Revert "riscv64: Add node Rol, fix InstructionBuilder"

This reverts commit 39927bc359ccbe65371213c4559126b05dcfb117.

Reason for revert: Failure on bot with:

error: Statement could not be matched starting from line 1089612
TestRotate.java:95: rol {{a\d+}}, {{a\d+}}, {{a\d+}}
ISA_FEATURES      = {'rv64gcv_zba_zbb_zbs': True}
READ_BARRIER_TYPE = baker
567-checker-builder-intrinsics FAILED: [run-test:1074] CFG checker failed
$ ssh -q -F /b/s/w/ir/cache/builder/art/test/testrunner/ssh_config -p 10001 ubuntu@localhost "rm -rf /home/ubuntu/art-test-chroot/data/run-test/test-343039"
567-checker-builder-intrinsics files deleted from host and from target

----------
test-art-target-run-test-ndebug-prebuild-optimizing-no-relocate-ntrace-cms-checkjni-picimage-ndebuggable-no-jvmti-567-checker-builder-intrinsics64

Change-Id: Ic1fd87c331c9eba315af6c98c3ad393766327417

1 files changed, 0 insertions, 19 deletions

diff --git a/compiler/optimizing/instruction_simplifier_shared.cc b/compiler/optimizing/instruction_simplifier_shared.cc
index 7f575c0348..b7d76da548 100644
--- a/compiler/optimizing/instruction_simplifier_shared.cc
+++ b/compiler/optimizing/instruction_simplifier_shared.cc
@@ -316,23 +316,4 @@ bool TryReplaceSubSubWithSubAdd(HSub* last_sub) {
   }
 }
 
-void UnfoldRotateLeft(HRol* rol) {
-  HBasicBlock* block = rol->GetBlock();
-  HGraph* graph = block->GetGraph();
-  ArenaAllocator* allocator = graph->GetAllocator();
-  HRor* ror;
-
-  if (rol->GetRight()->IsConstant()) {
-    int32_t value = rol->GetRight()->AsIntConstant()->GetValue();
-    HIntConstant* negated = graph->GetIntConstant(-value);
-    ror = new (allocator) HRor(rol->GetType(), rol->GetLeft(), negated);
-  } else {
-    HNeg* neg = new (allocator) HNeg(DataType::Type::kInt32, rol->GetRight());
-    block->InsertInstructionBefore(neg, rol);
-    ror = new (allocator) HRor(rol->GetType(), rol->GetLeft(), neg);
-  }
-
-  block->ReplaceAndRemoveInstructionWith(rol, ror);
-}
-
 }  // namespace art