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[intermediate representation] added subdefinitions in types submodule

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This commit is contained in:
Philippe Tillet
2019-01-03 00:42:37 -05:00
parent 22a83ab526
commit b039498d15
8 changed files with 328 additions and 37 deletions
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14
lib/codegen.cpp
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@@ -25,10 +25,10 @@ ir::type* declaration_specifier::type(ir::module *mod) const {
ir::context &ctx = mod->get_context();
switch (spec_) {
case VOID_T: return ir::type::get_void_ty(ctx);
case INT8_T: return ir::integer_type::get(ctx, 8);
case INT16_T: return ir::integer_type::get(ctx, 16);
case INT32_T: return ir::integer_type::get(ctx, 32);
case INT64_T: return ir::integer_type::get(ctx, 64);
case INT8_T: return ir::type::get_int8_ty(ctx);
case INT16_T: return ir::type::get_int16_ty(ctx);
case INT32_T: return ir::type::get_int32_ty(ctx);
case INT64_T: return ir::type::get_int64_ty(ctx);
case FLOAT32_T: return ir::type::get_float_ty(ctx);
case FLOAT64_T: return ir::type::get_double_ty(ctx);
default: throw std::runtime_error("unreachable");
@@ -227,7 +227,7 @@ ir::value *llvm_cast(ir::builder &builder, ir::value *src, ir::type *dst_ty){
return builder.create_fp_trunc(src, dst_ty);
else if(src_ty->is_integer_ty() && dst_ty->is_integer_ty() &&
src_ty->get_integer_bit_width())
src_ty->get_integer_bitwidth())
return builder.create_int_cast(src, dst_ty, dst_signed);
else
@@ -259,8 +259,8 @@ inline void implicit_cast(ir::builder &builder, ir::value *&lhs, ir::value *&rhs
else if(left_ty->is_integer_ty() && right_ty->is_integer_ty()){
is_int = true;
is_signed = false;
if(left_ty->get_integer_bit_width() != right_ty->get_integer_bit_width()){
ir::value *&to_convert = (left_ty->get_integer_bit_width() > right_ty->get_integer_bit_width())?rhs:lhs;
if(left_ty->get_integer_bitwidth() != right_ty->get_integer_bitwidth()){
ir::value *&to_convert = (left_ty->get_integer_bitwidth() > right_ty->get_integer_bitwidth())?rhs:lhs;
ir::type *dst_ty = (to_convert==lhs)?right_ty:left_ty;
to_convert = llvm_cast(builder, to_convert, dst_ty);
}