//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/Module.h"
#include "llvm/Type.h"
#include "llvm/Analysis/CallGraph.h"
+#include "llvm/Analysis/InlineCost.h"
#include "llvm/Support/CallSite.h"
-#include "llvm/Support/Compiler.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/IPO/InlinerPass.h"
-#include "llvm/Transforms/Utils/InlineCost.h"
#include "llvm/ADT/SmallPtrSet.h"
using namespace llvm;
namespace {
- class VISIBILITY_HIDDEN SimpleInliner : public Inliner {
+ class SimpleInliner : public Inliner {
// Functions that are never inlined
SmallPtrSet<const Function*, 16> NeverInline;
InlineCostAnalyzer CA;
public:
- SimpleInliner() : Inliner(&ID) {}
+ SimpleInliner() : Inliner(ID) {
+ initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
+ }
+ SimpleInliner(int Threshold) : Inliner(ID, Threshold) {
+ initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
+ }
static char ID; // Pass identification, replacement for typeid
- int getInlineCost(CallSite CS) {
+ InlineCost getInlineCost(CallSite CS) {
return CA.getInlineCost(CS, NeverInline);
}
+ float getInlineFudgeFactor(CallSite CS) {
+ return CA.getInlineFudgeFactor(CS);
+ }
+ void resetCachedCostInfo(Function *Caller) {
+ CA.resetCachedCostInfo(Caller);
+ }
+ void growCachedCostInfo(Function* Caller, Function* Callee) {
+ CA.growCachedCostInfo(Caller, Callee);
+ }
virtual bool doInitialization(CallGraph &CG);
+ void releaseMemory() {
+ CA.clear();
+ }
};
- char SimpleInliner::ID = 0;
- RegisterPass<SimpleInliner> X("inline", "Function Integration/Inlining");
}
+char SimpleInliner::ID = 0;
+INITIALIZE_PASS_BEGIN(SimpleInliner, "inline",
+ "Function Integration/Inlining", false, false)
+INITIALIZE_AG_DEPENDENCY(CallGraph)
+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);
+}
+
// doInitialization - Initializes the vector of functions that have been
// annotated with the noinline attribute.
bool SimpleInliner::doInitialization(CallGraph &CG) {
Module &M = CG.getModule();
+ for (Module::iterator I = M.begin(), E = M.end();
+ I != E; ++I)
+ if (!I->isDeclaration() && I->hasFnAttr(Attribute::NoInline))
+ NeverInline.insert(I);
+
// Get llvm.noinline
GlobalVariable *GV = M.getNamedGlobal("llvm.noinline");
if (GV == 0)
return false;
+ // Don't crash on invalid code
+ if (!GV->hasDefinitiveInitializer())
+ return false;
+
const ConstantArray *InitList = dyn_cast<ConstantArray>(GV->getInitializer());
if (InitList == 0)