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Change Module to use TargetData-compatible strings internally.

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This is part of the on-going work on PR 761.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28379 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2006-05-18 02:10:31 +00:00
parent 0f3ac8d8d4
commit 1d8b8535ec
2 changed files with 65 additions and 7 deletions
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61
lib/VMCore/Module.cpp
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@ -16,10 +16,12 @@
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/LeakDetector.h"
#include "SymbolTableListTraitsImpl.h"
#include <algorithm>
#include <cstdarg>
#include <cstdlib>
#include <iostream>
#include <map>
using namespace llvm;
@ -61,7 +63,7 @@ template class SymbolTableListTraits<Function, Module, Module>;
//
Module::Module(const std::string &MID)
: ModuleID(MID), Endian(AnyEndianness), PtrSize(AnyPointerSize) {
: ModuleID(MID), DataLayout("") {
FunctionList.setItemParent(this);
FunctionList.setParent(this);
GlobalList.setItemParent(this);
@ -84,6 +86,63 @@ void Module::dump() const {
print(std::cerr);
}
/// Target endian information...
Module::Endianness Module::getEndianness() const {
std::string temp = DataLayout;
while (temp.length() > 0) {
std::string token = getToken(temp, "-");
if (token[0] == 'e') {
return LittleEndian;
} else if (token[0] == 'E') {
return BigEndian;
}
}
return AnyEndianness;
}
void Module::setEndianness(Endianness E) {
if (DataLayout.compare("") != 0 && E != AnyEndianness)
DataLayout.insert(0, "-");
if (E == LittleEndian)
DataLayout.insert(0, "e");
else if (E == BigEndian)
DataLayout.insert(0, "E");
}
/// Target Pointer Size information...
Module::PointerSize Module::getPointerSize() const {
std::string temp = DataLayout;
while (temp.length() > 0) {
std::string token = getToken(temp, "-");
char signal = getToken(token, ":")[0];
if (signal == 'p') {
int size = atoi(getToken(token, ":").c_str());
if (size == 32)
return Pointer32;
else if (size == 64)
return Pointer64;
}
}
return AnyPointerSize;
}
void Module::setPointerSize(PointerSize PS) {
if (DataLayout.compare("") != 0 && PS != AnyPointerSize)
DataLayout.insert(0, "-");
if (PS == Pointer32)
DataLayout.insert(0, "p:32:32");
else if (PS == Pointer64)
DataLayout.insert(0, "p:64:64");
}
//===----------------------------------------------------------------------===//
// Methods for easy access to the functions in the module.
//