gnu /
gcc /
6f74a5f5dc12bc337068f0f6a554d72604488959 tree-optimization/115701 - factor out maybe_duplicate_ssa_info_at_copy
The following factors out the code that preserves SSA info of the LHS
of a SSA copy LHS = RHS when LHS is about to be eliminated to RHS.
PR tree-optimization/115701
* tree-ssanames.h (maybe_duplicate_ssa_info_at_copy): Declare.
* tree-ssanames.cc (maybe_duplicate_ssa_info_at_copy): New
function, split out from ...
* tree-ssa-copy.cc (fini_copy_prop): ... here.
* tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt): ...
and here.
(cherry picked from commit b5c64b413fd5bc03a1a8ef86d005892071e42cbe)
4 files changed
