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| author | Marek Polacek <polacek@redhat.com> | 2015-09-30 09:24:02 +0000 |
|---|---|---|
| committer | Marek Polacek <mpolacek@gcc.gnu.org> | 2015-09-30 09:24:02 +0000 |
| commit | 6ea2f74cf9dbee7a3e41d4c2bd3757a2ea303b8e (patch) | |
| tree | d3500a983497c0bd0167a8f97529626c0c3a2ed2 /gcc/tree-ssa-ifcombine.c | |
| parent | ae15100c9197195f26541c199aa4f6c75d36eb13 (diff) | |
| download | gcc-6ea2f74cf9dbee7a3e41d4c2bd3757a2ea303b8e.zip gcc-6ea2f74cf9dbee7a3e41d4c2bd3757a2ea303b8e.tar.gz gcc-6ea2f74cf9dbee7a3e41d4c2bd3757a2ea303b8e.tar.bz2 | |
re PR tree-optimization/67690 (wrong code with -O2 on x86_64/Linux)
PR tree-optimization/67690
* tree-ssa-ifcombine.c (pass_tree_ifcombine::execute): Call
reset_flow_sensitive_info_in_bb.
* tree-ssa-tail-merge.c (replace_block_by): Likewise.
* tree-ssanames.c: Include "gimple-iterator.h".
(reset_flow_sensitive_info_in_bb): New function.
* tree-ssanames.h (reset_flow_sensitive_info_in_bb): Declare.
* gcc.dg/torture/pr67690.c: New test.
From-SVN: r228284
Diffstat (limited to 'gcc/tree-ssa-ifcombine.c')
| -rw-r--r-- | gcc/tree-ssa-ifcombine.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/gcc/tree-ssa-ifcombine.c b/gcc/tree-ssa-ifcombine.c index 9f04174..66be430 100644 --- a/gcc/tree-ssa-ifcombine.c +++ b/gcc/tree-ssa-ifcombine.c @@ -769,16 +769,7 @@ pass_tree_ifcombine::execute (function *fun) { /* Clear range info from all stmts in BB which is now executed conditional on a always true/false condition. */ - for (gimple_stmt_iterator gsi = gsi_start_bb (bb); - !gsi_end_p (gsi); gsi_next (&gsi)) - { - gimple *stmt = gsi_stmt (gsi); - ssa_op_iter i; - tree op; - FOR_EACH_SSA_TREE_OPERAND (op, stmt, i, SSA_OP_DEF) - reset_flow_sensitive_info (op); - } - + reset_flow_sensitive_info_in_bb (bb); cfg_changed |= true; } } |