1 ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
3 ; void f(int *A, int N, int p) {
4 ; for (int i = 0; i < N; i++)
8 ; The wrap function has no inbounds GEP but the nowrap function has. Therefore,
9 ; we will add the assumption that i+1 won't overflow only to the former.
11 ; Note: 2147483618 + 30 == 2 ^ 31
13 ; CHECK: Function: wrap
16 ; CHECK-NEXT: [N] -> { : -2147483648 <= N <= 2147483647 }
18 ; CHECK: Invalid Context:
19 ; CHECK-NEXT: [N] -> { : N >= 2147483619 }
21 target datalayout = "e-m:e-i32:64-f80:128-n8:16:32:64-S128"
23 define void @wrap(i32* %A, i32 %N, i32 %p) {
27 bb2: ; preds = %bb7, %bb
28 %indvars.iv = phi i32 [ %indvars.iv.next, %bb7 ], [ 0, %bb ]
29 %tmp3 = icmp slt i32 %indvars.iv, %N
30 br i1 %tmp3, label %bb4, label %bb8
33 %tmp5 = add i32 %indvars.iv, 30
34 %tmp6 = getelementptr i32, i32* %A, i32 %tmp5
35 store i32 0, i32* %tmp6, align 4
39 %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1