enhance the intrinsic info stuff to emit encodings that don't fit in 32-bits into a
separate side table, using the handy SequenceToOffsetTable class. This encodes all
these weird things into another 256 bytes, allowing all intrinsics to be encoded this way.
llvm-svn: 156995
diff --git a/llvm/lib/VMCore/Function.cpp b/llvm/lib/VMCore/Function.cpp
index 60a51138..5a2a566 100644
--- a/llvm/lib/VMCore/Function.cpp
+++ b/llvm/lib/VMCore/Function.cpp
@@ -419,31 +419,34 @@
FunctionType *Intrinsic::getType(LLVMContext &Context,
ID id, ArrayRef<Type*> Tys) {
- Type *ResultTy = 0;
- SmallVector<Type*, 8> ArgTys;
-
// Check to see if the intrinsic's type was expressible by the table.
unsigned TableVal = IIT_Table[id-1];
- if (TableVal != ~0U) {
- // Decode the TableVal into an array of IITValues.
- SmallVector<unsigned char, 8> IITValues;
+
+ // Decode the TableVal into an array of IITValues.
+ SmallVector<unsigned char, 8> IITValues;
+ ArrayRef<unsigned char> IITEntries;
+ unsigned NextElt = 0;
+ if ((TableVal >> 31) != 0) {
+ // This is an offset into the IIT_LongEncodingTable.
+ IITEntries = IIT_LongEncodingTable;
+
+ // Strip sentinel bit.
+ NextElt = (TableVal << 1) >> 1;
+ } else {
do {
IITValues.push_back(TableVal & 0xF);
TableVal >>= 4;
} while (TableVal);
- unsigned NextElt = 0;
- ResultTy = DecodeFixedType(NextElt, IITValues, Tys, Context);
-
- while (NextElt != IITValues.size())
- ArgTys.push_back(DecodeFixedType(NextElt, IITValues, Tys, Context));
-
- return FunctionType::get(ResultTy, ArgTys, false);
+ IITEntries = IITValues;
+ NextElt = 0;
}
-
-#define GET_INTRINSIC_GENERATOR
-#include "llvm/Intrinsics.gen"
-#undef GET_INTRINSIC_GENERATOR
+
+ Type *ResultTy = DecodeFixedType(NextElt, IITEntries, Tys, Context);
+
+ SmallVector<Type*, 8> ArgTys;
+ while (NextElt != IITEntries.size() && IITEntries[NextElt] != 0)
+ ArgTys.push_back(DecodeFixedType(NextElt, IITEntries, Tys, Context));
return FunctionType::get(ResultTy, ArgTys, false);
}