llvm-project/llvm/test/CodeGen/WebAssembly/table-size.ll

20 lines
795 B
LLVM

; 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_table = local_unnamed_addr addrspace(1) global [0 x %externref] undef
declare i32 @llvm.wasm.table.size(i8 addrspace(1)*) nounwind readonly
define i32 @table_size() {
; CHECK-LABEL: table_size:
; CHECK-NEXT: .functype table_size () -> (i32)
; CHECK-NEXT: table.size externref_table
; CHECK-NEXT: end_function
%tableptr = getelementptr [0 x %externref], [0 x %externref] addrspace(1)* @externref_table, i32 0, i32 0
%tb = bitcast %externref addrspace(1)* %tableptr to i8 addrspace(1)*
%sz = call i32 @llvm.wasm.table.size(i8 addrspace(1)* %tb)
ret i32 %sz
}