Privatize the ValueHandle global map. Because this is used so heavily throughout...
[oota-llvm.git] / lib / VMCore / AutoUpgrade.cpp
index 0d6ae43d0f0277708dc93f29bf0f8637d0d0db26..e4c0d1afc49674a446f69f42ddcb05137be38cda 100644 (file)
 #include "llvm/AutoUpgrade.h"
 #include "llvm/Constants.h"
 #include "llvm/Function.h"
+#include "llvm/LLVMContext.h"
 #include "llvm/Module.h"
 #include "llvm/Instructions.h"
 #include "llvm/Intrinsics.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/ErrorHandling.h"
 #include <cstring>
 using namespace llvm;
 
@@ -39,6 +41,44 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
   Module *M = F->getParent();
   switch (Name[5]) {
   default: break;
+  case 'a':
+    // This upgrades the llvm.atomic.lcs, llvm.atomic.las, llvm.atomic.lss,
+    // and atomics with default address spaces to their new names to their new
+    // function name (e.g. llvm.atomic.add.i32 => llvm.atomic.add.i32.p0i32)
+    if (Name.compare(5,7,"atomic.",7) == 0) {
+      if (Name.compare(12,3,"lcs",3) == 0) {
+        std::string::size_type delim = Name.find('.',12);
+        F->setName("llvm.atomic.cmp.swap" + Name.substr(delim) +
+                   ".p0" + Name.substr(delim+1));
+        NewFn = F;
+        return true;
+      }
+      else if (Name.compare(12,3,"las",3) == 0) {
+        std::string::size_type delim = Name.find('.',12);
+        F->setName("llvm.atomic.load.add"+Name.substr(delim)
+                   + ".p0" + Name.substr(delim+1));
+        NewFn = F;
+        return true;
+      }
+      else if (Name.compare(12,3,"lss",3) == 0) {
+        std::string::size_type delim = Name.find('.',12);
+        F->setName("llvm.atomic.load.sub"+Name.substr(delim)
+                   + ".p0" + Name.substr(delim+1));
+        NewFn = F;
+        return true;
+      }
+      else if (Name.rfind(".p") == std::string::npos) {
+        // We don't have an address space qualifier so this has be upgraded
+        // to the new name.  Copy the type name at the end of the intrinsic
+        // and add to it
+        std::string::size_type delim = Name.find_last_of('.');
+        assert(delim != std::string::npos && "can not find type");
+        F->setName(Name + ".p0" + Name.substr(delim+1));
+        NewFn = F;
+        return true;
+      }
+    }
+    break;
   case 'b':
     //  This upgrades the name of the llvm.bswap intrinsic function to only use 
     //  a single type name for overloading. We only care about the old format
@@ -124,7 +164,8 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
          Name.compare(13,4,"psra", 4) == 0 ||
          Name.compare(13,4,"psrl", 4) == 0) && Name[17] != 'i') {
       
-      const llvm::Type *VT = VectorType::get(IntegerType::get(64), 1);
+      const llvm::Type *VT =
+                    VectorType::get(IntegerType::get(FTy->getContext(), 64), 1);
       
       // We don't have to do anything if the parameter already has
       // the correct type.
@@ -154,7 +195,9 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
                Name.compare(5,15,"x86.sse2.movs.d",15) == 0 ||
                Name.compare(5,16,"x86.sse2.shuf.pd",16) == 0 ||
                Name.compare(5,18,"x86.sse2.unpckh.pd",18) == 0 ||
-               Name.compare(5,18,"x86.sse2.unpckl.pd",18) == 0 ) {
+               Name.compare(5,18,"x86.sse2.unpckl.pd",18) == 0 ||
+               Name.compare(5,20,"x86.sse2.punpckh.qdq",20) == 0 ||
+               Name.compare(5,20,"x86.sse2.punpckl.qdq",20) == 0) {
       // Calls to these intrinsics are transformed into ShuffleVector's.
       NewFn = 0;
       return true;
@@ -177,8 +220,8 @@ bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
   // Upgrade intrinsic attributes.  This does not change the function.
   if (NewFn)
     F = NewFn;
-  if (unsigned id = F->getIntrinsicID(true))
-    F->setParamAttrs(Intrinsic::getParamAttrs((Intrinsic::ID)id));
+  if (unsigned id = F->getIntrinsicID())
+    F->setAttributes(Intrinsic::getAttributes((Intrinsic::ID)id));
   return Upgraded;
 }
 
@@ -187,52 +230,59 @@ bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
 // order to seamlessly integrate with existing context.
 void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
   Function *F = CI->getCalledFunction();
+  LLVMContext &C = CI->getContext();
+  
   assert(F && "CallInst has no function associated with it.");
 
   if (!NewFn) {
     bool isLoadH = false, isLoadL = false, isMovL = false;
     bool isMovSD = false, isShufPD = false;
     bool isUnpckhPD = false, isUnpcklPD = false;
-    if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadh.pd") == 0)
+    bool isPunpckhQPD = false, isPunpcklQPD = false;
+    if (F->getName() == "llvm.x86.sse2.loadh.pd")
       isLoadH = true;
-    else if (strcmp(F->getNameStart(), "llvm.x86.sse2.loadl.pd") == 0)
+    else if (F->getName() == "llvm.x86.sse2.loadl.pd")
       isLoadL = true;
-    else if (strcmp(F->getNameStart(), "llvm.x86.sse2.movl.dq") == 0)
+    else if (F->getName() == "llvm.x86.sse2.movl.dq")
       isMovL = true;
-    else if (strcmp(F->getNameStart(), "llvm.x86.sse2.movs.d") == 0)
+    else if (F->getName() == "llvm.x86.sse2.movs.d")
       isMovSD = true;
-    else if (strcmp(F->getNameStart(), "llvm.x86.sse2.shuf.pd") == 0)
+    else if (F->getName() == "llvm.x86.sse2.shuf.pd")
       isShufPD = true;
-    else if (strcmp(F->getNameStart(), "llvm.x86.sse2.unpckh.pd") == 0)
+    else if (F->getName() == "llvm.x86.sse2.unpckh.pd")
       isUnpckhPD = true;
-    else if (strcmp(F->getNameStart(), "llvm.x86.sse2.unpckl.pd") == 0)
+    else if (F->getName() == "llvm.x86.sse2.unpckl.pd")
       isUnpcklPD = true;
+    else if (F->getName() ==  "llvm.x86.sse2.punpckh.qdq")
+      isPunpckhQPD = true;
+    else if (F->getName() ==  "llvm.x86.sse2.punpckl.qdq")
+      isPunpcklQPD = true;
 
     if (isLoadH || isLoadL || isMovL || isMovSD || isShufPD ||
-        isUnpckhPD || isUnpcklPD) {
+        isUnpckhPD || isUnpcklPD || isPunpckhQPD || isPunpcklQPD) {
       std::vector<Constant*> Idxs;
       Value *Op0 = CI->getOperand(1);
       ShuffleVectorInst *SI = NULL;
       if (isLoadH || isLoadL) {
         Value *Op1 = UndefValue::get(Op0->getType());
         Value *Addr = new BitCastInst(CI->getOperand(2), 
-                                      PointerType::getUnqual(Type::DoubleTy),
+                                  PointerType::getUnqual(Type::getDoubleTy(C)),
                                       "upgraded.", CI);
         Value *Load = new LoadInst(Addr, "upgraded.", false, 8, CI);
-        Value *Idx = ConstantInt::get(Type::Int32Ty, 0);
+        Value *Idx = ConstantInt::get(Type::getInt32Ty(C), 0);
         Op1 = InsertElementInst::Create(Op1, Load, Idx, "upgraded.", CI);
 
         if (isLoadH) {
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 0));
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 0));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
         } else {
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
         }
         Value *Mask = ConstantVector::get(Idxs);
         SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
       } else if (isMovL) {
-        Constant *Zero = ConstantInt::get(Type::Int32Ty, 0);
+        Constant *Zero = ConstantInt::get(Type::getInt32Ty(C), 0);
         Idxs.push_back(Zero);
         Idxs.push_back(Zero);
         Idxs.push_back(Zero);
@@ -240,31 +290,33 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
         Value *ZeroV = ConstantVector::get(Idxs);
 
         Idxs.clear(); 
-        Idxs.push_back(ConstantInt::get(Type::Int32Ty, 4));
-        Idxs.push_back(ConstantInt::get(Type::Int32Ty, 5));
-        Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
-        Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
+        Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 4));
+        Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 5));
+        Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
+        Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 3));
         Value *Mask = ConstantVector::get(Idxs);
         SI = new ShuffleVectorInst(ZeroV, Op0, Mask, "upgraded.", CI);
-      } else if (isMovSD || isUnpckhPD || isUnpcklPD) {
+      } else if (isMovSD ||
+                 isUnpckhPD || isUnpcklPD || isPunpckhQPD || isPunpcklQPD) {
         Value *Op1 = CI->getOperand(2);
         if (isMovSD) {
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
-        } else if (isUnpckhPD) {
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 1));
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 3));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
+        } else if (isUnpckhPD || isPunpckhQPD) {
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 1));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 3));
         } else {
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 0));
-          Idxs.push_back(ConstantInt::get(Type::Int32Ty, 2));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 0));
+          Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), 2));
         }
         Value *Mask = ConstantVector::get(Idxs);
         SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
       } else if (isShufPD) {
         Value *Op1 = CI->getOperand(2);
         unsigned MaskVal = cast<ConstantInt>(CI->getOperand(3))->getZExtValue();
-        Idxs.push_back(ConstantInt::get(Type::Int32Ty, MaskVal & 1));
-        Idxs.push_back(ConstantInt::get(Type::Int32Ty, ((MaskVal >> 1) & 1)+2));
+        Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C), MaskVal & 1));
+        Idxs.push_back(ConstantInt::get(Type::getInt32Ty(C),
+                                               ((MaskVal >> 1) & 1)+2));
         Value *Mask = ConstantVector::get(Idxs);
         SI = new ShuffleVectorInst(Op0, Op1, Mask, "upgraded.", CI);
       }
@@ -280,13 +332,13 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
       //  Clean up the old call now that it has been completely upgraded.
       CI->eraseFromParent();
     } else {
-      assert(0 && "Unknown function for CallInst upgrade.");
+      llvm_unreachable("Unknown function for CallInst upgrade.");
     }
     return;
   }
 
   switch (NewFn->getIntrinsicID()) {
-  default:  assert(0 && "Unknown function for CallInst upgrade.");
+  default:  llvm_unreachable("Unknown function for CallInst upgrade.");
   case Intrinsic::x86_mmx_psll_d:
   case Intrinsic::x86_mmx_psll_q:
   case Intrinsic::x86_mmx_psll_w:
@@ -337,8 +389,8 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
     //  Handle any uses of the old CallInst.
     if (!CI->use_empty()) {
       //  Check for sign extend parameter attributes on the return values.
-      bool SrcSExt = NewFn->getParamAttrs().paramHasAttr(0, ParamAttr::SExt);
-      bool DestSExt = F->getParamAttrs().paramHasAttr(0, ParamAttr::SExt);
+      bool SrcSExt = NewFn->getAttributes().paramHasAttr(0, Attribute::SExt);
+      bool DestSExt = F->getAttributes().paramHasAttr(0, Attribute::SExt);
       
       //  Construct an appropriate cast from the new return type to the old.
       CastInst *RetCast = CastInst::Create(
@@ -382,4 +434,3 @@ void llvm::UpgradeCallsToIntrinsic(Function* F) {
     }
   }
 }
-