OpenJDK / portola / portola
changeset 48198:afcefb8ab1e1
8191950: assertion failed: no insertions allowed
Summary: Check for dead loops before incremental inlining.
Reviewed-by: thartmann
| author | roland |
|---|---|
| date | Sat, 02 Dec 2017 13:50:04 +0100 |
| parents | 5ee29f4ec472 |
| children | bf64ff40f4eb |
| files | src/hotspot/share/opto/callGenerator.cpp |
| diffstat | 1 files changed, 14 insertions(+), 0 deletions(-) [+] |
line wrap: on
line diff
--- a/src/hotspot/share/opto/callGenerator.cpp Sat Dec 02 06:51:10 2017 +0100 +++ b/src/hotspot/share/opto/callGenerator.cpp Sat Dec 02 13:50:04 2017 +0100 @@ -362,6 +362,20 @@ return; } + // check for unreachable loop + CallProjections callprojs; + call->extract_projections(&callprojs, true); + if (callprojs.fallthrough_catchproj == call->in(0) || + callprojs.catchall_catchproj == call->in(0) || + callprojs.fallthrough_memproj == call->in(TypeFunc::Memory) || + callprojs.catchall_memproj == call->in(TypeFunc::Memory) || + callprojs.fallthrough_ioproj == call->in(TypeFunc::I_O) || + callprojs.catchall_ioproj == call->in(TypeFunc::I_O) || + (callprojs.resproj != NULL && call->find_edge(callprojs.resproj) != -1) || + (callprojs.exobj != NULL && call->find_edge(callprojs.exobj) != -1)) { + return; + } + Compile* C = Compile::current(); // Remove inlined methods from Compiler's lists. if (call->is_macro()) {