Add const qualifiers to CodeGen's use of LLVM IR constructs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101334 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/SystemZ/SystemZInstrBuilder.h b/lib/Target/SystemZ/SystemZInstrBuilder.h
index b69d2f6..fa87061 100644
--- a/lib/Target/SystemZ/SystemZInstrBuilder.h
+++ b/lib/Target/SystemZ/SystemZInstrBuilder.h
@@ -44,7 +44,7 @@
 
   unsigned IndexReg;
   int32_t Disp;
-  GlobalValue *GV;
+  const GlobalValue *GV;
 
   SystemZAddressMode() : BaseType(RegBase), IndexReg(0), Disp(0) {
     Base.Reg = 0;