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core: Add name to build_gep_and_load

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This commit is contained in:
David Mak 2023-09-15 15:42:59 +08:00
parent ab2360d7a0
commit 6dfc43c8b0
5 changed files with 55 additions and 29 deletions
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2
nac3artiq/src/codegen.rs
View File

@ -529,7 +529,7 @@ pub fn attributes_writeback<'ctx, 'a>(
let index = ctx.get_attr_index(ty, *name);
values.push((*field_ty, ctx.build_gep_and_load(
obj.into_pointer_value(),
&[zero, int32.const_int(index as u64, false)])));
&[zero, int32.const_int(index as u64, false)], None)));
}
}
if !attributes.is_empty() {

62
nac3core/src/codegen/expr.rs
View File

@ -62,8 +62,10 @@ impl<'ctx, 'a> CodeGenContext<'ctx, 'a> {
&mut self,
ptr: PointerValue<'ctx>,
index: &[IntValue<'ctx>],
name: Option<&str>,
) -> BasicValueEnum<'ctx> {
unsafe { self.builder.build_load(self.builder.build_gep(ptr, index, "gep"), "load") }
let gep = unsafe { self.builder.build_gep(ptr, index, "") };
self.builder.build_load(gep, name.unwrap_or_default())
}
fn get_subst_key(
@ -753,13 +755,13 @@ pub fn destructure_range<'ctx, 'a>(
) -> (IntValue<'ctx>, IntValue<'ctx>, IntValue<'ctx>) {
let int32 = ctx.ctx.i32_type();
let start = ctx
.build_gep_and_load(range, &[int32.const_zero(), int32.const_int(0, false)])
.build_gep_and_load(range, &[int32.const_zero(), int32.const_int(0, false)], Some("range.start"))
.into_int_value();
let end = ctx
.build_gep_and_load(range, &[int32.const_zero(), int32.const_int(1, false)])
.build_gep_and_load(range, &[int32.const_zero(), int32.const_int(1, false)], Some("range.stop"))
.into_int_value();
let step = ctx
.build_gep_and_load(range, &[int32.const_zero(), int32.const_int(2, false)])
.build_gep_and_load(range, &[int32.const_zero(), int32.const_int(2, false)], Some("range.step"))
.into_int_value();
(start, end, step)
}
@ -799,9 +801,15 @@ pub fn gen_comprehension<'ctx, 'a, G: CodeGenerator>(
) -> Result<BasicValueEnum<'ctx>, String> {
if let ExprKind::ListComp { elt, generators } = &expr.node {
let current = ctx.builder.get_insert_block().unwrap().get_parent().unwrap();
let test_bb = ctx.ctx.append_basic_block(current, "test");
let body_bb = ctx.ctx.append_basic_block(current, "body");
let cont_bb = ctx.ctx.append_basic_block(current, "cont");
let init_bb = ctx.ctx.append_basic_block(current, "listcomp.init");
let test_bb = ctx.ctx.append_basic_block(current, "listcomp.test");
let body_bb = ctx.ctx.append_basic_block(current, "listcomp.body");
let cont_bb = ctx.ctx.append_basic_block(current, "listcomp.cont");
ctx.builder.build_unconditional_branch(init_bb);
ctx.builder.position_at_end(init_bb);
let Comprehension { target, iter, ifs, .. } = &generators[0];
let iter_val = generator.gen_expr(ctx, iter)?.unwrap().to_basic_value_enum(ctx, generator, iter.custom.unwrap())?;
@ -830,10 +838,11 @@ pub fn gen_comprehension<'ctx, 'a, G: CodeGenerator>(
// in case length is non-positive
let is_valid =
ctx.builder.build_int_compare(inkwell::IntPredicate::SGT, length, zero_32, "check");
let normal = ctx.ctx.append_basic_block(current, "normal_list");
let empty = ctx.ctx.append_basic_block(current, "empty_list");
let list_init = ctx.ctx.append_basic_block(current, "list_init");
let normal = ctx.ctx.append_basic_block(current, "listcomp.normal_list");
let empty = ctx.ctx.append_basic_block(current, "listcomp.empty_list");
let list_init = ctx.ctx.append_basic_block(current, "listcomp.list_init");
ctx.builder.build_conditional_branch(is_valid, normal, empty);
// normal: allocate a list
ctx.builder.position_at_end(normal);
let list_a = allocate_list(
@ -843,19 +852,22 @@ pub fn gen_comprehension<'ctx, 'a, G: CodeGenerator>(
ctx.builder.build_int_z_extend_or_bit_cast(length, size_t, "z_ext_len"),
);
ctx.builder.build_unconditional_branch(list_init);
ctx.builder.position_at_end(empty);
let list_b = allocate_list(generator, ctx, elem_ty, zero_size_t);
ctx.builder.build_unconditional_branch(list_init);
ctx.builder.position_at_end(list_init);
let phi = ctx.builder.build_phi(list_a.get_type(), "phi");
phi.add_incoming(&[(&list_a, normal), (&list_b, empty)]);
list = phi.as_basic_value().into_pointer_value();
list_content =
ctx.build_gep_and_load(list, &[zero_size_t, zero_32]).into_pointer_value();
list_content = ctx.build_gep_and_load(list, &[zero_size_t, zero_32], Some("list_content"))
.into_pointer_value();
let i = generator.gen_store_target(ctx, target, Some("i.addr"))?;
ctx.builder.build_store(i, ctx.builder.build_int_sub(start, step, "start_init"));
ctx.builder.build_unconditional_branch(test_bb);
ctx.builder.position_at_end(test_bb);
let sign =
ctx.builder.build_int_compare(inkwell::IntPredicate::SGT, step, zero_32, "sign");
@ -877,32 +889,36 @@ pub fn gen_comprehension<'ctx, 'a, G: CodeGenerator>(
body_bb,
cont_bb,
);
ctx.builder.position_at_end(body_bb);
} else {
let length = ctx
.build_gep_and_load(
iter_val.into_pointer_value(),
&[zero_size_t, int32.const_int(1, false)],
Some("length"),
)
.into_int_value();
list = allocate_list(generator, ctx, elem_ty, length);
list_content =
ctx.build_gep_and_load(list, &[zero_size_t, zero_32]).into_pointer_value();
ctx.build_gep_and_load(list, &[zero_size_t, zero_32], Some("list_content")).into_pointer_value();
let counter = generator.gen_var_alloc(ctx, size_t.into(), Some("counter.addr"))?;
// counter = -1
ctx.builder.build_store(counter, size_t.const_int(u64::max_value(), true));
ctx.builder.build_unconditional_branch(test_bb);
ctx.builder.position_at_end(test_bb);
let tmp = ctx.builder.build_load(counter, "i").into_int_value();
let tmp = ctx.builder.build_int_add(tmp, size_t.const_int(1, false), "inc");
ctx.builder.build_store(counter, tmp);
let cmp = ctx.builder.build_int_compare(inkwell::IntPredicate::SLT, tmp, length, "cmp");
ctx.builder.build_conditional_branch(cmp, body_bb, cont_bb);
ctx.builder.position_at_end(body_bb);
let arr_ptr = ctx
.build_gep_and_load(iter_val.into_pointer_value(), &[zero_size_t, zero_32])
.build_gep_and_load(iter_val.into_pointer_value(), &[zero_size_t, zero_32], Some("arr.addr"))
.into_pointer_value();
let val = ctx.build_gep_and_load(arr_ptr, &[tmp]);
let val = ctx.build_gep_and_load(arr_ptr, &[tmp], Some("val"));
generator.gen_assign(ctx, target, val.into())?;
}
for cond in ifs.iter() {
@ -913,8 +929,10 @@ pub fn gen_comprehension<'ctx, 'a, G: CodeGenerator>(
.into_int_value();
let succ = ctx.ctx.append_basic_block(current, "then");
ctx.builder.build_conditional_branch(result, succ, test_bb);
ctx.builder.position_at_end(succ);
}
let elem = generator.gen_expr(ctx, elt)?.unwrap();
let i = ctx.builder.build_load(index, "i").into_int_value();
let elem_ptr = unsafe { ctx.builder.build_gep(list_content, &[i], "elem_ptr") };
@ -923,11 +941,13 @@ pub fn gen_comprehension<'ctx, 'a, G: CodeGenerator>(
ctx.builder
.build_store(index, ctx.builder.build_int_add(i, size_t.const_int(1, false), "inc"));
ctx.builder.build_unconditional_branch(test_bb);
ctx.builder.position_at_end(cont_bb);
let len_ptr = unsafe {
ctx.builder.build_gep(list, &[zero_size_t, int32.const_int(1, false)], "length")
};
ctx.builder.build_store(len_ptr, ctx.builder.build_load(index, "index"));
Ok(list.into())
} else {
unreachable!()
@ -1102,7 +1122,8 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
};
let length = generator.get_size_type(ctx.ctx).const_int(elements.len() as u64, false);
let arr_str_ptr = allocate_list(generator, ctx, ty, length);
let arr_ptr = ctx.build_gep_and_load(arr_str_ptr, &[zero, zero]).into_pointer_value();
let arr_ptr = ctx.build_gep_and_load(arr_str_ptr, &[zero, zero], Some("arr.addr"))
.into_pointer_value();
unsafe {
for (i, v) in elements.iter().enumerate() {
let elem_ptr = ctx.builder.build_gep(
@ -1148,6 +1169,7 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
Ok(ValueEnum::Dynamic(ctx.build_gep_and_load(
v.into_pointer_value(),
&[zero, int32.const_int(index as u64, false)],
None,
))) as Result<_, String>
}, Ok)?,
ValueEnum::Dynamic(v) => {
@ -1155,6 +1177,7 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
ValueEnum::Dynamic(ctx.build_gep_and_load(
v.into_pointer_value(),
&[zero, int32.const_int(index as u64, false)],
None,
))
}
}
@ -1511,7 +1534,8 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
.to_basic_value_enum(ctx, generator, value.custom.unwrap())?
.into_pointer_value();
let ty = ctx.get_llvm_type(generator, *ty);
let arr_ptr = ctx.build_gep_and_load(v, &[zero, zero]).into_pointer_value();
let arr_ptr = ctx.build_gep_and_load(v, &[zero, zero], Some("arr.addr"))
.into_pointer_value();
if let ExprKind::Slice { lower, upper, step } = &slice.node {
let one = int32.const_int(1, false);
let (start, end, step) =
@ -1550,7 +1574,7 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
res_array_ret.into()
} else {
let len = ctx
.build_gep_and_load(v, &[zero, int32.const_int(1, false)])
.build_gep_and_load(v, &[zero, int32.const_int(1, false)], Some("len"))
.into_int_value();
let raw_index = generator
.gen_expr(ctx, slice)?
@ -1590,7 +1614,7 @@ pub fn gen_expr<'ctx, 'a, G: CodeGenerator>(
[Some(raw_index), Some(len), None],
expr.location,
);
ctx.build_gep_and_load(arr_ptr, &[index]).into()
ctx.build_gep_and_load(arr_ptr, &[index], None).into()
}
} else if let TypeEnum::TTuple { .. } = &*ctx.unifier.get_ty(value.custom.unwrap()) {
let index: u32 =

10
nac3core/src/codegen/irrt/mod.rs
View File

@ -162,7 +162,7 @@ pub fn handle_slice_indices<'a, 'ctx, G: CodeGenerator>(
let int32 = ctx.ctx.i32_type();
let zero = int32.const_zero();
let one = int32.const_int(1, false);
let length = ctx.build_gep_and_load(list, &[zero, one]).into_int_value();
let length = ctx.build_gep_and_load(list, &[zero, one], Some("length")).into_int_value();
let length = ctx.builder.build_int_truncate_or_bit_cast(length, int32, "leni32");
Ok(match (start, end, step) {
(s, e, None) => (
@ -309,21 +309,21 @@ pub fn list_slice_assignment<'ctx, 'a>(
let zero = int32.const_zero();
let one = int32.const_int(1, false);
let dest_arr_ptr = ctx.build_gep_and_load(dest_arr, &[zero, zero]);
let dest_arr_ptr = ctx.build_gep_and_load(dest_arr, &[zero, zero], Some("dest.addr"));
let dest_arr_ptr = ctx.builder.build_pointer_cast(
dest_arr_ptr.into_pointer_value(),
elem_ptr_type,
"dest_arr_ptr_cast",
);
let dest_len = ctx.build_gep_and_load(dest_arr, &[zero, one]).into_int_value();
let dest_len = ctx.build_gep_and_load(dest_arr, &[zero, one], Some("dest.len")).into_int_value();
let dest_len = ctx.builder.build_int_truncate_or_bit_cast(dest_len, int32, "srclen32");
let src_arr_ptr = ctx.build_gep_and_load(src_arr, &[zero, zero]);
let src_arr_ptr = ctx.build_gep_and_load(src_arr, &[zero, zero], Some("src.addr"));
let src_arr_ptr = ctx.builder.build_pointer_cast(
src_arr_ptr.into_pointer_value(),
elem_ptr_type,
"src_arr_ptr_cast",
);
let src_len = ctx.build_gep_and_load(src_arr, &[zero, one]).into_int_value();
let src_len = ctx.build_gep_and_load(src_arr, &[zero, one], Some("src.len")).into_int_value();
let src_len = ctx.builder.build_int_truncate_or_bit_cast(src_len, int32, "srclen32");
// index in bound and positive should be done

9
nac3core/src/codegen/stmt.rs
View File

@ -93,7 +93,7 @@ pub fn gen_store_target<'ctx, 'a, G: CodeGenerator>(
.to_basic_value_enum(ctx, generator, value.custom.unwrap())?
.into_pointer_value();
let len = ctx
.build_gep_and_load(v, &[zero, i32_type.const_int(1, false)])
.build_gep_and_load(v, &[zero, i32_type.const_int(1, false)], Some("len"))
.into_int_value();
let raw_index = generator
.gen_expr(ctx, slice)?
@ -135,7 +135,7 @@ pub fn gen_store_target<'ctx, 'a, G: CodeGenerator>(
);
unsafe {
let arr_ptr = ctx
.build_gep_and_load(v, &[i32_type.const_zero(), i32_type.const_zero()])
.build_gep_and_load(v, &[i32_type.const_zero(), i32_type.const_zero()], Some("arr.addr"))
.into_pointer_value();
ctx.builder.build_gep(arr_ptr, &[index], name.unwrap_or(""))
}
@ -327,6 +327,7 @@ pub fn gen_for<'ctx, 'a, G: CodeGenerator>(
.build_gep_and_load(
iter_val.into_pointer_value(),
&[zero, int32.const_int(1, false)],
Some("len")
)
.into_int_value();
ctx.builder.build_unconditional_branch(test_bb);
@ -338,9 +339,9 @@ pub fn gen_for<'ctx, 'a, G: CodeGenerator>(
ctx.builder.position_at_end(body_bb);
let arr_ptr = ctx
.build_gep_and_load(iter_val.into_pointer_value(), &[zero, zero])
.build_gep_and_load(iter_val.into_pointer_value(), &[zero, zero], Some("arr.addr"))
.into_pointer_value();
let val = ctx.build_gep_and_load(arr_ptr, &[index]);
let val = ctx.build_gep_and_load(arr_ptr, &[index], Some("val"));
generator.gen_assign(ctx, target, val.into())?;
gen_block(generator, ctx, body.iter())?;

1
nac3core/src/toplevel/builtins.rs
View File

@ -1013,6 +1013,7 @@ pub fn get_builtins(primitives: &mut (PrimitiveStore, Unifier)) -> BuiltinInfo {
.build_gep_and_load(
arg.into_pointer_value(),
&[zero, int32.const_int(1, false)],
None,
)
.into_int_value();
if len.get_type().get_bit_width() != 32 {