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authorAlexandre Oliva <oliva@adacore.com>2019-07-04 15:00:00 +0000
committerAlexandre Oliva <aoliva@gcc.gnu.org>2019-07-04 15:00:00 +0000
commitebebc928d8b0d17676e751848892f927373b1fe5 (patch)
tree5b00c4867b3d58dc4865627ffab29da1e0baa2d0 /intl
parente57c896e86c4257741b574d99d7cacbfda219755 (diff)
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introduce EH_ELSE_EXPR tree and gimplifier
I found GIMPLE_EH_ELSE offered exactly the semantics I needed for some Ada changes yet to be contributed, but GIMPLE_EH_ELSE was only built by GIMPLE passes, and I needed to build earlier something that eventually became GIMPLE_EH_ELSE. This patch does that, introducing an EH_ELSE_EXPR tree, and logic to dump it and to gimplify it. for gcc/ChangeLog * doc/generic.texi (Cleanups): Document EH_ELSE_EXPR. * except.c: Likewise. * expr.c (expand_expr_real_1): Reject it. * gimplify.c (gimplify_expr): Gimplify it, within TRY_FINALLY_EXPR. * tree-dump.c (dequeue_and_dump): Dump it. * tree-pretty-print.c (dump_generic_node): Likewise. * tree.c (block_may_fallthru): Handle it. * tree.def (EH_ELSE_EXPR): Introduce it. * gimple-pretty-print.c (dump_gimple_try): Dump TRY_FINALLY with GIMPLE_EH_ELSE as try/finally/else. From-SVN: r273084
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