diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocBasic.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocBasic.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegAllocBasic.cpp b/llvm/lib/CodeGen/RegAllocBasic.cpp index 8bbbbeb..83b5a05 100644 --- a/llvm/lib/CodeGen/RegAllocBasic.cpp +++ b/llvm/lib/CodeGen/RegAllocBasic.cpp @@ -261,7 +261,8 @@ Register RABasic::selectOrSplit(LiveInterval &VirtReg, // Check for an available register in this class. auto Order = AllocationOrder::create(VirtReg.reg(), *VRM, RegClassInfo, Matrix); - while (Register PhysReg = Order.next()) { + for (MCRegister PhysReg : Order) { + assert(PhysReg.isValid()); // Check for interference in PhysReg switch (Matrix->checkInterference(VirtReg, PhysReg)) { case LiveRegMatrix::IK_Free: |