Use phi ranges to simplify code. No functionality change intended.
llvm-svn: 321585
diff --git a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
index c7cdb49..81347fa 100644
--- a/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
@@ -257,20 +257,20 @@
// Create Machine PHI nodes for LLVM PHI nodes, lowering them as
// appropriate.
- for (BasicBlock::const_iterator I = BB.begin();
- const PHINode *PN = dyn_cast<PHINode>(I); ++I) {
- if (PN->use_empty()) continue;
-
- // Skip empty types
- if (PN->getType()->isEmptyTy())
+ for (const PHINode &PN : BB.phis()) {
+ if (PN.use_empty())
continue;
- DebugLoc DL = PN->getDebugLoc();
- unsigned PHIReg = ValueMap[PN];
+ // Skip empty types
+ if (PN.getType()->isEmptyTy())
+ continue;
+
+ DebugLoc DL = PN.getDebugLoc();
+ unsigned PHIReg = ValueMap[&PN];
assert(PHIReg && "PHI node does not have an assigned virtual register!");
SmallVector<EVT, 4> ValueVTs;
- ComputeValueVTs(*TLI, MF->getDataLayout(), PN->getType(), ValueVTs);
+ ComputeValueVTs(*TLI, MF->getDataLayout(), PN.getType(), ValueVTs);
for (EVT VT : ValueVTs) {
unsigned NumRegisters = TLI->getNumRegisters(Fn->getContext(), VT);
const TargetInstrInfo *TII = MF->getSubtarget().getInstrInfo();