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1; RUN: opt -mtriple=thumbv8.1m.main-none-none-eabi -passes=hardware-loops %s -o - | FileCheck %s2 3@g = common local_unnamed_addr global ptr null, align 44 5; CHECK-LABEL: counter_too_large6; CHECK-NOT: call void @llvm.set.loop.iterations7; CHECK-NOT: call i32 @llvm.loop.decrement8 9define i32 @counter_too_large(i64 %n) {10entry:11 %cmp7 = icmp eq i64 %n, 012 br i1 %cmp7, label %while.end, label %while.body.lr.ph13 14while.body.lr.ph:15 %0 = load ptr, ptr @g, align 416 br label %while.body17 18while.body:19 %i.09 = phi i64 [ 0, %while.body.lr.ph ], [ %inc1, %while.body ]20 %res.08 = phi i32 [ 0, %while.body.lr.ph ], [ %add, %while.body ]21 %idxprom = trunc i64 %i.09 to i3222 %arrayidx = getelementptr inbounds i32, ptr %0, i32 %idxprom23 %1 = load i32, ptr %arrayidx, align 424 %add = add nsw i32 %1, %res.0825 %inc1 = add nuw i64 %i.09, 126 %cmp = icmp ult i64 %inc1, %n27 br i1 %cmp, label %while.body, label %while.end.loopexit28 29while.end.loopexit:30 br label %while.end31 32while.end:33 %res.0.lcssa = phi i32 [ 0, %entry ], [ %add, %while.end.loopexit ]34 ret i32 %res.0.lcssa35}36