[CommandLine] Provide parser<unsigned long> instantiation to allow cl::opt<uint64_t> on LP64 platforms

Summary:
And migrate opt<unsigned long long> to opt<uint64_t>

Fixes PR19665

Differential Revision: https://reviews.llvm.org/D60933

llvm-svn: 359068
diff --git a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
index bfa1d0f..9e6173c 100644
--- a/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
+++ b/llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
@@ -304,21 +304,21 @@
 
 // These options allow to specify custom memory map parameters
 // See MemoryMapParams for details.
-static cl::opt<unsigned long long> ClAndMask("msan-and-mask",
-       cl::desc("Define custom MSan AndMask"),
-       cl::Hidden, cl::init(0));
+static cl::opt<uint64_t> ClAndMask("msan-and-mask",
+                                   cl::desc("Define custom MSan AndMask"),
+                                   cl::Hidden, cl::init(0));
 
-static cl::opt<unsigned long long> ClXorMask("msan-xor-mask",
-       cl::desc("Define custom MSan XorMask"),
-       cl::Hidden, cl::init(0));
+static cl::opt<uint64_t> ClXorMask("msan-xor-mask",
+                                   cl::desc("Define custom MSan XorMask"),
+                                   cl::Hidden, cl::init(0));
 
-static cl::opt<unsigned long long> ClShadowBase("msan-shadow-base",
-       cl::desc("Define custom MSan ShadowBase"),
-       cl::Hidden, cl::init(0));
+static cl::opt<uint64_t> ClShadowBase("msan-shadow-base",
+                                      cl::desc("Define custom MSan ShadowBase"),
+                                      cl::Hidden, cl::init(0));
 
-static cl::opt<unsigned long long> ClOriginBase("msan-origin-base",
-       cl::desc("Define custom MSan OriginBase"),
-       cl::Hidden, cl::init(0));
+static cl::opt<uint64_t> ClOriginBase("msan-origin-base",
+                                      cl::desc("Define custom MSan OriginBase"),
+                                      cl::Hidden, cl::init(0));
 
 static const char *const kMsanModuleCtorName = "msan.module_ctor";
 static const char *const kMsanInitName = "__msan_init";