Viewing file:  pr41353-1.c (1.66 KB) -rw-r--r--
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/* PR debug/41353 */
/* { dg-do run } */
/* { dg-options "-g" } */
int vari __attribute__((used)) = 17, varj;
__attribute__((noinline)) int
f1 (void)
{
/* { dg-final { gdb-test .+7 "vari" "17" } } */
int vari1 = 2 * vari; /* { dg-final { gdb-test .+6 "vari1" "2 * 17" } } */
int vari2 = 3 * vari; /* { dg-final { gdb-test .+5 "vari2" "3 * 17" } } */
int vari3 = 2 * vari; /* { dg-final { gdb-test .+4 "vari3" "2 * 17" } } */
int vari4 = 3 * vari; /* { dg-final { gdb-test .+3 "vari4" "3 * 17" } } */
int vari5 = 4 * vari; /* { dg-final { gdb-test .+2 "vari5" "4 * 17" } } */
int vari6 = 5 * vari; /* { dg-final { gdb-test .+1 "vari6" "5 * 17" } } */
return varj;
}
__attribute__((noinline)) int
f2 (int i, int j)
{
j += i;
/* { dg-final { gdb-test .+4 "i" "37" } } */
/* { dg-final { gdb-test .+3 "j" "28 + 37" { xfail { no-opts "-O0" } } } } */
int i1 = 2 * i; /* { dg-final { gdb-test .+2 "i1" "2 * 37" } } */
int i2 = 3 * i; /* { dg-final { gdb-test .+1 "i2" "3 * 37" } } */
return j;
}
__attribute__((noinline)) int
f3 (int i)
{
asm volatile ("" : "+r" (i));
/* { dg-final { gdb-test .+4 "i" "12" } } */
int i1 = 2 * i; /* { dg-final { gdb-test .+3 "i1" "2 * 12" } } */
int i2 = 2 * i; /* { dg-final { gdb-test .+2 "i2" "2 * 12" } } */
int i3 = 3 * i; /* { dg-final { gdb-test .+1 "i3" "3 * 12" } } */
return i;
}
int (*volatile fnp1) (void) = f1;
int (*volatile fnp2) (int, int) = f2;
int (*volatile fnp3) (int) = f3;
int
main (int argc, char *argv[])
{
asm volatile ("" : : "r" (&fnp1) : "memory");
asm volatile ("" : : "r" (&fnp2) : "memory");
asm volatile ("" : : "r" (&fnp3) : "memory");
fnp1 ();
fnp2 (37, 28);
fnp3 (12);
return 0;
}
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