From 5664cea1cd17a11eacb3f33d53547687c19c1ade Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Tue, 12 Jan 2016 14:19:49 +0100 Subject: re PR target/69175 (ICE in haifa_luid_for_non_insn, at haifa-sched.c:7895) PR target/69175 * ifcvt.c (cond_exec_process_if_block): When removing the last insn from then_bb, remove also any possible barriers that follow it. * g++.dg/opt/pr69175.C: New test. From-SVN: r232267 --- gcc/ChangeLog | 6 ++++++ gcc/ifcvt.c | 2 +- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/g++.dg/opt/pr69175.C | 29 +++++++++++++++++++++++++++++ 4 files changed, 41 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/g++.dg/opt/pr69175.C diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c7674e5..5ae37fc 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-01-12 Jakub Jelinek + + PR target/69175 + * ifcvt.c (cond_exec_process_if_block): When removing the last + insn from then_bb, remove also any possible barriers that follow it. + 2016-01-12 H.J. Lu PR target/68456 diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 7d94e75..ec6c3de 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -740,7 +740,7 @@ cond_exec_process_if_block (ce_if_block * ce_info, rtx_insn *from = then_first_tail; if (!INSN_P (from)) from = find_active_insn_after (then_bb, from); - delete_insn_chain (from, BB_END (then_bb), false); + delete_insn_chain (from, get_last_bb_insn (then_bb), false); } if (else_last_head) delete_insn_chain (first_active_insn (else_bb), else_last_head, false); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 5fb7ba0..3ac0457 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-01-12 Jakub Jelinek + + PR target/69175 + * g++.dg/opt/pr69175.C: New test. + 2016-01-12 Alan Lawrence * gcc.dg/vect/fast-math-bb-slp-call-3.c: Declare functions as 'extern' diff --git a/gcc/testsuite/g++.dg/opt/pr69175.C b/gcc/testsuite/g++.dg/opt/pr69175.C new file mode 100644 index 0000000..e24f681 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/pr69175.C @@ -0,0 +1,29 @@ +// PR target/69175 +// { dg-do compile } +// { dg-options "-O2" } +// { dg-additional-options "-march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -mthumb" { target { arm_hard_vfp_ok && arm_thumb2_ok } } } + +struct A { A *c, *d; } a; +struct B { A *e; A *f; void foo (); }; +void *b; + +void +B::foo () +{ + if (b) + { + A *n = (A *) b; + if (b == e) + if (n == f) + e = __null; + else + e->c = __null; + else + n->d->c = &a; + n->d = e; + if (e == __null) + e = f = n; + else + e = n; + } +} -- cgit v1.1