[x86] Fix unused variable warning in no-asserts build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213989 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86MCInstLower.cpp b/lib/Target/X86/X86MCInstLower.cpp
index 9fa171ce4d512a1830af37ec10e2d780735dd8ff..febf821e13d358c64079d15db3271bc0d4038be5 100644 (file)
--- a/lib/Target/X86/X86MCInstLower.cpp
+++ b/lib/Target/X86/X86MCInstLower.cpp
@@ -1000,6 +1000,7 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
       const MachineConstantPoolEntry &MaskConstantEntry =
           Constants[MI->getOperand(5).getIndex()];
       Type *MaskTy = MaskConstantEntry.getType();
+      (void)MaskTy;
       if (!MaskConstantEntry.isMachineConstantPoolEntry())
         if (auto *C = dyn_cast<ConstantDataSequential>(
                 MaskConstantEntry.Val.ConstVal)) {