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[block-freq] Begin move of BlockFrequency::EntryFreq -> BlockFrequencyImpl::EntryFreq.

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This is a property associated with a function, not with BlockFrequency data.
Additionally it loosens the artifical requirement that the entry frequency
arbitrarily be the same for every function.

There is a series of patches forthcoming updating various code that uses the old
way of getting a block frequency to the new location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197284 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman
2013-12-13 23:44:36 +00:00
parent 5e7d241791
commit ccf34d2295
1 changed files with 5 additions and 2 deletions
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7
include/llvm/Analysis/BlockFrequencyImpl.h
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@@ -48,7 +48,7 @@ class BlockFrequencyImpl {
typedef GraphTraits< Inverse<BlockT *> > GT; typedef GraphTraits< Inverse<BlockT *> > GT;
const uint32_t EntryFreq; static const uint64_t EntryFreq = 1 << 14;
std::string getBlockName(BasicBlock *BB) const { std::string getBlockName(BasicBlock *BB) const {
return BB->getName().str(); return BB->getName().str();
@@ -263,7 +263,7 @@ class BlockFrequencyImpl {
friend class BlockFrequencyInfo; friend class BlockFrequencyInfo;
friend class MachineBlockFrequencyInfo; friend class MachineBlockFrequencyInfo;
BlockFrequencyImpl() : EntryFreq(BlockFrequency::getEntryFrequency()) { } BlockFrequencyImpl() { }
void doFunction(FunctionT *fn, BlockProbInfoT *bpi) { void doFunction(FunctionT *fn, BlockProbInfoT *bpi) {
Fn = fn; Fn = fn;
@@ -312,6 +312,9 @@ class BlockFrequencyImpl {
} }
public: public:
uint64_t getEntryFrequency() { return EntryFreq; }
/// getBlockFreq - Return block frequency. Return 0 if we don't have it. /// getBlockFreq - Return block frequency. Return 0 if we don't have it.
BlockFrequency getBlockFreq(const BlockT *BB) const { BlockFrequency getBlockFreq(const BlockT *BB) const {
typename DenseMap<const BlockT *, BlockFrequency>::const_iterator typename DenseMap<const BlockT *, BlockFrequency>::const_iterator