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re PR tree-optimization/26830 (Repeated SSA update during loop header copying)
authorPaolo Bonzini <bonzini@gnu.org>
Thu, 30 Mar 2006 14:31:13 +0000 (14:31 +0000)
committerPaolo Bonzini <bonzini@gcc.gnu.org>
Thu, 30 Mar 2006 14:31:13 +0000 (14:31 +0000)
commitae25dbda33696aa6a15840ec31b48f84d6bf8be0
tree5ebedfdba154701e2ff0a85ac4fcab11a7da64c8tree
parent7d3a3b01c3f43635a798a0e03765aef9fdf17e9ecommit | diff
re PR tree-optimization/26830 (Repeated SSA update during loop header copying)

2006-03-30  Paolo Bonzini  <bonzini@gnu.org>

PR tree-optimization/26830

* tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
(copy_prop_visit_stmt): Remove write-only variable ann.
(init_copy_prop): Check variable loop depth here.  Do not simulate
memory-tag and virtual operand PHIs except for store copy prop.

From-SVN: r112534
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