Jakob Stoklund Olesen c9df025e33 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

2011-01-10 02:58:51 +00:00

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