24 lines
1.0 KiB
LLVM
24 lines
1.0 KiB
LLVM
; RUN: llc --mtriple=wasm32-unknown-unknown -asm-verbose=false -mattr=+reference-types < %s | FileCheck %s
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%extern = type opaque
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%externref = type %extern addrspace(10)* ;; addrspace 10 is nonintegral
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@externref_table = local_unnamed_addr addrspace(1) global [0 x %externref] undef
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declare i32 @llvm.wasm.table.grow.externref(i8 addrspace(1)*, %externref, i32) nounwind readonly
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declare %externref @llvm.wasm.ref.null.extern() nounwind readonly
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define i32 @table_grow(i32 %sz) {
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; CHECK-LABEL: table_grow:
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; CHECK-NEXT: .functype table_grow (i32) -> (i32)
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; CHECK-NEXT: ref.null_extern
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: table.grow externref_table
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; CHECK-NEXT: end_function
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%null = call %externref @llvm.wasm.ref.null.extern()
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%tableptr = getelementptr [0 x %externref], [0 x %externref] addrspace(1)* @externref_table, i32 0, i32 0
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%tb = bitcast %externref addrspace(1)* %tableptr to i8 addrspace(1)*
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%newsz = call i32 @llvm.wasm.table.grow.externref(i8 addrspace(1)* %tb, %externref %null, i32 %sz)
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ret i32 %newsz
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}
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