diff options
| author | Martin Jambor <mjambor@suse.cz> | 2017-02-08 10:47:09 +0100 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2017-02-08 10:47:09 +0100 |
| commit | 159f01f8a9bcc92e142ab70ad0df57f371db1096 (patch) | |
| tree | 24264722d83b83fd458ec440fd846ad648c70a87 /gcc | |
| parent | 50c1f4a5e1d41701ee9fcf251c3ce9ad37a51329 (diff) | |
| download | gcc-159f01f8a9bcc92e142ab70ad0df57f371db1096.zip gcc-159f01f8a9bcc92e142ab70ad0df57f371db1096.tar.gz gcc-159f01f8a9bcc92e142ab70ad0df57f371db1096.tar.bz2 | |
[PR 79375] Avoid passing NULL by reference
2017-02-08 Martin Jambor <mjambor@suse.cz>
PR ipa/79375
* ipa-prop.c (ipa_alloc_node_params): Make static, return bool
whether allocation happened.
(ipa_initialize_node_params): Do not call ipa_alloc_node_params if
nothing was allocated.
From-SVN: r245275
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/ipa-prop.c | 21 |
2 files changed, 20 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 67dc9b1..eea8bc7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2017-02-08 Martin Jambor <mjambor@suse.cz> + + PR ipa/79375 + * ipa-prop.c (ipa_alloc_node_params): Make static, return bool + whether allocation happened. + (ipa_initialize_node_params): Do not call ipa_alloc_node_params if + nothing was allocated. + 2017-02-08 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/79408 diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c index d031a70..e4e44ce 100644 --- a/gcc/ipa-prop.c +++ b/gcc/ipa-prop.c @@ -176,16 +176,21 @@ ipa_dump_param (FILE *file, struct ipa_node_params *info, int i) } } -/* Initialize the ipa_node_params structure associated with NODE - to hold PARAM_COUNT parameters. */ +/* If necessary, allocate vector of parameter descriptors in info of NODE. + Return true if they were allocated, false if not. */ -void +static bool ipa_alloc_node_params (struct cgraph_node *node, int param_count) { struct ipa_node_params *info = IPA_NODE_REF (node); if (!info->descriptors && param_count) - vec_safe_grow_cleared (info->descriptors, param_count); + { + vec_safe_grow_cleared (info->descriptors, param_count); + return true; + } + else + return false; } /* Initialize the ipa_node_params structure associated with NODE by counting @@ -197,11 +202,9 @@ ipa_initialize_node_params (struct cgraph_node *node) { struct ipa_node_params *info = IPA_NODE_REF (node); - if (!info->descriptors) - { - ipa_alloc_node_params (node, count_formal_params (node->decl)); - ipa_populate_param_decls (node, *info->descriptors); - } + if (!info->descriptors + && ipa_alloc_node_params (node, count_formal_params (node->decl))) + ipa_populate_param_decls (node, *info->descriptors); } /* Print the jump functions associated with call graph edge CS to file F. */ |