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.
llvm-svn: 123155
diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
index ac95e730..da4b017 100644
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -359,7 +359,7 @@
// If the location is a virtual register, make sure it is mapped.
if (MI->getOperand(0).isReg()) {
unsigned Reg = MI->getOperand(0).getReg();
- if (Reg && TargetRegisterInfo::isVirtualRegister(Reg))
+ if (TargetRegisterInfo::isVirtualRegister(Reg))
mapVirtReg(Reg, UV);
}