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Support shuffle_vector_exprt in goto programs #6645

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Merged
merged 1 commit into from
Feb 8, 2022
Merged

Support shuffle_vector_exprt in goto programs #6645

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6 changes: 3 additions & 3 deletions src/ansi-c/c_typecheck_gcc_polymorphic_builtins.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1459,7 +1459,7 @@ exprt c_typecheck_baset::typecheck_shuffle_vector(
operands.push_back(std::move(mod_index));
}

return shuffle_vector_exprt{arg0, arg1, std::move(operands)}.lower();
return shuffle_vector_exprt{arg0, arg1, std::move(operands)};
}
else if(identifier == "__builtin_shufflevector")
{
Expand Down Expand Up @@ -1509,8 +1509,8 @@ exprt c_typecheck_baset::typecheck_shuffle_vector(
}
}

return shuffle_vector_exprt{arguments[0], arguments[1], std::move(operands)}
.lower();
return shuffle_vector_exprt{
arguments[0], arguments[1], std::move(operands)};
}
else
UNREACHABLE;
Expand Down
12 changes: 12 additions & 0 deletions src/goto-programs/remove_vector.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ Date: September 2014
#include <util/arith_tools.h>
#include <util/std_expr.h>

#include <ansi-c/c_expr.h>

#include "goto_model.h"

static bool have_to_remove_vector(const typet &type);
Expand All @@ -41,6 +43,8 @@ static bool have_to_remove_vector(const exprt &expr)
{
return true;
}
else if(expr.id() == ID_shuffle_vector)
return true;
else if(expr.id()==ID_vector)
return true;
}
Expand Down Expand Up @@ -93,6 +97,14 @@ static void remove_vector(exprt &expr)
if(!have_to_remove_vector(expr))
return;

if(expr.id() == ID_shuffle_vector)
{
exprt result = to_shuffle_vector_expr(expr).lower();
remove_vector(result);
expr.swap(result);
return;
}

Forall_operands(it, expr)
remove_vector(*it);

Expand Down