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; RUN: llc --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types < %s | FileCheck %s
%extern = type opaque
%externref = type %extern 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(i8 addrspace(1)*, i8 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
%tableptr1 = getelementptr [0 x %externref], [0 x %externref] addrspace(1)* @externref_table1, i32 0, i32 0
%tb1 = bitcast %externref addrspace(1)* %tableptr1 to i8 addrspace(1)*
%tableptr2 = getelementptr [0 x %externref], [0 x %externref] addrspace(1)* @externref_table2, i32 0, i32 0
%tb2 = bitcast %externref addrspace(1)* %tableptr2 to i8 addrspace(1)*
call void @llvm.wasm.table.copy(i8 addrspace(1)* %tb1, i8 addrspace(1)* %tb2, 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
%tableptr1 = getelementptr [0 x %externref], [0 x %externref] addrspace(1)* @externref_table1, i32 0, i32 0
%tb1 = bitcast %externref addrspace(1)* %tableptr1 to i8 addrspace(1)*
call void @llvm.wasm.table.copy(i8 addrspace(1)* %tb1, i8 addrspace(1)* %tb1, i32 %dst, i32 %src, i32 %len)
ret void
}
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