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| author | Richard Biener <rguenther@suse.de> | 2014-10-14 07:36:02 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-10-14 07:36:02 +0000 |
| commit | b6fed550a33a4ea5005b52c0361f6386d9d70a65 (patch) | |
| tree | 74da23b12238b0becd94fc1b6c903f4233105bf6 /gcc/tree-ssa-pre.c | |
| parent | 340232b7e42de8661735ea188ef7a3acf1a46a07 (diff) | |
| download | gcc-b6fed550a33a4ea5005b52c0361f6386d9d70a65.zip gcc-b6fed550a33a4ea5005b52c0361f6386d9d70a65.tar.gz gcc-b6fed550a33a4ea5005b52c0361f6386d9d70a65.tar.bz2 | |
re PR tree-optimization/63512 (ICE: error: virtual use of statement not up-to-date)
2014-10-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/63512
* tree-ssa-pre.c (create_expression_by_pieces): Mark stmts
modified.
* g++.dg/torture/pr63512.C: New testcase.
From-SVN: r216174
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 60ff70f..c3dad70 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -2897,6 +2897,7 @@ create_expression_by_pieces (basic_block block, pre_expr expr, } gimple_set_vuse (stmt, BB_LIVE_VOP_ON_EXIT (block)); + gimple_set_modified (stmt, true); } gimple_seq_add_seq (stmts, forced_stmts); } @@ -2904,6 +2905,7 @@ create_expression_by_pieces (basic_block block, pre_expr expr, name = make_temp_ssa_name (exprtype, NULL, "pretmp"); newstmt = gimple_build_assign (name, folded); gimple_set_vuse (newstmt, BB_LIVE_VOP_ON_EXIT (block)); + gimple_set_modified (newstmt, true); gimple_set_plf (newstmt, NECESSARY, false); gimple_seq_add_stmt (stmts, newstmt); |