; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s ; ; void f(int *A, int N, int p) { ; for (int i = 0; i < N; i++) ; A[i + 30] = 0; ; } ; ; The wrap function has no inbounds GEP but the nowrap function has. Therefore, ; we will add the assumption that i+1 won't overflow only to the former. ; ; Note: 2147483618 + 30 == 2 ^ 31 ; CHECK: Function: wrap ; ; CHECK: Context: ; CHECK-NEXT: [N] -> { : -2147483648 <= N <= 2147483647 } ; ; CHECK: Invalid Context: ; CHECK-NEXT: [N] -> { : N >= 2147483619 } target datalayout = "e-m:e-i32:64-f80:128-n8:16:32:64-S128" define void @wrap(i32* %A, i32 %N, i32 %p) { bb: br label %bb2 bb2: ; preds = %bb7, %bb %indvars.iv = phi i32 [ %indvars.iv.next, %bb7 ], [ 0, %bb ] %tmp3 = icmp slt i32 %indvars.iv, %N br i1 %tmp3, label %bb4, label %bb8 bb4: ; preds = %bb2 %tmp5 = add i32 %indvars.iv, 30 %tmp6 = getelementptr i32, i32* %A, i32 %tmp5 store i32 0, i32* %tmp6, align 4 br label %bb7 bb7: ; preds = %bb4 %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1 br label %bb2 bb8: ; preds = %bb2 ret void }