ART: Remove LLVM cruft

Change-Id: I133ebed6101bf12a0642ed71e13f332c0c4f14e7
diff --git a/compiler/dex/mir_graph.cc b/compiler/dex/mir_graph.cc
index 58f12c9..4d34038 100644
--- a/compiler/dex/mir_graph.cc
+++ b/compiler/dex/mir_graph.cc
@@ -1609,8 +1609,8 @@
 }
 
 std::string MIRGraph::GetSSAName(int ssa_reg) {
-  // TODO: This value is needed for LLVM and debugging. Currently, we compute this and then copy to
-  //       the arena. We should be smarter and just place straight into the arena, or compute the
+  // TODO: This value is needed for debugging. Currently, we compute this and then copy to the
+  //       arena. We should be smarter and just place straight into the arena, or compute the
   //       value more lazily.
   int vreg = SRegToVReg(ssa_reg);
   if (vreg >= static_cast<int>(GetFirstTempVR())) {
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index f6b217a..c2b8375 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -2370,44 +2370,6 @@
     SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
   return compiler_->WriteElf(file, oat_writer, dex_files, android_root, is_host);
 }
-void CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set,
-                                                std::string* target_triple,
-                                                std::string* target_cpu,
-                                                std::string* target_attr) {
-  switch (instruction_set) {
-    case kThumb2:
-      *target_triple = "thumb-none-linux-gnueabi";
-      *target_cpu = "cortex-a9";
-      *target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db";
-      break;
-
-    case kArm:
-      *target_triple = "armv7-none-linux-gnueabi";
-      // TODO: Fix for Nexus S.
-      *target_cpu = "cortex-a9";
-      // TODO: Fix for Xoom.
-      *target_attr = "+v7,+neon,+neonfp,+vfp3,+db";
-      break;
-
-    case kX86:
-      *target_triple = "i386-pc-linux-gnu";
-      *target_attr = "";
-      break;
-
-    case kX86_64:
-      *target_triple = "x86_64-pc-linux-gnu";
-      *target_attr = "";
-      break;
-
-    case kMips:
-      *target_triple = "mipsel-unknown-linux";
-      *target_attr = "mips32r2";
-      break;
-
-    default:
-      LOG(FATAL) << "Unknown instruction set: " << instruction_set;
-    }
-  }
 
 bool CompilerDriver::SkipCompilation(const std::string& method_name) {
   if (!profile_present_) {
diff --git a/compiler/driver/compiler_driver.h b/compiler/driver/compiler_driver.h
index edd1bd2..a6ed559 100644
--- a/compiler/driver/compiler_driver.h
+++ b/compiler/driver/compiler_driver.h
@@ -385,12 +385,6 @@
                 OatWriter* oat_writer,
                 File* file);
 
-  // TODO: move to a common home for llvm helpers once quick/portable are merged.
-  static void InstructionSetToLLVMTarget(InstructionSet instruction_set,
-                                         std::string* target_triple,
-                                         std::string* target_cpu,
-                                         std::string* target_attr);
-
   void SetCompilerContext(void* compiler_context) {
     compiler_context_ = compiler_context;
   }