static bool
is_call_dce_candidate (gimple call)
{
tree fn;
enum built_in_function fnc;
/* Only potentially dead calls are considered. */
if (gimple_call_lhs (call))
return false;
fn = gimple_call_fndecl (call);
if (!fn
|| !DECL_BUILT_IN (fn)
|| (DECL_BUILT_IN_CLASS (fn) != BUILT_IN_NORMAL))
return false;
fnc = DECL_FUNCTION_CODE (fn);
switch (fnc)
{
/* Trig functions. */
CASE_FLT_FN (BUILT_IN_ACOS):
CASE_FLT_FN (BUILT_IN_ASIN):
/* Hyperbolic functions. */
CASE_FLT_FN (BUILT_IN_ACOSH):
CASE_FLT_FN (BUILT_IN_ATANH):
CASE_FLT_FN (BUILT_IN_COSH):
CASE_FLT_FN (BUILT_IN_SINH):
/* Log functions. */
CASE_FLT_FN (BUILT_IN_LOG):
CASE_FLT_FN (BUILT_IN_LOG2):
CASE_FLT_FN (BUILT_IN_LOG10):
CASE_FLT_FN (BUILT_IN_LOG1P):
/* Exp functions. */
CASE_FLT_FN (BUILT_IN_EXP):
CASE_FLT_FN (BUILT_IN_EXP2):
CASE_FLT_FN (BUILT_IN_EXP10):
CASE_FLT_FN (BUILT_IN_EXPM1):
CASE_FLT_FN (BUILT_IN_POW10):
/* Sqrt. */
CASE_FLT_FN (BUILT_IN_SQRT):
return check_builtin_call (call);
/* Special one: two argument pow. */
case BUILT_IN_POW:
return check_pow (call);
default:
break;
}
return false;
}
static bool
can_test_argument_range (gcall *call)
{
switch (DECL_FUNCTION_CODE (gimple_call_fndecl (call)))
{
/* Trig functions. */
CASE_FLT_FN (BUILT_IN_ACOS):
CASE_FLT_FN (BUILT_IN_ASIN):
/* Hyperbolic functions. */
CASE_FLT_FN (BUILT_IN_ACOSH):
CASE_FLT_FN (BUILT_IN_ATANH):
CASE_FLT_FN (BUILT_IN_COSH):
CASE_FLT_FN (BUILT_IN_SINH):
/* Log functions. */
CASE_FLT_FN (BUILT_IN_LOG):
CASE_FLT_FN (BUILT_IN_LOG2):
CASE_FLT_FN (BUILT_IN_LOG10):
CASE_FLT_FN (BUILT_IN_LOG1P):
/* Exp functions. */
CASE_FLT_FN (BUILT_IN_EXP):
CASE_FLT_FN (BUILT_IN_EXP2):
CASE_FLT_FN (BUILT_IN_EXP10):
CASE_FLT_FN (BUILT_IN_EXPM1):
CASE_FLT_FN (BUILT_IN_POW10):
/* Sqrt. */
CASE_FLT_FN (BUILT_IN_SQRT):
CASE_FLT_FN_FLOATN_NX (BUILT_IN_SQRT):
return check_builtin_call (call);
/* Special one: two argument pow. */
case BUILT_IN_POW:
return check_pow (call);
default:
break;
}
return false;
}
