Switch over to using ARMConstantPoolConstant for global variables, functions,
and block addresses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140936 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMCodeEmitter.cpp b/lib/Target/ARM/ARMCodeEmitter.cpp
index 7473c9b..1b9368d 100644
--- a/lib/Target/ARM/ARMCodeEmitter.cpp
+++ b/lib/Target/ARM/ARMCodeEmitter.cpp
@@ -636,7 +636,7 @@
           << (void*)MCE.getCurrentPCValue() << " " << *ACPV << '\n');
 
     assert(ACPV->isGlobalValue() && "unsupported constant pool value");
-    const GlobalValue *GV = ACPV->getGV();
+    const GlobalValue *GV = cast<ARMConstantPoolConstant>(ACPV)->getGV();
     if (GV) {
       Reloc::Model RelocM = TM.getRelocationModel();
       emitGlobalAddress(GV, ARM::reloc_arm_machine_cp_entry,