Don't use PassInfo* as a type identifier for passes. Instead, use the address of...
[oota-llvm.git] / lib / Target / CBackend / CBackend.cpp
index fa145b24dfb6c81ffec0269fedc6532d0498ac82..46f584cb1b5fdcdbe30d5ed460efc6e94cde4565 100644 (file)
@@ -73,7 +73,7 @@ namespace {
   public:
     static char ID;
     CBackendNameAllUsedStructsAndMergeFunctions() 
-      : ModulePass(&ID) {}
+      : ModulePass(ID) {}
     void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<FindUsedTypes>();
     }
@@ -110,7 +110,7 @@ namespace {
   public:
     static char ID;
     explicit CWriter(formatted_raw_ostream &o)
-      : FunctionPass(&ID), Out(o), IL(0), Mang(0), LI(0), 
+      : FunctionPass(ID), Out(o), IL(0), Mang(0), LI(0), 
         TheModule(0), TAsm(0), TCtx(0), TD(0), OpaqueCounter(0),
         NextAnonValueNumber(0) {
       FPCounter = 0;
@@ -1300,6 +1300,13 @@ void CWriter::printConstantWithCast(Constant* CPV, unsigned Opcode) {
 }
 
 std::string CWriter::GetValueName(const Value *Operand) {
+
+  // Resolve potential alias.
+  if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(Operand)) {
+    if (const Value *V = GA->resolveAliasedGlobal(false))
+      Operand = V;
+  }
+
   // Mangle globals with the standard mangler interface for LLC compatibility.
   if (const GlobalValue *GV = dyn_cast<GlobalValue>(Operand)) {
     SmallString<128> Str;
@@ -2889,7 +2896,7 @@ void CWriter::visitCallInst(CallInst &I) {
   bool hasByVal = I.hasByValArgument();
   bool isStructRet = I.hasStructRetAttr();
   if (isStructRet) {
-    writeOperandDeref(I.getOperand(1));
+    writeOperandDeref(I.getArgOperand(0));
     Out << " = ";
   }
   
@@ -2944,8 +2951,8 @@ void CWriter::visitCallInst(CallInst &I) {
   }
 
   unsigned NumDeclaredParams = FTy->getNumParams();
-
-  CallSite::arg_iterator AI = I.op_begin()+1, AE = I.op_end();
+  CallSite CS(&I);
+  CallSite::arg_iterator AI = CS.arg_begin(), AE = CS.arg_end();
   unsigned ArgNo = 0;
   if (isStructRet) {   // Skip struct return argument.
     ++AI;
@@ -2999,7 +3006,7 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
     Out << "0; ";
       
     Out << "va_start(*(va_list*)";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ", ";
     // Output the last argument to the enclosing function.
     if (I.getParent()->getParent()->arg_empty())
@@ -3009,9 +3016,9 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
     Out << ')';
     return true;
   case Intrinsic::vaend:
-    if (!isa<ConstantPointerNull>(I.getOperand(1))) {
+    if (!isa<ConstantPointerNull>(I.getArgOperand(0))) {
       Out << "0; va_end(*(va_list*)";
-      writeOperand(I.getOperand(1));
+      writeOperand(I.getArgOperand(0));
       Out << ')';
     } else {
       Out << "va_end(*(va_list*)0)";
@@ -3020,47 +3027,47 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
   case Intrinsic::vacopy:
     Out << "0; ";
     Out << "va_copy(*(va_list*)";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ", *(va_list*)";
-    writeOperand(I.getOperand(2));
+    writeOperand(I.getArgOperand(1));
     Out << ')';
     return true;
   case Intrinsic::returnaddress:
     Out << "__builtin_return_address(";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ')';
     return true;
   case Intrinsic::frameaddress:
     Out << "__builtin_frame_address(";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ')';
     return true;
   case Intrinsic::powi:
     Out << "__builtin_powi(";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ", ";
-    writeOperand(I.getOperand(2));
+    writeOperand(I.getArgOperand(1));
     Out << ')';
     return true;
   case Intrinsic::setjmp:
     Out << "setjmp(*(jmp_buf*)";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ')';
     return true;
   case Intrinsic::longjmp:
     Out << "longjmp(*(jmp_buf*)";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ", ";
-    writeOperand(I.getOperand(2));
+    writeOperand(I.getArgOperand(1));
     Out << ')';
     return true;
   case Intrinsic::prefetch:
     Out << "LLVM_PREFETCH((const void *)";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ", ";
-    writeOperand(I.getOperand(2));
+    writeOperand(I.getArgOperand(1));
     Out << ", ";
-    writeOperand(I.getOperand(3));
+    writeOperand(I.getArgOperand(2));
     Out << ")";
     return true;
   case Intrinsic::stacksave:
@@ -3077,7 +3084,7 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
     printType(Out, I.getType());
     Out << ')';  
     // Multiple GCC builtins multiplex onto this intrinsic.
-    switch (cast<ConstantInt>(I.getOperand(3))->getZExtValue()) {
+    switch (cast<ConstantInt>(I.getArgOperand(2))->getZExtValue()) {
     default: llvm_unreachable("Invalid llvm.x86.sse.cmp!");
     case 0: Out << "__builtin_ia32_cmpeq"; break;
     case 1: Out << "__builtin_ia32_cmplt"; break;
@@ -3098,9 +3105,9 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
       Out << 'd';
       
     Out << "(";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ", ";
-    writeOperand(I.getOperand(2));
+    writeOperand(I.getArgOperand(1));
     Out << ")";
     return true;
   case Intrinsic::ppc_altivec_lvsl:
@@ -3108,7 +3115,7 @@ bool CWriter::visitBuiltinCall(CallInst &I, Intrinsic::ID ID,
     printType(Out, I.getType());
     Out << ')';  
     Out << "__builtin_altivec_lvsl(0, (void*)";
-    writeOperand(I.getOperand(1));
+    writeOperand(I.getArgOperand(0));
     Out << ")";
     return true;
   }
@@ -3221,7 +3228,7 @@ void CWriter::visitInlineAsm(CallInst &CI) {
       DestVal = ResultVals[ValueCount].first;
       DestValNo = ResultVals[ValueCount].second;
     } else
-      DestVal = CI.getOperand(ValueCount-ResultVals.size()+1);
+      DestVal = CI.getArgOperand(ValueCount-ResultVals.size());
 
     if (I->isEarlyClobber)
       C = "&"+C;
@@ -3255,7 +3262,7 @@ void CWriter::visitInlineAsm(CallInst &CI) {
     }
     
     assert(ValueCount >= ResultVals.size() && "Input can't refer to result");
-    Value *SrcVal = CI.getOperand(ValueCount-ResultVals.size()+1);
+    Value *SrcVal = CI.getArgOperand(ValueCount-ResultVals.size());
     
     Out << "\"" << C << "\"(";
     if (!I->isIndirect)