diff options
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 2 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.cpp | 15 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGDebugInfo.h | 4 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGDecl.cpp | 5 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.h | 3 | 
5 files changed, 20 insertions, 9 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index c517cf3d09d..60a138c4194 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -898,7 +898,7 @@ void CodeGenFunction::EmitFunctionProlog(const CGFunctionInfo &FI,            V = EmitScalarConversion(V, Ty, Arg->getType());          }        } -      EmitParmDecl(*Arg, V); +      EmitParmDecl(*Arg, V, true /*ABIArgInfo::Indirect*/);        break;      } diff --git a/clang/lib/CodeGen/CGDebugInfo.cpp b/clang/lib/CodeGen/CGDebugInfo.cpp index ccf9c501259..cb907d45158 100644 --- a/clang/lib/CodeGen/CGDebugInfo.cpp +++ b/clang/lib/CodeGen/CGDebugInfo.cpp @@ -1735,7 +1735,8 @@ llvm::DIType CGDebugInfo::EmitTypeForVarWithBlocksAttr(const ValueDecl *VD,  /// EmitDeclare - Emit local variable declaration debug info.  void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag, -                              llvm::Value *Storage, CGBuilderTy &Builder) { +                              llvm::Value *Storage, CGBuilderTy &Builder, +                              bool IndirectArgument) {    assert(!RegionStack.empty() && "Region stack mismatch, stack empty!");    llvm::DIFile Unit = getOrCreateFile(VD->getLocation()); @@ -1751,6 +1752,12 @@ void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag,    if (!Ty)      return; +  // If an aggregate variable has non trivial destructor or non trivial copy +  // constructor than it is pass indirectly. Let debug info know about this +  // by using reference of the aggregate type as a argument type. +  if (IndirectArgument && VD->getType()->isRecordType()) +    Ty = DBuilder.CreateReferenceType(Ty); +    // Get location information.    unsigned Line = getLineNumber(VD->getLocation());    unsigned Column = getColumnNumber(VD->getLocation()); @@ -1911,8 +1918,10 @@ void CGDebugInfo::EmitDeclareOfBlockDeclRefVariable(  /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument  /// variable declaration.  void CGDebugInfo::EmitDeclareOfArgVariable(const VarDecl *VD, llvm::Value *AI, -                                           CGBuilderTy &Builder) { -  EmitDeclare(VD, llvm::dwarf::DW_TAG_arg_variable, AI, Builder); +                                           CGBuilderTy &Builder,  +                                           bool IndirectArgument) { +  EmitDeclare(VD, llvm::dwarf::DW_TAG_arg_variable, AI, Builder,  +              IndirectArgument);  } diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h index 6a9ab9c58b5..8efb7851817 100644 --- a/clang/lib/CodeGen/CGDebugInfo.h +++ b/clang/lib/CodeGen/CGDebugInfo.h @@ -178,7 +178,7 @@ public:    /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument    /// variable declaration.    void EmitDeclareOfArgVariable(const VarDecl *Decl, llvm::Value *AI, -                                CGBuilderTy &Builder); +                                CGBuilderTy &Builder, bool IndirectArg = false);    /// EmitGlobalVariable - Emit information about a global variable.    void EmitGlobalVariable(llvm::GlobalVariable *GV, const VarDecl *Decl); @@ -194,7 +194,7 @@ public:  private:    /// EmitDeclare - Emit call to llvm.dbg.declare for a variable declaration.    void EmitDeclare(const VarDecl *decl, unsigned Tag, llvm::Value *AI, -                   CGBuilderTy &Builder); +                   CGBuilderTy &Builder, bool IndirectArgument = false);    /// EmitDeclare - Emit call to llvm.dbg.declare for a variable    /// declaration from an enclosing block. diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp index c3708d1efdd..44568bc2aa6 100644 --- a/clang/lib/CodeGen/CGDecl.cpp +++ b/clang/lib/CodeGen/CGDecl.cpp @@ -927,7 +927,8 @@ void CodeGenFunction::EmitAutoVarDecl(const VarDecl &D,  /// Emit an alloca (or GlobalValue depending on target)  /// for the specified parameter and set up LocalDeclMap. -void CodeGenFunction::EmitParmDecl(const VarDecl &D, llvm::Value *Arg) { +void CodeGenFunction::EmitParmDecl(const VarDecl &D, llvm::Value *Arg,  +                                   bool IndirectArg) {    // FIXME: Why isn't ImplicitParamDecl a ParmVarDecl?    assert((isa<ParmVarDecl>(D) || isa<ImplicitParamDecl>(D)) &&           "Invalid argument to EmitParmDecl"); @@ -956,6 +957,6 @@ void CodeGenFunction::EmitParmDecl(const VarDecl &D, llvm::Value *Arg) {    // Emit debug info for param declaration.    if (CGDebugInfo *DI = getDebugInfo()) {      DI->setLocation(D.getLocation()); -    DI->EmitDeclareOfArgVariable(&D, DeclPtr, Builder); +    DI->EmitDeclareOfArgVariable(&D, DeclPtr, Builder, IndirectArg);    }  } diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h index f591840d92b..19fbf5ca989 100644 --- a/clang/lib/CodeGen/CodeGenFunction.h +++ b/clang/lib/CodeGen/CodeGenFunction.h @@ -1438,7 +1438,8 @@ public:                           llvm::GlobalValue::LinkageTypes Linkage);    /// EmitParmDecl - Emit a ParmVarDecl or an ImplicitParamDecl. -  void EmitParmDecl(const VarDecl &D, llvm::Value *Arg); +  void EmitParmDecl(const VarDecl &D, llvm::Value *Arg,  +                    bool IndirectArgument = false);    //===--------------------------------------------------------------------===//    //                             Statement Emission  | 

