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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313687 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool 2017-09-19 22:10:20 +00:00
parent 8451f3b13d
commit 54c2f80375
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.
ReversePostOrderTraversal<MachineFunction *> RPOT(FuncInfo->MF);
for (ReversePostOrderTraversal<MachineFunction *>::rpo_iterator
It = RPOT.begin(),
E = RPOT.end();
It != E; ++It) {
MachineBasicBlock *MBB = *It;
for (MachineBasicBlock *MBB : RPOT) {
// For each swifterror value in the function.
for(const auto *SwiftErrorVal : FuncInfo->SwiftErrorVals) {
auto Key = std::make_pair(MBB, SwiftErrorVal);