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CodeGen: switch to a range based for loop

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Use a range based for loop instead of manual iteration.  NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215287 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool 2014-08-09 17:21:29 +00:00
parent 06e8dbef25
commit 8eab0e68d3
1 changed files with 4 additions and 3 deletions
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7
lib/CodeGen/IfConversion.cpp
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@ -942,9 +942,8 @@ static bool canFallThroughTo(MachineBasicBlock *BB, MachineBasicBlock *ToBB) {
/// to determine if it can be if-converted. If predecessor is already enqueued,
/// dequeue it!
void IfConverter::InvalidatePreds(MachineBasicBlock *BB) {
for (MachineBasicBlock::pred_iterator PI = BB->pred_begin(),
E = BB->pred_end(); PI != E; ++PI) {
BBInfo &PBBI = BBAnalysis[(*PI)->getNumber()];
for (const auto &Predecessor : BB->predecessors()) {
BBInfo &PBBI = BBAnalysis[Predecessor->getNumber()];
if (PBBI.IsDone || PBBI.BB == BB)
continue;
PBBI.IsAnalyzed = false;
@ -1186,6 +1185,7 @@ bool IfConverter::IfConvertTriangle(BBInfo &BBI, IfcvtKind Kind) {
bool HasEarlyExit = CvtBBI->FalseBB != nullptr;
uint64_t CvtNext = 0, CvtFalse = 0, BBNext = 0, BBCvt = 0, SumWeight = 0;
uint32_t WeightScale = 0;
if (HasEarlyExit) {
// Get weights before modifying CvtBBI->BB and BBI.BB.
CvtNext = MBPI->getEdgeWeight(CvtBBI->BB, NextBBI->BB);
@ -1194,6 +1194,7 @@ bool IfConverter::IfConvertTriangle(BBInfo &BBI, IfcvtKind Kind) {
BBCvt = MBPI->getEdgeWeight(BBI.BB, CvtBBI->BB);
SumWeight = MBPI->getSumForBlock(CvtBBI->BB, WeightScale);
}
if (CvtBBI->BB->pred_size() > 1) {
BBI.NonPredSize -= TII->RemoveBranch(*BBI.BB);
// Copy instructions in the true block, predicate them, and add them to