; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | grep phi | wc -l | grep 1 ; This should only result in one PHI node! ; void foo(double *D, double *E, double F) { ; while (D != E) ; *D++ = F; ; } void %foo(double* %D, double* %E, double %F) { entry: %tmp.24 = seteq double* %D, %E ; [#uses=1] br bool %tmp.24, label %return, label %no_exit no_exit: ; preds = %no_exit, %entry %indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ] ; [#uses=3] %D_addr.0.0.rec = cast uint %indvar to int ; [#uses=1] %D_addr.0.0 = getelementptr double* %D, uint %indvar ; [#uses=1] %inc.rec = add int %D_addr.0.0.rec, 1 ; [#uses=1] %inc = getelementptr double* %D, int %inc.rec ; [#uses=1] store double %F, double* %D_addr.0.0 %tmp.2 = seteq double* %inc, %E ; [#uses=1] %indvar.next = add uint %indvar, 1 ; [#uses=1] br bool %tmp.2, label %return, label %no_exit return: ; preds = %no_exit, %entry ret void }