[SPIRV][NFC] Remove unused variable

This removes an unused local variable that was causing a warning to be
emitted.

diff --git a/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.cpp b/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.cpp
index 07633ce..f1d9386 100644 (file)
--- a/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.cpp
@@ -311,7 +311,6 @@ SPIRVType *SPIRVGlobalRegistry::getSPIRVTypeForVReg(Register VReg) const {
 SPIRVType *SPIRVGlobalRegistry::getOrCreateSPIRVType(
     const Type *Type, MachineIRBuilder &MIRBuilder,
     SPIRV::AccessQualifier AccessQual, bool EmitIR) {
-  Register Reg;
   SPIRVType *SpirvType = createSPIRVType(Type, MIRBuilder, AccessQual, EmitIR);
   VRegToTypeMap[&MIRBuilder.getMF()][getSPIRVTypeID(SpirvType)] = SpirvType;
   SPIRVToLLVMType[SpirvType] = Type;