gcc/testsuite/c-c++-common/auto-init-1.c

   1 /* Verify zero initialization for integer and pointer type automatic variables.  */
   2 /* { dg-do compile { target { ilp32 || lp64 } } } */
   3 /* { dg-options "-ftrivial-auto-var-init=zero -fno-short-enums -fdump-tree-gimple" } */
   4
   5 #ifndef __cplusplus
   6 # define bool _Bool
   7 #endif
   8
   9 enum E {
  10   N1 = 0,
  11   N2,
  12   N3
  13 };
  14
  15 extern void bar (char, short, int, enum E, long, long long, int *, bool);
  16
  17 void foo()
  18 {
  19   char temp1;
  20   short temp2;
  21   int temp3;
  22   enum E temp4;
  23   long temp5;
  24   long long temp6;
  25   int *temp7;
  26   bool temp8;
  27
  28   bar (temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8);
  29   return;
  30 }
  31
  32 /* { dg-final { scan-tree-dump "temp1 = .DEFERRED_INIT \\(1, 2, \&\"temp1\"" "gimple" } } */
  33 /* { dg-final { scan-tree-dump "temp2 = .DEFERRED_INIT \\(2, 2, \&\"temp2\"" "gimple" } } */
  34 /* { dg-final { scan-tree-dump "temp3 = .DEFERRED_INIT \\(4, 2, \&\"temp3\"" "gimple" } } */
  35 /* { dg-final { scan-tree-dump "temp4 = .DEFERRED_INIT \\(4, 2, \&\"temp4\"" "gimple" } } */
  36 /* { dg-final { scan-tree-dump "temp5 = .DEFERRED_INIT \\(4, 2, \&\"temp5\"" "gimple" { target ilp32 } } } */
  37 /* { dg-final { scan-tree-dump "temp5 = .DEFERRED_INIT \\(8, 2, \&\"temp5\"" "gimple" { target lp64 } } } */
  38 /* { dg-final { scan-tree-dump "temp6 = .DEFERRED_INIT \\(8, 2, \&\"temp6\"" "gimple" } } */
  39 /* { dg-final { scan-tree-dump "temp7 = .DEFERRED_INIT \\(4, 2, \&\"temp7\"" "gimple" { target ilp32 } } } */
  40 /* { dg-final { scan-tree-dump "temp7 = .DEFERRED_INIT \\(8, 2, \&\"temp7\"" "gimple" { target lp64 } } } */
  41 /* { dg-final { scan-tree-dump "temp8 = .DEFERRED_INIT \\(1, 2, \&\"temp8\"" "gimple" } } */