Revert "Random Number Generator (llvm)"

This reverts commit cccba093090d127e0b6d17473b14c264c14c5259.

It causes build breakage.

llvm-svn: 211146

1 files changed, 1 insertions, 14 deletions

diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp
index 0f73d44..6a5b386 100644
--- a/llvm/lib/IR/Module.cpp
+++ b/llvm/lib/IR/Module.cpp
@@ -24,8 +24,6 @@
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/LeakDetector.h"
 #include "llvm/Support/Dwarf.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/RandomNumberGenerator.h"
 #include <algorithm>
 #include <cstdarg>
 #include <cstdlib>
@@ -46,7 +44,7 @@ template class llvm::SymbolTableListTraits<GlobalAlias, Module>;
 //
 
 Module::Module(StringRef MID, LLVMContext &C)
-    : Context(C), Materializer(), ModuleID(MID), RNG(nullptr), DL("") {
+    : Context(C), Materializer(), ModuleID(MID), DL("") {
   ValSymTab = new ValueSymbolTable();
   NamedMDSymTab = new StringMap<NamedMDNode *>();
   Context.addModule(this);
@@ -61,7 +59,6 @@ Module::~Module() {
   NamedMDList.clear();
   delete ValSymTab;
   delete static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab);
-  delete RNG;
 }
 
 /// getNamedValue - Return the first global value in the module with
@@ -358,16 +355,6 @@ const DataLayout *Module::getDataLayout() const {
   return &DL;
 }
 
-// We want reproducible builds, but ModuleID may be a full path so we just use
-// the filename to salt the RNG (although it is not guaranteed to be unique).
-RandomNumberGenerator &Module::getRNG() const {
-  if (RNG == nullptr) {
-    StringRef Salt = sys::path::filename(ModuleID);
-    RNG = new RandomNumberGenerator(Salt);
-  }
-  return *RNG;
-}
-
 //===----------------------------------------------------------------------===//
 // Methods to control the materialization of GlobalValues in the Module.
 //