r366419 adds nsw to more SCEV expressions, which allows polly to
make more aggressive assumptions about the input expressions.
llvm-svn: 366510
; CHECK-NEXT: Stmt_reduction_preheader
; CHECK-NEXT: MustWriteAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: [Start] -> { Stmt_reduction_preheader[i0] -> MemRef_phi__phi[] };
-; CHECK-NEXT: new: [Start] -> { Stmt_reduction_preheader[i0] -> MemRef_A[i0] : Start >= 2147483648 or Start <= 2147483646 };
+; CHECK-NEXT: new: [Start] -> { Stmt_reduction_preheader[i0] -> MemRef_A[i0] };
; CHECK-NEXT: Stmt_reduction_for
; CHECK-NEXT: ReadAccess := [Reduction Type: NONE] [Scalar: 1]
; CHECK-NEXT: [Start] -> { Stmt_reduction_for[i0, i1] -> MemRef_phi__phi[] };