From 9961eb45689d012c3c4f129bb15a30d12eed8888 Mon Sep 17 00:00:00 2001 From: Martin Jambor Date: Wed, 3 Jun 2009 13:56:05 +0200 Subject: [PATCH] re PR tree-optimization/40323 (compiling just takes forever and doesn't really process) 2009-06-03 Martin Jambor PR tree-optimization/40323 * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single assignment. * testsuite/g++.dg/torture/pr40323.C: New file. From-SVN: r148126 --- gcc/ChangeLog | 6 +++ gcc/ipa-prop.c | 2 + gcc/testsuite/ChangeLog | 4 ++ gcc/testsuite/g++.dg/torture/pr40323.C | 68 ++++++++++++++++++++++++++ 4 files changed, 80 insertions(+) create mode 100644 gcc/testsuite/g++.dg/torture/pr40323.C diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b289d6c2df9..b8392d280a9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-06-03 Martin Jambor + + PR tree-optimization/40323 + * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single + assignment. + 2009-06-03 Richard Guenther * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c index 6f5e26b2042..a376f45c7b3 100644 --- a/gcc/ipa-prop.c +++ b/gcc/ipa-prop.c @@ -440,6 +440,8 @@ get_ssa_def_if_simple_copy (tree rhs) if (gimple_assign_single_p (def_stmt)) rhs = gimple_assign_rhs1 (def_stmt); + else + break; } return rhs; } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 981a89128e4..2fe13e1d659 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2009-06-03 Martin Jambor + + * g++.dg/torture/pr40323.C: New file. + 2009-06-03 Eric Botcazou * gnat.dg/specs/root.ads: New test. diff --git a/gcc/testsuite/g++.dg/torture/pr40323.C b/gcc/testsuite/g++.dg/torture/pr40323.C new file mode 100644 index 00000000000..adecf7fe5f3 --- /dev/null +++ b/gcc/testsuite/g++.dg/torture/pr40323.C @@ -0,0 +1,68 @@ +/* Testcase for PR 40323. */ +/* { dg-do compile } */ +/* { dg-options "-fno-early-inlining" } */ +/* { dg-options "-fno-early-inlining -fpie" { target { ! nonpic } } } */ + +extern void do_something (const char *, int); + +class Parent +{ +private: + const char *data; + +public: + Parent (const char *d) : data(d) + {} + + int funcOne (int delim) const; +}; + +class AnotherParent +{ +private: + double d; +public: + AnotherParent (void) : d(0) + {} +}; + + +class Child : public AnotherParent, Parent +{ +private: + int zzz; +public: + Child (const char *d) : Parent(d) + {} +}; + + +int Parent::funcOne (int delim) const +{ + int i; + for (i = 0; i < delim; i++) + do_something(data, i); + + return 1; +} + +int docalling (int (Child::* f)(int delim) const) +{ + Child S ("muhehehe"); + + return (S.*f)(4); +} + +typedef int (Parent::* my_mp_type)(int delim); + +int main (int argc, char *argv[]) +{ + int i; + int (Parent::* f)(int ) const; + int (Child::* g)(int ) const; + + f = &Parent::funcOne; + g = (int (Child::* )(int) const) f; + i = docalling (g); + return i; +} -- 2.30.2