Clean up after introducing `HRol`.

Clean up after
    https://android-review.googlesource.com/3262277 .

Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Change-Id: I11d3b2ffd2305a841fa44345b7d2bd09de21b42d

1 files changed, 0 insertions, 16 deletions

diff --git a/compiler/optimizing/instruction_simplifier_x86.cc b/compiler/optimizing/instruction_simplifier_x86.cc
index e1c783e5b8..9b5fb52509 100644
--- a/compiler/optimizing/instruction_simplifier_x86.cc
+++ b/compiler/optimizing/instruction_simplifier_x86.cc
@@ -48,7 +48,6 @@ class InstructionSimplifierX86Visitor final : public HGraphVisitor {
   }
 
   void VisitAnd(HAnd * instruction) override;
-  void VisitRol(HRol* instruction) override;
   void VisitXor(HXor* instruction) override;
 
  private:
@@ -71,21 +70,6 @@ void InstructionSimplifierX86Visitor::VisitAnd(HAnd* instruction) {
   }
 }
 
-void InstructionSimplifierX86Visitor::VisitRol(HRol* rol) {
-  if (rol->GetType() != DataType::Type::kInt64) {
-    return;
-  }
-
-  HBasicBlock* block = rol->GetBlock();
-  HGraph* graph = block->GetGraph();
-  ArenaAllocator* allocator = graph->GetAllocator();
-
-  HNeg* neg = new (allocator) HNeg(DataType::Type::kInt32, rol->GetRight());
-  block->InsertInstructionBefore(neg, rol);
-  HRor* ror = new (allocator) HRor(rol->GetType(), rol->GetLeft(), neg);
-  block->ReplaceAndRemoveInstructionWith(rol, ror);
-}
-
 void InstructionSimplifierX86Visitor::VisitXor(HXor* instruction) {
   if (!HasAVX2()) {
     return;