Temporarly disable SSA creation in try/catch/debuggable.

This is to enable optimizations when the debuggable flag is set.

bug:24054676

Change-Id: I34eef2481ae44ad3550e04ec6f796d421d03adc0

1 files changed, 6 insertions, 0 deletions

diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index f549ba8391..fac51903e6 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -560,6 +560,12 @@ CompiledMethod* OptimizingCompiler::CompileOptimized(HGraph* graph,
                                                      CompilerDriver* compiler_driver,
                                                      const DexCompilationUnit& dex_compilation_unit,
                                                      PassObserver* pass_observer) const {
+  if (graph->HasTryCatch() && graph->IsDebuggable()) {
+    // TODO: b/24054676, stop creating catch phis eagerly to avoid special cases like phis without
+    // inputs.
+    return nullptr;
+  }
+
   ScopedObjectAccess soa(Thread::Current());
   StackHandleScopeCollection handles(soa.Self());
   soa.Self()->TransitionFromRunnableToSuspended(kNative);