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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/sibcall-6.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/sibcall-6.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/sibcall-6.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/sibcall-6.c b/gcc-4.9/gcc/testsuite/gcc.dg/sibcall-6.c new file mode 100644 index 000000000..744bf4698 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/sibcall-6.c @@ -0,0 +1,46 @@ +/* A simple check to see whether indirect calls are + being sibcall optimized on targets that do support + this notion, i.e. have the according call patterns + in place. + + Copyright (C) 2002 Free Software Foundation Inc. + Contributed by Andreas Bauer <baueran@in.tum.de> */ + +/* { dg-do run { target epiphany-*-* i?86-*-* x86_64-*-* s390*-*-* } } */ +/* { dg-skip-if "" { { i?86-*-* x86_64-*-* } && { ia32 && { ! nonpic } } } { "*" } { "" } } */ +/* { dg-options "-O2 -foptimize-sibling-calls -fno-ipa-cp" } */ + +extern void abort (void); +extern void exit (int); + +int foo (int); +int bar (int); + +int (*ptr) (int); +int *f_addr; + +int +main () +{ + ptr = bar; + foo (7); + exit (0); +} + +int __attribute__ ((noinline)) +bar (b) + int b; +{ + if (f_addr == (int*) __builtin_return_address (0)) + return b; + else + abort (); +} + +int __attribute__ ((noinline)) +foo (f) + int f; +{ + f_addr = (int*) __builtin_return_address (0); + return (*ptr)(f); +} |