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Simple refactorings to prepare for lazy global emission

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Also, add a stat for the number of globals emitted

llvm-svn: 10547
This commit is contained in:
Chris Lattner 2003-12-20 02:45:37 +00:00
parent 8fdf8b8d71
commit 214005e5fb
1 changed files with 16 additions and 2 deletions
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18
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -30,6 +30,7 @@ using namespace llvm;
namespace {
Statistic<> NumInitBytes("lli", "Number of bytes of global vars initialized");
Statistic<> NumGlobals ("lli", "Number of global vars initialized");
}
ExecutionEngine::ExecutionEngine(ModuleProvider *P) :
@ -372,7 +373,7 @@ void ExecutionEngine::emitGlobals() {
// Allocate some memory for it!
unsigned Size = TD.getTypeSize(Ty);
GlobalAddress[I] = new char[Size];
addGlobalMapping(I, new char[Size]);
NumInitBytes += Size;
DEBUG(std::cerr << "Global '" << I->getName() << "' -> "
@ -394,5 +395,18 @@ void ExecutionEngine::emitGlobals() {
for (Module::giterator I = getModule().gbegin(), E = getModule().gend();
I != E; ++I)
if (!I->isExternal())
InitializeMemory(I->getInitializer(), GlobalAddress[I]);
EmitGlobalVariable(I);
}
// EmitGlobalVariable - This method emits the specified global variable to the
// address specified in GlobalAddresses, or allocates new memory if it's not
// already in the map.
void ExecutionEngine::EmitGlobalVariable(GlobalVariable *GV) {
void *&GA = GlobalAddress[GV];
if (GA == 0) {
// If it's not already specified, allocate memory for the global.
GA = new char[getTargetData().getTypeSize(GV->getType()->getElementType())];
}
InitializeMemory(GV->getInitializer(), GA);
++NumGlobals;
}