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CodeGen: use range based for loops (NFC)

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Simplify the RPOT traversal by using a range based for loop for the
iterator dereference.

llvm-svn: 313687
This commit is contained in:
Saleem Abdulrasool 2017-09-19 22:10:20 +00:00
parent 347bb0499d
commit 7b767443e4
1 changed files with 1 additions and 6 deletions
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7
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -1182,12 +1182,7 @@ static void propagateSwiftErrorVRegs(FunctionLoweringInfo *FuncInfo) {
// For each machine basic block in reverse post order. // For each machine basic block in reverse post order.
ReversePostOrderTraversal<MachineFunction *> RPOT(FuncInfo->MF); ReversePostOrderTraversal<MachineFunction *> RPOT(FuncInfo->MF);
for (ReversePostOrderTraversal<MachineFunction *>::rpo_iterator for (MachineBasicBlock *MBB : RPOT) {
It = RPOT.begin(),
E = RPOT.end();
It != E; ++It) {
MachineBasicBlock *MBB = *It;
// For each swifterror value in the function. // For each swifterror value in the function.
for(const auto *SwiftErrorVal : FuncInfo->SwiftErrorVals) { for(const auto *SwiftErrorVal : FuncInfo->SwiftErrorVals) {
auto Key = std::make_pair(MBB, SwiftErrorVal); auto Key = std::make_pair(MBB, SwiftErrorVal);