D/ldc
1
0
Fork 0
mirror of https://github.com/xomboverlord/ldc.git synced 2026-02-28 01:23:14 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Move function codegen data from IrFunction to new FuncGen.

Browse Source 
This change reduces memory consumption significantly by releasing the
memory held by the STL containers that are now inside FuncGen.
This commit is contained in:
Christian Kamm
2009-06-20 19:11:44 +02:00
parent 7dbe9baa37
commit 42b3da8ac7
7 changed files with 138 additions and 124 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
ir/irfunction.h
View File

@@ -29,14 +29,58 @@ struct IRTargetScope
IRTargetScope(Statement* s, EnclosingHandler* enclosinghandler, llvm::BasicBlock* continueTarget, llvm::BasicBlock* breakTarget);
};
struct FuncGen
{
FuncGen();
// pushes a unique label scope of the given name
void pushUniqueLabelScope(const char* name);
// pops a label scope
void popLabelScope();
// gets the string under which the label's BB
// is stored in the labelToBB map.
// essentially prefixes ident by the strings in labelScopes
std::string getScopedLabelName(const char* ident);
// label to basic block lookup
typedef std::map<std::string, llvm::BasicBlock*> LabelToBBMap;
LabelToBBMap labelToBB;
// loop blocks
typedef std::vector<IRTargetScope> TargetScopeVec;
TargetScopeVec targetScopes;
// landing pads for try statements
IRLandingPad landingPadInfo;
llvm::BasicBlock* landingPad;
private:
// prefix for labels and gotos
// used for allowing labels to be emitted twice
std::vector<std::string> labelScopes;
// next unique id stack
std::stack<int> nextUnique;
};
// represents a function
struct IrFunction : IrBase
{
// constructor
IrFunction(FuncDeclaration* fd);
// annotations
void setNeverInline();
void setAlwaysInline();
llvm::Function* func;
llvm::Instruction* allocapoint;
FuncDeclaration* decl;
TypeFunction* type;
FuncGen* gen;
bool queued;
bool defined;
@@ -54,43 +98,6 @@ struct IrFunction : IrBase
llvm::Value* _argptr;
llvm::DISubprogram diSubprogram;
// pushes a unique label scope of the given name
void pushUniqueLabelScope(const char* name);
// pops a label scope
void popLabelScope();
// gets the string under which the label's BB
// is stored in the labelToBB map.
// essentially prefixes ident by the strings in labelScopes
std::string getScopedLabelName(const char* ident);
// label to basic block lookup
typedef std::map<std::string, llvm::BasicBlock*> LabelToBBMap;
LabelToBBMap labelToBB;
// landing pads for try statements
IRLandingPad landingPadInfo;
llvm::BasicBlock* landingPad;
// loop blocks
typedef std::vector<IRTargetScope> TargetScopeVec;
TargetScopeVec targetScopes;
// constructor
IrFunction(FuncDeclaration* fd);
// annotations
void setNeverInline();
void setAlwaysInline();
private:
// prefix for labels and gotos
// used for allowing labels to be emitted twice
std::vector<std::string> labelScopes;
// next unique id stack
std::stack<int> nextUnique;
};
#endif