Fix a FIXME by making GlobalVariable::getInitializer() return a

const Constant *.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133400 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/AsmPrinter.h

@@ -465,8 +465,8 @@ namespace llvm {
     void EmitJumpTableEntry(const MachineJumpTableInfo *MJTI,
                             const MachineBasicBlock *MBB,
                             unsigned uid) const;
-    void EmitLLVMUsedList(Constant *List);
+    void EmitLLVMUsedList(const Constant *List);
-    void EmitXXStructorList(Constant *List);
+    void EmitXXStructorList(const Constant *List);
     GCMetadataPrinter *GetOrCreateGCPrinter(GCStrategy *C);
   };
 }

include/llvm/GlobalVariable.h

@@ -119,7 +119,7 @@ public:
   /// illegal to call this method if the global is external, because we cannot
   /// tell what the value is initialized to!
   ///
-  inline /*const FIXME*/ Constant *getInitializer() const {
+  inline const Constant *getInitializer() const {
     assert(hasInitializer() && "GV doesn't have initializer!");
     return static_cast<Constant*>(Op<0>().get());
   }

lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -1211,9 +1211,9 @@ bool AsmPrinter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
 /// EmitLLVMUsedList - For targets that define a MAI::UsedDirective, mark each
 /// global in the specified llvm.used list for which emitUsedDirectiveFor
 /// is true, as being used with this directive.
-void AsmPrinter::EmitLLVMUsedList(Constant *List) {
+void AsmPrinter::EmitLLVMUsedList(const Constant *List) {
   // Should be an array of 'i8*'.
-  ConstantArray *InitList = dyn_cast<ConstantArray>(List);
+  const ConstantArray *InitList = dyn_cast<ConstantArray>(List);
   if (InitList == 0) return;
 
   for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
@@ -1226,11 +1226,11 @@ void AsmPrinter::EmitLLVMUsedList(Constant *List) {
 
 /// EmitXXStructorList - Emit the ctor or dtor list.  This just prints out the
 /// function pointers, ignoring the init priority.
-void AsmPrinter::EmitXXStructorList(Constant *List) {
+void AsmPrinter::EmitXXStructorList(const Constant *List) {
   // Should be an array of '{ int, void ()* }' structs.  The first value is the
   // init priority, which we ignore.
   if (!isa<ConstantArray>(List)) return;
-  ConstantArray *InitList = cast<ConstantArray>(List);
+  const ConstantArray *InitList = cast<ConstantArray>(List);
   for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i)
     if (ConstantStruct *CS = dyn_cast<ConstantStruct>(InitList->getOperand(i))){
       if (CS->getNumOperands() != 2) return;  // Not array of 2-element structs.

lib/CodeGen/ELFWriter.cpp

@@ -659,11 +659,11 @@ bool ELFWriter::EmitSpecialLLVMGlobal(const GlobalVariable *GV) {
 
 /// EmitXXStructorList - Emit the ctor or dtor list.  This just emits out the 
 /// function pointers, ignoring the init priority.
-void ELFWriter::EmitXXStructorList(Constant *List, ELFSection &Xtor) {
+void ELFWriter::EmitXXStructorList(const Constant *List, ELFSection &Xtor) {
   // Should be an array of '{ i32, void ()* }' structs.  The first value is the
   // init priority, which we ignore.
   if (List->isNullValue()) return;
-  ConstantArray *InitList = cast<ConstantArray>(List);
+  const ConstantArray *InitList = cast<ConstantArray>(List);
   for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) {
     if (InitList->getOperand(i)->isNullValue())
       continue;

lib/CodeGen/ELFWriter.h

@@ -232,7 +232,7 @@ namespace llvm {
     void EmitGlobalDataRelocation(const GlobalValue *GV, unsigned Size, 
                                   ELFSection &GblS, int64_t Offset = 0);
     bool EmitSpecialLLVMGlobal(const GlobalVariable *GV);
-    void EmitXXStructorList(Constant *List, ELFSection &Xtor);
+    void EmitXXStructorList(const Constant *List, ELFSection &Xtor);
     void EmitRelocations();
     void EmitRelocation(BinaryObject &RelSec, ELFRelocation &Rel, bool HasRelA);
     void EmitSectionHeader(BinaryObject &SHdrTab, const ELFSection &SHdr);

lib/Target/CppBackend/CPPBackend.cpp

@@ -989,12 +989,12 @@ void CppWriter::printVariableUses(const GlobalVariable *GV) {
   nl(Out);
   printType(GV->getType());
   if (GV->hasInitializer()) {
-    Constant *Init = GV->getInitializer();
+    const Constant *Init = GV->getInitializer();
     printType(Init->getType());
-    if (Function *F = dyn_cast<Function>(Init)) {
+    if (const Function *F = dyn_cast<Function>(Init)) {
       nl(Out)<< "/ Function Declarations"; nl(Out);
       printFunctionHead(F);
-    } else if (GlobalVariable* gv = dyn_cast<GlobalVariable>(Init)) {
+    } else if (const GlobalVariable* gv = dyn_cast<GlobalVariable>(Init)) {
       nl(Out) << "// Global Variable Declarations"; nl(Out);
       printVariableHead(gv);
       

lib/Target/PTX/PTXAsmPrinter.cpp

@@ -346,7 +346,7 @@ void PTXAsmPrinter::EmitVariableDeclaration(const GlobalVariable *gv) {
 
     if (gv->hasInitializer())
     {
-      Constant *C = gv->getInitializer();  
+      const Constant *C = gv->getInitializer();  
       if (const ConstantArray *CA = dyn_cast<ConstantArray>(C))
       {
         decl += " = {";

lib/Target/TargetLoweringObjectFile.cpp

@@ -66,7 +66,7 @@ TargetLoweringObjectFile::~TargetLoweringObjectFile() {
 }
 
 static bool isSuitableForBSS(const GlobalVariable *GV) {
-  Constant *C = GV->getInitializer();
+  const Constant *C = GV->getInitializer();
 
   // Must have zero initializer.
   if (!C->isNullValue())
@@ -168,7 +168,7 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalValue *GV,
     return SectionKind::getBSS();
   }
 
-  Constant *C = GVar->getInitializer();
+  const Constant *C = GVar->getInitializer();
 
   // If the global is marked constant, we can put it into a mergable section,
   // a mergable string section, or general .data if it contains relocations.

lib/Target/XCore/XCoreAsmPrinter.cpp

@@ -114,7 +114,7 @@ void XCoreAsmPrinter::EmitGlobalVariable(const GlobalVariable *GV) {
 
   
   MCSymbol *GVSym = Mang->getSymbol(GV);
-  Constant *C = GV->getInitializer();
+  const Constant *C = GV->getInitializer();
   unsigned Align = (unsigned)TD->getPreferredTypeAlignmentShift(C->getType());
   
   // Mark the start of the global