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- ; RUN: opt -irce-print-changed-loops -S -irce -verify < %s 2>&1 | FileCheck %s
- ; CHECK-NOT: constrained loop
- define void @single_access_no_preloop_no_offset(i32 *%arr, i32 *%a_len_ptr, i32 %n) {
- entry:
- %first.itr.check = icmp sgt i32 %n, 0
- br i1 %first.itr.check, label %loop, label %exit
- loop:
- %idx = phi i32 [ 0, %entry ] , [ %idx.next, %in.bounds ]
- %idx.next = add i32 %idx, 1
- %len = load i32, i32* %a_len_ptr, !range !0
- %abc = icmp slt i32 %idx, %len
- br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1
- in.bounds:
- %addr = getelementptr i32, i32* %arr, i32 %idx
- store i32 0, i32* %addr
- %next = icmp slt i32 %idx.next, %n
- br i1 %next, label %loop, label %exit
- out.of.bounds:
- ret void
- exit:
- ret void
- }
- !0 = !{i32 0, i32 2147483647}
- !1 = !{!"branch_weights", i32 64, i32 4}
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