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Add some constantness to BranchProbabilityInfo and BlockFrequnencyInfo.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146986 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakub Staszak
2011-12-20 20:03:10 +00:00
parent 514806b52e
commit 25101bb2a7
11 changed files with 33 additions and 18 deletions
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6
lib/CodeGen/MachineBranchProbabilityInfo.cpp
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@@ -29,7 +29,7 @@ char MachineBranchProbabilityInfo::ID = 0;
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 @@ getSumForBlock(MachineBasicBlock *MBB, uint32_t &Scale) const {
}
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;