diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr46685.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/pr46685.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr46685.c b/gcc/testsuite/gcc.dg/pr46685.c new file mode 100644 index 000000000..6277bcc2f --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr46685.c @@ -0,0 +1,40 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target freorder } */ +/* { dg-require-effective-target fpic } */ +/* { dg-options "-O2 -freorder-blocks-and-partition -fpic" } */ + +__attribute__((noinline, noclone)) +void bar (void *x) +{ + asm volatile ("" : : "r" (x) : "memory"); +} + +__attribute__((noinline, noclone)) +void baz (void) +{ + asm volatile ("" : : : "memory"); +} + +__attribute__((noinline, noclone)) +int foo (int x) +{ + __label__ lab; + if (__builtin_expect (x, 0)) + { + lab: + baz (); + return 2; + } + bar (&&lab); + return 1; +} + +int +main (void) +{ + int x, i; + asm volatile ("" : "=r" (x) : "0" (0)); + for (i = 0; i < 1000000; i++) + foo (x); + return 0; +} |