diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/tailcall-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/tailcall-2.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/tailcall-2.c b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-2.c new file mode 100644 index 00000000000..7f3415444ff --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-2.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-tailc-details" } */ +/* Test provided by Richard Earnshaw in PR 14312. */ + +void bar (int i); +void baz (int *); + +void +foo (int *x) +{ + if (*x < 0) + { + baz (x); + return; + } + bar (*x); +} + +/* The test has no local call-clobbered variables. Only the memory + tag for 'x' is call-clobbered. And since tags are not real + variables, they ought to be ignored. There should be two tail + calls here. */ +/* { dg-final { scan-tree-dump-times "Found tail call" 2 "tailc"} } */ |