1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
; RUN: llc --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types < %s | FileCheck %s
%externref = type ptr addrspace(10) ;; addrspace 10 is nonintegral
@externref_table1 = local_unnamed_addr addrspace(1) global [0 x %externref] undef
@externref_table2 = local_unnamed_addr addrspace(1) global [0 x %externref] undef
declare void @llvm.wasm.table.copy(ptr addrspace(1), ptr addrspace(1), i32, i32, i32) nounwind readonly
define void @table_copy(i32 %dst, i32 %src, i32 %len) {
; CHECK-LABEL: table_copy:
; CHECK-NEXT: .functype table_copy (i32, i32, i32) -> ()
; CHECK-NEXT: local.get 0
; CHECK-NEXT: local.get 1
; CHECK-NEXT: local.get 2
; CHECK-NEXT: table.copy externref_table1, externref_table2
; CHECK-NEXT: end_function
call void @llvm.wasm.table.copy(ptr addrspace(1) @externref_table1, ptr addrspace(1) @externref_table2, i32 %dst, i32 %src, i32 %len)
ret void
}
; Testing copying from a table to itself at different offsets
; Copies len items from table1 at src to table1 at src+off
define void @self_table_copy(i32 %src, i32 %off, i32 %len) {
; CHECK-LABEL: self_table_copy:
; CHECK-NEXT: .functype self_table_copy (i32, i32, i32) -> ()
; CHECK-NEXT: local.get 0
; CHECK-NEXT: local.get 1
; CHECK-NEXT: i32.add
; CHECK-NEXT: local.get 0
; CHECK-NEXT: local.get 2
; CHECK-NEXT: table.copy externref_table1, externref_table1
; CHECK-NEXT: end_function
%dst = add nsw i32 %src, %off
call void @llvm.wasm.table.copy(ptr addrspace(1) @externref_table1, ptr addrspace(1) @externref_table1, i32 %dst, i32 %src, i32 %len)
ret void
}
|
