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.

llvm-svn: 184835

1 files changed, 0 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp b/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
index 070daf2e2ba..e269d24e1d5 100644
--- a/llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp
+++ b/llvm/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);