Exposes an internal function that can replace uses of a constant in a module (#497)

Author: Peter Goodman

include/remill/BC/Util.h

@@ -44,6 +44,7 @@ namespace llvm {
 class Argument;
 class BasicBlock;
 class CallInst;
+class Constant;
 class Function;
 class FunctionType;
 class GlobalObject;
@@ -248,6 +249,13 @@ std::vector<llvm::CallInst *> CallersOf(llvm::Function *func);
 std::string ModuleName(llvm::Module *module);
 std::string ModuleName(const std::unique_ptr<llvm::Module> &module);
 
+// Replace all uses of a constant `old_c` with `new_c` inside of `module`.
+//
+// Returns the number of constant uses of `old_c`.
+unsigned ReplaceAllUsesOfConstant(llvm::Constant *old_c,
+                                  llvm::Constant *new_c,
+                                  llvm::Module *module);
+
 // Move a function from one module into another module.
 void MoveFunctionIntoModule(llvm::Function *func, llvm::Module *dest_module);
 

lib/BC/Util.cpp

@@ -1477,9 +1477,9 @@ void CloneFunctionInto(llvm::Function *source_func, llvm::Function *dest_func,
 // Replace all uses of a constant `old_c` with `new_c` inside of `module`.
 //
 // Returns the number of constant uses of `old_c`.
-static unsigned ReplaceAllUsesOfConstant(llvm::Constant *old_c,
-                                         llvm::Constant *new_c,
-                                         llvm::Module *module) {
+unsigned ReplaceAllUsesOfConstant(llvm::Constant *old_c,
+                                  llvm::Constant *new_c,
+                                  llvm::Module *module) {
   std::vector<llvm::Use *> repls;
   for (auto &use : old_c->uses()) {
     repls.emplace_back(&use);