; CFG Simplification is making a loop dead, then changing the add into:;; %V1 = add int %V1, 1;; Which is not valid SSA;; RUN: llvm-as < %s | opt -simplifycfg | llvm-disvoid"test"(){brbooltrue,label%end,label%LoopLoop:%V=phiint[0,%0],[%V1,%Loop]%V1=addint%V,1brlabel%Loopend:retvoid}