typedef Function::const_iterator nodes_iterator;
static inline const NodeType *getEntryNode(const BlockFrequencyInfo *G) {
- return G->getFunction()->begin();
+ return &G->getFunction()->front();
}
static ChildIteratorType child_begin(const NodeType *N) {
return succ_begin(N);
} // end namespace llvm
#endif
+BlockFrequencyInfo::BlockFrequencyInfo() {}
+
+BlockFrequencyInfo::BlockFrequencyInfo(const Function &F,
+ const BranchProbabilityInfo &BPI,
+ const LoopInfo &LI) {
+ calculate(F, BPI, LI);
+}
+
void BlockFrequencyInfo::calculate(const Function &F,
const BranchProbabilityInfo &BPI,
const LoopInfo &LI) {
if (!BFI)
BFI.reset(new ImplType);
- BFI->doFunction(&F, &BPI, &LI);
+ BFI->calculate(F, BPI, LI);
#ifndef NDEBUG
if (ViewBlockFreqPropagationDAG != GVDT_None)
view();
return BFI ? BFI->getBlockFreq(BB) : 0;
}
+void BlockFrequencyInfo::setBlockFreq(const BasicBlock *BB,
+ uint64_t Freq) {
+ assert(BFI && "Expected analysis to be available");
+ BFI->setBlockFreq(BB, Freq);
+}
+
/// Pop up a ghostview window with the current block frequency propagation
/// rendered using dot.
void BlockFrequencyInfo::view() const {
INITIALIZE_PASS_BEGIN(BlockFrequencyInfoWrapperPass, "block-freq",
"Block Frequency Analysis", true, true)
-INITIALIZE_PASS_DEPENDENCY(BranchProbabilityInfo)
+INITIALIZE_PASS_DEPENDENCY(BranchProbabilityInfoWrapperPass)
INITIALIZE_PASS_DEPENDENCY(LoopInfoWrapperPass)
INITIALIZE_PASS_END(BlockFrequencyInfoWrapperPass, "block-freq",
"Block Frequency Analysis", true, true)
}
void BlockFrequencyInfoWrapperPass::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addRequired<BranchProbabilityInfo>();
+ AU.addRequired<BranchProbabilityInfoWrapperPass>();
AU.addRequired<LoopInfoWrapperPass>();
AU.setPreservesAll();
}
void BlockFrequencyInfoWrapperPass::releaseMemory() { BFI.releaseMemory(); }
bool BlockFrequencyInfoWrapperPass::runOnFunction(Function &F) {
- BranchProbabilityInfo &BPI = getAnalysis<BranchProbabilityInfo>();
+ BranchProbabilityInfo &BPI =
+ getAnalysis<BranchProbabilityInfoWrapperPass>().getBPI();
LoopInfo &LI = getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
BFI.calculate(F, BPI, LI);
return false;