; RUN: opt -irce -irce-print-range-checks -irce-print-changed-loops %s -S 2>&1 | FileCheck %s ; CHECK: irce: loop has 1 inductive range checks: ; CHECK-NEXT:InductiveRangeCheck: ; CHECK-NEXT: Kind: RANGE_CHECK_UPPER ; CHECK-NEXT: Offset: %offset Scale: 1 Length: %len = load i32, i32* %a_len_ptr, !range !0 ; CHECK-NEXT: Branch: br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1 ; CHECK-NEXT: irce: in function incrementing: constrained Loop at depth 1 containing: %loop
,%in.bounds define void @incrementing(i32 *%arr, i32 *%a_len_ptr, i32 %n, i32 %offset) { entry: %len = load i32, i32* %a_len_ptr, !range !0 %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 %array.idx = add i32 %idx, %offset %abc = icmp slt i32 %array.idx, %len br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1 in.bounds: %addr = getelementptr i32, i32* %arr, i32 %array.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}