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Do not rely on getCompileUnit() to find source file information for a subprogram. 

llvm-svn: 99410
This commit is contained in:
Devang Patel 2010-03-24 18:48:00 +00:00
parent da44d5977f
commit d7a6cc5129
2 changed files with 77 additions and 2 deletions
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17
llvm/include/llvm/Analysis/DebugInfo.h
View File

@ -395,8 +395,21 @@ namespace llvm {
}
unsigned isArtificial() const { return getUnsignedField(14); }
StringRef getFilename() const { return getCompileUnit().getFilename();}
StringRef getDirectory() const { return getCompileUnit().getDirectory();}
StringRef getFilename() const {
if (getVersion() == llvm::LLVMDebugVersion7)
return getCompileUnit().getFilename();
DIFile F = getFieldAs<DIFile>(6);
return F.getFilename();
}
StringRef getDirectory() const {
if (getVersion() == llvm::LLVMDebugVersion7)
return getCompileUnit().getFilename();
DIFile F = getFieldAs<DIFile>(6);
return F.getDirectory();
}
/// Verify - Verify that a subprogram descriptor is well formed.
bool Verify() const;

62
llvm/test/DebugInfo/2010-03-24-MemberFn.ll Normal file
View File

@ -0,0 +1,62 @@
; RUN: llc -O0 < %s | grep AT_decl_file | grep 2
; Here _ZN1S3fooEv is defined in header file identified as AT_decl_file no. 2 in debug info.
%struct.S = type <{ i8 }>
define i32 @_Z3barv() nounwind ssp {
entry:
%retval = alloca i32 ; <i32*> [#uses=2]
%0 = alloca i32 ; <i32*> [#uses=2]
%s1 = alloca %struct.S ; <%struct.S*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.declare(metadata !{%struct.S* %s1}, metadata !0), !dbg !16
%1 = call i32 @_ZN1S3fooEv(%struct.S* %s1) nounwind, !dbg !17 ; <i32> [#uses=1]
store i32 %1, i32* %0, align 4, !dbg !17
%2 = load i32* %0, align 4, !dbg !17 ; <i32> [#uses=1]
store i32 %2, i32* %retval, align 4, !dbg !17
br label %return, !dbg !17
return: ; preds = %entry
%retval1 = load i32* %retval, !dbg !17 ; <i32> [#uses=1]
ret i32 %retval1, !dbg !16
}
define linkonce_odr i32 @_ZN1S3fooEv(%struct.S* %this) nounwind ssp align 2 {
entry:
%this_addr = alloca %struct.S* ; <%struct.S**> [#uses=1]
%retval = alloca i32 ; <i32*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
call void @llvm.dbg.declare(metadata !{%struct.S** %this_addr}, metadata !18), !dbg !21
store %struct.S* %this, %struct.S** %this_addr
br label %return, !dbg !21
return: ; preds = %entry
%retval1 = load i32* %retval, !dbg !21 ; <i32> [#uses=1]
ret i32 %retval1, !dbg !22
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone
!0 = metadata !{i32 524544, metadata !1, metadata !"s1", metadata !4, i32 3, metadata !9} ; [ DW_TAG_auto_variable ]
!1 = metadata !{i32 524299, metadata !2, i32 3, i32 0} ; [ DW_TAG_lexical_block ]
!2 = metadata !{i32 524299, metadata !3, i32 3, i32 0} ; [ DW_TAG_lexical_block ]
!3 = metadata !{i32 524334, i32 0, metadata !4, metadata !"bar", metadata !"bar", metadata !"_Z3barv", metadata !4, i32 3, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
!4 = metadata !{i32 524329, metadata !"one.cc", metadata !"/tmp/", metadata !5} ; [ DW_TAG_file_type ]
!5 = metadata !{i32 524305, i32 0, i32 4, metadata !"one.cc", metadata !"/tmp/", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!6 = metadata !{i32 524309, metadata !4, metadata !"", metadata !4, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null} ; [ DW_TAG_subroutine_type ]
!7 = metadata !{metadata !8}
!8 = metadata !{i32 524324, metadata !4, metadata !"int", metadata !4, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!9 = metadata !{i32 524307, metadata !4, metadata !"S", metadata !10, i32 2, i64 8, i64 8, i64 0, i32 0, null, metadata !11, i32 0, null} ; [ DW_TAG_structure_type ]
!10 = metadata !{i32 524329, metadata !"one.h", metadata !"/tmp/", metadata !5} ; [ DW_TAG_file_type ]
!11 = metadata !{metadata !12}
!12 = metadata !{i32 524334, i32 0, metadata !9, metadata !"foo", metadata !"foo", metadata !"_ZN1S3fooEv", metadata !10, i32 3, metadata !13, i1 false, i1 true, i32 0, i32 0, null, i1 false} ; [ DW_TAG_subprogram ]
!13 = metadata !{i32 524309, metadata !4, metadata !"", metadata !4, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !14, i32 0, null} ; [ DW_TAG_subroutine_type ]
!14 = metadata !{metadata !8, metadata !15}
!15 = metadata !{i32 524303, metadata !4, metadata !"", metadata !4, i32 0, i64 64, i64 64, i64 0, i32 64, metadata !9} ; [ DW_TAG_pointer_type ]
!16 = metadata !{i32 3, i32 0, metadata !1, null}
!17 = metadata !{i32 3, i32 0, metadata !3, null}
!18 = metadata !{i32 524545, metadata !12, metadata !"this", metadata !10, i32 3, metadata !19} ; [ DW_TAG_arg_variable ]
!19 = metadata !{i32 524326, metadata !4, metadata !"", metadata !4, i32 0, i64 64, i64 64, i64 0, i32 64, metadata !20} ; [ DW_TAG_const_type ]
!20 = metadata !{i32 524303, metadata !4, metadata !"", metadata !4, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !9} ; [ DW_TAG_pointer_type ]
!21 = metadata !{i32 3, i32 0, metadata !12, null}
!22 = metadata !{i32 3, i32 0, metadata !23, null}
!23 = metadata !{i32 524299, metadata !12, i32 3, i32 0} ; [ DW_TAG_lexical_block ]