = { nounwind readnone }
+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" }
!llvm.dbg.cu = !{!0, !9}
-!llvm.module.flags = !{!22, !23}
-!llvm.ident = !{!24, !24}
-
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 (trunk 204264) (llvm/trunk 204286)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 1}
-!1 = metadata !{metadata !"bar.cpp", metadata !"/usr/local/google/home/echristo/tmp"}
-!2 = metadata !{}
-!3 = metadata !{metadata !4}
-!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"bar", metadata !"bar", metadata !"_Z3bari", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i32)* @_Z3bari, null, null, metadata !2, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [bar]
-!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/tmp/bar.cpp]
-!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!7 = metadata !{metadata !8, metadata !8}
-!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{i32 786449, metadata !10, i32 4, metadata !"clang version 3.5.0 (trunk 204264) (llvm/trunk 204286)", i1 false, metadata !"", i32 0, metadata !2, metadata !11, metadata !17, metadata !2, metadata !2, metadata !"", i32 1}
-!10 = metadata !{metadata !"foo.cpp", metadata !"/usr/local/google/home/echristo/tmp"}
-!11 = metadata !{metadata !12}
-!12 = metadata !{i32 786451, metadata !10, null, metadata !"A", i32 1, i64 96, i64 32, i32 0, i32 0, null, metadata !13, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_structure_type ] [A] [line 1, size 96, align 32, offset 0] [def] [from ]
-!13 = metadata !{metadata !14, metadata !15, metadata !16}
-!14 = metadata !{i32 786445, metadata !10, metadata !"_ZTS1A", metadata !"a", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !8} ; [ DW_TAG_member ] [a] [line 2, size 32, align 32, offset 0] [from int]
-!15 = metadata !{i32 786445, metadata !10, metadata !"_ZTS1A", metadata !"b", i32 3, i64 32, i64 32, i64 32, i32 0, metadata !8} ; [ DW_TAG_member ] [b] [line 3, size 32, align 32, offset 32] [from int]
-!16 = metadata !{i32 786445, metadata !10, metadata !"_ZTS1A", metadata !"c", i32 4, i64 32, i64 32, i64 64, i32 0, metadata !8} ; [ DW_TAG_member ] [c] [line 4, size 32, align 32, offset 64] [from int]
-!17 = metadata !{metadata !18}
-!18 = metadata !{i32 786478, metadata !10, metadata !19, metadata !"a", metadata !"a", metadata !"_Z1a1A", i32 7, metadata !20, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%struct.A*)* @_Z1a1A, null, null, metadata !2, i32 7} ; [ DW_TAG_subprogram ] [line 7] [def] [a]
-!19 = metadata !{i32 786473, metadata !10} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/tmp/foo.cpp]
-!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!21 = metadata !{metadata !8, metadata !12}
-!22 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
-!23 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
-!24 = metadata !{metadata !"clang version 3.5.0 (trunk 204264) (llvm/trunk 204286)"}
-!25 = metadata !{i32 786689, metadata !4, metadata !"b", metadata !5, i32 16777217, metadata !8, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [b] [line 1]
-!26 = metadata !{i32 1, i32 0, metadata !4, null}
-!27 = metadata !{i32 2, i32 0, metadata !4, null}
-!28 = metadata !{i32 786689, metadata !18, metadata !"var", metadata !19, i32 16777223, metadata !"_ZTS1A", i32 0, i32 0}
-!29 = metadata !{i32 7, i32 0, metadata !18, null}
-!30 = metadata !{i32 8, i32 0, metadata !18, null} ; [ DW_TAG_imported_declaration ]
+!llvm.module.flags = !{!18, !19}
+!llvm.ident = !{!20, !20}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (210479)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "debug-loc-offset1.cc", directory: "/llvm_cmake_gcc")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "bar", linkageName: "_Z3bari", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, function: i32 (i32)* @_Z3bari, variables: !2)
+!5 = !DIFile(filename: "debug-loc-offset1.cc", directory: "/llvm_cmake_gcc")
+!6 = !DISubroutineType(types: !7)
+!7 = !{!8, !8}
+!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (210479)", isOptimized: false, emissionKind: 1, file: !10, enums: !2, retainedTypes: !11, subprograms: !13, globals: !2, imports: !2)
+!10 = !DIFile(filename: "debug-loc-offset2.cc", directory: "/llvm_cmake_gcc")
+!11 = !{!12}
+!12 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, flags: DIFlagFwdDecl, file: !10, identifier: "_ZTS1A")
+!13 = !{!14}
+!14 = distinct !DISubprogram(name: "baz", linkageName: "_Z3baz1A", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 6, file: !10, scope: !15, type: !16, function: void (%struct.A*)* @_Z3baz1A, variables: !2)
+!15 = !DIFile(filename: "debug-loc-offset2.cc", directory: "/llvm_cmake_gcc")
+!16 = !DISubroutineType(types: !17)
+!17 = !{null, !12}
+!18 = !{i32 2, !"Dwarf Version", i32 4}
+!19 = !{i32 2, !"Debug Info Version", i32 3}
+!20 = !{!"clang version 3.5.0 (210479)"}
+!21 = !DILocalVariable(name: "b", line: 1, arg: 1, scope: !4, file: !5, type: !8)
+!22 = !DILocation(line: 1, scope: !4)
+!23 = !DILocation(line: 2, scope: !4)
+!24 = !DILocalVariable(name: "a", line: 6, arg: 1, scope: !14, file: !15, type: !"_ZTS1A")
+!25 = !DILocation(line: 6, scope: !14)
+!26 = !DILocalVariable(name: "z", line: 7, scope: !14, file: !15, type: !8)
+!27 = !DILocation(line: 7, scope: !14)
+!28 = !DILocation(line: 8, scope: !29)
+!29 = distinct !DILexicalBlock(line: 8, column: 0, file: !10, scope: !14)
+!30 = !DILocation(line: 9, scope: !29)
+!31 = !DILocation(line: 10, scope: !32)
+!32 = distinct !DILexicalBlock(line: 10, column: 0, file: !10, scope: !14)
+!33 = !DILocation(line: 11, scope: !32)
+!34 = !DILocation(line: 12, scope: !14)
projects / oota-llvm.git / blobdiff