Add some constantness to BranchProbabilityInfo and BlockFrequnencyInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146986 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineBranchProbabilityInfo.cpp b/lib/CodeGen/MachineBranchProbabilityInfo.cpp
index dc45e46..0cc1af0 100644
--- a/lib/CodeGen/MachineBranchProbabilityInfo.cpp
+++ b/lib/CodeGen/MachineBranchProbabilityInfo.cpp
@@ -29,7 +29,7 @@
void MachineBranchProbabilityInfo::anchor() { }
uint32_t MachineBranchProbabilityInfo::
-getSumForBlock(MachineBasicBlock *MBB, uint32_t &Scale) const {
+getSumForBlock(const MachineBasicBlock *MBB, uint32_t &Scale) const {
// First we compute the sum with 64-bits of precision, ensuring that cannot
// overflow by bounding the number of weights considered. Hopefully no one
// actually needs 2^32 successors.
@@ -61,8 +61,8 @@
}
uint32_t
-MachineBranchProbabilityInfo::getEdgeWeight(MachineBasicBlock *Src,
- MachineBasicBlock *Dst) const {
+MachineBranchProbabilityInfo::getEdgeWeight(const MachineBasicBlock *Src,
+ const MachineBasicBlock *Dst) const {
uint32_t Weight = Src->getSuccWeight(Dst);
if (!Weight)
return DEFAULT_WEIGHT;