diff options
Diffstat (limited to 'contrib/llvm/lib/CodeGen/AllocationOrder.cpp')
-rw-r--r-- | contrib/llvm/lib/CodeGen/AllocationOrder.cpp | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/contrib/llvm/lib/CodeGen/AllocationOrder.cpp b/contrib/llvm/lib/CodeGen/AllocationOrder.cpp index a8ee2b6..1005f10 100644 --- a/contrib/llvm/lib/CodeGen/AllocationOrder.cpp +++ b/contrib/llvm/lib/CodeGen/AllocationOrder.cpp @@ -41,21 +41,19 @@ AllocationOrder::AllocationOrder(unsigned VirtReg, if (HintPair.first) { const TargetRegisterInfo &TRI = VRM.getTargetRegInfo(); // The remaining allocation order may depend on the hint. - const unsigned *B, *E; - tie(B, E) = TRI.getAllocationOrder(RC, HintPair.first, Hint, - VRM.getMachineFunction()); - - // Empty allocation order? - if (B == E) + ArrayRef<unsigned> Order = + TRI.getRawAllocationOrder(RC, HintPair.first, Hint, + VRM.getMachineFunction()); + if (Order.empty()) return; // Copy the allocation order with reserved registers removed. OwnedBegin = true; - unsigned *P = new unsigned[E - B]; + unsigned *P = new unsigned[Order.size()]; Begin = P; - for (; B != E; ++B) - if (!RCI.isReserved(*B)) - *P++ = *B; + for (unsigned i = 0; i != Order.size(); ++i) + if (!RCI.isReserved(Order[i])) + *P++ = Order[i]; End = P; // Target-dependent hints require resolution. |