Change some functions to take const pointers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169812 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 17 insertions, 15 deletions

diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp
index 5a388cbad6..a0533db480 100644
--- a/tools/lto/LTOModule.cpp
+++ b/tools/lto/LTOModule.cpp
@@ -320,8 +320,9 @@ MemoryBuffer *LTOModule::makeBuffer(const void *mem, size_t length) {
 }
 
 /// objcClassNameFromExpression - Get string that the data pointer points to.
-bool LTOModule::objcClassNameFromExpression(Constant *c, std::string &name) {
-  if (ConstantExpr *ce = dyn_cast<ConstantExpr>(c)) {
+bool
+LTOModule::objcClassNameFromExpression(const Constant *c, std::string &name) {
+  if (const ConstantExpr *ce = dyn_cast<ConstantExpr>(c)) {
     Constant *op = ce->getOperand(0);
     if (GlobalVariable *gvn = dyn_cast<GlobalVariable>(op)) {
       Constant *cn = gvn->getInitializer();
@@ -337,8 +338,8 @@ bool LTOModule::objcClassNameFromExpression(Constant *c, std::string &name) {
 }
 
 /// addObjCClass - Parse i386/ppc ObjC class data structure.
-void LTOModule::addObjCClass(GlobalVariable *clgv) {
-  ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
+void LTOModule::addObjCClass(const GlobalVariable *clgv) {
+  const ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
   if (!c) return;
 
   // second slot in __OBJC,__class is pointer to superclass name
@@ -374,8 +375,8 @@ void LTOModule::addObjCClass(GlobalVariable *clgv) {
 }
 
 /// addObjCCategory - Parse i386/ppc ObjC category data structure.
-void LTOModule::addObjCCategory(GlobalVariable *clgv) {
-  ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
+void LTOModule::addObjCCategory(const GlobalVariable *clgv) {
+  const ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
   if (!c) return;
 
   // second slot in __OBJC,__category is pointer to target class name
@@ -399,7 +400,7 @@ void LTOModule::addObjCCategory(GlobalVariable *clgv) {
 }
 
 /// addObjCClassRef - Parse i386/ppc ObjC class list data structure.
-void LTOModule::addObjCClassRef(GlobalVariable *clgv) {
+void LTOModule::addObjCClassRef(const GlobalVariable *clgv) {
   std::string targetclassName;
   if (!objcClassNameFromExpression(clgv->getInitializer(), targetclassName))
     return;
@@ -419,7 +420,7 @@ void LTOModule::addObjCClassRef(GlobalVariable *clgv) {
 }
 
 /// addDefinedDataSymbol - Add a data symbol as defined to the list.
-void LTOModule::addDefinedDataSymbol(GlobalValue *v) {
+void LTOModule::addDefinedDataSymbol(const GlobalValue *v) {
   // Add to list of defined symbols.
   addDefinedSymbol(v, false);
 
@@ -448,34 +449,34 @@ void LTOModule::addDefinedDataSymbol(GlobalValue *v) {
 
   // special case if this data blob is an ObjC class definition
   if (v->getSection().compare(0, 15, "__OBJC,__class,") == 0) {
-    if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
+    if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
       addObjCClass(gv);
     }
   }
 
   // special case if this data blob is an ObjC category definition
   else if (v->getSection().compare(0, 18, "__OBJC,__category,") == 0) {
-    if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
+    if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
       addObjCCategory(gv);
     }
   }
 
   // special case if this data blob is the list of referenced classes
   else if (v->getSection().compare(0, 18, "__OBJC,__cls_refs,") == 0) {
-    if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
+    if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
       addObjCClassRef(gv);
     }
   }
 }
 
 /// addDefinedFunctionSymbol - Add a function symbol as defined to the list.
-void LTOModule::addDefinedFunctionSymbol(Function *f) {
+void LTOModule::addDefinedFunctionSymbol(const Function *f) {
   // add to list of defined symbols
   addDefinedSymbol(f, true);
 }
 
 /// addDefinedSymbol - Add a defined symbol to the list.
-void LTOModule::addDefinedSymbol(GlobalValue *def, bool isFunction) {
+void LTOModule::addDefinedSymbol(const GlobalValue *def, bool isFunction) {
   // ignore all llvm.* symbols
   if (def->getName().startswith("llvm."))
     return;
@@ -492,7 +493,7 @@ void LTOModule::addDefinedSymbol(GlobalValue *def, bool isFunction) {
   if (isFunction) {
     attr |= LTO_SYMBOL_PERMISSIONS_CODE;
   } else {
-    GlobalVariable *gv = dyn_cast<GlobalVariable>(def);
+    const GlobalVariable *gv = dyn_cast<GlobalVariable>(def);
     if (gv && gv->isConstant())
       attr |= LTO_SYMBOL_PERMISSIONS_RODATA;
     else
@@ -607,7 +608,8 @@ void LTOModule::addAsmGlobalSymbolUndef(const char *name) {
 
 /// addPotentialUndefinedSymbol - Add a symbol which isn't defined just yet to a
 /// list to be resolved later.
-void LTOModule::addPotentialUndefinedSymbol(GlobalValue *decl, bool isFunc) {
+void
+LTOModule::addPotentialUndefinedSymbol(const GlobalValue *decl, bool isFunc) {
   // ignore all llvm.* symbols
   if (decl->getName().startswith("llvm."))
     return;