54 lines
2.0 KiB
LLVM
54 lines
2.0 KiB
LLVM
|
; RUN: opt -loop-idiom -S <%s 2>%t | FileCheck %s
|
||
|
|
; RUN: FileCheck --check-prefix=WARN --allow-empty %s <%t
|
||
|
|
|
||
|
|
; If this check fails please read test/CodeGen/AArch64/README for instructions on how to resolve it.
|
||
|
|
; WARN-NOT: warning
|
||
|
|
|
||
|
|
define void @memcpy_fixed_vec(i64* noalias %a, i64* noalias %b) local_unnamed_addr #1 {
|
||
|
|
; CHECK-LABEL: @memcpy_fixed_vec(
|
||
|
|
; CHECK: entry:
|
||
|
|
; CHECK: memcpy
|
||
|
|
; CHECK: vector.body
|
||
|
|
entry:
|
||
|
|
br label %vector.body
|
||
|
|
|
||
|
|
vector.body: ; preds = %vector.body, %entry
|
||
|
|
%index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
|
||
|
|
%0 = getelementptr inbounds i64, i64* %a, i64 %index
|
||
|
|
%1 = bitcast i64* %0 to <2 x i64>*
|
||
|
|
%wide.load = load <2 x i64>, <2 x i64>* %1, align 8
|
||
|
|
%2 = getelementptr inbounds i64, i64* %b, i64 %index
|
||
|
|
%3 = bitcast i64* %2 to <2 x i64>*
|
||
|
|
store <2 x i64> %wide.load, <2 x i64>* %3, align 8
|
||
|
|
%index.next = add nuw nsw i64 %index, 2
|
||
|
|
%4 = icmp eq i64 %index.next, 1024
|
||
|
|
br i1 %4, label %for.cond.cleanup, label %vector.body
|
||
|
|
|
||
|
|
for.cond.cleanup: ; preds = %vector.body
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @memcpy_scalable_vec(i64* noalias %a, i64* noalias %b) local_unnamed_addr #1 {
|
||
|
|
; CHECK-LABEL: @memcpy_scalable_vec(
|
||
|
|
; CHECK: entry:
|
||
|
|
; CHECK-NOT: memcpy
|
||
|
|
; CHECK: vector.body
|
||
|
|
entry:
|
||
|
|
br label %vector.body
|
||
|
|
|
||
|
|
vector.body: ; preds = %vector.body, %entry
|
||
|
|
%index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
|
||
|
|
%0 = bitcast i64* %a to <vscale x 2 x i64>*
|
||
|
|
%1 = getelementptr inbounds <vscale x 2 x i64>, <vscale x 2 x i64>* %0, i64 %index
|
||
|
|
%wide.load = load <vscale x 2 x i64>, <vscale x 2 x i64>* %1, align 16
|
||
|
|
%2 = bitcast i64* %b to <vscale x 2 x i64>*
|
||
|
|
%3 = getelementptr inbounds <vscale x 2 x i64>, <vscale x 2 x i64>* %2, i64 %index
|
||
|
|
store <vscale x 2 x i64> %wide.load, <vscale x 2 x i64>* %3, align 16
|
||
|
|
%index.next = add nuw nsw i64 %index, 1
|
||
|
|
%4 = icmp eq i64 %index.next, 1024
|
||
|
|
br i1 %4, label %for.cond.cleanup, label %vector.body
|
||
|
|
|
||
|
|
for.cond.cleanup: ; preds = %vector.body
|
||
|
|
ret void
|
||
|
|
}
|