Hi, this patch adds -ftree-tail-merge to tail-merge testcases.
There is no separate dump for tail-merge, instead the test-cases use -fdump-tree-pre, so it's not easy to spot that they're tail-merge test-cases. This patch fixes that by adding an explicit -ftree-tail-merge.
Committed as obvious. Thanks, - Tom
>From 70b69e3572414bd486cd9c25ed77216975136e21 Mon Sep 17 00:00:00 2001 From: Tom de Vries <t...@codesourcery.com> Date: Mon, 17 Nov 2014 19:00:12 +0100 Subject: [PATCH 1/5] Add -ftree-tail-merge to tail-merge testcases 2014-11-17 Tom de Vries <t...@codesourcery.com> * gcc.dg/pr43864-2.c: Add -ftree-tail-merge to dg-options. * gcc.dg/pr43864-3.c: Same. * gcc.dg/pr43864-4.c: Same. * gcc.dg/pr43864.c: Same. * gcc.dg/pr50763.c: Same. * gcc.dg/pr51879-12.c: Same. * gcc.dg/pr51879-16.c: Same. * gcc.dg/pr51879-17.c: Same. * gcc.dg/pr51879-18.c: Same. * gcc.dg/pr51879-2.c: Same. * gcc.dg/pr51879-3.c: Same. * gcc.dg/pr51879-4.c: Same. * gcc.dg/pr51879-6.c: Same. * gcc.dg/pr51879-7.c: Same. * gcc.dg/pr51879.c: Same. --- gcc/testsuite/gcc.dg/pr43864-2.c | 2 +- gcc/testsuite/gcc.dg/pr43864-3.c | 2 +- gcc/testsuite/gcc.dg/pr43864-4.c | 2 +- gcc/testsuite/gcc.dg/pr43864.c | 2 +- gcc/testsuite/gcc.dg/pr50763.c | 2 +- gcc/testsuite/gcc.dg/pr51879-12.c | 2 +- gcc/testsuite/gcc.dg/pr51879-16.c | 2 +- gcc/testsuite/gcc.dg/pr51879-17.c | 2 +- gcc/testsuite/gcc.dg/pr51879-18.c | 2 +- gcc/testsuite/gcc.dg/pr51879-2.c | 2 +- gcc/testsuite/gcc.dg/pr51879-3.c | 2 +- gcc/testsuite/gcc.dg/pr51879-4.c | 2 +- gcc/testsuite/gcc.dg/pr51879-6.c | 2 +- gcc/testsuite/gcc.dg/pr51879-7.c | 2 +- gcc/testsuite/gcc.dg/pr51879.c | 2 +- 15 files changed, 15 insertions(+), 15 deletions(-) diff --git a/gcc/testsuite/gcc.dg/pr43864-2.c b/gcc/testsuite/gcc.dg/pr43864-2.c index f00fff9..8ab1e1a 100644 --- a/gcc/testsuite/gcc.dg/pr43864-2.c +++ b/gcc/testsuite/gcc.dg/pr43864-2.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ int f (int c, int b, int d) diff --git a/gcc/testsuite/gcc.dg/pr43864-3.c b/gcc/testsuite/gcc.dg/pr43864-3.c index c4954e1..8b72ecf 100644 --- a/gcc/testsuite/gcc.dg/pr43864-3.c +++ b/gcc/testsuite/gcc.dg/pr43864-3.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ /* Commutative case. */ diff --git a/gcc/testsuite/gcc.dg/pr43864-4.c b/gcc/testsuite/gcc.dg/pr43864-4.c index 42adfee..4dbc953 100644 --- a/gcc/testsuite/gcc.dg/pr43864-4.c +++ b/gcc/testsuite/gcc.dg/pr43864-4.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ /* Different stmt order. */ diff --git a/gcc/testsuite/gcc.dg/pr43864.c b/gcc/testsuite/gcc.dg/pr43864.c index 8d1e989..a644e21 100644 --- a/gcc/testsuite/gcc.dg/pr43864.c +++ b/gcc/testsuite/gcc.dg/pr43864.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ extern void foo (char*, int); extern void mysprintf (char *, char *); diff --git a/gcc/testsuite/gcc.dg/pr50763.c b/gcc/testsuite/gcc.dg/pr50763.c index 695b61c..8201fd3 100644 --- a/gcc/testsuite/gcc.dg/pr50763.c +++ b/gcc/testsuite/gcc.dg/pr50763.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fno-tree-dominator-opts -fdump-tree-pre" } */ int bar (int i); diff --git a/gcc/testsuite/gcc.dg/pr51879-12.c b/gcc/testsuite/gcc.dg/pr51879-12.c index 1b25e29..8126505 100644 --- a/gcc/testsuite/gcc.dg/pr51879-12.c +++ b/gcc/testsuite/gcc.dg/pr51879-12.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ __attribute__((pure)) int bar (int); __attribute__((pure)) int bar2 (int); diff --git a/gcc/testsuite/gcc.dg/pr51879-16.c b/gcc/testsuite/gcc.dg/pr51879-16.c index 3a84e97..7897094 100644 --- a/gcc/testsuite/gcc.dg/pr51879-16.c +++ b/gcc/testsuite/gcc.dg/pr51879-16.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ struct S { int i; diff --git a/gcc/testsuite/gcc.dg/pr51879-17.c b/gcc/testsuite/gcc.dg/pr51879-17.c index 806fe7b..8a2fe5e 100644 --- a/gcc/testsuite/gcc.dg/pr51879-17.c +++ b/gcc/testsuite/gcc.dg/pr51879-17.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ struct S { int i; diff --git a/gcc/testsuite/gcc.dg/pr51879-18.c b/gcc/testsuite/gcc.dg/pr51879-18.c index 95629f1..8de3557 100644 --- a/gcc/testsuite/gcc.dg/pr51879-18.c +++ b/gcc/testsuite/gcc.dg/pr51879-18.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre -fno-tree-copy-prop -fno-tree-dominator-opts -fno-tree-copyrename" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre -fno-tree-copy-prop -fno-tree-dominator-opts -fno-tree-copyrename" } */ extern int foo (void); diff --git a/gcc/testsuite/gcc.dg/pr51879-2.c b/gcc/testsuite/gcc.dg/pr51879-2.c index db385cb..78acd1f 100644 --- a/gcc/testsuite/gcc.dg/pr51879-2.c +++ b/gcc/testsuite/gcc.dg/pr51879-2.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ int bar (int); void baz (int); diff --git a/gcc/testsuite/gcc.dg/pr51879-3.c b/gcc/testsuite/gcc.dg/pr51879-3.c index be4b374..90f0041 100644 --- a/gcc/testsuite/gcc.dg/pr51879-3.c +++ b/gcc/testsuite/gcc.dg/pr51879-3.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ int bar (int); void baz (int); diff --git a/gcc/testsuite/gcc.dg/pr51879-4.c b/gcc/testsuite/gcc.dg/pr51879-4.c index 5cb47af..1a9b76e 100644 --- a/gcc/testsuite/gcc.dg/pr51879-4.c +++ b/gcc/testsuite/gcc.dg/pr51879-4.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ int bar (int); void baz (int); diff --git a/gcc/testsuite/gcc.dg/pr51879-6.c b/gcc/testsuite/gcc.dg/pr51879-6.c index 8362a17..3d83590 100644 --- a/gcc/testsuite/gcc.dg/pr51879-6.c +++ b/gcc/testsuite/gcc.dg/pr51879-6.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ int bar (int); diff --git a/gcc/testsuite/gcc.dg/pr51879-7.c b/gcc/testsuite/gcc.dg/pr51879-7.c index 8a699a1..5fdf319 100644 --- a/gcc/testsuite/gcc.dg/pr51879-7.c +++ b/gcc/testsuite/gcc.dg/pr51879-7.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ int z; diff --git a/gcc/testsuite/gcc.dg/pr51879.c b/gcc/testsuite/gcc.dg/pr51879.c index 060624f..ac4a4cc 100644 --- a/gcc/testsuite/gcc.dg/pr51879.c +++ b/gcc/testsuite/gcc.dg/pr51879.c @@ -1,5 +1,5 @@ /* { dg-do compile } */ -/* { dg-options "-O2 -fdump-tree-pre" } */ +/* { dg-options "-O2 -ftree-tail-merge -fdump-tree-pre" } */ int bar (int); void baz (int); -- 1.9.1