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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-04-25 16:32:23 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-04-25 16:32:23 +0000 |
| commit | 50e1d84ba8efc1973137c65e0b0e048ecf8cf5d6 (patch) | |
| tree | 843b9edeb4572920a0e44fd8a4558a61d9fe1cd1 /include/llvm/CodeGen/LiveIntervalAnalysis.h | |
| parent | a62efd82ccb979df9e7b8f99913c83d698a6994e (diff) | |
| download | llvm-50e1d84ba8efc1973137c65e0b0e048ecf8cf5d6.tar.gz llvm-50e1d84ba8efc1973137c65e0b0e048ecf8cf5d6.tar.bz2 llvm-50e1d84ba8efc1973137c65e0b0e048ecf8cf5d6.tar.xz | |
Simplify LiveIntervals::getApproximateInstructionCount().
This function is only used for a heuristic during -join-physregs. It
doesn't need floating point.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155554 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen/LiveIntervalAnalysis.h')
| -rw-r--r-- | include/llvm/CodeGen/LiveIntervalAnalysis.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h index 9329338976..c3c6e2d15c 100644 --- a/include/llvm/CodeGen/LiveIntervalAnalysis.h +++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h @@ -147,8 +147,7 @@ namespace llvm { /// getApproximateInstructionCount - computes an estimate of the number /// of instructions in a given LiveInterval. unsigned getApproximateInstructionCount(LiveInterval& I) { - double IntervalPercentage = getScaledIntervalSize(I) / 1000.0; - return (unsigned)(IntervalPercentage * indexes_->getFunctionSize()); + return I.getSize()/SlotIndex::InstrDist; } // Interval creation |