view ir/irfunction.cpp @ 632:df196c8dea26

Updated to latest LLVM trunk, function notes have been removed and merged with parameter attributes, which have been renamed to just attributes. Nothing seems to have broke!
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Wed, 01 Oct 2008 23:17:14 +0200
parents c7d7e2282ba3
children 2ebac4750adb
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#include "gen/llvm.h"
#include "gen/tollvm.h"
#include "ir/irfunction.h"

#include <sstream>

//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////

IrFunction::IrFunction(FuncDeclaration* fd)
{
    decl = fd;

    Type* t = fd->type->toBasetype();
    assert(t->ty == Tfunction);
    type = (TypeFunction*)t;
    func = NULL;
    allocapoint = NULL;

    queued = false;
    defined = false;

    retArg = NULL;
    thisArg = NULL;
    nestArg = NULL;

    nestedVar = NULL;
    
    _arguments = NULL;
    _argptr = NULL;
    
    dwarfSubProg = NULL;

    srcfileArg = NULL;
    msgArg = NULL;

    nextUnique.push(0);
}

std::string IrFunction::getScopedLabelName(const char* ident)
{
    if(labelScopes.empty())
        return std::string(ident);

    std::string result = "__";
    for(unsigned int i = 0; i < labelScopes.size(); ++i)
        result += labelScopes[i] + "_";
    return result + ident;
}

void IrFunction::pushUniqueLabelScope(const char* name)
{
    std::ostringstream uniquename;
    uniquename << name << nextUnique.top()++;
    nextUnique.push(0);
    labelScopes.push_back(uniquename.str());
}

void IrFunction::popLabelScope()
{
    labelScopes.pop_back();
    nextUnique.pop();
}

void IrFunction::setNeverInline()
{
    assert(!func->hasFnAttr(llvm::Attribute::AlwaysInline) && "function can't be never- and always-inline at the same time");
    func->addFnAttr(llvm::Attribute::NoInline);
}

void IrFunction::setAlwaysInline()
{
    assert(!func->hasFnAttr(llvm::Attribute::NoInline) && "function can't be never- and always-inline at the same time");
    func->addFnAttr(llvm::Attribute::AlwaysInline);
}