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diff --git a/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp b/contrib/llvm/lib/Transforms/IPO/InlineSimple.cpp
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+//===- InlineSimple.cpp - Code to perform simple function inlining --------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements bottom-up inlining of functions into callees.
+//
+//===----------------------------------------------------------------------===//
+
+#define DEBUG_TYPE "inline"
+#include "llvm/CallingConv.h"
+#include "llvm/Instructions.h"
+#include "llvm/IntrinsicInst.h"
+#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/Transforms/IPO.h"
+#include "llvm/Transforms/IPO/InlinerPass.h"
+#include "llvm/ADT/SmallPtrSet.h"
+
+using namespace llvm;
+
+namespace {
+
+ class SimpleInliner : public Inliner {
+ // Functions that are never inlined
+ SmallPtrSet<const Function*, 16> NeverInline;
+ InlineCostAnalyzer CA;
+ public:
+ SimpleInliner() : Inliner(&ID) {}
+ SimpleInliner(int Threshold) : Inliner(&ID, Threshold) {}
+ static char ID; // Pass identification, replacement for typeid
+ 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;
+static RegisterPass<SimpleInliner>
+X("inline", "Function Integration/Inlining");
+
+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)
+ return false;
+
+ // Iterate over each element and add to the NeverInline set
+ for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
+
+ // Get Source
+ const Constant *Elt = InitList->getOperand(i);
+
+ if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(Elt))
+ if (CE->getOpcode() == Instruction::BitCast)
+ Elt = CE->getOperand(0);
+
+ // Insert into set of functions to never inline
+ if (const Function *F = dyn_cast<Function>(Elt))
+ NeverInline.insert(F);
+ }
+
+ return false;
+}
+
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