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Add a new overloaded EVT::vAny type for use in TableGen to allow intrinsic

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arguments that are vectors of any size and element type.

llvm-svn: 78631
This commit is contained in:
Bob Wilson 2009-08-11 01:14:02 +00:00
parent b6295e7143
commit 4a3ccbda6a
8 changed files with 54 additions and 15 deletions
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21
include/llvm/CodeGen/ValueTypes.h
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@ -83,26 +83,31 @@ namespace llvm {
MAX_ALLOWED_VALUETYPE = 64,
// Metadata - This is MDNode or MDString.
Metadata = 251,
Metadata = 250,
// iPTRAny - An int value the size of the pointer of the current
// target to any address space. This must only be used internal to
// tblgen. Other than for overloading, we treat iPTRAny the same as iPTR.
iPTRAny = 252,
iPTRAny = 251,
// vAny - A vector with any length and element size. This is used
// for intrinsics that have overloadings based on vector types.
// This is only for tblgen's consumption!
vAny = 252,
// fAny - Any floating-point or vector floating-point value. This is used
// for intrinsics that have overloadings based on floating-point types.
// This is only for tblgen's consumption!
fAny = 253,
fAny = 253,
// iAny - An integer or vector integer value of any bit width. This is
// used for intrinsics that have overloadings based on integer bit widths.
// This is only for tblgen's consumption!
iAny = 254,
iAny = 254,
// iPTR - An int value the size of the pointer of the current
// target. This should only be used internal to tblgen!
iPTR = 255,
iPTR = 255,
// LastSimpleValueType - The greatest valid SimpleValueType value.
LastSimpleValueType = 255
@ -284,6 +289,11 @@ namespace llvm {
V==v4i64) : isExtended256BitVector();
}
/// isOverloaded - Return true if this is an overloaded type for TableGen.
bool isOverloaded() const {
return (V==iAny || V==fAny || V==vAny || V==iPTRAny);
}
/// isByteSized - Return true if the bit size is a multiple of 8.
bool isByteSized() const {
return (getSizeInBits() & 7) == 0;
@ -396,6 +406,7 @@ namespace llvm {
case iPTRAny:
case iAny:
case fAny:
case vAny:
assert(0 && "Value type is overloaded.");
default:
return getExtendedSizeInBits();

7
include/llvm/CodeGen/ValueTypes.td
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@ -56,11 +56,14 @@ def v8f32 : ValueType<256, 31>; // 8 x f32 vector value
def v2f64 : ValueType<128, 32>; // 2 x f64 vector value
def v4f64 : ValueType<256, 33>; // 4 x f64 vector value
def MetadataVT: ValueType<0, 251>; // Metadata
def MetadataVT: ValueType<0, 250>; // Metadata
// Pseudo valuetype mapped to the current pointer size to any address space.
// Should only be used in TableGen.
def iPTRAny : ValueType<0, 252>;
def iPTRAny : ValueType<0, 251>;
// Pseudo valuetype to represent "vector of any size"
def vAny : ValueType<0 , 252>;
// Pseudo valuetype to represent "float of any format"
def fAny : ValueType<0 , 253>;

2
include/llvm/Intrinsics.h
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@ -63,7 +63,7 @@ namespace Intrinsic {
/// declaration for an intrinsic, and return it.
///
/// The Tys and numTys parameters are for intrinsics with overloaded types
/// (i.e., those using iAny or fAny). For a declaration for an overloaded
/// (e.g., those using iAny or fAny). For a declaration for an overloaded
/// intrinsic, Tys should point to an array of numTys pointers to Type,
/// and must provide exactly one type for each overloaded type in the
/// intrinsic.

1
include/llvm/Intrinsics.td
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@ -94,6 +94,7 @@ class LLVMTruncatedElementVectorType<int num> : LLVMMatchType<num>;
def llvm_void_ty : LLVMType<isVoid>;
def llvm_anyint_ty : LLVMType<iAny>;
def llvm_anyfloat_ty : LLVMType<fAny>;
def llvm_anyvector_ty : LLVMType<vAny>;
def llvm_i1_ty : LLVMType<i1>;
def llvm_i8_ty : LLVMType<i8>;
def llvm_i16_ty : LLVMType<i16>;

6
lib/VMCore/Verifier.cpp
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@ -1597,6 +1597,12 @@ bool Verifier::PerformTypeCheck(Intrinsic::ID ID, Function *F, const Type *Ty,
Suffix += "v" + utostr(NumElts);
Suffix += EVT::getEVT(EltTy).getEVTString();
} else if (VT == EVT::vAny) {
if (!VTy) {
CheckFailed(IntrinsicParam(ArgNo, NumRets) + " is not a vector type.", F);
return false;
}
Suffix += ".v" + utostr(NumElts) + EVT::getEVT(EltTy).getEVTString();
} else if (VT == EVT::iPTR) {
if (!isa<PointerType>(Ty)) {
CheckFailed(IntrinsicParam(ArgNo, NumRets) + " is not a "

21
utils/TableGen/CodeGenDAGPatterns.cpp
View File

@ -87,9 +87,16 @@ bool isExtIntegerInVTs(const std::vector<unsigned char> &EVTs) {
/// isExtFloatingPointInVTs - Return true if the specified extended value type
/// vector contains isFP or a FP value type.
bool isExtFloatingPointInVTs(const std::vector<unsigned char> &EVTs) {
assert(!EVTs.empty() && "Cannot check for integer in empty ExtVT list!");
assert(!EVTs.empty() && "Cannot check for FP in empty ExtVT list!");
return EVTs[0] == isFP || !(FilterEVTs(EVTs, isFloatingPoint).empty());
}
/// isExtVectorInVTs - Return true if the specified extended value type
/// vector contains a vector value type.
bool isExtVectorInVTs(const std::vector<unsigned char> &EVTs) {
assert(!EVTs.empty() && "Cannot check for vector in empty ExtVT list!");
return !(FilterEVTs(EVTs, isVector).empty());
}
} // end namespace EEVT.
} // end namespace llvm.
@ -495,6 +502,14 @@ bool TreePatternNode::UpdateNodeType(const std::vector<unsigned char> &ExtVTs,
setTypes(FVTs);
return true;
}
if (ExtVTs[0] == EVT::vAny && EEVT::isExtVectorInVTs(getExtTypes())) {
assert(hasTypeSet() && "should be handled above!");
std::vector<unsigned char> FVTs = FilterEVTs(getExtTypes(), isVector);
if (getExtTypes() == FVTs)
return false;
setTypes(FVTs);
return true;
}
// If we know this is an int or fp type, and we are told it is a specific one,
// take the advice.
@ -504,7 +519,9 @@ bool TreePatternNode::UpdateNodeType(const std::vector<unsigned char> &ExtVTs,
if (((getExtTypeNum(0) == EEVT::isInt || getExtTypeNum(0) == EVT::iAny) &&
EEVT::isExtIntegerInVTs(ExtVTs)) ||
((getExtTypeNum(0) == EEVT::isFP || getExtTypeNum(0) == EVT::fAny) &&
EEVT::isExtFloatingPointInVTs(ExtVTs))) {
EEVT::isExtFloatingPointInVTs(ExtVTs)) ||
(getExtTypeNum(0) == EVT::vAny &&
EEVT::isExtVectorInVTs(ExtVTs))) {
setTypes(ExtVTs);
return true;
}

5
utils/TableGen/CodeGenTarget.cpp
View File

@ -56,6 +56,7 @@ std::string llvm::getEnumName(EVT::SimpleValueType T) {
case EVT::i128: return "EVT::i128";
case EVT::iAny: return "EVT::iAny";
case EVT::fAny: return "EVT::fAny";
case EVT::vAny: return "EVT::vAny";
case EVT::f32: return "EVT::f32";
case EVT::f64: return "EVT::f64";
case EVT::f80: return "EVT::f80";
@ -496,7 +497,7 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
} else {
VT = getValueType(TyEl->getValueAsDef("VT"));
}
if (VT == EVT::iAny || VT == EVT::fAny || VT == EVT::iPTRAny) {
if (EVT(VT).isOverloaded()) {
OverloadedVTs.push_back(VT);
isOverloaded |= true;
}
@ -526,7 +527,7 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
VT == EVT::iAny) && "Expected iAny type");
} else
VT = getValueType(TyEl->getValueAsDef("VT"));
if (VT == EVT::iAny || VT == EVT::fAny || VT == EVT::iPTRAny) {
if (EVT(VT).isOverloaded()) {
OverloadedVTs.push_back(VT);
isOverloaded |= true;
}

6
utils/TableGen/IntrinsicEmitter.cpp
View File

@ -203,7 +203,7 @@ static void EmitTypeGenerate(raw_ostream &OS, const Record *ArgType,
<< "(dyn_cast<VectorType>(Tys[" << Number << "]))";
else
OS << "Tys[" << Number << "]";
} else if (VT == EVT::iAny || VT == EVT::fAny) {
} else if (VT == EVT::iAny || VT == EVT::fAny || VT == EVT::vAny) {
// NOTE: The ArgNo variable here is not the absolute argument number, it is
// the index of the "arbitrary" type in the Tys array passed to the
// Intrinsic::getDeclaration function. Consequently, we only want to
@ -329,7 +329,7 @@ void IntrinsicEmitter::EmitVerifier(const std::vector<CodeGenIntrinsic> &Ints,
EVT::SimpleValueType VT = getValueType(ArgType->getValueAsDef("VT"));
OS << getEnumName(VT);
if (VT == EVT::iAny || VT == EVT::fAny || VT == EVT::iPTRAny)
if (EVT(VT).isOverloaded())
OverloadedTypeIndices.push_back(j);
if (VT == EVT::isVoid && j != 0 && j != je - 1)
@ -357,7 +357,7 @@ void IntrinsicEmitter::EmitVerifier(const std::vector<CodeGenIntrinsic> &Ints,
EVT::SimpleValueType VT = getValueType(ArgType->getValueAsDef("VT"));
OS << getEnumName(VT);
if (VT == EVT::iAny || VT == EVT::fAny || VT == EVT::iPTRAny)
if (EVT(VT).isOverloaded())
OverloadedTypeIndices.push_back(j + RetTys.size());
if (VT == EVT::isVoid && j != 0 && j != je - 1)