commit 4d6ccb5f68cd7c6418a209f1fa4dbade569e4493
author David Blaikie <dblaikie@gmail.com> Fri Jan 20 21:51:11 2012 +0000
committer David Blaikie <dblaikie@gmail.com> Fri Jan 20 21:51:11 2012 +0000
tree 9a48fa9f7f51fd635f6807ed7444fcdcad0e9bda
parent 0041d4d447c26825e566ba38a4fe301471fda1eb

More dead code removal (using -Wunreachable-code)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index dcd96ae..169daf6 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -2909,7 +2909,6 @@
   case X86ISD::VPERM2X128:
     return true;
   }
-  return false;
 }
 
 static SDValue getTargetShuffleNode(unsigned Opc, DebugLoc dl, EVT VT,
@@ -2921,8 +2920,6 @@
   case X86ISD::MOVDDUP:
     return DAG.getNode(Opc, dl, VT, V1);
   }
-
-  return SDValue();
 }
 
 static SDValue getTargetShuffleNode(unsigned Opc, DebugLoc dl, EVT VT,
@@ -2935,8 +2932,6 @@
   case X86ISD::VPERMILP:
     return DAG.getNode(Opc, dl, VT, V1, DAG.getConstant(TargetMask, MVT::i8));
   }
-
-  return SDValue();
 }
 
 static SDValue getTargetShuffleNode(unsigned Opc, DebugLoc dl, EVT VT,
@@ -2949,7 +2944,6 @@
     return DAG.getNode(Opc, dl, VT, V1, V2,
                        DAG.getConstant(TargetMask, MVT::i8));
   }
-  return SDValue();
 }
 
 static SDValue getTargetShuffleNode(unsigned Opc, DebugLoc dl, EVT VT,
@@ -2967,7 +2961,6 @@
   case X86ISD::UNPCKH:
     return DAG.getNode(Opc, dl, VT, V1, V2);
   }
-  return SDValue();
 }
 
 SDValue X86TargetLowering::getReturnAddressFrameIndex(SelectionDAG &DAG) const {
@@ -7439,11 +7432,7 @@
                               Chain.getValue(1));
   }
 
-  assert(false &&
-         "TLS not implemented for this target.");
-
-  llvm_unreachable("Unreachable");
-  return SDValue();
+  llvm_unreachable("TLS not implemented for this target.");
 }
 
 
@@ -13501,7 +13490,6 @@
   switch (N->getOpcode()) {
   default:
     llvm_unreachable("Unknown shift opcode!");
-    break;
   case ISD::SHL:
     if (VT == MVT::v2i64)
       return DAG.getNode(ISD::INTRINSIC_WO_CHAIN, DL, VT,