1 ; RUN: llc -march=hexagon -hexagon-loop-prefetch < %s | FileCheck %s 2 ; CHECK: dcfetch 3 4 target triple = "hexagon" 5 6 define void @copy(i32* nocapture %d, i32* nocapture readonly %s, i32 %n) local_unnamed_addr #0 { 7 entry: 8 %tobool2 = icmp eq i32 %n, 0 9 br i1 %tobool2, label %while.end, label %while.body 10 11 while.body: ; preds = %entry, %while.body 12 %n.addr.05 = phi i32 [ %dec, %while.body ], [ %n, %entry ] 13 %s.addr.04 = phi i32* [ %incdec.ptr, %while.body ], [ %s, %entry ] 14 %d.addr.03 = phi i32* [ %incdec.ptr1, %while.body ], [ %d, %entry ] 15 %dec = add i32 %n.addr.05, -1 16 %incdec.ptr = getelementptr inbounds i32, i32* %s.addr.04, i32 1 17 %0 = load i32, i32* %s.addr.04, align 4 18 %incdec.ptr1 = getelementptr inbounds i32, i32* %d.addr.03, i32 1 19 store i32 %0, i32* %d.addr.03, align 4 20 %tobool = icmp eq i32 %dec, 0 21 br i1 %tobool, label %while.end, label %while.body 22 23 while.end: ; preds = %while.body, %entry 24 ret void 25 } 26 27 attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="-hvx" } 28
