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[FRONTEND] Fixed semantics bug on ptr to bool conversions (#432)

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This commit is contained in:
Philippe Tillet
2022-01-17 18:00:03 -08:00
committed by GitHub
parent 2a944ded53
commit e0c5709cc8
1 changed files with 9 additions and 2 deletions
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9
lib/ir/dispatch.cc
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@@ -527,8 +527,15 @@ ir::value *dispatch::cast(ir::value *input, ir::type *dst_ty, ir::builder *build
else
return builder->create_si_to_fp(input, dst_ty);
}
if (src_sca_ty->is_pointer_ty() && !dst_sca_ty->is_pointer_ty())
if (src_sca_ty->is_pointer_ty() && dst_sca_ty->is_integer_ty()){
int bitwidth = dst_sca_ty->get_integer_bitwidth();
if(bitwidth == 64)
return builder->create_cast(ir::PtrToInt, input, dst_ty);
if(bitwidth == 1)
return dispatch::not_equal(dispatch::cast(input, builder->get_int64_ty(), builder),
builder->get_int64(0),
builder);
}
if (!src_sca_ty->is_pointer_ty() && dst_sca_ty->is_pointer_ty())
return builder->create_cast(ir::IntToPtr, input, dst_ty);
// Ptr -> Ptr