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7089632: assert(machtmp->outcnt() == 1) failed: expected for a MachTemp

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Replace assert with check to delete MachTemp nodes only when they are really dead.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2011-09-13 11:46:51 -07:00
parent 1f8f1f79be
commit e756c96259
1 changed files with 6 additions and 3 deletions

9
hotspot/src/share/vm/opto/postaloc.cpp

@ -100,10 +100,13 @@ int PhaseChaitin::yank_if_dead( Node *old, Block *current_block, Node_List *valu
Node *tmp = NULL;
for (uint i = 1; i < old->req(); i++) {
if (old->in(i)->is_MachTemp()) {
// handle TEMP inputs
Node* machtmp = old->in(i);
assert(machtmp->outcnt() == 1, "expected for a MachTemp");
blk_adjust += yank(machtmp, current_block, value, regnd);
machtmp->disconnect_inputs(NULL);
if (machtmp->outcnt() == 1) {
assert(machtmp->unique_out() == old, "sanity");
blk_adjust += yank(machtmp, current_block, value, regnd);
machtmp->disconnect_inputs(NULL);
}
} else {
assert(tmp == NULL, "can't handle more non MachTemp inputs");
tmp = old->in(i);