; RUN: opt < %s -analyze -scalar-evolution \ ; RUN: -scalar-evolution-max-iterations=0 | FileCheck %s ; PR2607 define i32 @_Z1aj(i32 %j) nounwind { entry: icmp sgt i32 0, %j ; :0 [#uses=1] br i1 %0, label %bb.preheader, label %return bb.preheader: ; preds = %entry br label %bb bb: ; preds = %bb, %bb.preheader %i.01 = phi i32 [ %1, %bb ], [ 0, %bb.preheader ] ; [#uses=1] add i32 %i.01, -1 ; :1 [#uses=3] icmp sgt i32 %1, %j ; :2 [#uses=1] br i1 %2, label %bb, label %return.loopexit return.loopexit: ; preds = %bb br label %return return: ; preds = %return.loopexit, %entry %i.0.lcssa = phi i32 [ 0, %entry ], [ %1, %return.loopexit ] ; [#uses=1] ret i32 %i.0.lcssa } ; CHECK: backedge-taken count is (-1 + (-1 * %j))