From 955ed73d12f2b186ef3f80da872b702cd7f2895b Mon Sep 17 00:00:00 2001
From: Jeffrey Yasskin <jyasskin@google.com>
Date: Tue, 18 Jan 2011 00:51:23 +0000
Subject: [PATCH] Remove unused variables found by gcc-4.6's
 -Wunused-but-set-variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123707 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp | 1 -
 lib/Target/ARM/ARMFastISel.cpp                    | 4 ----
 lib/Target/ARM/ARMFrameLowering.cpp               | 2 --
 lib/Target/CellSPU/SPUISelLowering.cpp            | 9 ---------
 lib/Target/PowerPC/PPCISelLowering.cpp            | 1 -
 5 files changed, 17 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index 2969eff04f7..0c813834bf1 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -1030,7 +1030,6 @@ void DAGTypeLegalizer::ExpandIntegerResult(SDNode *N, unsigned ResNo) {
   case ISD::ATOMIC_LOAD_UMIN:
   case ISD::ATOMIC_LOAD_UMAX:
   case ISD::ATOMIC_SWAP: {
-    SDValue Ch = N->getOperand(0);
     std::pair<SDValue, SDValue> Tmp = ExpandAtomic(N);
     SplitInteger(Tmp.first, Lo, Hi);
     ReplaceValueWith(SDValue(N, 1), Tmp.second);
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index b9d6fc6ff3d..f05eded575a 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -1017,21 +1017,17 @@ bool ARMFastISel::SelectBranch(const Instruction *I) {
         return false;
 
       unsigned CmpOpc;
-      unsigned CondReg;
       switch (VT.SimpleTy) {
         default: return false;
         // TODO: Verify compares.
         case MVT::f32:
           CmpOpc = ARM::VCMPES;
-          CondReg = ARM::FPSCR;
           break;
         case MVT::f64:
           CmpOpc = ARM::VCMPED;
-          CondReg = ARM::FPSCR;
           break;
         case MVT::i32:
           CmpOpc = isThumb ? ARM::t2CMPrr : ARM::CMPrr;
-          CondReg = ARM::CPSR;
           break;
       }
 
diff --git a/lib/Target/ARM/ARMFrameLowering.cpp b/lib/Target/ARM/ARMFrameLowering.cpp
index 0b514da341f..c2739f6d6d5 100644
--- a/lib/Target/ARM/ARMFrameLowering.cpp
+++ b/lib/Target/ARM/ARMFrameLowering.cpp
@@ -655,7 +655,6 @@ bool ARMFrameLowering::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
 
   MachineFunction &MF = *MBB.getParent();
   ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
-  DebugLoc DL = MI->getDebugLoc();
 
   unsigned PushOpc = AFI->isThumbFunction() ? ARM::t2STMDB_UPD : ARM::STMDB_UPD;
   unsigned PushOneOpc = AFI->isThumbFunction() ? ARM::t2STR_PRE : ARM::STR_PRE;
@@ -677,7 +676,6 @@ bool ARMFrameLowering::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
   MachineFunction &MF = *MBB.getParent();
   ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
   bool isVarArg = AFI->getVarArgsRegSaveSize() > 0;
-  DebugLoc DL = MI->getDebugLoc();
 
   unsigned PopOpc = AFI->isThumbFunction() ? ARM::t2LDMIA_UPD : ARM::LDMIA_UPD;
   unsigned LdrOpc = AFI->isThumbFunction() ? ARM::t2LDR_POST : ARM::LDR_POST;
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 43dcfdca6bc..36c8bd56846 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -682,10 +682,6 @@ LowerLOAD(SDValue Op, SelectionDAG &DAG, const SPUSubtarget *ST) {
     // storage position offset from lower 16 byte aligned memory chunk
     SDValue offset = DAG.getNode(ISD::AND, dl, MVT::i32,
                                   basePtr, DAG.getConstant( 0xf, MVT::i32 ) );
-    // 16 - offset
-    SDValue offset_compl = DAG.getNode(ISD::SUB, dl, MVT::i32,
-                                        DAG.getConstant( 16, MVT::i32),
-                                        offset );
     // get a registerfull of ones. (this implementation is a workaround: LLVM
     // cannot handle 128 bit signed int constants)
     SDValue ones = DAG.getConstant(-1, MVT::v4i32 );
@@ -910,10 +906,6 @@ LowerSTORE(SDValue Op, SelectionDAG &DAG, const SPUSubtarget *ST) {
     SDValue offset_compl = DAG.getNode(ISD::SUB, dl, MVT::i32,
                                            DAG.getConstant( 16, MVT::i32),
                                            offset);
-    SDValue hi_shift = DAG.getNode(ISD::SUB, dl, MVT::i32,
-                                      DAG.getConstant( VT.getSizeInBits()/8,
-                                                       MVT::i32),
-                                      offset_compl);
     // 16 - sizeof(Value)
     SDValue surplus = DAG.getNode(ISD::SUB, dl, MVT::i32,
                                      DAG.getConstant( 16, MVT::i32),
@@ -3259,4 +3251,3 @@ SPUTargetLowering::isLegalAddressingMode(const AddrMode &AM,
 
   return false;
 }
-
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 9674e533162..d8088d20e61 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1176,7 +1176,6 @@ SDValue PPCTargetLowering::LowerJumpTable(SDValue Op, SelectionDAG &DAG) const {
 SDValue PPCTargetLowering::LowerBlockAddress(SDValue Op,
                                              SelectionDAG &DAG) const {
   EVT PtrVT = Op.getValueType();
-  DebugLoc DL = Op.getDebugLoc();
 
   const BlockAddress *BA = cast<BlockAddressSDNode>(Op)->getBlockAddress();
 
-- 
2.34.1