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Add support for representing edge counts

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llvm-svn: 12228
This commit is contained in:
Chris Lattner 2004-03-08 18:19:37 +00:00
parent 6183fae972
commit 525635b764
1 changed files with 19 additions and 1 deletions
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20
include/llvm/Analysis/ProfileInfoLoader.h
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@ -31,6 +31,7 @@ class ProfileInfoLoader {
std::vector<std::string> CommandLines;
std::vector<unsigned> FunctionCounts;
std::vector<unsigned> BlockCounts;
std::vector<unsigned> EdgeCounts;
public:
// ProfileInfoLoader ctor - Read the specified profiling data file, exiting
// the program if the file is invalid or broken.
@ -50,7 +51,14 @@ public:
// frequency information from whatever we have.
//
bool hasAccurateBlockCounts() const {
return !BlockCounts.empty();
return !BlockCounts.empty() || !EdgeCounts.empty();
}
// hasAccurateEdgeCounts - Return true if we can synthesize accurate edge
// frequency information from whatever we have.
//
bool hasAccurateEdgeCounts() const {
return !EdgeCounts.empty();
}
// getBlockCounts - This method is used by consumers of block counting
@ -58,6 +66,16 @@ public:
// compute it from other, more refined, types of profile information.
//
void getBlockCounts(std::vector<std::pair<BasicBlock*, unsigned> > &Counts);
// getEdgeCounts - This method is used by consumers of edge counting
// information. If we do not directly have edge count information, we compute
// it from other, more refined, types of profile information.
//
// Edges are represented as a pair, where the first element is the basic block
// and the second element is the successor number.
//
typedef std::pair<BasicBlock*, unsigned> Edge;
void getEdgeCounts(std::vector<std::pair<Edge, unsigned> > &Counts);
};
} // End llvm namespace