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Factor out build_string_literal

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Ayaz Hafiz 2022-11-22 14:02:35 -06:00
parent f29b85e244
commit a9f8c2ddec
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1 changed files with 22 additions and 17 deletions
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39
crates/compiler/gen_llvm/src/llvm/build.rs
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@ -750,25 +750,30 @@ pub fn build_exp_literal<'a, 'ctx, 'env>(
}
Bool(b) => env.context.bool_type().const_int(*b as u64, false).into(),
Byte(b) => env.context.i8_type().const_int(*b as u64, false).into(),
Str(str_literal) => {
if str_literal.len() < env.small_str_bytes() as usize {
match env.small_str_bytes() {
24 => small_str_ptr_width_8(env, parent, str_literal).into(),
12 => small_str_ptr_width_4(env, str_literal).into(),
_ => unreachable!("incorrect small_str_bytes"),
}
} else {
let ptr = define_global_str_literal_ptr(env, str_literal);
let number_of_elements = env.ptr_int().const_int(str_literal.len() as u64, false);
Str(str_literal) => build_string_literal(env, parent, &str_literal),
}
}
let alloca =
const_str_alloca_ptr(env, parent, ptr, number_of_elements, number_of_elements);
fn build_string_literal<'a, 'ctx, 'env>(
env: &Env<'a, 'ctx, 'env>,
parent: FunctionValue<'ctx>,
str_literal: &str,
) -> BasicValueEnum<'ctx> {
if str_literal.len() < env.small_str_bytes() as usize {
match env.small_str_bytes() {
24 => small_str_ptr_width_8(env, parent, str_literal).into(),
12 => small_str_ptr_width_4(env, str_literal).into(),
_ => unreachable!("incorrect small_str_bytes"),
}
} else {
let ptr = define_global_str_literal_ptr(env, str_literal);
let number_of_elements = env.ptr_int().const_int(str_literal.len() as u64, false);
match env.target_info.ptr_width() {
PtrWidth::Bytes4 => env.builder.build_load(alloca, "load_const_str"),
PtrWidth::Bytes8 => alloca.into(),
}
}
let alloca = const_str_alloca_ptr(env, parent, ptr, number_of_elements, number_of_elements);
match env.target_info.ptr_width() {
PtrWidth::Bytes4 => env.builder.build_load(alloca, "load_const_str"),
PtrWidth::Bytes8 => alloca.into(),
}
}
}