/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=always -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=always -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
/* Check that, even enabling all checks before noreturn calls (leaving
returning calls enabled), we get checks before __builtin_return without
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-fharden-control-flow-redundancy -fexceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
+
+/* Check that, with exceptions enabled, even in C, the calls initiated by
+ builtin_apply are enclosed in cleanup handlers that add extra checks.
+ Unfortunately, declaring foobar as nothrow is not enough to avoid the
+ handler around the builtin_apply call, so the other bret tests all use
+ -fno-exceptions. */
+
+#include "harden-cfr-bret.c"
+
+/* With exceptions, we get an extra check per function, to check before
+ propagating exceptions, so it's 3 in f and 2 in g. */
+/* { dg-final { scan-tree-dump-times "__hardcfr_check" 5 "hardcfr" } } */
+/* The extra check in g also removes the possibility of inlining the check. */
+/* { dg-final { scan-tree-dump-times "__builtin_trap" 0 "hardcfr" } } */
/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=never -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=never -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
/* Check that, even enabling checks before never noreturn calls (leaving
returning calls enabled), we get checks before __builtin_return without
/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=no-xthrow -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=no-xthrow -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
/* Check that, even enabling checks before no-xthrow-throwing noreturn calls
(leaving returning calls enabled), we get checks before __builtin_return
/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=never -fno-hardcfr-check-returning-calls -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=never -fno-hardcfr-check-returning-calls -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
/* Check that, even disabling checks before both noreturn and returning
calls, we still get checks before __builtin_return. */
/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fno-hardcfr-check-returning-calls -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fno-hardcfr-check-returning-calls -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
/* Check that, even disabling checks before returning calls (leaving noreturn
calls enabled), we still get checks before __builtin_return. */
/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=nothrow -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=nothrow -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
/* Check that, even enabling checks before nothrow noreturn calls (leaving
returning calls enabled), we get checks before __builtin_return without
/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=never -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fhardcfr-check-noreturn-calls=never -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
/* Check that, even disabling checks before noreturn calls (leaving returning
calls enabled), we still get checks before __builtin_return. */
/* { dg-do compile } */
-/* { dg-options "-fharden-control-flow-redundancy -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-options "-fharden-control-flow-redundancy -fno-exceptions -fdump-tree-hardcfr -ffat-lto-objects" } */
+/* { dg-require-effective-target untyped_assembly } */
-int f(int i) {
+extern int foobar (void);
+
+#if __cplusplus
+typedef void (*fnt)(...);
+#else
+typedef void (*fnt)();
+#endif
+
+int i;
+
+int f(void) {
if (i)
- __builtin_return (&i);
+ __builtin_return (__builtin_apply ((fnt)foobar,
+ __builtin_apply_args (), 0));
return i;
}
-int g(int i) {
- __builtin_return (&i);
+int g(void) {
+ __builtin_return (__builtin_apply ((fnt)foobar,
+ __builtin_apply_args (), 0));
}
/* Out-of-line checking, before both builtin_return and return in f. */