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re PR ipa/61160 (wrong code with -O3 (or ICE: verify_cgraph_node failed: edge points to wrong declaration)) 

2014-06-03  Martin Jambor  <mjambor@suse.cz>

	PR ipa/61160
	* ipa-cp.c (cgraph_edge_brings_value_p): Handle edges leading to
	thunks.

testsuite/
	* g++.dg/ipa/pr61160-1.C: New test.

From-SVN: r211170
This commit is contained in:
Martin Jambor 2014-06-03 12:09:20 +02:00 committed by Martin Jambor
parent e25d96321c
commit d3fb5cf063
4 changed files with 44 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2014-06-03 Martin Jambor <mjambor@suse.cz>
PR ipa/61160
* ipa-cp.c (cgraph_edge_brings_value_p): Handle edges leading to
thunks.
2014-06-03 Thomas Preud'homme <thomas.preudhomme@arm.com>
PR tree-optimization/61328

3
gcc/ipa-cp.c
View File

@ -2482,7 +2482,8 @@ cgraph_edge_brings_value_p (struct cgraph_edge *cs,
struct ipcp_value_source *src)
{
struct ipa_node_params *caller_info = IPA_NODE_REF (cs->caller);
struct ipa_node_params *dst_info = IPA_NODE_REF (cs->callee);
cgraph_node *real_dest = cgraph_function_node (cs->callee);
struct ipa_node_params *dst_info = IPA_NODE_REF (real_dest);
if ((dst_info->ipcp_orig_node && !dst_info->is_all_contexts_clone)
|| caller_info->node_dead)

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2014-06-03 Martin Jambor <mjambor@suse.cz>
PR ipa/61160
* g++.dg/ipa/pr61160-1.C: New test.
2014-06-03 Richard Biener <rguenther@suse.de>
PR tree-optimization/61383

31
gcc/testsuite/g++.dg/ipa/pr61160-1.C Normal file
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@ -0,0 +1,31 @@
/* { dg-do compile } */
/* { dg-options "-O3" } */
struct CBase {
virtual void BaseFunc () {}
};
struct MMixin {
virtual void * MixinFunc (int, void *) = 0;
};
struct CExample: CBase, public MMixin
{
void *MixinFunc (int arg, void *arg2)
{
if (arg != 1 || arg2)
return 0;
return this;
}
};
void *test (MMixin & anExample)
{
return anExample.MixinFunc (1, 0);
}
int main ()
{
CExample c;
return (test (c) != &c);
}