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1; RUN: opt -verify-loop-info -irce-print-changed-loops -passes=irce -irce-min-eliminated-checks=3 < %s 2>&1 | FileCheck %s --check-prefixes=CHECK-NO2; RUN: opt -verify-loop-info -irce-print-changed-loops -passes=irce -irce-min-eliminated-checks=0 < %s 2>&1 | FileCheck %s --check-prefixes=CHECK-YES3 4; CHECK-YES: constrained Loop5; CHECK-NO-NOT: constrained Loop6 7define i32 @multiple_access_no_preloop(8 ptr %arr_a, ptr %a_len_ptr, ptr %arr_b, ptr %b_len_ptr, i32 %n) {9 10 entry:11 %len.a = load i32, ptr %a_len_ptr, !range !012 %first.itr.check = icmp sgt i32 %n, 013 br i1 %first.itr.check, label %loop, label %exit, !prof !114 15 loop:16 %idx = phi i32 [ 0, %entry ] , [ %idx.next, %backedge ]17 %idx.next = add i32 %idx, 118 %abc.a = icmp slt i32 %idx, %len.a19 br i1 %abc.a, label %in.bounds.a, label %exit, !prof !220 21 in.bounds.a:22 %addr.a = getelementptr i32, ptr %arr_a, i32 %idx23 %val = load i32, ptr %addr.a24 %cond = icmp ne i32 %val, 025; Most probable exit from a loop.26 br i1 %cond, label %found, label %backedge, !prof !327 28 backedge:29 %next = icmp slt i32 %idx.next, %n30 br i1 %next, label %loop, label %exit, !prof !431 32 found:33 ret i32 %val34 35 exit:36 ret i32 037}38 39!0 = !{i32 0, i32 2147483647}40!1 = !{!"branch_weights", i32 1024, i32 1}41!2 = !{!"branch_weights", i32 512, i32 1}42!3 = !{!"branch_weights", i32 1, i32 2}43!4 = !{!"branch_weights", i32 512, i32 1}44