Add ARM cortex-r5 subtarget.

[oota-llvm.git] / lib / Target / TargetTransformImpl.cpp

diff --git a/lib/Target/TargetTransformImpl.cpp b/lib/Target/TargetTransformImpl.cpp
index c07332de32968827593b63e31b1c04578e9320b0..43204370202b0bd3aee015dcc32d9aad735c3015 100644 (file)
--- a/lib/Target/TargetTransformImpl.cpp
+++ b/lib/Target/TargetTransformImpl.cpp
@@ -214,8 +214,16 @@ unsigned VectorTargetTransformImpl::getCastInstrCost(unsigned Opcode, Type *Dst,
   // Handle scalar conversions.
   if (!Src->isVectorTy() && !Dst->isVectorTy()) {
 
-    // Scalar bitcasts and truncs are usually free.
-    if (Opcode == Instruction::BitCast || Opcode == Instruction::Trunc)
+    // Scalar bitcasts are usually free.
+    if (Opcode == Instruction::BitCast)
+      return 0;
+
+    if (Opcode == Instruction::Trunc &&
+        TLI->isTruncateFree(SrcLT.second, DstLT.second))
+      return 0;
+
+    if (Opcode == Instruction::ZExt &&
+        TLI->isZExtFree(SrcLT.second, DstLT.second))
       return 0;
 
     // Just check the op cost. If the operation is legal then assume it costs 1.
@@ -275,7 +283,7 @@ unsigned VectorTargetTransformImpl::getCastInstrCost(unsigned Opcode, Type *Dst,
  }
 
 unsigned VectorTargetTransformImpl::getCFInstrCost(unsigned Opcode) const {
-  return 1;
+  return 0;
 }
 
 unsigned VectorTargetTransformImpl::getCmpSelInstrCost(unsigned Opcode,
@@ -332,12 +340,32 @@ unsigned
 VectorTargetTransformImpl::getMemoryOpCost(unsigned Opcode, Type *Src,
                                            unsigned Alignment,
                                            unsigned AddressSpace) const {
+  assert(!Src->isVoidTy() && "Invalid type");
   std::pair<unsigned, MVT> LT = getTypeLegalizationCost(Src);
 
   // Assume that all loads of legal types cost 1.
   return LT.first;
 }
 
+unsigned
+VectorTargetTransformImpl::getIntrinsicInstrCost(Intrinsic::ID, Type *RetTy,
+                                                 ArrayRef<Type*> Tys) const {
+  // assume that we need to scalarize this intrinsic.
+  unsigned ScalarizationCost = 0;
+  unsigned ScalarCalls = 1;
+  if (RetTy->isVectorTy()) {
+    ScalarizationCost = getScalarizationOverhead(RetTy, true, false);
+    ScalarCalls = std::max(ScalarCalls, RetTy->getVectorNumElements());
+  }
+  for (unsigned i = 0, ie = Tys.size(); i != ie; ++i) {
+    if (Tys[i]->isVectorTy()) {
+      ScalarizationCost += getScalarizationOverhead(Tys[i], false, true);
+      ScalarCalls = std::max(ScalarCalls, RetTy->getVectorNumElements());
+    }
+  }
+  return ScalarCalls + ScalarizationCost;
+}
+
 unsigned
 VectorTargetTransformImpl::getNumberOfParts(Type *Tp) const {
   std::pair<unsigned, MVT> LT = getTypeLegalizationCost(Tp);