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From: Richard Biener <rguenth@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r10-10061] ipa/97565 - fix IPA PTA body availability check Date: Tue, 24 Aug 2021 09:17:17 +0000 (GMT) [thread overview] Message-ID: <20210824091717.D7BD53858430@sourceware.org> (raw) https://gcc.gnu.org/g:3b0c38012093078549811ae1ca0215d1047a2be2 commit r10-10061-g3b0c38012093078549811ae1ca0215d1047a2be2 Author: Richard Biener <rguenther@suse.de> Date: Mon Aug 23 15:37:48 2021 +0200 ipa/97565 - fix IPA PTA body availability check Looks like the existing check using has_gimple_body_p isn't enough at LTRANS time but I need to check in_other_partition as well. 2021-08-23 Richard Biener <rguenther@suse.de> PR ipa/97565 * tree-ssa-structalias.c (ipa_pta_execute): Check in_other_partition in addition to has_gimple_body. * g++.dg/lto/pr97565_0.C: New testcase. * g++.dg/lto/pr97565_1.C: Likewise. (cherry picked from commit 0230e69a3fabe6ad1d80cdf308ad1bf1934c4381) Diff: --- gcc/testsuite/g++.dg/lto/pr97565_0.C | 7 +++++++ gcc/testsuite/g++.dg/lto/pr97565_1.C | 6 ++++++ gcc/tree-ssa-structalias.c | 22 ++++++++++++++-------- 3 files changed, 27 insertions(+), 8 deletions(-) diff --git a/gcc/testsuite/g++.dg/lto/pr97565_0.C b/gcc/testsuite/g++.dg/lto/pr97565_0.C new file mode 100644 index 00000000000..f4572e17bf5 --- /dev/null +++ b/gcc/testsuite/g++.dg/lto/pr97565_0.C @@ -0,0 +1,7 @@ +// { dg-lto-do link } +// { dg-lto-options { "-O -flto -fipa-pta" } } + +extern "C" void abort(void) +{ + abort(); +} diff --git a/gcc/testsuite/g++.dg/lto/pr97565_1.C b/gcc/testsuite/g++.dg/lto/pr97565_1.C new file mode 100644 index 00000000000..ff7b638e9c5 --- /dev/null +++ b/gcc/testsuite/g++.dg/lto/pr97565_1.C @@ -0,0 +1,6 @@ +extern "C" void abort(void); + +int main(int argc, char * argv[]) +{ + abort(); +} diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 40171d53d0a..5bf4738b526 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -8134,10 +8134,12 @@ ipa_pta_execute (void) FOR_EACH_DEFINED_FUNCTION (node) { varinfo_t vi; - /* Nodes without a body are not interesting. Especially do not - visit clones at this point for now - we get duplicate decls - there for inline clones at least. */ - if (!node->has_gimple_body_p () || node->inlined_to) + /* Nodes without a body in this partition are not interesting. + Especially do not visit clones at this point for now - we + get duplicate decls there for inline clones at least. */ + if (!node->has_gimple_body_p () + || node->in_other_partition + || node->inlined_to) continue; node->get_body (); @@ -8215,8 +8217,10 @@ ipa_pta_execute (void) struct function *func; basic_block bb; - /* Nodes without a body are not interesting. */ - if (!node->has_gimple_body_p () || node->clone_of) + /* Nodes without a body in this partition are not interesting. */ + if (!node->has_gimple_body_p () + || node->in_other_partition + || node->clone_of) continue; if (dump_file) @@ -8345,8 +8349,10 @@ ipa_pta_execute (void) unsigned i; basic_block bb; - /* Nodes without a body are not interesting. */ - if (!node->has_gimple_body_p () || node->clone_of) + /* Nodes without a body in this partition are not interesting. */ + if (!node->has_gimple_body_p () + || node->in_other_partition + || node->clone_of) continue; fn = DECL_STRUCT_FUNCTION (node->decl);
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