28 lines
1.1 KiB
LLVM
28 lines
1.1 KiB
LLVM
|
; RUN: llc -march=hexagon -hexagon-loop-prefetch < %s | FileCheck %s
|
||
|
|
; CHECK: dcfetch
|
||
|
|
|
||
|
|
target triple = "hexagon"
|
||
|
|
|
||
|
|
define void @copy(i32* nocapture %d, i32* nocapture readonly %s, i32 %n) local_unnamed_addr #0 {
|
||
|
|
entry:
|
||
|
|
%tobool2 = icmp eq i32 %n, 0
|
||
|
|
br i1 %tobool2, label %while.end, label %while.body
|
||
|
|
|
||
|
|
while.body: ; preds = %entry, %while.body
|
||
|
|
%n.addr.05 = phi i32 [ %dec, %while.body ], [ %n, %entry ]
|
||
|
|
%s.addr.04 = phi i32* [ %incdec.ptr, %while.body ], [ %s, %entry ]
|
||
|
|
%d.addr.03 = phi i32* [ %incdec.ptr1, %while.body ], [ %d, %entry ]
|
||
|
|
%dec = add i32 %n.addr.05, -1
|
||
|
|
%incdec.ptr = getelementptr inbounds i32, i32* %s.addr.04, i32 1
|
||
|
|
%0 = load i32, i32* %s.addr.04, align 4
|
||
|
|
%incdec.ptr1 = getelementptr inbounds i32, i32* %d.addr.03, i32 1
|
||
|
|
store i32 %0, i32* %d.addr.03, align 4
|
||
|
|
%tobool = icmp eq i32 %dec, 0
|
||
|
|
br i1 %tobool, label %while.end, label %while.body
|
||
|
|
|
||
|
|
while.end: ; preds = %while.body, %entry
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { norecurse nounwind "target-cpu"="hexagonv60" "target-features"="-hvx" }
|