Silence a bunch (but not all) "variable written but not read" warnings

when building with assertions disabled.

llvm-svn: 137460

6 files changed, 9 insertions, 6 deletions

diff --git a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
index fe7e45f9143..d888c1da064 100644
--- a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.cpp
@@ -1130,6 +1130,7 @@ ARMBaseRegisterInfo::resolveFrameIndex(MachineBasicBlock::iterator I,
     Done = rewriteT2FrameIndex(MI, i, BaseReg, Off, TII);
   }
   assert (Done && "Unable to resolve frame index!");
+  (void)Done;
 }
 
 bool ARMBaseRegisterInfo::isFrameOffsetLegal(const MachineInstr *MI,
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index 4f18ce37d0d..abec1aa50ef 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -2983,8 +2983,8 @@ static SDValue LowerVectorINT_TO_FP(SDValue Op, SelectionDAG &DAG) {
   EVT VT = Op.getValueType();
   DebugLoc dl = Op.getDebugLoc();
 
-  EVT OperandVT = Op.getOperand(0).getValueType();
-  assert(OperandVT == MVT::v4i16 && "Invalid type for custom lowering!");
+  assert(Op.getOperand(0).getValueType() == MVT::v4i16 &&
+         "Invalid type for custom lowering!");
   if (VT != MVT::v4f32)
     return DAG.UnrollVectorOp(Op.getNode());
 
diff --git a/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp b/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp
index cb7d5b6c7d2..107c86be70f 100644
--- a/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp
+++ b/llvm/lib/Target/ARM/Thumb1RegisterInfo.cpp
@@ -544,9 +544,9 @@ Thumb1RegisterInfo::resolveFrameIndex(MachineBasicBlock::iterator I,
     ++i;
     assert(i < MI.getNumOperands() && "Instr doesn't have FrameIndex operand!");
   }
-  bool Done = false;
-  Done = rewriteFrameIndex(MI, i, BaseReg, Off, TII);
+  bool Done = rewriteFrameIndex(MI, i, BaseReg, Off, TII);
   assert (Done && "Unable to resolve frame index!");
+  (void)Done;
 }
 
 /// saveScavengerRegister - Spill the register so it can be used by the
diff --git a/llvm/lib/Target/CellSPU/SPUISelLowering.cpp b/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
index 59337bceff5..1a081e9e6d7 100644
--- a/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/llvm/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -2728,6 +2728,7 @@ static SDValue LowerSIGN_EXTEND(SDValue Op, SelectionDAG &DAG)
   // the type to extend from needs to be i64 or i32.
   assert((OpVT == MVT::i128 && (Op0VT == MVT::i64 || Op0VT == MVT::i32)) &&
           "LowerSIGN_EXTEND: input and/or output operand have wrong size");
+  (void)OpVT;
 
   // Create shuffle mask
   unsigned mask1 = 0x10101010; // byte 0 - 3 and 4 - 7
diff --git a/llvm/lib/Target/PTX/PTXISelLowering.cpp b/llvm/lib/Target/PTX/PTXISelLowering.cpp
index d52aa2a01ad..0961901c5f6 100644
--- a/llvm/lib/Target/PTX/PTXISelLowering.cpp
+++ b/llvm/lib/Target/PTX/PTXISelLowering.cpp
@@ -361,9 +361,9 @@ PTXTargetLowering::LowerCall(SDValue Chain, SDValue Callee,
 
   MachineFunction& MF = DAG.getMachineFunction();
   PTXMachineFunctionInfo *MFI = MF.getInfo<PTXMachineFunctionInfo>();
-  const PTXSubtarget& ST = getTargetMachine().getSubtarget<PTXSubtarget>();
 
-  assert(ST.callsAreHandled() && "Calls are not handled for the target device");
+  assert(getTargetMachine().getSubtarget<PTXSubtarget>().callsAreHandled() &&
+         "Calls are not handled for the target device");
 
   // Is there a more "LLVM"-way to create a variable-length array of values?
   SDValue* ops = new SDValue[OutVals.size() + 2];
diff --git a/llvm/lib/Target/X86/X86FloatingPoint.cpp b/llvm/lib/Target/X86/X86FloatingPoint.cpp
index a9b6fdd1408..e3461c82c7a 100644
--- a/llvm/lib/Target/X86/X86FloatingPoint.cpp
+++ b/llvm/lib/Target/X86/X86FloatingPoint.cpp
@@ -480,6 +480,7 @@ bool FPS::processBasicBlock(MachineFunction &MF, MachineBasicBlock &BB) {
       }
       dumpStack();
     );
+    (void)PrevMI;
 
     Changed = true;
   }