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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-06-08 14:13:31 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-06-08 14:13:31 +0000 |
| commit | 0cdca089b289845664d660f0b285499800822919 (patch) | |
| tree | 00670605794395906c8b50bb61252e76d2ff4e06 /lib/CodeGen/TailDuplication.cpp | |
| parent | aaa5f14d7c8cf0757e062046e8a3780ef80ebb10 (diff) | |
| download | llvm-0cdca089b289845664d660f0b285499800822919.tar.gz llvm-0cdca089b289845664d660f0b285499800822919.tar.bz2 llvm-0cdca089b289845664d660f0b285499800822919.tar.xz | |
Count how many phis we are creating.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132748 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TailDuplication.cpp')
| -rw-r--r-- | lib/CodeGen/TailDuplication.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/TailDuplication.cpp b/lib/CodeGen/TailDuplication.cpp index 04d3d311b4..ea62b191c4 100644 --- a/lib/CodeGen/TailDuplication.cpp +++ b/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(); } |