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| author | Jakub Jelinek <jakub@redhat.com> | 2012-02-21 10:24:42 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-02-21 10:24:42 +0100 |
| commit | 949e47e5767ae98fe1f30b1b632d02fe8f553abe (patch) | |
| tree | ec15c0db9203945d35dffdf34ff7e724e6fd048b /gcc/gimple-fold.c | |
| parent | c2885517fdda8081eca8036dc7715fe9c2c7f5a2 (diff) | |
| download | gcc-949e47e5767ae98fe1f30b1b632d02fe8f553abe.zip gcc-949e47e5767ae98fe1f30b1b632d02fe8f553abe.tar.gz gcc-949e47e5767ae98fe1f30b1b632d02fe8f553abe.tar.bz2 | |
re PR tree-optimization/52318 (ICE: in execute_todo, at passes.c:1748 with -O3 -ftracer -fno-tree-ccp -fno-tree-copy-prop -fno-tree-dce and stpcpy_chk())
PR tree-optimization/52318
* gimple-fold.c (gimplify_and_update_call_from_tree): Add
vdef also to non-pure/const call stmts in the sequence.
* gcc.dg/pr52318.c: New test.
From-SVN: r184428
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 935bbda..eae4cbe 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -1,5 +1,5 @@ /* Statement simplification on GIMPLE. - Copyright (C) 2010, 2011 Free Software Foundation, Inc. + Copyright (C) 2010, 2011, 2012 Free Software Foundation, Inc. Split out from tree-ssa-ccp.c. This file is part of GCC. @@ -591,8 +591,11 @@ gimplify_and_update_call_from_tree (gimple_stmt_iterator *si_p, tree expr) for (i = gsi_last (stmts); !gsi_end_p (i); gsi_prev (&i)) { new_stmt = gsi_stmt (i); - if (gimple_assign_single_p (new_stmt) - && !is_gimple_reg (gimple_assign_lhs (new_stmt))) + if ((gimple_assign_single_p (new_stmt) + && !is_gimple_reg (gimple_assign_lhs (new_stmt))) + || (is_gimple_call (new_stmt) + && (gimple_call_flags (new_stmt) + & (ECF_NOVOPS | ECF_PURE | ECF_CONST | ECF_NORETURN)) == 0)) { tree vdef; if (!laststore) |