Revert "Fix a quadratic algorithm in MachineBranchProbabilityInfo."
It caused an assertion failure when compiling consumer-typeset.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineBasicBlock.cpp b/lib/CodeGen/MachineBasicBlock.cpp
index 2ba414d..f361d1a 100644
--- a/lib/CodeGen/MachineBasicBlock.cpp
+++ b/lib/CodeGen/MachineBasicBlock.cpp
@@ -912,11 +912,12 @@
/// getSuccWeight - Return weight of the edge from this block to MBB.
///
-uint32_t MachineBasicBlock::getSuccWeight(const_succ_iterator Succ) const {
+uint32_t MachineBasicBlock::getSuccWeight(const MachineBasicBlock *succ) const {
if (Weights.empty())
return 0;
- return *getWeightIterator(Succ);
+ const_succ_iterator I = std::find(Successors.begin(), Successors.end(), succ);
+ return *getWeightIterator(I);
}
/// getWeightIterator - Return wight iterator corresonding to the I successor