42a7f240
 Pierre Cwik
optimisation 19 mai
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;; Function main (main, funcdef_no=14, decl_uid=3287, symbol_order=14) (executed once)
Removing basic block 9
Removing basic block 10
Removing basic block 11
main ()
{
float r2;
float r1;
int c;
int b;
int a;
int b.0_6;
int _7;
int a.1_8;
int _9;
int c.2_10;
int _11;
int _12;
int _13;
double _14;
double _15;
double _17;
double _18;
int a.1_19;
int _20;
double _21;
double _22;
int b.0_24;
int _25;
double _26;
int _27;
int _28;
int c.2_29;
int _30;
int _31;
double _32;
double _34;
double _35;
int a.1_36;
int _37;
double _38;
double _39;
double _41;
double _42;
int b.0_44;
int _45;
int a.1_46;
int _47;
int c.2_48;
int _49;
int _50;
int _51;
int _52;
double _54;
int pretmp_82;
int pretmp_84;
int pretmp_86;
int pretmp_88;
int pretmp_90;
int pretmp_92;
int pretmp_94;
int prephitmp_95;
<bb 2>:
scanf ("%d,%d,%d", &a, &b, &c);
b.0_6 = b;
_7 = b.0_6 * b.0_6;
a.1_8 = a;
_9 = a.1_8 * -4;
c.2_10 = c;
_11 = _9 * c.2_10;
_12 = _7 + _11;
if (_12 > 0)
goto <bb 3>;
else
goto <bb 4>;
<bb 3>:
_13 = -b.0_6;
_14 = (double) _13;
_15 = (double) _12;
_17 = sqrt (_15);
_18 = _14 - _17;
a.1_19 = a;
_20 = a.1_19 * 2;
_21 = (double) _20;
_22 = _18 / _21;
r1_23 = (float) _22;
b.0_24 = b;
_25 = -b.0_24;
_26 = (double) _25;
_27 = b.0_24 * b.0_24;
_28 = a.1_19 * -4;
c.2_29 = c;
_30 = _28 * c.2_29;
_31 = _27 + _30;
_32 = (double) _31;
_34 = sqrt (_32);
_35 = _26 + _34;
a.1_36 = a;
_37 = a.1_36 * 2;
_38 = (double) _37;
_39 = _35 / _38;
r2_40 = (float) _39;
_41 = (double) r2_40;
_42 = (double) r1_23;
printf ("r1 = %f \nr2 = %f", _42, _41);
<bb 4>:
b.0_44 = b;
_45 = b.0_44 * b.0_44;
a.1_46 = a;
_47 = a.1_46 * -4;
c.2_48 = c;
_49 = _47 * c.2_48;
_50 = _45 + _49;
if (_50 == 0)
goto <bb 5>;
else
goto <bb 6>;
<bb 5>:
_51 = a.1_46 * -2;
_52 = b.0_44 / _51;
r2_53 = (float) _52;
_54 = (double) r2_53;
printf ("r1 = %f \nr2 = %f", _54, _54);
pretmp_82 = b;
pretmp_84 = pretmp_82 * pretmp_82;
pretmp_86 = a;
pretmp_88 = pretmp_86 * -4;
pretmp_90 = c;
pretmp_92 = pretmp_88 * pretmp_90;
pretmp_94 = pretmp_84 + pretmp_92;
<bb 6>:
# prephitmp_95 = PHI <_50(4), pretmp_94(5)>
if (prephitmp_95 < 0)
goto <bb 7>;
else
goto <bb 8>;
<bb 7>:
printf ("pas de racine");
<bb 8>:
a ={v} {CLOBBER};
b ={v} {CLOBBER};
c ={v} {CLOBBER};
return 0;
}
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