stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

6766316: assert(!nocreate,"Cannot build a phi for a block already parsed.")

Browse Source 
Don't use the invariant local information if there are irreducible loops.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2008-11-18 12:40:28 -08:00
parent f2c8d25c73
commit 893d1c4148
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
hotspot/src/share/vm/opto/parse.hpp
View File

@ -175,7 +175,7 @@ class Parse : public GraphKit {
bool is_SEL_backedge(Block* pred) const{ return is_SEL_head() && pred->rpo() >= rpo(); }
bool is_invariant_local(uint i) const {
const JVMState* jvms = start_map()->jvms();
if (!jvms->is_loc(i)) return false;
if (!jvms->is_loc(i) || flow()->outer()->has_irreducible_entry()) return false;
return flow()->is_invariant_local(i - jvms->locoff());
}
bool can_elide_SEL_phi(uint i) const { assert(is_SEL_head(),""); return is_invariant_local(i); }