[llvm] r269260 - [AArch64] Remove floating-point narrow stores from getUsefulBitsForUse.

[Chad Rosier via llvm-commits]

Author: mcrosier
Date: Wed May 11 20:04:15 2016
New Revision: 269260

URL: http://llvm.org/viewvc/llvm-project?rev=269260&view=rev
Log:
[AArch64] Remove floating-point narrow stores from getUsefulBitsForUse.

While not impossible, it's unlikely we'd be performing bitwise operations on FP
values.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp?rev=269260&r1=269259&r2=269260&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp Wed May 11 20:04:15 2016
@@ -1850,14 +1850,12 @@ static void getUsefulBitsForUse(SDNode *
   case AArch64::BFMXri:
     return getUsefulBitsFromBFM(SDValue(UserNode, 0), Orig, UsefulBits, Depth);
 
-  case AArch64::STRBui:
   case AArch64::STRBBui:
     if (UserNode->getOperand(0) != Orig)
       return;
     UsefulBits &= APInt(UsefulBits.getBitWidth(), 0xff);
     return;
 
-  case AArch64::STRHui:
   case AArch64::STRHHui:
     if (UserNode->getOperand(0) != Orig)
       return;