Update CMake files.

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

diff --git a/lib/Transforms/IPO/InlineAlways.cpp b/lib/Transforms/IPO/InlineAlways.cpp
index 0c9bd38937fe54c37bce2f907d76e8ddf54039f8..5f9ea5453c1f6d8139ecb6173a591c43184de01a 100644 (file)
--- a/lib/Transforms/IPO/InlineAlways.cpp
+++ b/lib/Transforms/IPO/InlineAlways.cpp
@@ -1,4 +1,4 @@
-//===- InlineAlways.cpp - Code to perform simple function inlining --------===//
+//===- InlineAlways.cpp - Code to inline always_inline functions ----------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,7 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements bottom-up inlining of functions into callees.
+// This file implements a custom inliner that handles only functions that
+// are marked as "always inline".
 //
 //===----------------------------------------------------------------------===//
 
@@ -38,33 +39,37 @@ namespace {
     // Use extremely low threshold. 
     AlwaysInliner() : Inliner(&ID, -2000000000) {}
     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) {
+      return CA.resetCachedCostInfo(Caller);
+    }
+    virtual bool doFinalization(CallGraph &CG) { 
+      return removeDeadFunctions(CG, &NeverInline); 
+    }
     virtual bool doInitialization(CallGraph &CG);
   };
 }
 
 char AlwaysInliner::ID = 0;
 static RegisterPass<AlwaysInliner>
-X("always-inline", "Inliner that handles always_inline functions");
+X("always-inline", "Inliner for always_inline functions");
 
 Pass *llvm::createAlwaysInlinerPass() { return new AlwaysInliner(); }
 
 // doInitialization - Initializes the vector of functions that have not 
 // been annotated with the "always inline" attribute.
 bool AlwaysInliner::doInitialization(CallGraph &CG) {
-  
   Module &M = CG.getModule();
   
   for (Module::iterator I = M.begin(), E = M.end();
        I != E; ++I)
-    if (!I->isDeclaration() && I->getNotes() != FN_NOTE_AlwaysInline)
+    if (!I->isDeclaration() && !I->hasFnAttr(Attribute::AlwaysInline))
       NeverInline.insert(I);
 
   return false;
 }
-