diff --git a/src/ccall.cpp b/src/ccall.cpp
index 00c36f782cffe..aa860d2a154e9 100644
--- a/src/ccall.cpp
+++ b/src/ccall.cpp
@@ -164,7 +164,7 @@ static Value *runtime_sym_lookup(PointerType *funcptype, char *f_lib, char *f_na
             libsym = get_library(f_lib);
             assert(libsym != NULL);
 #ifdef USE_MCJIT
-            llvm_to_jl_value[libptrgv] = libsym;
+            jl_llvm_to_jl_value[libptrgv] = libsym;
 #else
             *((uv_lib_t**)jl_ExecutionEngine->getPointerToGlobal(libptrgv)) = libsym;
 #endif
@@ -172,7 +172,7 @@ static Value *runtime_sym_lookup(PointerType *funcptype, char *f_lib, char *f_na
     }
     if (libsym == NULL) {
 #ifdef USE_MCJIT
-        libsym = (uv_lib_t*)llvm_to_jl_value[libptrgv];
+        libsym = (uv_lib_t*)jl_llvm_to_jl_value[libptrgv];
 #else
         libsym = *((uv_lib_t**)jl_ExecutionEngine->getPointerToGlobal(libptrgv));
 #endif
@@ -191,7 +191,7 @@ static Value *runtime_sym_lookup(PointerType *funcptype, char *f_lib, char *f_na
            initnul, name);
         symMapGV[f_name] = llvmgv;
 #ifdef USE_MCJIT
-        llvm_to_jl_value[llvmgv] = jl_dlsym_e(libsym, f_name);
+        jl_llvm_to_jl_value[llvmgv] = jl_dlsym_e(libsym, f_name);
 #else
         *((void**)jl_ExecutionEngine->getPointerToGlobal(llvmgv)) = jl_dlsym_e(libsym, f_name);
 #endif
diff --git a/src/cgutils.cpp b/src/cgutils.cpp
index 1b13747c312b7..99dcc92a89536 100644
--- a/src/cgutils.cpp
+++ b/src/cgutils.cpp
@@ -154,7 +154,7 @@ static GlobalVariable *stringConst(const std::string &txt)
 
 typedef struct {Value* gv; int32_t index;} jl_value_llvm; // uses 1-based indexing
 static std::map<void*, jl_value_llvm> jl_value_to_llvm;
-DLLEXPORT std::map<Value *, void*> llvm_to_jl_value;
+DLLEXPORT std::map<Value *, void*> jl_llvm_to_jl_value;
 
 #ifdef USE_MCJIT
 class FunctionMover : public ValueMaterializer
@@ -277,8 +277,8 @@ class FunctionMover : public ValueMaterializer
                 }
             }
             std::map<Value*, void *>::iterator it;
-            it = llvm_to_jl_value.find(GV);
-            if (it != llvm_to_jl_value.end()) {
+            it = jl_llvm_to_jl_value.find(GV);
+            if (it != jl_llvm_to_jl_value.end()) {
                 newGV->setInitializer(Constant::getIntegerValue(GV->getType()->getElementType(),APInt(sizeof(void*)*8,(ptrint_t)it->second)));
                 newGV->setConstant(true);
             }
@@ -444,7 +444,7 @@ static Value *julia_gv(const char *cname, void *addr)
 
     // make the pointer valid for this session
 #ifdef USE_MCJIT
-    llvm_to_jl_value[gv] = addr;
+    jl_llvm_to_jl_value[gv] = addr;
 #else
     void **p = (void**)jl_ExecutionEngine->getPointerToGlobal(gv);
     *p = addr;
diff --git a/src/julia.expmap b/src/julia.expmap
index 6cde7bbaea908..d19ac301b103c 100644
--- a/src/julia.expmap
+++ b/src/julia.expmap
@@ -32,7 +32,7 @@
     utf8proc_*;
     jlbacktrace;
     _IO_stdin_used;
-    llvm_to_jl_value;
+    __ZN4llvm23createLowerSimdLoopPassEv;
 
     /* freebsd */
     environ;
diff --git a/src/llvm-simdloop.cpp b/src/llvm-simdloop.cpp
index d3dd2178c8eec..3ec3cb5ea8a18 100644
--- a/src/llvm-simdloop.cpp
+++ b/src/llvm-simdloop.cpp
@@ -8,6 +8,7 @@
 //     createLowerSimdLoopPass: construct LLVM for lowering a marked loop later.
 
 #include "llvm-version.h"
+#include "support/dtypes.h"
 #include <llvm/Analysis/LoopPass.h>
 #include <llvm/IR/Instructions.h>
 #include <llvm/IR/LLVMContext.h>
@@ -193,7 +194,7 @@ static RegisterPass<LowerSIMDLoop> X("LowerSIMDLoop", "LowerSIMDLoop Pass",
                                      false /* Only looks at CFG */,
                                      false /* Analysis Pass */);
 
-Pass* createLowerSimdLoopPass() {
+DLLEXPORT Pass* createLowerSimdLoopPass() {
     return new LowerSIMDLoop();
 }