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[PATCH] Add test coverage for PR gcov-profile/35590
- From: Martin Liška <mliska at suse dot cz>
- To: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Cc: Nathan Sidwell <nathan at acm dot org>, Jan Hubicka <hubicka at ucw dot cz>
- Date: Wed, 10 Aug 2016 14:50:15 +0200
- Subject: [PATCH] Add test coverage for PR gcov-profile/35590
- Authentication-results: sourceware.org; auth=none
Hi.
Following patch makes better test-coverage for cases mentioned in the PR.
The PR is resolved, I'll close it as soon as the patch is accepted.
Survives make check -k -j10 RUNTESTFLAGS="tree-prof.exp" on x86_64-linux-gnu.
Ready for trunk?
Thanks,
Martin
>From 686f204ab67b4c7a06feda0a85b22e864ffc1bda Mon Sep 17 00:00:00 2001
From: marxin <mliska@suse.cz>
Date: Wed, 10 Aug 2016 14:45:40 +0200
Subject: [PATCH] Add test coverage for PR gcov-profile/35590
gcc/testsuite/ChangeLog:
2016-08-10 Martin Liska <mliska@suse.cz>
PR gcov-profile/35590
* gcc.dg/tree-prof/val-prof-7.c: Improve test coverage.
---
gcc/testsuite/gcc.dg/tree-prof/val-prof-7.c | 86 ++++++++++++++++++++++++-----
1 file changed, 71 insertions(+), 15 deletions(-)
diff --git a/gcc/testsuite/gcc.dg/tree-prof/val-prof-7.c b/gcc/testsuite/gcc.dg/tree-prof/val-prof-7.c
index 9765b99..3e636aa 100644
--- a/gcc/testsuite/gcc.dg/tree-prof/val-prof-7.c
+++ b/gcc/testsuite/gcc.dg/tree-prof/val-prof-7.c
@@ -1,25 +1,81 @@
/* { dg-options "-O2 -fdump-ipa-profile -mtune=core2" } */
/* { dg-skip-if "" { ! { i?86-*-* x86_64-*-* } } { "*" } { "" } } */
-extern void bzero (void *, __SIZE_TYPE__);
+char *buffer1;
+char *buffer2;
-int foo(int len)
-{
- char array[1000];
- bzero(array, len);
- return 0;
+#define DEFINE_TEST(N) \
+__attribute__((noinline)) \
+void bzero_test_ ## N (int len) \
+{ \
+ __builtin_bzero (buffer1, len); \
+} \
+ \
+__attribute__((noinline)) \
+void memcpy_test_ ## N (int len) \
+{ \
+ __builtin_memcpy (buffer1, buffer2, len); \
+} \
+ \
+__attribute__((noinline)) \
+void mempcpy_test_ ## N (int len) \
+{ \
+ __builtin_mempcpy (buffer1, buffer2, len); \
+} \
+ \
+__attribute__((noinline)) \
+void memset_test_ ## N (int len) \
+{ \
+ __builtin_memset (buffer1, 'c', len); \
+} \
+ \
+void test_stringops_ ## N(int len) \
+{ \
+ bzero_test_ ## N (len); \
+ memcpy_test_## N (len); \
+ mempcpy_test_ ## N (len); \
+ memset_test_ ## N (len); \
+} \
+ \
+void test_stringops_with_values_ ## N (int common, int not_common) \
+{ \
+ int i; \
+ for (i = 0; i < 1000; i++) \
+ { \
+ if (i > 990) \
+ test_stringops_ ## N (not_common); \
+ else \
+ test_stringops_ ## N (common); \
+ } \
}
+DEFINE_TEST(0);
+DEFINE_TEST(1);
+DEFINE_TEST(2);
+
int main() {
- int i;
- for (i = 0; i < 1000; i++)
- {
- if (i > 990)
- foo(16);
- else
- foo(8);
- }
+ buffer1 = __builtin_malloc (1000);
+ buffer2 = __builtin_malloc (1000);
+
+ test_stringops_with_values_0 (8, 111);
+ test_stringops_with_values_1 (111, 111);
+ test_stringops_with_values_2 (257, 111);
+
return 0;
}
-/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 8 stringop transformation on bzero" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 8 stringop transformation on __builtin_bzero" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 111 stringop transformation on __builtin_bzero" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump-times "Single value 257 stringop transformation on __builtin_bzero" 0 "profile" } } */
+
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 8 stringop transformation on __builtin_memcpy" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 111 stringop transformation on __builtin_memcpy" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump-times "Single value 257 stringop transformation on __builtin_memcpy" 0 "profile" } } */
+
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 8 stringop transformation on __builtin_mempcpy" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 111 stringop transformation on __builtin_mempcpy" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump-times "Single value 257 stringop transformation on __builtin_mempcpy" 0 "profile" } } */
+
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 8 stringop transformation on __builtin_memset" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump "Single value 111 stringop transformation on __builtin_memset" "profile" } } */
+/* { dg-final-use-not-autofdo { scan-ipa-dump-times "Single value 257 stringop transformation on __builtin_memset" 0 "profile" } } */
--
2.9.2