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* tree-ssa-ccp.c (get_default_value): If we have a constant
authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 22 Sep 2004 04:07:23 +0000 (04:07 +0000)
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 22 Sep 2004 04:07:23 +0000 (04:07 +0000)
commit92481a4d0a1baf5aceacafc74fed24ddcd2995aa
treeba1ee7d893d35a339821c16a830d1a3c262c07e7tree | snapshot
parent6c06b97256ed18dc19a35441db46fbd9e2f1a678commit | diff
* tree-ssa-ccp.c (get_default_value): If we have a constant
value recorded for an SSA_NAME, then use that constant as
the initial lattice value.
(substitute_and_fold): Transfer equivalences discovered into
SSA_NAME_EQUIV.

* tree.h (SSA_NAME_EQUIV): Add comments.
(SET_SSA_NAME_EQUIV): Similarly.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87844 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | history
gcc/tree-ssa-ccp.c diff | blob | history
gcc/tree.h diff | blob | history
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