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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-06-25 13:34:40 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-06-25 13:34:40 +0000 |
| commit | 75b51621540c23ddfc1e9ef6b4dc803453d9d122 (patch) | |
| tree | af6b6ccad18756a9c96e2917fa58b68c4b391eaf /lib/CodeGen/MachineBlockFrequencyInfo.cpp | |
| parent | 1bc147c0910bb02398730c79e0d0310ffbbd2868 (diff) | |
| download | llvm-75b51621540c23ddfc1e9ef6b4dc803453d9d122.tar.gz llvm-75b51621540c23ddfc1e9ef6b4dc803453d9d122.tar.bz2 llvm-75b51621540c23ddfc1e9ef6b4dc803453d9d122.tar.xz | |
BlockFrequency: Bump up the entry frequency a bit.
This is a band-aid to fix the most severe regressions we're seeing from basing
spill decisions on block frequencies, until we have a better solution.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184835 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineBlockFrequencyInfo.cpp')
| -rw-r--r-- | lib/CodeGen/MachineBlockFrequencyInfo.cpp | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/lib/CodeGen/MachineBlockFrequencyInfo.cpp b/lib/CodeGen/MachineBlockFrequencyInfo.cpp index 070daf2e2b..e269d24e1d 100644 --- a/lib/CodeGen/MachineBlockFrequencyInfo.cpp +++ b/lib/CodeGen/MachineBlockFrequencyInfo.cpp @@ -50,11 +50,6 @@ bool MachineBlockFrequencyInfo::runOnMachineFunction(MachineFunction &F) { return false; } -/// getblockFreq - Return block frequency. Return 0 if we don't have the -/// information. Please note that initial frequency is equal to 1024. It means -/// that we should not rely on the value itself, but only on the comparison to -/// the other block frequencies. We do this to avoid using of floating points. -/// BlockFrequency MachineBlockFrequencyInfo:: getBlockFreq(const MachineBasicBlock *MBB) const { return MBFI->getBlockFreq(MBB); |