Index: include/llvm-c/Support.h
===================================================================
--- include/llvm-c/Support.h
+++ include/llvm-c/Support.h
@@ -58,6 +58,24 @@
 void LLVMParseCommandLineOptions(int argc, const char *const *argv,
                                  const char *Overview);
 
+/**
+ * This function will search through all previously loaded dynamic
+ * libraries for the symbol \p symbolName. If it is found, the address of
+ * that symbol is returned. If not, null is returned.
+ *
+ * @see sys::DynamicLibrary::SearchForAddressOfSymbol()
+ */
+void *LLVMSearchForAddressOfSymbol(const char *symbolName);
+
+/**
+ * This functions permanently adds the symbol \p symbolName with the
+ * value \p symbolValue.  These symbols are searched before any
+ * libraries.
+ *
+ * @see sys::DynamicLibrary::AddSymbol()
+ */
+void LLVMAddSymbol(const char *symbolName, void *symbolValue);
+
 #ifdef __cplusplus
 }
 #endif
Index: include/llvm-c/Transforms/PassManagerBuilder.h
===================================================================
--- include/llvm-c/Transforms/PassManagerBuilder.h
+++ include/llvm-c/Transforms/PassManagerBuilder.h
@@ -38,21 +38,55 @@
 LLVMPassManagerBuilderSetOptLevel(LLVMPassManagerBuilderRef PMB,
                                   unsigned OptLevel);
 
+/** See llvm::PassManagerBuilder::OptLevel. */
+unsigned
+LLVMPassManagerBuilderGetOptLevel(LLVMPassManagerBuilderRef PMB);
+
 /** See llvm::PassManagerBuilder::SizeLevel. */
 void
 LLVMPassManagerBuilderSetSizeLevel(LLVMPassManagerBuilderRef PMB,
                                    unsigned SizeLevel);
 
+/** See llvm::PassManagerBuilder::SizeLevel. */
+unsigned
+LLVMPassManagerBuilderGetSizeLevel(LLVMPassManagerBuilderRef PMB);
+
 /** See llvm::PassManagerBuilder::DisableUnitAtATime. */
 void
 LLVMPassManagerBuilderSetDisableUnitAtATime(LLVMPassManagerBuilderRef PMB,
                                             LLVMBool Value);
 
+/** See llvm::PassManagerBuilder::DisableUnitAtATime. */
+LLVMBool
+LLVMPassManagerBuilderGetDisableUnitAtATime(LLVMPassManagerBuilderRef PMB);
+
 /** See llvm::PassManagerBuilder::DisableUnrollLoops. */
 void
 LLVMPassManagerBuilderSetDisableUnrollLoops(LLVMPassManagerBuilderRef PMB,
                                             LLVMBool Value);
 
+/** See llvm::PassManagerBuilder::DisableUnrollLoops. */
+LLVMBool
+LLVMPassManagerBuilderGetDisableUnrollLoops(LLVMPassManagerBuilderRef PMB);
+
+/** See llvm::PassManagerBuilder::LoopVectorize. */
+void
+LLVMPassManagerBuilderSetLoopVectorize(LLVMPassManagerBuilderRef PMB,
+                                       LLVMBool Value);
+
+/** See llvm::PassManagerBuilder::LoopVectorize. */
+LLVMBool
+LLVMPassManagerBuilderGetLoopVectorize(LLVMPassManagerBuilderRef PMB);
+
+/** See llvm::PassManagerBuilder::SLPVectorize. */
+void
+LLVMPassManagerBuilderSetSLPVectorize(LLVMPassManagerBuilderRef PMB,
+                                      LLVMBool Value);
+
+/** See llvm::PassManagerBuilder::SLPVectorize. */
+LLVMBool
+LLVMPassManagerBuilderGetSLPVectorize(LLVMPassManagerBuilderRef PMB);
+
 /** See llvm::PassManagerBuilder::DisableSimplifyLibCalls */
 void
 LLVMPassManagerBuilderSetDisableSimplifyLibCalls(LLVMPassManagerBuilderRef PMB,
Index: lib/Support/DynamicLibrary.cpp
===================================================================
--- lib/Support/DynamicLibrary.cpp
+++ lib/Support/DynamicLibrary.cpp
@@ -178,3 +178,12 @@
 LLVMBool LLVMLoadLibraryPermanently(const char* Filename) {
   return llvm::sys::DynamicLibrary::LoadLibraryPermanently(Filename);
 }
+
+void *LLVMSearchForAddressOfSymbol(const char *symbolName) {
+  return llvm::sys::DynamicLibrary::SearchForAddressOfSymbol(symbolName);
+}
+
+void LLVMAddSymbol(const char *symbolName, void *symbolValue) {
+  return llvm::sys::DynamicLibrary::AddSymbol(symbolName, symbolValue);
+}
+
Index: lib/Transforms/IPO/PassManagerBuilder.cpp
===================================================================
--- lib/Transforms/IPO/PassManagerBuilder.cpp
+++ lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -570,6 +570,13 @@
   Builder->OptLevel = OptLevel;
 }
 
+unsigned
+LLVMPassManagerBuilderGetOptLevel(LLVMPassManagerBuilderRef PMB)
+{
+  PassManagerBuilder *Builder = unwrap(PMB);
+  return Builder->OptLevel;
+}
+
 void
 LLVMPassManagerBuilderSetSizeLevel(LLVMPassManagerBuilderRef PMB,
                                    unsigned SizeLevel) {
@@ -577,6 +584,12 @@
   Builder->SizeLevel = SizeLevel;
 }
 
+unsigned
+LLVMPassManagerBuilderGetSizeLevel(LLVMPassManagerBuilderRef PMB) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  return Builder->SizeLevel;
+}
+
 void
 LLVMPassManagerBuilderSetDisableUnitAtATime(LLVMPassManagerBuilderRef PMB,
                                             LLVMBool Value) {
@@ -584,6 +597,12 @@
   Builder->DisableUnitAtATime = Value;
 }
 
+LLVMBool
+LLVMPassManagerBuilderGetDisableUnitAtATime(LLVMPassManagerBuilderRef PMB) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  return Builder->DisableUnitAtATime;
+}
+
 void
 LLVMPassManagerBuilderSetDisableUnrollLoops(LLVMPassManagerBuilderRef PMB,
                                             LLVMBool Value) {
@@ -591,6 +610,38 @@
   Builder->DisableUnrollLoops = Value;
 }
 
+LLVMBool
+LLVMPassManagerBuilderGetDisableUnrollLoops(LLVMPassManagerBuilderRef PMB) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  return Builder->DisableUnrollLoops;
+}
+
+void
+LLVMPassManagerBuilderSetLoopVectorize(LLVMPassManagerBuilderRef PMB,
+                                       LLVMBool Value) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  Builder->LoopVectorize = Value;
+}
+
+LLVMBool
+LLVMPassManagerBuilderGetLoopVectorize(LLVMPassManagerBuilderRef PMB) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  return Builder->LoopVectorize;
+}
+
+void
+LLVMPassManagerBuilderSetSLPVectorize(LLVMPassManagerBuilderRef PMB,
+                                      LLVMBool Value) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  Builder->SLPVectorize = Value;
+}
+
+LLVMBool
+LLVMPassManagerBuilderGetSLPVectorize(LLVMPassManagerBuilderRef PMB) {
+  PassManagerBuilder *Builder = unwrap(PMB);
+  return Builder->SLPVectorize;
+}
+
 void
 LLVMPassManagerBuilderSetDisableSimplifyLibCalls(LLVMPassManagerBuilderRef PMB,
                                                  LLVMBool Value) {
Index: unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
===================================================================
--- unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
+++ unittests/ExecutionEngine/MCJIT/MCJITCAPITest.cpp
@@ -296,8 +296,16 @@
     
     passBuilder = LLVMPassManagerBuilderCreate();
     LLVMPassManagerBuilderSetOptLevel(passBuilder, 2);
+    ASSERT_EQ(2U, LLVMPassManagerBuilderGetOptLevel(passBuilder));
     LLVMPassManagerBuilderSetSizeLevel(passBuilder, 0);
-    
+    ASSERT_EQ(0U, LLVMPassManagerBuilderGetSizeLevel(passBuilder));
+    LLVMPassManagerBuilderSetDisableUnrollLoops(passBuilder, true);
+    ASSERT_EQ(true, LLVMPassManagerBuilderGetDisableUnrollLoops(passBuilder));
+    LLVMPassManagerBuilderSetLoopVectorize(passBuilder, true);
+    ASSERT_EQ(true, LLVMPassManagerBuilderGetLoopVectorize(passBuilder));
+    LLVMPassManagerBuilderSetSLPVectorize(passBuilder, true);
+    ASSERT_EQ(true, LLVMPassManagerBuilderGetSLPVectorize(passBuilder));
+
     LLVMPassManagerRef functionPasses =
       LLVMCreateFunctionPassManagerForModule(Module);
     LLVMPassManagerRef modulePasses =
@@ -339,7 +347,8 @@
   buildMCJITOptions();
   buildMCJITEngine();
   buildAndRunPasses();
-  
+  buildAndRunOptPasses();
+
   union {
     void *raw;
     int (*usable)();