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#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "backend.h"
#include "tree.h"
#include "gimple-expr.h"
#include "predict.h"
#include "alloc-pool.h"
#include "tree-pass.h"
#include "cgraph.h"
#include "diagnostic.h"
#include "fold-const.h"
#include "gimple-fold.h"
#include "symbol-summary.h"
#include "tree-vrp.h"
#include "ipa-prop.h"
#include "tree-pretty-print.h"
#include "tree-inline.h"
#include "ipa-fnsummary.h"
#include "ipa-utils.h"
#include "tree-ssa-ccp.h"
#include "stringpool.h"
#include "attribs.h"
#include "tree-ssa-alias.h"
#include "tree-ssanames.h"
#include "gimple.h"
#include "cfg.h"
#include "gimple-iterator.h"
#include "gimple-ssa.h"
#include "types-inlines.h"
#include "gimple-accesser.hpp"
void
GimpleAccesser::_walk_pre(gassign *s)
{
// There seems to be quite a bit of code duplication here...
const enum gimple_rhs_class code = gimple_assign_rhs_class(s);
switch (code)
{
case GIMPLE_TERNARY_RHS:
{
const_tree rhs3 = gimple_assign_rhs3(s);
gcc_assert(rhs3);
exprAccessor.update(rhs3, Read);
}
/* fall-through */
case GIMPLE_BINARY_RHS:
{
const_tree rhs2 = gimple_assign_rhs2(s);
gcc_assert(rhs2);
exprAccessor.update(rhs2, Read);
}
/* fall-through */
case GIMPLE_UNARY_RHS:
case GIMPLE_SINGLE_RHS:
{
const_tree rhs1 = gimple_assign_rhs1(s);
exprAccessor.update(rhs1, Read);
const_tree lhs = gimple_assign_lhs(s);
if (!lhs) break;
exprAccessor.update(lhs, Write);
break;
}
default:
gcc_unreachable();
break;
}
}
void
GimpleAccesser::_walk_pre(gcall *s)
{
tree fndecl = gimple_call_fndecl(s);
unsigned n = gimple_call_num_args(s);
for (unsigned i = 0; i < n; i++)
{
const_tree a = gimple_call_arg(s, i);
gcc_assert(a);
exprAccessor.update(a, Read);
}
const_tree lhs = gimple_call_lhs(s);
if (!lhs) return;
exprAccessor.update(lhs, Write);
}
void
GimpleAccesser::_walk_pre(greturn *s)
{
const_tree val = gimple_return_retval(s);
if (!val) return;
exprAccessor.update(val, Read);
}
void
GimpleAccesser::_walk_pre(gcond *s)
{
const_tree lhs = gimple_cond_lhs(s);
const_tree rhs = gimple_cond_rhs(s);
gcc_assert(lhs && rhs);
exprAccessor.update(lhs, Read);
exprAccessor.update(rhs, Read);
}
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