Enable the loop vectorizer.

[oota-llvm.git] / lib / Transforms / IPO / InlineSimple.cpp

diff --git a/lib/Transforms/IPO/InlineSimple.cpp b/lib/Transforms/IPO/InlineSimple.cpp
index 38bf0610b3872e84c2b5792cef96db1b77facc24..9c5feba08b6225b22eca23f764af59216c715b95 100644 (file)
--- a/lib/Transforms/IPO/InlineSimple.cpp
+++ b/lib/Transforms/IPO/InlineSimple.cpp
@@ -2,8 +2,8 @@
 //
 //                     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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ -12,73 +12,58 @@
 //===----------------------------------------------------------------------===//
 
 #define DEBUG_TYPE "inline"
+#include "llvm/Transforms/IPO.h"
+#include "llvm/Analysis/CallGraph.h"
+#include "llvm/Analysis/InlineCost.h"
 #include "llvm/CallingConv.h"
+#include "llvm/DataLayout.h"
 #include "llvm/Instructions.h"
 #include "llvm/IntrinsicInst.h"
 #include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "llvm/Analysis/CallGraph.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"
+#include "llvm/Type.h"
 
 using namespace llvm;
 
 namespace {
 
-  class VISIBILITY_HIDDEN SimpleInliner : public Inliner {
-    // Functions that are never inlined
-    SmallPtrSet<const Function*, 16> NeverInline; 
+  class SimpleInliner : public Inliner {
     InlineCostAnalyzer CA;
   public:
-    SimpleInliner() : Inliner(&ID) {}
+    SimpleInliner() : Inliner(ID) {
+      initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
+    }
+    SimpleInliner(int Threshold) : Inliner(ID, Threshold,
+                                           /*InsertLifetime*/true) {
+      initializeSimpleInlinerPass(*PassRegistry::getPassRegistry());
+    }
     static char ID; // Pass identification, replacement for typeid
-    int getInlineCost(CallSite CS) {
-      return CA.getInlineCost(CS, NeverInline);
+    InlineCost getInlineCost(CallSite CS) {
+      return CA.getInlineCost(CS, getInlineThreshold(CS));
     }
+    using llvm::Pass::doInitialization;
     virtual bool doInitialization(CallGraph &CG);
   };
-  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();
-  
-  // Get llvm.noinline
-  GlobalVariable *GV = M.getNamedGlobal("llvm.noinline");
-  
-  if (GV == 0)
-    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);
-  }
-  
+  CA.setDataLayout(getAnalysisIfAvailable<DataLayout>());
   return false;
 }