blob: 19986969a8f7052b753e890437e20812f0c1a912 [file] [log] [blame]
/* Verify zero initialization for array, union, and structure type automatic variables. */
/* { dg-do compile } */
/* { dg-options "-ftrivial-auto-var-init=zero -fdump-tree-gimple" } */
struct S
{
int f1;
float f2;
char f3[20];
};
union U
{
char u1[5];
int u2;
float u3;
};
double result;
double foo()
{
int temp1[3];
double temp2[3];
struct S temp3;
union U temp4;
result = temp1[2] + temp2[1] + temp3.f2 + temp4.u3;
return result;
}
/* { dg-final { scan-tree-dump "temp1 = .DEFERRED_INIT \\(12, 2, 0\\)" "gimple" } } */
/* { dg-final { scan-tree-dump "temp2 = .DEFERRED_INIT \\(24, 2, 0\\)" "gimple" } } */
/* { dg-final { scan-tree-dump "temp3 = .DEFERRED_INIT \\(28, 2, 0\\)" "gimple" } } */
/* { dg-final { scan-tree-dump "temp4 = .DEFERRED_INIT \\(8, 2, 0\\)" "gimple" } } */