diff options
| -rw-r--r-- | llvm/lib/CodeGen/TailDuplication.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp index 04d3d311b41..ea62b191c4d 100644 --- a/llvm/lib/CodeGen/TailDuplication.cpp +++ b/llvm/lib/CodeGen/TailDuplication.cpp @@ -34,6 +34,7 @@ STATISTIC(NumTails , "Number of tails duplicated"); STATISTIC(NumTailDups , "Number of tail duplicated blocks"); STATISTIC(NumInstrDups , "Additional instructions due to tail duplication"); STATISTIC(NumDeadBlocks, "Number of dead blocks removed"); +STATISTIC(NumAddedPHIs , "Number of phis added"); // Heuristic for tail duplication. static cl::opt<unsigned> @@ -246,6 +247,7 @@ bool TailDuplicatePass::TailDuplicateBlocks(MachineFunction &MF) { } } + NumAddedPHIs += NewPHIs.size(); SSAUpdateVRs.clear(); SSAUpdateVals.clear(); } |
