1 ; RUN: opt -irce-print-changed-loops -irce -S < %s 2>&1 | FileCheck %s
3 ; Demonstrates that we don't currently handle the general expression
6 define void @general_affine_expressions(i32 *%arr, i32 *%a_len_ptr, i32 %n,
7 i32 %scale, i32 %offset) {
8 ; CHECK-NOT: constrained Loop at depth
10 %len = load i32, i32* %a_len_ptr, !range !0
11 %first.itr.check = icmp sgt i32 %n, 0
12 br i1 %first.itr.check, label %loop, label %exit
15 %idx = phi i32 [ 0, %entry ] , [ %idx.next, %in.bounds ]
16 %idx.next = add i32 %idx, 1
17 %idx.mul = mul i32 %idx, %scale
18 %array.idx = add i32 %idx.mul, %offset
19 %abc.high = icmp slt i32 %array.idx, %len
20 %abc.low = icmp sge i32 %array.idx, 0
21 %abc = and i1 %abc.low, %abc.high
22 br i1 %abc, label %in.bounds, label %out.of.bounds
25 %addr = getelementptr i32, i32* %arr, i32 %array.idx
26 store i32 0, i32* %addr
27 %next = icmp slt i32 %idx.next, %n
28 br i1 %next, label %loop, label %exit
37 !0 = !{i32 0, i32 2147483647}