diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c new file mode 100644 index 00000000000..c2a85940a30 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/tailcall-1.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-tailc-details" } */ +int q(int a); +int *v; +int +t(int a) +{ + int r,r1; + if (a) + r1=r = q(a-1); + else + return 0; + /* Dead alloca should not disturb us. */ + if (r!=r1) + v=alloca(r); + return r; +} +/* { dg-final { scan-tree-dump-times "Found tail call" 1 "tailc"} } */ |