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Begin collecting some of the statistics for block placement discussed on

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the mailing list. Suggestions for other statistics to collect would be
awesome. =]

Currently these are implemented as a separate pass guarded by a separate
flag. I'm not thrilled by that, but I wanted to be able to collect the
statistics for the old code placement as well as the new in order to
have a point of comparison. I'm planning on folding them into the single
pass if / when there is only one pass of interest.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143537 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2011-11-02 07:17:12 +00:00
parent 205e3378fd
commit 37efc9fe42
5 changed files with 98 additions and 0 deletions
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lib/CodeGen/CodeGen.cpp
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@@ -29,6 +29,7 @@ void llvm::initializeCodeGen(PassRegistry &Registry) {
initializeLiveVariablesPass(Registry);
initializeMachineBlockFrequencyInfoPass(Registry);
initializeMachineBlockPlacementPass(Registry);
initializeMachineBlockPlacementStatsPass(Registry);
initializeMachineCSEPass(Registry);
initializeMachineDominatorTreePass(Registry);
initializeMachineLICMPass(Registry);