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1; RUN: opt -verify-loop-info -irce-print-changed-loops -passes=irce < %s 2>&1 | FileCheck %s2;3; TODO: new-pm version should be enabled after we decide on branch-probability handling for loop passes4; TODO: opt -verify-loop-info -irce-print-changed-loops -passes='require<branch-prob>,irce' < %s 2>&1 | FileCheck %s5 6; CHECK-NOT: constrained Loop7 8define void @multiple_access_no_preloop(9 ptr %arr_a, ptr %a_len_ptr, ptr %arr_b, ptr %b_len_ptr, i32 %n) {10 11 entry:12 %len.a = load i32, ptr %a_len_ptr, !range !013 %len.b = load i32, ptr %b_len_ptr, !range !014 %first.itr.check = icmp sgt i32 %n, 015 br i1 %first.itr.check, label %loop, label %exit16 17 loop:18 %idx = phi i32 [ 0, %entry ] , [ %idx.next, %in.bounds.b ]19 %idx.next = add i32 %idx, 120 %abc.a = icmp slt i32 %idx, %len.a21 br i1 %abc.a, label %in.bounds.a, label %out.of.bounds, !prof !122 23 in.bounds.a:24 %addr.a = getelementptr i32, ptr %arr_a, i32 %idx25 store i32 0, ptr %addr.a26 %abc.b = icmp slt i32 %idx, %len.b27 br i1 %abc.b, label %in.bounds.b, label %out.of.bounds, !prof !128 29 in.bounds.b:30 %addr.b = getelementptr i32, ptr %arr_b, i32 %idx31 store i32 -1, ptr %addr.b32 %next = icmp slt i32 %idx.next, %n33 br i1 %next, label %loop, label %exit34 35 out.of.bounds:36 ret void37 38 exit:39 ret void40}41 42!0 = !{i32 0, i32 2147483647}43!1 = !{!"branch_weights", i32 1, i32 1}44