diff options
Diffstat (limited to 'tools/llvm-prof')
| -rw-r--r-- | tools/llvm-prof/ProfileInfo.cpp | 11 | ||||
| -rw-r--r-- | tools/llvm-prof/llvm-prof.cpp | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/tools/llvm-prof/ProfileInfo.cpp b/tools/llvm-prof/ProfileInfo.cpp index 4c31138aa3..78de9c16c7 100644 --- a/tools/llvm-prof/ProfileInfo.cpp +++ b/tools/llvm-prof/ProfileInfo.cpp @@ -141,8 +141,15 @@ ProfileInfo::ProfileInfo(const char *ToolName, const std::string &Filename, void ProfileInfo::getFunctionCounts(std::vector<std::pair<Function*, unsigned> > &Counts) { if (FunctionCounts.empty()) { - std::cerr << "Function counts not available, and no synthesis " - << "is implemented yet!\n"; + // Synthesize function frequency information from the number of times their + // entry blocks were executed. + std::vector<std::pair<BasicBlock*, unsigned> > BlockCounts; + getBlockCounts(BlockCounts); + + for (unsigned i = 0, e = BlockCounts.size(); i != e; ++i) + if (&BlockCounts[i].first->getParent()->front() == BlockCounts[i].first) + Counts.push_back(std::make_pair(BlockCounts[i].first->getParent(), + BlockCounts[i].second)); return; } diff --git a/tools/llvm-prof/llvm-prof.cpp b/tools/llvm-prof/llvm-prof.cpp index 083e1ce170..a459a38937 100644 --- a/tools/llvm-prof/llvm-prof.cpp +++ b/tools/llvm-prof/llvm-prof.cpp @@ -123,7 +123,7 @@ int main(int argc, char **argv) { unsigned BlocksToPrint = Counts.size(); if (BlocksToPrint > 20) BlocksToPrint = 20; for (unsigned i = 0; i != BlocksToPrint; ++i) - printf("%3d. %5d/%d %s - %s\n", i+1, Counts[i].second, TotalExecutions, + printf("%3d. %5d/%d %s() - %s\n", i+1, Counts[i].second, TotalExecutions, Counts[i].first->getParent()->getName().c_str(), Counts[i].first->getName().c_str()); |