Update LLVM for merge to r180947.

Change-Id: Ic9e7daa7ef3789298c49a7b308af92115f5d682d
diff --git a/shared_llvm.mk b/shared_llvm.mk
index 2ca7616..3fac2f5 100644
--- a/shared_llvm.mk
+++ b/shared_llvm.mk
@@ -6,6 +6,7 @@
 llvm_pre_static_libraries := \
   libLLVMLinker \
   libLLVMipo \
+  libLLVMIRReader \
   libLLVMBitWriter \
   libLLVMBitReader