Don't compile OSR methods that have phi equivalents at loop entry.

We currently don't handle this in the stack map, where we only encode
one stack slot for a dex register.

Bug: 136698025
Test: 721-osr
Change-Id: Ib395ed1165387ad5446a463c307cc0a45e365885

1 files changed, 5 insertions, 0 deletions

diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 6f3b9feb9d..b1a3abee2f 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -914,6 +914,11 @@ CodeGenerator* OptimizingCompiler::TryCompile(ArenaAllocator* allocator,
                           MethodCompilationStat::kNotCompiledIrreducibleLoopAndStringInit);
           break;
         }
+        case kAnalysisFailPhiEquivalentInOsr: {
+          MaybeRecordStat(compilation_stats_.get(),
+                          MethodCompilationStat::kNotCompiledPhiEquivalentInOsr);
+          break;
+        }
         case kAnalysisSuccess:
           UNREACHABLE();
       }