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Diffstat (limited to 'gcc/tree-ssa-dce.cc')
| -rw-r--r-- | gcc/tree-ssa-dce.cc | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-dce.cc b/gcc/tree-ssa-dce.cc index 4386908..160c28c 100644 --- a/gcc/tree-ssa-dce.cc +++ b/gcc/tree-ssa-dce.cc @@ -1682,9 +1682,12 @@ eliminate_unnecessary_stmts (bool aggressive) update_stmt (call_stmt); release_ssa_name (name); + /* __builtin_stack_save without lhs is not needed. */ + if (gimple_call_builtin_p (call_stmt, BUILT_IN_STACK_SAVE)) + remove_dead_stmt (&gsi, bb, to_remove_edges); /* GOMP_SIMD_LANE (unless three argument) or ASAN_POISON without lhs is not needed. */ - if (gimple_call_internal_p (call_stmt)) + else if (gimple_call_internal_p (call_stmt)) switch (gimple_call_internal_fn (call_stmt)) { case IFN_GOMP_SIMD_LANE: |