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Implement global variable support

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@530 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2001-09-10 07:58:01 +00:00
parent 7720c8e1a7
commit 70cc3397f8
14 changed files with 219 additions and 29 deletions
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22
lib/Bytecode/Reader/Reader.cpp
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@ -12,6 +12,7 @@
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/Format.h"
#include "llvm/GlobalVariable.h"
#include "llvm/Module.h"
#include "llvm/BasicBlock.h"
#include "llvm/DerivedTypes.h"
@ -312,10 +313,28 @@ bool BytecodeParser::ParseMethod(const uchar *&Buf, const uchar *EndBuf,
bool BytecodeParser::ParseModuleGlobalInfo(const uchar *&Buf, const uchar *End,
Module *C) {
if (!MethodSignatureList.empty())
return failure(true); // Two ModuleGlobal blocks?
// Read global variables...
unsigned VarType;
if (read_vbr(Buf, End, VarType)) return failure(true);
while (VarType != Type::VoidTyID) { // List is terminated by Void
const Type *Ty = getType(VarType);
if (!Ty || !Ty->isPointerType()) {
cerr << "Global not pointer type! Ty = " << Ty << endl;
return failure(true);
}
// Create the global variable...
GlobalVariable *GV = new GlobalVariable(Ty);
insertValue(GV, ModuleValues);
C->getGlobalList().push_back(GV);
if (read_vbr(Buf, End, VarType)) return failure(true);
BCR_TRACE(2, "Global Variable of type: " << Ty->getDescription() << endl);
}
// Read the method signatures for all of the methods that are coming, and
// create fillers in the Value tables.
unsigned MethSignature;
@ -324,7 +343,6 @@ bool BytecodeParser::ParseModuleGlobalInfo(const uchar *&Buf, const uchar *End,
const Type *Ty = getType(MethSignature);
if (!Ty || !Ty->isMethodType()) {
cerr << "Method not meth type! Ty = " << Ty << endl;
if (Ty) cerr << Ty->getName(); else cerr << MethSignature; cerr << endl;
return failure(true);
}