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-rw-r--r--llvm/lib/CodeGen/LoopTraversal.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/LoopTraversal.cpp b/llvm/lib/CodeGen/LoopTraversal.cpp
index 7b7e0ee13bc..a02d10e09d7 100644
--- a/llvm/lib/CodeGen/LoopTraversal.cpp
+++ b/llvm/lib/CodeGen/LoopTraversal.cpp
@@ -14,7 +14,7 @@
using namespace llvm;
bool LoopTraversal::isBlockDone(MachineBasicBlock *MBB) {
- int MBBNumber = MBB->getNumber();
+ unsigned MBBNumber = MBB->getNumber();
assert(MBBNumber < MBBInfos.size() && "Unexpected basic block number.");
return MBBInfos[MBBNumber].PrimaryCompleted &&
MBBInfos[MBBNumber].IncomingCompleted ==
@@ -33,7 +33,7 @@ LoopTraversal::TraversalOrder LoopTraversal::traverse(MachineFunction &MF) {
for (MachineBasicBlock *MBB : RPOT) {
// N.B: IncomingProcessed and IncomingCompleted were already updated while
// processing this block's predecessors.
- int MBBNumber = MBB->getNumber();
+ unsigned MBBNumber = MBB->getNumber();
assert(MBBNumber < MBBInfos.size() && "Unexpected basic block number.");
MBBInfos[MBBNumber].PrimaryCompleted = true;
MBBInfos[MBBNumber].PrimaryIncoming = MBBInfos[MBBNumber].IncomingProcessed;
@@ -45,7 +45,7 @@ LoopTraversal::TraversalOrder LoopTraversal::traverse(MachineFunction &MF) {
bool Done = isBlockDone(ActiveMBB);
MBBTraversalOrder.push_back(TraversedMBBInfo(ActiveMBB, Primary, Done));
for (MachineBasicBlock *Succ : ActiveMBB->successors()) {
- int SuccNumber = Succ->getNumber();
+ unsigned SuccNumber = Succ->getNumber();
assert(SuccNumber < MBBInfos.size() &&
"Unexpected basic block number.");
if (!isBlockDone(Succ)) {
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