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tree-ssa-pre.c (is_exception_related): New function
2007-06-30 Daniel Berlin <dberlin@dberlin.org> * tree-ssa-pre.c (is_exception_related): New function (can_value_number_operation): Use it. From-SVN: r126162
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@ -24,6 +24,11 @@
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* pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
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* pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
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2007-06-30 Daniel Berlin <dberlin@dberlin.org>
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* tree-ssa-pre.c (is_exception_related): New function
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(can_value_number_operation): Use it.
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2007-06-30 Daniel Berlin <dberlin@dberlin.org>
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Fix PR tree-optimization/32540
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@ -2122,13 +2122,23 @@ can_value_number_call (tree stmt)
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return false;
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}
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/* Return true if OP is an exception handler related operation, such as
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FILTER_EXPRor EXC_PTR_EXPR. */
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static bool
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is_exception_related (tree op)
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{
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return TREE_CODE (op) == FILTER_EXPR || TREE_CODE (op) == EXC_PTR_EXPR;
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}
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/* Return true if OP is a tree which we can perform value numbering
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on. */
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static bool
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can_value_number_operation (tree op)
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{
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return UNARY_CLASS_P (op)
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return (UNARY_CLASS_P (op)
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&& !is_exception_related (TREE_OPERAND (op, 0)))
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|| BINARY_CLASS_P (op)
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|| COMPARISON_CLASS_P (op)
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|| REFERENCE_CLASS_P (op)
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