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Pass GlobalDecls to GenerateCode and StartFunction. 

llvm-svn: 81485
This commit is contained in:
Anders Carlsson 2009-09-11 00:07:24 +00:00
parent 11ff570292
commit 73fcc95f0f
4 changed files with 45 additions and 35 deletions
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31
clang/lib/CodeGen/CGCXX.cpp
View File

@ -114,7 +114,7 @@ CodeGenModule::EmitCXXGlobalInitFunc() {
void CodeGenFunction::GenerateCXXGlobalInitFunc(llvm::Function *Fn,
const VarDecl **Decls,
unsigned NumDecls) {
StartFunction(0, getContext().VoidTy, Fn, FunctionArgList(),
StartFunction(GlobalDecl(), getContext().VoidTy, Fn, FunctionArgList(),
SourceLocation());
for (unsigned i = 0; i != NumDecls; ++i) {
@ -714,7 +714,7 @@ void CodeGenModule::EmitCXXConstructor(const CXXConstructorDecl *D,
llvm::Function *Fn = GetAddrOfCXXConstructor(D, Type);
CodeGenFunction(*this).GenerateCode(D, Fn);
CodeGenFunction(*this).GenerateCode(GlobalDecl(D, Type), Fn);
SetFunctionDefinitionAttributes(D, Fn);
SetLLVMFunctionAttributesForDefinition(D, Fn);
@ -750,7 +750,7 @@ void CodeGenModule::EmitCXXDestructor(const CXXDestructorDecl *D,
CXXDtorType Type) {
llvm::Function *Fn = GetAddrOfCXXDestructor(D, Type);
CodeGenFunction(*this).GenerateCode(D, Fn);
CodeGenFunction(*this).GenerateCode(GlobalDecl(D, Type), Fn);
SetFunctionDefinitionAttributes(D, Fn);
SetLLVMFunctionAttributesForDefinition(D, Fn);
@ -1548,12 +1548,14 @@ void CodeGenFunction::EmitClassCopyAssignment(
/// SynthesizeDefaultConstructor - synthesize a default constructor
void
CodeGenFunction::SynthesizeDefaultConstructor(const CXXConstructorDecl *CD,
CodeGenFunction::SynthesizeDefaultConstructor(GlobalDecl GD,
const FunctionDecl *FD,
llvm::Function *Fn,
const FunctionArgList &Args) {
StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation());
EmitCtorPrologue(CD);
const CXXConstructorDecl *Ctor = cast<CXXConstructorDecl>(GD.getDecl());
StartFunction(GD, FD->getResultType(), Fn, Args, SourceLocation());
EmitCtorPrologue(Ctor);
FinishFunction();
}
@ -1572,14 +1574,15 @@ CodeGenFunction::SynthesizeDefaultConstructor(const CXXConstructorDecl *CD,
/// Virtual base class subobjects shall be copied only once by the
/// implicitly-defined copy constructor
void CodeGenFunction::SynthesizeCXXCopyConstructor(const CXXConstructorDecl *CD,
void CodeGenFunction::SynthesizeCXXCopyConstructor(GlobalDecl GD,
const FunctionDecl *FD,
llvm::Function *Fn,
const FunctionArgList &Args) {
const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(CD->getDeclContext());
const CXXConstructorDecl *Ctor = cast<CXXConstructorDecl>(GD.getDecl());
const CXXRecordDecl *ClassDecl = Ctor->getParent();
assert(!ClassDecl->hasUserDeclaredCopyConstructor() &&
"SynthesizeCXXCopyConstructor - copy constructor has definition already");
StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation());
StartFunction(GD, Ctor->getResultType(), Fn, Args, SourceLocation());
FunctionArgList::const_iterator i = Args.begin();
const VarDecl *ThisArg = i->first;
@ -2003,17 +2006,19 @@ void CodeGenFunction::EmitDtorEpilogue(const CXXDestructorDecl *DD) {
}
}
void CodeGenFunction::SynthesizeDefaultDestructor(const CXXDestructorDecl *CD,
void CodeGenFunction::SynthesizeDefaultDestructor(GlobalDecl GD,
const FunctionDecl *FD,
llvm::Function *Fn,
const FunctionArgList &Args) {
const CXXRecordDecl *ClassDecl = cast<CXXRecordDecl>(CD->getDeclContext());
const CXXDestructorDecl *Dtor = cast<CXXDestructorDecl>(GD.getDecl());
const CXXRecordDecl *ClassDecl = Dtor->getParent();
assert(!ClassDecl->hasUserDeclaredDestructor() &&
"SynthesizeDefaultDestructor - destructor has user declaration");
(void) ClassDecl;
StartFunction(FD, FD->getResultType(), Fn, Args, SourceLocation());
EmitDtorEpilogue(CD);
StartFunction(GD, Dtor->getResultType(), Fn, Args, SourceLocation());
EmitDtorEpilogue(Dtor);
FinishFunction();
}

25
clang/lib/CodeGen/CodeGenFunction.cpp
View File

@ -141,10 +141,12 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) {
Ptr->eraseFromParent();
}
void CodeGenFunction::StartFunction(const Decl *D, QualType RetTy,
void CodeGenFunction::StartFunction(GlobalDecl GD, QualType RetTy,
llvm::Function *Fn,
const FunctionArgList &Args,
SourceLocation StartLoc) {
const Decl *D = GD.getDecl();
DidCallStackSave = false;
CurCodeDecl = CurFuncDecl = D;
FnRetTy = RetTy;
@ -199,8 +201,10 @@ void CodeGenFunction::StartFunction(const Decl *D, QualType RetTy,
}
}
void CodeGenFunction::GenerateCode(const FunctionDecl *FD,
void CodeGenFunction::GenerateCode(GlobalDecl GD,
llvm::Function *Fn) {
const FunctionDecl *FD = cast<FunctionDecl>(GD.getDecl());
// Check if we should generate debug info for this function.
if (CGM.getDebugInfo() && !FD->hasAttr<NoDebugAttr>())
DebugInfo = CGM.getDebugInfo();
@ -230,7 +234,7 @@ void CodeGenFunction::GenerateCode(const FunctionDecl *FD,
// FIXME: Support CXXTryStmt here, too.
if (const CompoundStmt *S = FD->getCompoundBody()) {
StartFunction(FD, FD->getResultType(), Fn, Args, S->getLBracLoc());
StartFunction(GD, FD->getResultType(), Fn, Args, S->getLBracLoc());
if (const CXXConstructorDecl *CD = dyn_cast<CXXConstructorDecl>(FD))
EmitCtorPrologue(CD);
EmitStmt(S);
@ -246,19 +250,20 @@ void CodeGenFunction::GenerateCode(const FunctionDecl *FD,
if (CD->isCopyConstructor(getContext())) {
assert(!ClassDecl->hasUserDeclaredCopyConstructor() &&
"bogus constructor is being synthesize");
SynthesizeCXXCopyConstructor(CD, FD, Fn, Args);
SynthesizeCXXCopyConstructor(GD, FD, Fn, Args);
}
else {
assert(!ClassDecl->hasUserDeclaredConstructor() &&
"bogus constructor is being synthesize");
SynthesizeDefaultConstructor(CD, FD, Fn, Args);
SynthesizeDefaultConstructor(GD, FD, Fn, Args);
}
}
else if (const CXXDestructorDecl *DD = dyn_cast<CXXDestructorDecl>(FD))
SynthesizeDefaultDestructor(DD, FD, Fn, Args);
else if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD))
if (MD->isCopyAssignment())
SynthesizeCXXCopyAssignment(MD, FD, Fn, Args);
else if (isa<CXXDestructorDecl>(FD))
SynthesizeDefaultDestructor(GD, FD, Fn, Args);
else if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
if (MD->isCopyAssignment())
SynthesizeCXXCopyAssignment(MD, FD, Fn, Args);
}
// Destroy the 'this' declaration.
if (CXXThisDecl)

11
clang/lib/CodeGen/CodeGenFunction.h
View File

@ -345,9 +345,8 @@ public:
llvm::Value *GetAddrOfBlockDecl(const BlockDeclRefExpr *E);
const llvm::Type *BuildByRefType(const ValueDecl *D);
void GenerateCode(const FunctionDecl *FD,
llvm::Function *Fn);
void StartFunction(const Decl *D, QualType RetTy,
void GenerateCode(GlobalDecl GD, llvm::Function *Fn);
void StartFunction(GlobalDecl GD, QualType RetTy,
llvm::Function *Fn,
const FunctionArgList &Args,
SourceLocation StartLoc);
@ -369,7 +368,7 @@ public:
void EmitCtorPrologue(const CXXConstructorDecl *CD);
void SynthesizeCXXCopyConstructor(const CXXConstructorDecl *CD,
void SynthesizeCXXCopyConstructor(GlobalDecl GD,
const FunctionDecl *FD,
llvm::Function *Fn,
const FunctionArgList &Args);
@ -379,12 +378,12 @@ public:
llvm::Function *Fn,
const FunctionArgList &Args);
void SynthesizeDefaultConstructor(const CXXConstructorDecl *CD,
void SynthesizeDefaultConstructor(GlobalDecl GD,
const FunctionDecl *FD,
llvm::Function *Fn,
const FunctionArgList &Args);
void SynthesizeDefaultDestructor(const CXXDestructorDecl *CD,
void SynthesizeDefaultDestructor(GlobalDecl GD,
const FunctionDecl *FD,
llvm::Function *Fn,
const FunctionArgList &Args);

11
clang/lib/CodeGen/CodeGenModule.h
View File

@ -17,6 +17,7 @@
#include "clang/Basic/LangOptions.h"
#include "clang/AST/Attr.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "CGBlocks.h"
#include "CGCall.h"
#include "CGCXX.h"
@ -74,11 +75,9 @@ namespace CodeGen {
class GlobalDecl {
llvm::PointerIntPair<const Decl*, 2> Value;
void init(const Decl *D) {
void Init(const Decl *D) {
assert(!isa<CXXConstructorDecl>(D) && "Use other ctor with ctor decls!");
assert(!isa<CXXDestructorDecl>(D) && "Use other ctor with dtor decls!");
assert(isa<VarDecl>(D) || isa<FunctionDecl>(D)
&& "Invalid decl type passed to GlobalDecl ctor!");
Value.setPointer(D);
}
@ -86,8 +85,10 @@ class GlobalDecl {
public:
GlobalDecl() {}
GlobalDecl(const VarDecl *D) { init(D);}
GlobalDecl(const FunctionDecl *D) { init(D); }
GlobalDecl(const VarDecl *D) { Init(D);}
GlobalDecl(const FunctionDecl *D) { Init(D); }
GlobalDecl(const BlockDecl *D) { Init(D); }
GlobalDecl(const ObjCMethodDecl *D) { Init(D); }
GlobalDecl(const CXXConstructorDecl *D, CXXCtorType Type)
: Value(D, Type) {}