Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic.
These functions not longer assert when passed 0, but simply return false instead.
No functional change intended.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AllocationOrder.cpp b/lib/CodeGen/AllocationOrder.cpp
index 26d4cd4..20c7625 100644
--- a/lib/CodeGen/AllocationOrder.cpp
+++ b/lib/CodeGen/AllocationOrder.cpp
@@ -33,7 +33,7 @@
Hint = HintPair.second;
// Translate to physreg, or 0 if not assigned yet.
- if (Hint && TargetRegisterInfo::isVirtualRegister(Hint))
+ if (TargetRegisterInfo::isVirtualRegister(Hint))
Hint = VRM.getPhys(Hint);
// The remaining allocation order may depend on the hint.