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6959430: Make sure raw loads have control edge

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Check that raw loads have control edge

Reviewed-by: never, twisti
This commit is contained in:
Vladimir Kozlov 2010-06-15 18:07:27 -07:00
parent 998865b735
commit 21f481e5dd
7 changed files with 48 additions and 19 deletions
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11
hotspot/src/share/vm/opto/compile.cpp
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@ -2000,6 +2000,17 @@ static void final_graph_reshaping_impl( Node *n, Final_Reshape_Counts &frc ) {
}
}
#ifdef ASSERT
if( n->is_Mem() ) {
Compile* C = Compile::current();
int alias_idx = C->get_alias_index(n->as_Mem()->adr_type());
assert( n->in(0) != NULL || alias_idx != Compile::AliasIdxRaw ||
// oop will be recorded in oop map if load crosses safepoint
n->is_Load() && (n->as_Load()->bottom_type()->isa_oopptr() ||
LoadNode::is_immutable_value(n->in(MemNode::Address))),
"raw memory operations should have control edge");
}
#endif
// Count FPU ops and common calls, implements item (3)
switch( nop ) {
// Count all float operations that may use FPU