Add more constantness in BlockFrequencyInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136816 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineBlockFrequencyInfo.cpp b/lib/CodeGen/MachineBlockFrequencyInfo.cpp
index 4e08ebe..b92cda9 100644
--- a/lib/CodeGen/MachineBlockFrequencyInfo.cpp
+++ b/lib/CodeGen/MachineBlockFrequencyInfo.cpp
@@ -55,6 +55,7 @@
/// 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(MachineBasicBlock *MBB) {
+BlockFrequency MachineBlockFrequencyInfo::
+getBlockFreq(MachineBasicBlock *MBB) const {
return MBFI->getBlockFreq(MBB);
}