On Fri, May 30, 2014 at 11:43 PM, Dehao Chen wrote: > Index: gcc/testsuite/gcc.dg/tree-prof/merge_block.c > =================================================================== > --- gcc/testsuite/gcc.dg/tree-prof/merge_block.c (revision 0) > +++ gcc/testsuite/gcc.dg/tree-prof/merge_block.c (revision 0) > @@ -0,0 +1,20 @@ > + > +/* { dg-options "-O2 -fno-ipa-pure-const > -fdump-tree-optimized-blocks-details -fno-early-inlining" } */ > +int a[8]; > +int t() > +{ > + int i; > + for (i = 0; i < 3; i++) > + if (a[i]) > + break; > + return i; > +} > +main () > +{ > + int i; > + for (i = 0; i < 1000; i++) > + t (); > + return 0; > +} > +/* { dg-final-use { scan-tree-dump-not "Invalid sum" "optimized"} } */ > +/* { dg-final-use { cleanup-tree-dump "optimized" } } */
I suppose you want to avoid having t() inlined into main()? If so, then I'd suggest adding __attribute__((__noinline__,__noclone__)) to "robustify" the test case. Ciao! Steven