; altered. If they are, it means that the discriminators pass added a
; new lexical scope.
-define i32 @foo(i64 %i) #0 {
+define i32 @foo(i64 %i) #0 !dbg !4 {
entry:
%retval = alloca i32, align 4
%i.addr = alloca i64, align 8
store i64 %i, i64* %i.addr, align 8
- call void @llvm.dbg.declare(metadata !{i64* %i.addr}, metadata !13, metadata !{}), !dbg !14
- %0 = load i64* %i.addr, align 8, !dbg !15
-; CHECK: %0 = load i64* %i.addr, align 8, !dbg !15
+ call void @llvm.dbg.declare(metadata i64* %i.addr, metadata !13, metadata !DIExpression()), !dbg !14
+ %0 = load i64, i64* %i.addr, align 8, !dbg !15
+; CHECK: %0 = load i64, i64* %i.addr, align 8, !dbg ![[ENTRY:[0-9]+]]
%cmp = icmp slt i64 %0, 5, !dbg !15
-; CHECK: %cmp = icmp slt i64 %0, 5, !dbg !15
+; CHECK: %cmp = icmp slt i64 %0, 5, !dbg ![[ENTRY:[0-9]+]]
br i1 %cmp, label %if.then, label %if.else, !dbg !15
-; CHECK: br i1 %cmp, label %if.then, label %if.else, !dbg !15
+; CHECK: br i1 %cmp, label %if.then, label %if.else, !dbg ![[ENTRY:[0-9]+]]
if.then: ; preds = %entry
store i32 2, i32* %retval, !dbg !15
br label %return, !dbg !15
return: ; preds = %if.else, %if.then
- %1 = load i32* %retval, !dbg !17
+ %1 = load i32, i32* %retval, !dbg !17
ret i32 %1, !dbg !17
}
attributes #0 = { nounwind 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" }
attributes #1 = { nounwind readnone }
+; We should be able to add discriminators even in the absence of llvm.dbg.cu.
+; When using sample profiles, the front end will generate line tables but it
+; does not generate llvm.dbg.cu to prevent codegen from emitting debug info
+; to the final binary.
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!10, !11}
!llvm.ident = !{!12}
-!0 = metadata !{metadata !"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [./no-discriminators] [DW_LANG_C99]
-!1 = metadata !{metadata !"no-discriminators", metadata !"."}
-!2 = metadata !{}
-!3 = metadata !{metadata !4}
-!4 = metadata !{metadata !"0x2e\00foo\00foo\00\001\000\001\000\006\00256\000\001", metadata !1, metadata !5, metadata !6, null, i32 (i64)* @foo, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo]
-!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [./no-discriminators]
-!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!7 = metadata !{metadata !8, metadata !9}
-!8 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
-!9 = metadata !{metadata !"0x24\00long int\000\0064\0064\000\000\005", null, null} ; [ DW_TAG_base_type ] [long int] [line 0, size 64, align 64, offset 0, enc DW_ATE_signed]
-!10 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-; CHECK: !10 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!11 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
-!12 = metadata !{metadata !"clang version 3.5.0 "}
-!13 = metadata !{metadata !"0x101\00i\0016777217\000", metadata !4, metadata !5, metadata !9} ; [ DW_TAG_arg_variable ] [i] [line 1]
-!14 = metadata !{i32 1, i32 0, metadata !4, null}
-!15 = metadata !{i32 2, i32 0, metadata !16, null}
-; CHECK: !15 = metadata !{i32 2, i32 0, metadata !16, null}
-!16 = metadata !{metadata !"0xb\002\000\000", metadata !1, metadata !4} ; [ DW_TAG_lexical_block ] [./no-discriminators]
-; CHECK: !16 = metadata !{metadata !"0xb\002\000\000", metadata !1, metadata !4} ; [ DW_TAG_lexical_block ] [./no-discriminators]
-!17 = metadata !{i32 3, i32 0, metadata !4, null}
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "no-discriminators", directory: ".")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
+; CHECK: ![[FOO:[0-9]+]] = distinct !DISubprogram(name: "foo"
+!5 = !DIFile(filename: "no-discriminators", directory: ".")
+!6 = !DISubroutineType(types: !7)
+!7 = !{!8, !9}
+!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
+!10 = !{i32 2, !"Dwarf Version", i32 2}
+; CHECK: !{i32 2, !"Dwarf Version", i32 2}
+!11 = !{i32 1, !"Debug Info Version", i32 3}
+!12 = !{!"clang version 3.5.0 "}
+!13 = !DILocalVariable(name: "i", line: 1, arg: 1, scope: !4, file: !5, type: !9)
+!14 = !DILocation(line: 1, scope: !4)
+!15 = !DILocation(line: 2, scope: !16)
+; CHECK: ![[ENTRY]] = !DILocation(line: 2, scope: ![[BLOCK:[0-9]+]])
+!16 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4)
+; CHECK: ![[BLOCK]] = distinct !DILexicalBlock(scope: ![[FOO]],{{.*}} line: 2)
+!17 = !DILocation(line: 3, scope: !4)
projects / oota-llvm.git / blobdiff