Remove extra parameter.

[oota-llvm.git] / lib / Analysis / InlineCost.cpp

diff --git a/lib/Analysis/InlineCost.cpp b/lib/Analysis/InlineCost.cpp
index 0f1f93b66b0e4f44c5505681051582cc1fa76974..f14dc5d3478be0306d95eaa80a4c91d54d3fcd90 100644 (file)
--- a/lib/Analysis/InlineCost.cpp
+++ b/lib/Analysis/InlineCost.cpp
@@ -22,7 +22,7 @@ using namespace llvm;
 // instructions will be constant folded if the specified value is constant.
 //
 unsigned InlineCostAnalyzer::FunctionInfo::
-         CountCodeReductionForConstant(Value *V) {
+CountCodeReductionForConstant(Value *V) {
   unsigned Reduction = 0;
   for (Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E; ++UI)
     if (isa<BranchInst>(*UI) || isa<SwitchInst>(*UI)) {
@@ -31,7 +31,7 @@ unsigned InlineCostAnalyzer::FunctionInfo::
       const unsigned NumSucc = TI.getNumSuccessors();
       unsigned Instrs = 0;
       for (unsigned I = 0; I != NumSucc; ++I)
-        Instrs += TI.getSuccessor(I)->size();
+        Instrs += Metrics.NumBBInsts[TI.getSuccessor(I)];
       // We don't know which blocks will be eliminated, so use the average size.
       Reduction += InlineConstants::InstrCost*Instrs*(NumSucc-1)/NumSucc;
     } else if (CallInst *CI = dyn_cast<CallInst>(*UI)) {
@@ -142,7 +142,7 @@ static bool callIsSmall(const Function *F) {
 /// from the specified block.
 void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB) {
   ++NumBlocks;
-
+  unsigned NumInstsInThisBB = 0;
   for (BasicBlock::const_iterator II = BB->begin(), E = BB->end();
        II != E; ++II) {
     if (isa<PHINode>(II)) continue;           // PHI nodes don't count.
@@ -196,6 +196,7 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB) {
     }
 
     ++NumInsts;
+    ++NumInstsInThisBB;
   }
   
   if (isa<ReturnInst>(BB->getTerminator()))
@@ -208,6 +209,9 @@ void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB) {
   // function which is extremely undefined behavior.
   if (isa<IndirectBrInst>(BB->getTerminator()))
     NeverInline = true;
+
+  // Remember NumInsts for this BB.
+  NumBBInsts[BB] = NumInstsInThisBB;
 }
 
 /// analyzeFunction - Fill in the current structure with information gleaned