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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/lto/ipareference_0.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/lto/ipareference_0.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/lto/ipareference_0.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/lto/ipareference_0.c b/gcc-4.9/gcc/testsuite/gcc.dg/lto/ipareference_0.c new file mode 100644 index 000000000..f8970f0e9 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/lto/ipareference_0.c @@ -0,0 +1,26 @@ +/* { dg-lto-options {{ -O1 -flto -flto-partition=1to1 }} } */ +/* { dg-lto-do run } */ + +/* Test that ipa-reference notice that get_val will not change since do_nothing does not + modify anything. This needs streaming cross file boundary summaries. */ +extern int get_val (void); +extern int set_val (void); +extern do_nothing (void); +void abort (void); +main() +{ + int a; + int b; + set_val (); + a = get_val (); + do_nothing(); + b = get_val (); + if (a==b) + { + if (!__builtin_constant_p (a==b)) + abort (); + return 0; + } + else + abort (); +} |