PR tree-optimization/33562
[official-gcc.git] / gcc / testsuite / gcc.dg / tree-ssa / tailrecursion-3.c
blob7c766a11a93bc1efb30d2ebb052412f54e597a57
1 /* { dg-do compile } */
2 /* { dg-options "-O1 -foptimize-sibling-calls -fdump-tree-tailr1-details" } */
3 int
4 t(int a)
6 int r;
7 if (a)
8 r = t(a-1);
9 else
10 return 0;
11 if (r)
12 r=r;
13 return r;
15 /* { dg-final { scan-tree-dump-times "Eliminated tail recursion" 1 "tailr1"} } */