From 8fe7979c416cc5aad167329a2d7e7f5000f445fe Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Wed, 24 Mar 2010 18:48:00 +0000 Subject: [PATCH] Do not rely on getCompileUnit() to find source file information for a subprogram. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99410 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/Analysis/DebugInfo.h | 17 ++++++++-- test/DebugInfo/2010-03-24-MemberFn.ll | 62 +++++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+), 2 deletions(-) create mode 100644 test/DebugInfo/2010-03-24-MemberFn.ll diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h index 9b1d1b306f2..4e8c4c85bfe 100644 --- a/include/llvm/Analysis/DebugInfo.h +++ b/include/llvm/Analysis/DebugInfo.h @@ -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(6); + return F.getFilename(); + } + + StringRef getDirectory() const { + if (getVersion() == llvm::LLVMDebugVersion7) + return getCompileUnit().getFilename(); + + DIFile F = getFieldAs(6); + return F.getDirectory(); + } /// Verify - Verify that a subprogram descriptor is well formed. bool Verify() const; diff --git a/test/DebugInfo/2010-03-24-MemberFn.ll b/test/DebugInfo/2010-03-24-MemberFn.ll new file mode 100644 index 00000000000..20c0b8ee009 --- /dev/null +++ b/test/DebugInfo/2010-03-24-MemberFn.ll @@ -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 ; [#uses=2] + %0 = alloca i32 ; [#uses=2] + %s1 = alloca %struct.S ; <%struct.S*> [#uses=1] + %"alloca point" = bitcast i32 0 to 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 ; [#uses=1] + store i32 %1, i32* %0, align 4, !dbg !17 + %2 = load i32* %0, align 4, !dbg !17 ; [#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 ; [#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 ; [#uses=1] + %"alloca point" = bitcast i32 0 to 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 ; [#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 ] -- 2.11.0