diff options
author | Andrew Trick <atrick@apple.com> | 2011-01-29 01:09:53 +0000 |
---|---|---|
committer | Andrew Trick <atrick@apple.com> | 2011-01-29 01:09:53 +0000 |
commit | 04317cc618aeae28910916469e074d8ce0fcaa03 (patch) | |
tree | 5ea1ef8b97500d011b703e296c66a2056782b0a3 /lib/Transforms/Instrumentation/OptimalEdgeProfiling.cpp | |
parent | db9cd76635220ebc6451069667e9aaaacb4fc455 (diff) | |
download | external_llvm-04317cc618aeae28910916469e074d8ce0fcaa03.zip external_llvm-04317cc618aeae28910916469e074d8ce0fcaa03.tar.gz external_llvm-04317cc618aeae28910916469e074d8ce0fcaa03.tar.bz2 |
Implementation of path profiling.
Modified patch by Adam Preuss.
This builds on the existing framework for block tracing, edge profiling and optimal edge profiling.
See -help-hidden for new flags.
For documentation, see the technical report "Implementation of Path Profiling..." in llvm.org/pubs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124515 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Instrumentation/OptimalEdgeProfiling.cpp')
-rw-r--r-- | lib/Transforms/Instrumentation/OptimalEdgeProfiling.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Transforms/Instrumentation/OptimalEdgeProfiling.cpp b/lib/Transforms/Instrumentation/OptimalEdgeProfiling.cpp index 96a5417..c85a1a9 100644 --- a/lib/Transforms/Instrumentation/OptimalEdgeProfiling.cpp +++ b/lib/Transforms/Instrumentation/OptimalEdgeProfiling.cpp @@ -52,12 +52,12 @@ namespace { } char OptimalEdgeProfiler::ID = 0; -INITIALIZE_PASS_BEGIN(OptimalEdgeProfiler, "insert-optimal-edge-profiling", +INITIALIZE_PASS_BEGIN(OptimalEdgeProfiler, "insert-optimal-edge-profiling", "Insert optimal instrumentation for edge profiling", false, false) INITIALIZE_PASS_DEPENDENCY(ProfileEstimatorPass) INITIALIZE_AG_DEPENDENCY(ProfileInfo) -INITIALIZE_PASS_END(OptimalEdgeProfiler, "insert-optimal-edge-profiling", +INITIALIZE_PASS_END(OptimalEdgeProfiler, "insert-optimal-edge-profiling", "Insert optimal instrumentation for edge profiling", false, false) @@ -132,11 +132,11 @@ bool OptimalEdgeProfiler::runOnModule(Module &M) { // Calculate a Maximum Spanning Tree with the edge weights determined by // ProfileEstimator. ProfileEstimator also assign weights to the virtual // edges (0,entry) and (BB,0) (for blocks with no successors) and this - // edges also participate in the maximum spanning tree calculation. + // edges also participate in the maximum spanning tree calculation. // The third parameter of MaximumSpanningTree() has the effect that not the // actual MST is returned but the edges _not_ in the MST. - ProfileInfo::EdgeWeights ECs = + ProfileInfo::EdgeWeights ECs = getAnalysis<ProfileInfo>(*F).getEdgeWeights(F); std::vector<ProfileInfo::EdgeWeight> EdgeVector(ECs.begin(), ECs.end()); MaximumSpanningTree<BasicBlock> MST (EdgeVector); |