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-rw-r--r--lib/Analysis/InlineCost.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/Analysis/InlineCost.cpp b/lib/Analysis/InlineCost.cpp
index 0f1f93b..5b8b534 100644
--- 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)) {
@@ -120,7 +120,7 @@ static bool callIsSmall(const Function *F) {
StringRef Name = F->getName();
// These will all likely lower to a single selection DAG node.
- if (Name == "copysign" || Name == "copysignf" ||
+ if (Name == "copysign" || Name == "copysignf" || Name == "copysignl" ||
Name == "fabs" || Name == "fabsf" || Name == "fabsl" ||
Name == "sin" || Name == "sinf" || Name == "sinl" ||
Name == "cos" || Name == "cosf" || Name == "cosl" ||
@@ -142,7 +142,7 @@ static bool callIsSmall(const Function *F) {
/// from the specified block.
void CodeMetrics::analyzeBasicBlock(const BasicBlock *BB) {
++NumBlocks;
-
+ unsigned NumInstsBeforeThisBB = NumInsts;
for (BasicBlock::const_iterator II = BB->begin(), E = BB->end();
II != E; ++II) {
if (isa<PHINode>(II)) continue; // PHI nodes don't count.
@@ -208,6 +208,9 @@ 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] = NumInsts - NumInstsBeforeThisBB;
}
/// analyzeFunction - Fill in the current structure with information gleaned
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