Revert "Change LLVM exception check to check all thread flags."

This reverts commit a1ae861c673ab5160a2a7afee2ada806cb61966b

Change-Id: Idba8b55bf9df79174cf89a1c332b169eac9c0ff1
diff --git a/src/compiler_llvm/method_compiler.cc b/src/compiler_llvm/method_compiler.cc
index 7ab11f5..ccec7e9 100644
--- a/src/compiler_llvm/method_compiler.cc
+++ b/src/compiler_llvm/method_compiler.cc
@@ -3540,34 +3540,16 @@
     return;
   }
 
+  llvm::Value* exception_pending = irb_.Runtime().EmitIsExceptionPending();
+
   llvm::BasicBlock* block_cont = CreateBasicBlockWithDexPC(dex_pc, "cont");
-  llvm::BasicBlock* block_flags = CreateBasicBlockWithDexPC(dex_pc, "flags");
-  llvm::BasicBlock* block_suspend = CreateBasicBlockWithDexPC(dex_pc, "suspend");
-
-  llvm::Value* flags =
-      irb_.Runtime().EmitLoadFromThreadOffset(art::Thread::ThreadFlagsOffset().Int32Value(),
-                                              irb_.getInt16Ty(),
-                                              kTBAARuntimeInfo);
-  llvm::Value* flags_set = irb_.CreateICmpNE(flags, irb_.getInt16(0));
-  irb_.CreateCondBr(flags_set, block_flags, block_cont, kUnlikely);
-
-  irb_.SetInsertPoint(block_flags);
-  llvm::Value* exception_pending = irb_.CreateAnd(flags, irb_.getInt16(art::kExceptionPending));
-  llvm::Value* exception_set = irb_.CreateICmpNE(exception_pending, irb_.getInt16(0));
 
   if (lpad) {
-    irb_.CreateCondBr(exception_set, lpad, block_suspend, kLikely);
+    irb_.CreateCondBr(exception_pending, lpad, block_cont, kUnlikely);
   } else {
-    irb_.CreateCondBr(exception_set, GetUnwindBasicBlock(), block_suspend, kLikely);
+    irb_.CreateCondBr(exception_pending, GetUnwindBasicBlock(), block_cont, kUnlikely);
   }
 
-  irb_.SetInsertPoint(block_suspend);
-  if (dex_pc != art::DexFile::kDexNoIndex) {
-    EmitUpdateDexPC(dex_pc);
-  }
-  irb_.Runtime().EmitTestSuspend();
-  irb_.CreateBr(block_cont);
-
   irb_.SetInsertPoint(block_cont);
 }