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Revert "Fix a quadratic algorithm in MachineBranchProbabilityInfo."

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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
This commit is contained in:
Jakob Stoklund Olesen
2012-08-08 01:10:31 +00:00
parent 39ad568c62
commit 913ff09a9a
4 changed files with 13 additions and 23 deletions
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5
lib/CodeGen/MachineBasicBlock.cpp
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@@ -912,11 +912,12 @@ MachineBasicBlock::findDebugLoc(instr_iterator MBBI) {
/// 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