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add a new targetdata ctor to create a target data appropriate to the module 

llvm-svn: 5903
This commit is contained in:
Chris Lattner 2003-04-24 19:09:05 +00:00
parent 02378422a4
commit 42516baf76
1 changed files with 18 additions and 0 deletions
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18
llvm/lib/Target/TargetData.cpp
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@ -11,6 +11,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Target/TargetData.h"
#include "llvm/Module.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Constants.h"
@ -103,6 +104,23 @@ TargetData::TargetData(const std::string &TargetName,
ByteAlignment = ByteAl;
}
TargetData::TargetData(const std::string &ToolName, const Module *M)
: AID(AnnotationManager::getID("TargetData::" + ToolName)) {
AnnotationManager::registerAnnotationFactory(AID, TypeAnFactory, this);
LittleEndian = M->isLittleEndian();
SubWordDataSize = 1;
IntegerRegSize = 8;
PointerSize = M->has32BitPointers() ? 32 : 64;
PointerAlignment = PointerSize;
DoubleAlignment = 8;
FloatAlignment = 4;
LongAlignment = 8;
IntAlignment = 4;
ShortAlignment = 2;
ByteAlignment = 1;
}
TargetData::~TargetData() {
AnnotationManager::registerAnnotationFactory(AID, 0); // Deregister factory
}