[llvm] r332807 - Fix MSVC unused variable warning. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sat May 19 05:46:02 2018
New Revision: 332807

URL: http://llvm.org/viewvc/llvm-project?rev=332807&view=rev
Log:
Fix MSVC unused variable warning. NFCI.

AMDGPURegisterInfo::getSubRegFromChannel is a static method - we don't need to get the AMDGPURegisterInfo instance.

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp?rev=332807&r1=332806&r2=332807&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUISelDAGToDAG.cpp Sat May 19 05:46:02 2018
@@ -393,7 +393,6 @@ void AMDGPUDAGToDAGISel::SelectBuildVect
   EVT VT = N->getValueType(0);
   unsigned NumVectorElts = VT.getVectorNumElements();
   EVT EltVT = VT.getVectorElementType();
-  const AMDGPURegisterInfo *TRI = Subtarget->getRegisterInfo();
   SDLoc DL(N);
   SDValue RegClass = CurDAG->getTargetConstant(RegClassID, DL, MVT::i32);
 
@@ -419,10 +418,9 @@ void AMDGPUDAGToDAGISel::SelectBuildVect
       IsRegSeq = false;
       break;
     }
+    unsigned Sub = AMDGPURegisterInfo::getSubRegFromChannel(i);
     RegSeqArgs[1 + (2 * i)] = N->getOperand(i);
-    RegSeqArgs[1 + (2 * i) + 1] =
-            CurDAG->getTargetConstant(TRI->getSubRegFromChannel(i), DL,
-                                      MVT::i32);
+    RegSeqArgs[1 + (2 * i) + 1] = CurDAG->getTargetConstant(Sub, DL, MVT::i32);
   }
   if (NOps != NumVectorElts) {
     // Fill in the missing undef elements if this was a scalar_to_vector.
@@ -430,9 +428,10 @@ void AMDGPUDAGToDAGISel::SelectBuildVect
     MachineSDNode *ImpDef = CurDAG->getMachineNode(TargetOpcode::IMPLICIT_DEF,
                                                    DL, EltVT);
     for (unsigned i = NOps; i < NumVectorElts; ++i) {
+      unsigned Sub = AMDGPURegisterInfo::getSubRegFromChannel(i);
       RegSeqArgs[1 + (2 * i)] = SDValue(ImpDef, 0);
       RegSeqArgs[1 + (2 * i) + 1] =
-        CurDAG->getTargetConstant(TRI->getSubRegFromChannel(i), DL, MVT::i32);
+          CurDAG->getTargetConstant(Sub, DL, MVT::i32);
     }
   }