1; RUN: opt -irce-skip-profitability-checks -S -verify-loop-info -passes=irce < %s | FileCheck %s 2; RUN: opt -irce-skip-profitability-checks -S -verify-loop-info -passes='require<branch-prob>,irce' < %s | FileCheck %s 3 4define void @single_access_no_preloop_no_offset(ptr %arr, ptr %a_len_ptr, i32 %n) { 5; CHECK-LABEL: @single_access_no_preloop_no_offset( 6; CHECK: main.exit.selector: 7 entry: 8 %len = load i32, ptr %a_len_ptr, !range !0 9 %first.itr.check = icmp sgt i32 %n, 0 10 br i1 %first.itr.check, label %loop, label %exit 11 12 loop: 13 %idx = phi i32 [ 0, %entry ] , [ %idx.next, %in.bounds ] 14 %idx.next = add i32 %idx, 1 15 %abc = icmp slt i32 %idx, %len 16 br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1 17 18 in.bounds: 19 %addr = getelementptr i32, ptr %arr, i32 %idx 20 store i32 0, ptr %addr 21 %next = icmp slt i32 %idx.next, %n 22 br i1 %next, label %loop, label %exit 23 24 out.of.bounds: 25 ret void 26 27 exit: 28 ret void 29} 30 31!0 = !{i32 0, i32 2147483647} 32!1 = !{!"branch_weights", i32 1, i32 64} 33