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authorMartin Liska <mliska@suse.cz>2016-08-09 22:57:39 +0200
committerMartin Liska <marxin@gcc.gnu.org>2016-08-09 20:57:39 +0000
commitab50a2153e0602a0d4384b0de390fb7322676479 (patch)
treedbb4966972e8a87470d386651e906c5035e0aec7 /gcc/testsuite/gcc.dg
parentdcb1e1379ea52c33e5025d6e5842c43888888afa (diff)
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Fix usage of POW2 histogram
* value-prof.c (gimple_divmod_values_to_profile): Do not instrument MOD histogram if a value is not a SSA name. * gcc.dg/tree-prof/val-prof-9.c: New test. From-SVN: r239305
Diffstat (limited to 'gcc/testsuite/gcc.dg')
-rw-r--r--gcc/testsuite/gcc.dg/tree-prof/val-prof-9.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-prof/val-prof-9.c b/gcc/testsuite/gcc.dg/tree-prof/val-prof-9.c
new file mode 100644
index 0000000..8fc2301
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-prof/val-prof-9.c
@@ -0,0 +1,18 @@
+/* { dg-options "-O0 -fdump-tree-optimized" } */
+
+int
+main (int argc, char **argv)
+{
+ unsigned u = (argc - 1);
+ int counter = 0;
+
+ for (unsigned i = 0; i < 100; i++)
+ {
+ counter += u % 16;
+ }
+
+ return counter;
+}
+
+/* autofdo does not do value profiling so far */
+/* { dg-final-use-not-autofdo { scan-tree-dump-times "__gcov_pow2_profiler" 0 "optimized" } } */