vendor/llvm/llvm-trunk-r366426

1 files changed, 11 insertions, 4 deletions

diff --git a/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
index aa80365feb83..d0a3af375a6d 100644
--- a/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
+++ b/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
@@ -1,9 +1,8 @@
 //===-- RISCVISelDAGToDAG.cpp - A dag to dag inst selector for RISCV ------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -156,7 +155,15 @@ void RISCVDAGToDAGISel::Select(SDNode *Node) {
         return;
       }
     }
+    break;
   }
+  case RISCVISD::READ_CYCLE_WIDE:
+    assert(!Subtarget->is64Bit() && "READ_CYCLE_WIDE is only used on riscv32");
+
+    ReplaceNode(Node, CurDAG->getMachineNode(RISCV::ReadCycleWide, DL, MVT::i32,
+                                             MVT::i32, MVT::Other,
+                                             Node->getOperand(0)));
+    return;
   }
 
   // Select the default instruction.