Remove some instructions that seem to only exist to trick the filtering checks in...

[oota-llvm.git] / utils / TableGen / IntrinsicEmitter.cpp

diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp
index faf347088008d2e944a24dfb32fa3b99fa67903c..f6ea69c148c73e10b137242d414de32313b459e0 100644 (file)
--- a/utils/TableGen/IntrinsicEmitter.cpp
+++ b/utils/TableGen/IntrinsicEmitter.cpp
@@ -131,6 +131,20 @@ void IntrinsicEmitter::EmitEnumInfo(const std::vector<CodeGenIntrinsic> &Ints,
   OS << "#endif\n\n";
 }
 
+struct IntrinsicNameSorter {
+  IntrinsicNameSorter(const std::vector<CodeGenIntrinsic> &I)
+  : Ints(I) {}
+
+  // Sort in reverse order of intrinsic name so "abc.def" appears after
+  // "abd.def.ghi" in the overridden name matcher
+  bool operator()(unsigned i, unsigned j) {
+    return Ints[i].Name > Ints[j].Name;
+  }
+
+private:
+  const std::vector<CodeGenIntrinsic> &Ints;
+};
+
 void IntrinsicEmitter::
 EmitFnNameRecognizer(const std::vector<CodeGenIntrinsic> &Ints, 
                      raw_ostream &OS) {
@@ -144,12 +158,16 @@ EmitFnNameRecognizer(const std::vector<CodeGenIntrinsic> &Ints,
   OS << "  StringRef NameR(Name+6, Len-6);   // Skip over 'llvm.'\n";
   OS << "  switch (Name[5]) {                  // Dispatch on first letter.\n";
   OS << "  default: break;\n";
+  IntrinsicNameSorter Sorter(Ints);
   // Emit the intrinsic matching stuff by first letter.
   for (std::map<char, std::vector<unsigned> >::iterator I = IntMapping.begin(),
        E = IntMapping.end(); I != E; ++I) {
     OS << "  case '" << I->first << "':\n";
     std::vector<unsigned> &IntList = I->second;
 
+    // Sort intrinsics in reverse order of their names
+    std::sort(IntList.begin(), IntList.end(), Sorter);
+
     // Emit all the overloaded intrinsics first, build a table of the
     // non-overloaded ones.
     std::vector<StringMatcher::StringPair> MatchTable;
@@ -221,27 +239,29 @@ enum IIT_Info {
   IIT_I16  = 3,
   IIT_I32  = 4,
   IIT_I64  = 5,
-  IIT_F32  = 6,
-  IIT_F64  = 7,
-  IIT_V2   = 8,
-  IIT_V4   = 9,
-  IIT_V8   = 10,
-  IIT_V16  = 11,
-  IIT_V32  = 12,
-  IIT_MMX  = 13,
+  IIT_F16  = 6,
+  IIT_F32  = 7,
+  IIT_F64  = 8,
+  IIT_V2   = 9,
+  IIT_V4   = 10,
+  IIT_V8   = 11,
+  IIT_V16  = 12,
+  IIT_V32  = 13,
   IIT_PTR  = 14,
   IIT_ARG  = 15,
-  
+
   // Values from 16+ are only encodable with the inefficient encoding.
-  IIT_METADATA = 16,
-  IIT_EMPTYSTRUCT = 17,
-  IIT_STRUCT2 = 18,
-  IIT_STRUCT3 = 19,
-  IIT_STRUCT4 = 20,
-  IIT_STRUCT5 = 21,
-  IIT_EXTEND_VEC_ARG = 22,
-  IIT_TRUNC_VEC_ARG = 23,
-  IIT_ANYPTR = 24
+  IIT_MMX  = 16,
+  IIT_METADATA = 17,
+  IIT_EMPTYSTRUCT = 18,
+  IIT_STRUCT2 = 19,
+  IIT_STRUCT3 = 20,
+  IIT_STRUCT4 = 21,
+  IIT_STRUCT5 = 22,
+  IIT_EXTEND_VEC_ARG = 23,
+  IIT_TRUNC_VEC_ARG = 24,
+  IIT_ANYPTR = 25,
+  IIT_V1   = 26
 };
 
 
@@ -261,6 +281,7 @@ static void EncodeFixedValueType(MVT::SimpleValueType VT,
   
   switch (VT) {
   default: PrintFatalError("unhandled MVT in intrinsic!");
+  case MVT::f16: return Sig.push_back(IIT_F16);
   case MVT::f32: return Sig.push_back(IIT_F32);
   case MVT::f64: return Sig.push_back(IIT_F64);
   case MVT::Metadata: return Sig.push_back(IIT_METADATA);
@@ -330,6 +351,7 @@ static void EncodeFixedType(Record *R, std::vector<unsigned char> &ArgCodes,
     EVT VVT = VT;
     switch (VVT.getVectorNumElements()) {
     default: PrintFatalError("unhandled vector type width in intrinsic!");
+    case 1: Sig.push_back(IIT_V1); break;
     case 2: Sig.push_back(IIT_V2); break;
     case 4: Sig.push_back(IIT_V4); break;
     case 8: Sig.push_back(IIT_V8); break;
@@ -532,9 +554,8 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
     N = ++AttrNum;
   }
 
-  // Emit an array of AttributeWithIndex.  Most intrinsics will have
-  // at least one entry, for the function itself (index ~1), which is
-  // usually nounwind.
+  // Emit an array of AttributeSet.  Most intrinsics will have at least one
+  // entry, for the function itself (index ~1), which is usually nounwind.
   OS << "  static const uint8_t IntrinsicsToAttributesMap[] = {\n";
 
   for (unsigned i = 0, e = Ints.size(); i != e; ++i) {
@@ -545,10 +566,10 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
   }
   OS << "  };\n\n";
 
-  OS << "  AttributeWithIndex AWI[" << maxArgAttrs+1 << "];\n";
+  OS << "  AttributeSet AS[" << maxArgAttrs+1 << "];\n";
   OS << "  unsigned NumAttrs = 0;\n";
   OS << "  if (id != 0) {\n";
-  OS << "    SmallVector<Attribute::AttrVal, 8> AttrVec;\n";
+  OS << "    SmallVector<Attribute::AttrKind, 8> AttrVec;\n";
   OS << "    switch(IntrinsicsToAttributesMap[id - ";
   if (TargetOnly)
     OS << "Intrinsic::num_intrinsics";
@@ -578,12 +599,18 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
           case CodeGenIntrinsic::NoCapture:
             OS << "      AttrVec.push_back(Attribute::NoCapture);\n";
             break;
+          case CodeGenIntrinsic::ReadOnly:
+            OS << "      AttrVec.push_back(Attribute::ReadOnly);\n";
+            break;
+          case CodeGenIntrinsic::ReadNone:
+            OS << "      AttrVec.push_back(Attribute::ReadNone);\n";
+            break;
           }
 
           ++ai;
         } while (ai != ae && intrinsic.ArgumentAttributes[ai].first == argNo);
 
-        OS << "      AWI[" << numAttrs++ << "] = AttributeWithIndex::get(C, "
+        OS << "      AS[" << numAttrs++ << "] = AttributeSet::get(C, "
            << argNo+1 << ", AttrVec);\n";
       }
     }
@@ -607,7 +634,7 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
         OS << "      AttrVec.push_back(Attribute::ReadNone);\n"; 
         break;
       }
-      OS << "      AWI[" << numAttrs++ << "] = AttributeWithIndex::get(C, "
+      OS << "      AS[" << numAttrs++ << "] = AttributeSet::get(C, "
          << "AttributeSet::FunctionIndex, AttrVec);\n";
     }
 
@@ -621,7 +648,7 @@ EmitAttributes(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS) {
   
   OS << "    }\n";
   OS << "  }\n";
-  OS << "  return AttributeSet::get(C, ArrayRef<AttributeWithIndex>(AWI, "
+  OS << "  return AttributeSet::get(C, ArrayRef<AttributeSet>(AS, "
              "NumAttrs));\n";
   OS << "}\n";
   OS << "#endif // GET_INTRINSIC_ATTRIBUTES\n\n";