Add one more argument to the prefetch intrinsic to indicate whether it's a data

[oota-llvm.git] / lib / Target / ARM / ARMISelLowering.cpp

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 339c85886aea5f55861eb8a84d382b6565bc194f..b012b501f92fd3a80f3bd456f0cace39b715eaff 100644 (file)
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -2281,12 +2281,13 @@ static SDValue LowerPREFETCH(SDValue Op, SelectionDAG &DAG,
     // ARMv7 with MP extension has PLDW.
     return Op.getOperand(0);
 
-  if (Subtarget->isThumb())
+  unsigned isData = cast<ConstantSDNode>(Op.getOperand(4))->getZExtValue();
+  if (Subtarget->isThumb()) {
     // Invert the bits.
     isRead = ~isRead & 1;
-  unsigned isData = Subtarget->isThumb() ? 0 : 1;
+    isData = ~isData & 1;
+  }
 
-  // Currently there is no intrinsic that matches pli.
   return DAG.getNode(ARMISD::PRELOAD, dl, MVT::Other, Op.getOperand(0),
                      Op.getOperand(1), DAG.getConstant(isRead, MVT::i32),
                      DAG.getConstant(isData, MVT::i32));