diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/CodeGen/CGBlocks.cpp | 2 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGClass.cpp | 2 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.cpp | 154 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.h | 18 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGExpr.cpp | 6 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGObjC.cpp | 24 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGStmt.cpp | 43 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 4 | ||||
| -rw-r--r-- | clang/test/CodeGen/debug-info-line.c | 14 |
9 files changed, 118 insertions, 149 deletions
diff --git a/clang/lib/CodeGen/CGBlocks.cpp b/clang/lib/CodeGen/CGBlocks.cpp index 5cbaff908ca..96949537664 100644 --- a/clang/lib/CodeGen/CGBlocks.cpp +++ b/clang/lib/CodeGen/CGBlocks.cpp @@ -996,7 +996,7 @@ CodeGenFunction::GenerateBlockFunction(GlobalDecl GD, for (BlockDecl::capture_const_iterator ci = blockDecl->capture_begin(), ce = blockDecl->capture_end(); ci != ce; ++ci) { const VarDecl *variable = ci->getVariable(); - DI->setLocation(variable->getLocation()); + DI->EmitLocation(Builder, variable->getLocation()); const CGBlockInfo::Capture &capture = blockInfo.getCapture(variable); if (capture.isConstant()) { diff --git a/clang/lib/CodeGen/CGClass.cpp b/clang/lib/CodeGen/CGClass.cpp index 66603acb242..a5e5bb284be 100644 --- a/clang/lib/CodeGen/CGClass.cpp +++ b/clang/lib/CodeGen/CGClass.cpp @@ -693,7 +693,7 @@ void CodeGenFunction::EmitConstructorBody(FunctionArgList &Args) { // delegation optimization. if (CtorType == Ctor_Complete && IsConstructorDelegationValid(Ctor)) { if (CGDebugInfo *DI = getDebugInfo()) - DI->EmitLocation(Builder); + DI->EmitLocation(Builder, Ctor->getLocEnd()); EmitDelegateCXXConstructorCall(Ctor, Ctor_Base, Args); return; } diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index 0902b94b5a5..d074838a368 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -55,6 +55,37 @@ void CGDebugInfo::setLocation(SourceLocation Loc) { if (!Loc.isValid()) return; CurLoc = CGM.getContext().getSourceManager().getExpansionLoc(Loc); + + // If we've changed files in the middle of a lexical scope go ahead + // and create a new lexical scope with file node if it's different + // from the one in the scope. + if (LexicalBlockStack.empty()) return; + + SourceManager &SM = CGM.getContext().getSourceManager(); + PresumedLoc PCLoc = SM.getPresumedLoc(CurLoc); + PresumedLoc PPLoc = SM.getPresumedLoc(PrevLoc); + + if (PCLoc.isInvalid() || PPLoc.isInvalid() || + !strcmp(PPLoc.getFilename(), PCLoc.getFilename())) + return; + + llvm::MDNode *LB = LexicalBlockStack.back(); + llvm::DIScope Scope = llvm::DIScope(LB); + if (Scope.isLexicalBlockFile()) { + llvm::DILexicalBlockFile LBF = llvm::DILexicalBlockFile(LB); + llvm::DIDescriptor D + = DBuilder.createLexicalBlockFile(LBF.getScope(), + getOrCreateFile(CurLoc)); + llvm::MDNode *N = D; + LexicalBlockStack.pop_back(); + LexicalBlockStack.push_back(N); + } else { + llvm::DIDescriptor D + = DBuilder.createLexicalBlockFile(Scope, getOrCreateFile(CurLoc)); + llvm::MDNode *N = D; + LexicalBlockStack.pop_back(); + LexicalBlockStack.push_back(N); + } } /// getContextDescriptor - Get context info for the decl. @@ -205,7 +236,7 @@ llvm::DIFile CGDebugInfo::getOrCreateMainFile() { /// getLineNumber - Get line number for the location. If location is invalid /// then use current location. unsigned CGDebugInfo::getLineNumber(SourceLocation Loc) { - assert (CurLoc.isValid() && "Invalid current location!"); + assert (Loc.isValid() || CurLoc.isValid() && "Invalid current location!"); SourceManager &SM = CGM.getContext().getSourceManager(); PresumedLoc PLoc = SM.getPresumedLoc(Loc.isValid() ? Loc : CurLoc); return PLoc.isValid()? PLoc.getLine() : 0; @@ -214,7 +245,7 @@ unsigned CGDebugInfo::getLineNumber(SourceLocation Loc) { /// getColumnNumber - Get column number for the location. If location is /// invalid then use current location. unsigned CGDebugInfo::getColumnNumber(SourceLocation Loc) { - assert (CurLoc.isValid() && "Invalid current location!"); + assert (Loc.isValid() || CurLoc.isValid() && "Invalid current location!"); SourceManager &SM = CGM.getContext().getSourceManager(); PresumedLoc PLoc = SM.getPresumedLoc(Loc.isValid() ? Loc : CurLoc); return PLoc.isValid()? PLoc.getColumn() : 0; @@ -1772,79 +1803,24 @@ void CGDebugInfo::EmitFunctionStart(GlobalDecl GD, QualType FnType, llvm::MDNode *SPN = SP; LexicalBlockStack.push_back(SPN); RegionMap[D] = llvm::WeakVH(SP); - - // Clear stack used to keep track of #line directives. - LineDirectiveFiles.clear(); -} - -// UpdateLineDirectiveRegion - Update region stack only if #line directive -// has introduced scope change. -void CGDebugInfo::UpdateLineDirectiveRegion(CGBuilderTy &Builder) { - if (CurLoc.isInvalid() || CurLoc.isMacroID() || - PrevLoc.isInvalid() || PrevLoc.isMacroID()) - return; - SourceManager &SM = CGM.getContext().getSourceManager(); - PresumedLoc PCLoc = SM.getPresumedLoc(CurLoc); - PresumedLoc PPLoc = SM.getPresumedLoc(PrevLoc); - - if (PCLoc.isInvalid() || PPLoc.isInvalid() || - !strcmp(PPLoc.getFilename(), PCLoc.getFilename())) - return; - - // If #line directive stack is empty then we are entering a new scope. - if (LineDirectiveFiles.empty()) { - EmitLexicalBlockStart(Builder); - LineDirectiveFiles.push_back(PCLoc.getFilename()); - return; - } - - assert (LexicalBlockStack.size() >= LineDirectiveFiles.size() - && "error handling #line regions!"); - - bool SeenThisFile = false; - // Chek if current file is already seen earlier. - for(std::vector<const char *>::iterator I = LineDirectiveFiles.begin(), - E = LineDirectiveFiles.end(); I != E; ++I) - if (!strcmp(PCLoc.getFilename(), *I)) { - SeenThisFile = true; - break; - } - - // If #line for this file is seen earlier then pop out #line regions. - if (SeenThisFile) { - while (!LineDirectiveFiles.empty()) { - const char *LastFile = LineDirectiveFiles.back(); - LexicalBlockStack.pop_back(); - LineDirectiveFiles.pop_back(); - if (!strcmp(PPLoc.getFilename(), LastFile)) - break; - } - return; - } - - // .. otherwise insert new #line region. - EmitLexicalBlockStart(Builder); - LineDirectiveFiles.push_back(PCLoc.getFilename()); - - return; } /// EmitLocation - Emit metadata to indicate a change in line/column /// information in the source file. -void CGDebugInfo::EmitLocation(CGBuilderTy &Builder) { +void CGDebugInfo::EmitLocation(CGBuilderTy &Builder, SourceLocation Loc) { + + // Update our current location + setLocation(Loc); + if (CurLoc.isInvalid() || CurLoc.isMacroID()) return; // Don't bother if things are the same as last time. SourceManager &SM = CGM.getContext().getSourceManager(); - if (CurLoc == PrevLoc || + if (CurLoc == PrevLoc || SM.getExpansionLoc(CurLoc) == SM.getExpansionLoc(PrevLoc)) // New Builder may not be in sync with CGDebugInfo. if (!Builder.getCurrentDebugLocation().isUnknown()) return; - - // The file may have had a line directive change. Process any of - // those before updating the state. - UpdateLineDirectiveRegion(Builder); // Update last state. PrevLoc = CurLoc; @@ -1855,27 +1831,42 @@ void CGDebugInfo::EmitLocation(CGBuilderTy &Builder) { Scope)); } -/// EmitLexicalBlockStart - Constructs the debug code for entering a declarative -/// region - beginning of a DW_TAG_lexical_block. -void CGDebugInfo::EmitLexicalBlockStart(CGBuilderTy &Builder) { +/// CreateLexicalBlock - Creates a new lexical block node and pushes it on +/// the stack. +void CGDebugInfo::CreateLexicalBlock(SourceLocation Loc) { llvm::DIDescriptor D = - DBuilder.createLexicalBlock(LexicalBlockStack.empty() ? - llvm::DIDescriptor() : - llvm::DIDescriptor(LexicalBlockStack.back()), - getOrCreateFile(CurLoc), - getLineNumber(CurLoc), - getColumnNumber(CurLoc)); + DBuilder.createLexicalBlock(LexicalBlockStack.empty() ? + llvm::DIDescriptor() : + llvm::DIDescriptor(LexicalBlockStack.back()), + getOrCreateFile(CurLoc), + getLineNumber(CurLoc), + getColumnNumber(CurLoc)); llvm::MDNode *DN = D; LexicalBlockStack.push_back(DN); } +/// EmitLexicalBlockStart - Constructs the debug code for entering a declarative +/// region - beginning of a DW_TAG_lexical_block. +void CGDebugInfo::EmitLexicalBlockStart(CGBuilderTy &Builder, SourceLocation Loc) { + // Set our current location. + setLocation(Loc); + + // Create a new lexical block and push it on the stack. + CreateLexicalBlock(CurLoc); + + // Emit a line table change for the current location inside the new scope. + Builder.SetCurrentDebugLocation(llvm::DebugLoc::get(getLineNumber(CurLoc), + getColumnNumber(CurLoc), + LexicalBlockStack.back())); +} + /// EmitLexicalBlockEnd - Constructs the debug code for exiting a declarative /// region - end of a DW_TAG_lexical_block. -void CGDebugInfo::EmitLexicalBlockEnd(CGBuilderTy &Builder) { +void CGDebugInfo::EmitLexicalBlockEnd(CGBuilderTy &Builder, SourceLocation Loc) { assert(!LexicalBlockStack.empty() && "Region stack mismatch, stack empty!"); - // Provide a region stop point. - EmitLocation(Builder); + // Provide an entry in the line table for the end of the block. + EmitLocation(Builder, Loc); LexicalBlockStack.pop_back(); } @@ -1888,7 +1879,7 @@ void CGDebugInfo::EmitFunctionEnd(CGBuilderTy &Builder) { // Pop all regions for this function. while (LexicalBlockStack.size() != RCount) - EmitLexicalBlockEnd(Builder); + EmitLexicalBlockEnd(Builder, CurLoc); FnBeginRegionCount.pop_back(); } @@ -2027,9 +2018,9 @@ void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, addr, ArgNo); // Insert an llvm.dbg.declare into the current block. + // Insert an llvm.dbg.declare into the current block. llvm::Instruction *Call = DBuilder.insertDeclare(Storage, D, Builder.GetInsertBlock()); - Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); return; } @@ -2042,7 +2033,6 @@ void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, // Insert an llvm.dbg.declare into the current block. llvm::Instruction *Call = DBuilder.insertDeclare(Storage, D, Builder.GetInsertBlock()); - Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); return; } @@ -2073,7 +2063,6 @@ void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, // Insert an llvm.dbg.declare into the current block. llvm::Instruction *Call = DBuilder.insertDeclare(Storage, D, Builder.GetInsertBlock()); - Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); } } @@ -2138,11 +2127,10 @@ void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable( llvm::DIDescriptor(LexicalBlockStack.back()), VD->getName(), Unit, Line, Ty, addr); // Insert an llvm.dbg.declare into the current block. - llvm::Instruction *Call = + llvm::Instruction *Call = DBuilder.insertDeclare(Storage, D, Builder.GetInsertPoint()); - - llvm::MDNode *Scope = LexicalBlockStack.back(); - Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope)); + Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, + LexicalBlockStack.back())); } /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h index e6c701a9a8b..a4533a83d57 100644 --- a/clang/lib/CodeGen/CGDebugInfo.h +++ b/clang/lib/CodeGen/CGDebugInfo.h @@ -64,10 +64,6 @@ class CGDebugInfo { // the end of a function. std::vector<unsigned> FnBeginRegionCount; - /// LineDirectiveFiles - This stack is used to keep track of - /// scopes introduced by #line directives. - std::vector<const char *> LineDirectiveFiles; - /// DebugInfoNames - This is a storage for names that are /// constructed on demand. For example, C++ destructors, C++ operators etc.. llvm::BumpPtrAllocator DebugInfoNames; @@ -151,10 +147,10 @@ class CGDebugInfo { llvm::DIFile F, SmallVectorImpl<llvm::Value *> &EltTys); - // UpdateLineDirectiveRegion - Update region stack only if #line directive - // has introduced scope change. - void UpdateLineDirectiveRegion(CGBuilderTy &Builder); - + // CreateLexicalBlock - Create a new lexical block node and push it on + // the stack. + void CreateLexicalBlock(SourceLocation Loc); + public: CGDebugInfo(CodeGenModule &CGM); ~CGDebugInfo(); @@ -166,7 +162,7 @@ public: /// EmitLocation - Emit metadata to indicate a change in line/column /// information in the source file. - void EmitLocation(CGBuilderTy &Builder); + void EmitLocation(CGBuilderTy &Builder, SourceLocation Loc); /// EmitFunctionStart - Emit a call to llvm.dbg.function.start to indicate /// start of a new function. @@ -182,11 +178,11 @@ public: /// EmitLexicalBlockStart - Emit metadata to indicate the beginning of a /// new lexical block and push the block onto the stack. - void EmitLexicalBlockStart(CGBuilderTy &Builder); + void EmitLexicalBlockStart(CGBuilderTy &Builder, SourceLocation Loc); /// EmitLexicalBlockEnd - Emit metadata to indicate the end of a new lexical /// block and pop the current block. - void EmitLexicalBlockEnd(CGBuilderTy &Builder); + void EmitLexicalBlockEnd(CGBuilderTy &Builder, SourceLocation Loc); /// EmitDeclareOfAutoVariable - Emit call to llvm.dbg.declare for an automatic /// variable declaration. diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index 329dc5aa973..ad27506d56e 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -2180,10 +2180,8 @@ LValue CodeGenFunction::EmitMaterializeTemporaryExpr( RValue CodeGenFunction::EmitCallExpr(const CallExpr *E, ReturnValueSlot ReturnValue) { - if (CGDebugInfo *DI = getDebugInfo()) { - DI->setLocation(E->getLocStart()); - DI->EmitLocation(Builder); - } + if (CGDebugInfo *DI = getDebugInfo()) + DI->EmitLocation(Builder, E->getLocStart()); // Builtins never have block type. if (E->getCallee()->getType()->isBlockPointerType()) diff --git a/clang/lib/CodeGen/CGObjC.cpp b/clang/lib/CodeGen/CGObjC.cpp index 344c1ee1804..51f20534d11 100644 --- a/clang/lib/CodeGen/CGObjC.cpp +++ b/clang/lib/CodeGen/CGObjC.cpp @@ -1208,10 +1208,8 @@ void CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S){ } CGDebugInfo *DI = getDebugInfo(); - if (DI) { - DI->setLocation(S.getSourceRange().getBegin()); - DI->EmitLexicalBlockStart(Builder); - } + if (DI) + DI->EmitLexicalBlockStart(Builder, S.getSourceRange().getBegin()); // The local variable comes into scope immediately. AutoVarEmission variable = AutoVarEmission::invalid(); @@ -1465,10 +1463,8 @@ void CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S){ EmitStoreThroughLValue(RValue::get(null), elementLValue); } - if (DI) { - DI->setLocation(S.getSourceRange().getEnd()); - DI->EmitLexicalBlockEnd(Builder); - } + if (DI) + DI->EmitLexicalBlockEnd(Builder, S.getSourceRange().getEnd()); // Leave the cleanup we entered in ARC. if (getLangOptions().ObjCAutoRefCount) @@ -2504,10 +2500,8 @@ void CodeGenFunction::EmitObjCAutoreleasePoolStmt( const CompoundStmt &S = cast<CompoundStmt>(*subStmt); CGDebugInfo *DI = getDebugInfo(); - if (DI) { - DI->setLocation(S.getLBracLoc()); - DI->EmitLexicalBlockStart(Builder); - } + if (DI) + DI->EmitLexicalBlockStart(Builder, S.getLBracLoc()); // Keep track of the current cleanup stack depth. RunCleanupsScope Scope(*this); @@ -2523,10 +2517,8 @@ void CodeGenFunction::EmitObjCAutoreleasePoolStmt( E = S.body_end(); I != E; ++I) EmitStmt(*I); - if (DI) { - DI->setLocation(S.getRBracLoc()); - DI->EmitLexicalBlockEnd(Builder); - } + if (DI) + DI->EmitLexicalBlockEnd(Builder, S.getRBracLoc()); } /// EmitExtendGCLifetime - Given a pointer to an Objective-C object, diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp index 06a045f69b0..c56931bbc6f 100644 --- a/clang/lib/CodeGen/CGStmt.cpp +++ b/clang/lib/CodeGen/CGStmt.cpp @@ -31,11 +31,12 @@ using namespace CodeGen; void CodeGenFunction::EmitStopPoint(const Stmt *S) { if (CGDebugInfo *DI = getDebugInfo()) { + SourceLocation Loc; if (isa<DeclStmt>(S)) - DI->setLocation(S->getLocEnd()); + Loc = S->getLocEnd(); else - DI->setLocation(S->getLocStart()); - DI->EmitLocation(Builder); + Loc = S->getLocStart(); + DI->EmitLocation(Builder, Loc); } } @@ -190,10 +191,8 @@ RValue CodeGenFunction::EmitCompoundStmt(const CompoundStmt &S, bool GetLast, "LLVM IR generation of compound statement ('{}')"); CGDebugInfo *DI = getDebugInfo(); - if (DI) { - DI->setLocation(S.getLBracLoc()); - DI->EmitLexicalBlockStart(Builder); - } + if (DI) + DI->EmitLexicalBlockStart(Builder, S.getLBracLoc()); // Keep track of the current cleanup stack depth. RunCleanupsScope Scope(*this); @@ -202,10 +201,8 @@ RValue CodeGenFunction::EmitCompoundStmt(const CompoundStmt &S, bool GetLast, E = S.body_end()-GetLast; I != E; ++I) EmitStmt(*I); - if (DI) { - DI->setLocation(S.getRBracLoc()); - DI->EmitLexicalBlockEnd(Builder); - } + if (DI) + DI->EmitLexicalBlockEnd(Builder, S.getRBracLoc()); RValue RV; if (!GetLast) @@ -570,10 +567,8 @@ void CodeGenFunction::EmitForStmt(const ForStmt &S) { RunCleanupsScope ForScope(*this); CGDebugInfo *DI = getDebugInfo(); - if (DI) { - DI->setLocation(S.getSourceRange().getBegin()); - DI->EmitLexicalBlockStart(Builder); - } + if (DI) + DI->EmitLexicalBlockStart(Builder, S.getSourceRange().getBegin()); // Evaluate the first part before the loop. if (S.getInit()) @@ -652,10 +647,8 @@ void CodeGenFunction::EmitForStmt(const ForStmt &S) { ForScope.ForceCleanup(); - if (DI) { - DI->setLocation(S.getSourceRange().getEnd()); - DI->EmitLexicalBlockEnd(Builder); - } + if (DI) + DI->EmitLexicalBlockEnd(Builder, S.getSourceRange().getEnd()); // Emit the fall-through block. EmitBlock(LoopExit.getBlock(), true); @@ -667,10 +660,8 @@ void CodeGenFunction::EmitCXXForRangeStmt(const CXXForRangeStmt &S) { RunCleanupsScope ForScope(*this); CGDebugInfo *DI = getDebugInfo(); - if (DI) { - DI->setLocation(S.getSourceRange().getBegin()); - DI->EmitLexicalBlockStart(Builder); - } + if (DI) + DI->EmitLexicalBlockStart(Builder, S.getSourceRange().getBegin()); // Evaluate the first pieces before the loop. EmitStmt(S.getRangeStmt()); @@ -726,10 +717,8 @@ void CodeGenFunction::EmitCXXForRangeStmt(const CXXForRangeStmt &S) { ForScope.ForceCleanup(); - if (DI) { - DI->setLocation(S.getSourceRange().getEnd()); - DI->EmitLexicalBlockEnd(Builder); - } + if (DI) + DI->EmitLexicalBlockEnd(Builder, S.getSourceRange().getEnd()); // Emit the fall-through block. EmitBlock(LoopExit.getBlock(), true); diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index aab513fdce7..924ec8448e8 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -1392,10 +1392,8 @@ void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D) { EmitCXXGlobalVarDeclInitFunc(D, GV); // Emit global variable debug information. - if (CGDebugInfo *DI = getModuleDebugInfo()) { - DI->setLocation(D->getLocation()); + if (CGDebugInfo *DI = getModuleDebugInfo()) DI->EmitGlobalVariable(GV, D); - } } llvm::GlobalValue::LinkageTypes diff --git a/clang/test/CodeGen/debug-info-line.c b/clang/test/CodeGen/debug-info-line.c index b255d90b34c..9e6e9714aa4 100644 --- a/clang/test/CodeGen/debug-info-line.c +++ b/clang/test/CodeGen/debug-info-line.c @@ -1,8 +1,9 @@ -// RUN: %clang -emit-llvm -S -g %s -o %t -// RUN: grep DW_TAG_lexical_block %t | count 3 +// RUN: %clang -emit-llvm -S -g %s -o - | FileCheck %s // Radar 8396182 -// There are three lexical blocks in this test case. +// There is only one lexical block, but we need a DILexicalBlock and two +// DILexicalBlockFile to correctly represent file info. This means we have +// two lexical blocks shown as the latter is also tagged as a lexical block. int foo() { int i = 1; @@ -13,3 +14,10 @@ int foo() { # 5 "m.c" 2 return i + j; } + +// CHECK: DW_TAG_lexical_block +// CHECK: DW_TAG_lexical_block +// CHECK: !"m.h" +// CHECK: DW_TAG_lexical_block +// CHECK: !"m.c" +// CHECK-NOT: DW_TAG_lexical_block |
