Remove some variables that are never really used

(gcc-4.6 warns about these).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117021 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index 2030f174fe3f4f08a4227d254a15bb3f2c0d29b9..f4cca259c9aa8b23698246035434692637848752 100644 (file)
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -1351,7 +1351,6 @@ TwoAddressInstructionPass::CoalesceExtSubRegs(SmallVector<unsigned,4> &Srcs,
       continue;
 
     // Insert a copy to replace the original.
-    MachineBasicBlock::iterator InsertLoc = SomeMI;
     MachineInstr *CopyMI = BuildMI(*SomeMI->getParent(), SomeMI,
                                    SomeMI->getDebugLoc(),
                                    TII->get(TargetOpcode::COPY))

diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 06fececdc367fd7ca5e5f501c494113176637e4e..0df9fa2df5cd942e87bab4da7d64b55027641084 100644 (file)
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2144,7 +2144,6 @@ CalculateParameterAndLinkageAreaSize(SelectionDAG &DAG,
   // 16-byte aligned.
   nAltivecParamsAtEnd = 0;
   for (unsigned i = 0; i != NumOps; ++i) {
-    SDValue Arg = OutVals[i];
     ISD::ArgFlagsTy Flags = Outs[i].Flags;
     EVT ArgVT = Outs[i].VT;
     // Varargs Altivec parameters are padded to a 16 byte boundary.

diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index a3bc746197f3c9add65cab7a60367c4de484e1b0..05f0428db5639a3b4336b591009b3edcfe38f9e8 100644 (file)
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -1306,7 +1306,6 @@ void FPS::handleCondMovFP(MachineBasicBlock::iterator &I) {
 ///
 void FPS::handleSpecialFP(MachineBasicBlock::iterator &I) {
   MachineInstr *MI = I;
-  DebugLoc dl = MI->getDebugLoc();
   switch (MI->getOpcode()) {
   default: llvm_unreachable("Unknown SpecialFP instruction!");
   case X86::FpGET_ST0_32:// Appears immediately after a call returning FP type!