From b018757801c76a71731acfb0745a04b96b010938 Mon Sep 17 00:00:00 2001 From: Martin Liska Date: Wed, 9 Dec 2015 10:34:59 +0100 Subject: [PATCH] re PR ipa/68790 (gcc.c-torture/execute/20050713-1.c FAILs with -O0 -fipa-icf) Fix PR ipa/68790 PR ipa/68790 * ipa-icf.c (sem_function::param_used_p): Return true if ipa_node_params_sum equals to NULL. * gcc.dg/ipa/pr68790.c: New test. From-SVN: r231446 --- gcc/ChangeLog | 6 +++++ gcc/ipa-icf.c | 2 +- gcc/testsuite/ChangeLog | 4 +++ gcc/testsuite/gcc.dg/ipa/pr68790.c | 40 ++++++++++++++++++++++++++++++ 4 files changed, 51 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/ipa/pr68790.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a3813b7cd01..f465e22c675 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-12-09 Martin Liska + + PR ipa/68790 + * ipa-icf.c (sem_function::param_used_p): Return true + if ipa_node_params_sum equals to NULL. + 2015-12-09 Richard Biener PR tree-optimization/68583 diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c index 0029a48a61b..889a07de697 100644 --- a/gcc/ipa-icf.c +++ b/gcc/ipa-icf.c @@ -544,7 +544,7 @@ bool sem_function::param_used_p (unsigned int i) { if (ipa_node_params_sum == NULL) - return false; + return true; struct ipa_node_params *parms_info = IPA_NODE_REF (get_node ()); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 68d9a2dcff4..1b017b76012 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2015-12-09 Martin Liska + + * gcc.dg/ipa/pr68790.c: New test. + 2015-12-08 Jan Hubicka PR ipa/61886 diff --git a/gcc/testsuite/gcc.dg/ipa/pr68790.c b/gcc/testsuite/gcc.dg/ipa/pr68790.c new file mode 100644 index 00000000000..258c0043867 --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/pr68790.c @@ -0,0 +1,40 @@ +/* { dg-do run } */ +/* { dg-options "-O0 -fipa-icf -fdump-ipa-icf" } */ + +struct S +{ + int a; +}; + +int +foo3 (struct S x, struct S y, struct S z) +{ + if (z.a != 9) + __builtin_abort (); + return 0; +} + +int +bar3 (struct S x, struct S y, struct S z) +{ + return foo3 (y, x, z); +} + +int +baz3 (struct S x, struct S y, struct S z) +{ + return foo3 (y, z, x); +} + +int +main (void) +{ + struct S + a = { 3 }, + b = { 6 }, + c = { 9 }; + + return bar3 (b, a, c); +} + +/* { dg-final { scan-ipa-dump "Equal symbols: 0" "icf" } } */ -- 2.30.2