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Add intrinsics.wasm_memory_grow intrinsics.wasm_memory_size

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gingerBill
2022-03-30 17:29:37 +01:00
parent 46161f7e19
commit 72ae061769
5 changed files with 118 additions and 2 deletions
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src/llvm_backend_proc.cpp
+39
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@@ -2207,6 +2207,45 @@ lbValue lb_build_builtin_proc(lbProcedure *p, Ast *expr, TypeAndValue const &tv,
return res;
}
case BuiltinProc_wasm_memory_grow:
{
char const *name = "llvm.wasm.memory.grow";
LLVMTypeRef types[1] = {
lb_type(p->module, t_uintptr),
};
unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
GB_ASSERT_MSG(id != 0, "Unable to find %s", name, LLVMPrintTypeToString(types[0]));
LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
LLVMValueRef args[2] = {};
args[0] = lb_emit_conv(p, lb_build_expr(p, ce->args[0]), t_uintptr).value;
args[1] = lb_emit_conv(p, lb_build_expr(p, ce->args[1]), t_uintptr).value;
lbValue res = {};
res.type = tv.type;
res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
return res;
}
case BuiltinProc_wasm_memory_size:
{
char const *name = "llvm.wasm.memory.size";
LLVMTypeRef types[1] = {
lb_type(p->module, t_uintptr),
};
unsigned id = LLVMLookupIntrinsicID(name, gb_strlen(name));
GB_ASSERT_MSG(id != 0, "Unable to find %s", name, LLVMPrintTypeToString(types[0]));
LLVMValueRef ip = LLVMGetIntrinsicDeclaration(p->module->mod, id, types, gb_count_of(types));
LLVMValueRef args[1] = {};
args[0] = lb_emit_conv(p, lb_build_expr(p, ce->args[0]), t_uintptr).value;
lbValue res = {};
res.type = tv.type;
res.value = LLVMBuildCall(p->builder, ip, args, gb_count_of(args), "");
return res;
}
}
GB_PANIC("Unhandled built-in procedure %.*s", LIT(builtin_procs[id].name));