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[FRONTEND] Semantic analysis refactor (#473)

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Moved dispatch.cc to semantic.py
Integer signedness now moved from C++ to python
Cleaner frontend type

Co-authored-by: Phil Tillet <phil@openai.com>
This commit is contained in:
daadaada
2022-03-17 12:25:30 +08:00
committed by GitHub
parent 0dd2ec2e3a
commit 539961072c
19 changed files with 2044 additions and 1670 deletions
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4
lib/ir/instructions.cc
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@@ -312,8 +312,8 @@ cast_inst *cast_inst::create_integer_cast(value *arg, type *ty, bool is_signed,
unsigned arg_bits = arg_ty->get_scalar_ty()->get_integer_bitwidth();
unsigned dst_bits = ty->get_scalar_ty()->get_integer_bitwidth();
cast_op_t op = (arg_bits == dst_bits ? cast_op_t::BitCast :
(arg_bits > dst_bits ? cast_op_t::Trunc :
(is_signed ? cast_op_t::SExt : cast_op_t::ZExt)));
(arg_bits > dst_bits ? cast_op_t::Trunc :
(is_signed ? cast_op_t::SExt : cast_op_t::ZExt)));
return create(op, arg, ty, name, next);
}