Revert 161581: Patch to implement UMLAL/SMLAL instructions for the ARM

architecture

It broke MultiSource/Applications/JM/ldecod/ldecod on armv7 thumb O0 g and armv7
thumb O3.

llvm-svn: 161736

1 files changed, 0 insertions, 32 deletions

diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 7e8937587be..ee349a753fe 100644
--- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -2747,38 +2747,6 @@ SDNode *ARMDAGToDAGISel::Select(SDNode *N) {
                                     dl, MVT::i32, MVT::i32, Ops, 5);
     }
   }
-  case ARMISD::UMLAL:{
-    if (Subtarget->isThumb()) {
-      SDValue Ops[] = { N->getOperand(0), N->getOperand(1), N->getOperand(2),
-                        N->getOperand(3), getAL(CurDAG),
-                        CurDAG->getRegister(0, MVT::i32)};
-      return CurDAG->getMachineNode(ARM::t2UMLAL, dl, MVT::i32, MVT::i32, Ops, 6);
-    }else{
-      SDValue Ops[] = { N->getOperand(0), N->getOperand(1), N->getOperand(2),
-                        N->getOperand(3), getAL(CurDAG),
-                        CurDAG->getRegister(0, MVT::i32),
-                        CurDAG->getRegister(0, MVT::i32) };
-      return CurDAG->getMachineNode(Subtarget->hasV6Ops() ?
-                                      ARM::UMLAL : ARM::UMLALv5,
-                                      dl, MVT::i32, MVT::i32, Ops, 7);
-    }
-  }
-  case ARMISD::SMLAL:{
-    if (Subtarget->isThumb()) {
-      SDValue Ops[] = { N->getOperand(0), N->getOperand(1), N->getOperand(2),
-                        N->getOperand(3), getAL(CurDAG),
-                        CurDAG->getRegister(0, MVT::i32)};
-      return CurDAG->getMachineNode(ARM::t2SMLAL, dl, MVT::i32, MVT::i32, Ops, 6);
-    }else{
-      SDValue Ops[] = { N->getOperand(0), N->getOperand(1), N->getOperand(2),
-                        N->getOperand(3), getAL(CurDAG),
-                        CurDAG->getRegister(0, MVT::i32),
-                        CurDAG->getRegister(0, MVT::i32) };
-      return CurDAG->getMachineNode(Subtarget->hasV6Ops() ?
-                                      ARM::SMLAL : ARM::SMLALv5,
-                                      dl, MVT::i32, MVT::i32, Ops, 7);
-    }
-  }
   case ISD::LOAD: {
     SDNode *ResNode = 0;
     if (Subtarget->isThumb() && Subtarget->hasThumb2())