#define DEBUG_TYPE "inline"
#include "llvm/Transforms/IPO.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/InlineCost.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Transforms/IPO/InlinerPass.h"
using namespace llvm;
namespace {
class SimpleInliner : public Inliner {
InlineCostAnalysis *ICA;
public:
SimpleInliner() : Inliner(ID), ICA(0) {
initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
}
SimpleInliner(int Threshold)
: Inliner(ID, Threshold, true), ICA(0) {
initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
}
static char ID;
InlineCost getInlineCost(CallSite CS) {
return ICA->getInlineCost(CS, getInlineThreshold(CS));
}
virtual bool runOnSCC(CallGraphSCC &SCC);
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
};
}
char SimpleInliner::ID = 0;
INITIALIZE_PASS_BEGIN(SimpleInliner, "inline",
"Function Integration/Inlining", false, false)
INITIALIZE_AG_DEPENDENCY(CallGraph)
INITIALIZE_PASS_DEPENDENCY(InlineCostAnalysis)
INITIALIZE_PASS_END(SimpleInliner, "inline",
"Function Integration/Inlining", false, false)
Pass *llvm::createFunctionInliningPass() { return new SimpleInliner(); }
Pass *llvm::createFunctionInliningPass(int Threshold) {
return new SimpleInliner(Threshold);
}
bool SimpleInliner::runOnSCC(CallGraphSCC &SCC) {
ICA = &getAnalysis<InlineCostAnalysis>();
return Inliner::runOnSCC(SCC);
}
void SimpleInliner::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<InlineCostAnalysis>();
Inliner::getAnalysisUsage(AU);
}