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[Matrix] Hoist finalizeLowering into caller. NFC #143038

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120 changes: 55 additions & 65 deletions llvm/lib/Transforms/Scalar/LowerMatrixIntrinsics.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1054,24 +1054,26 @@ class LowerMatrixIntrinsics {
if (FusedInsts.count(Inst))
continue;

IRBuilder<> Builder(Inst);

const ShapeInfo &SI = ShapeMap.at(Inst);

Value *Op1;
Value *Op2;
MatrixTy Result;
if (auto *BinOp = dyn_cast<BinaryOperator>(Inst))
VisitBinaryOperator(BinOp, SI);
Result = VisitBinaryOperator(BinOp, SI);
else if (auto *UnOp = dyn_cast<UnaryOperator>(Inst))
VisitUnaryOperator(UnOp, SI);
else if (CallInst *CInst = dyn_cast<CallInst>(Inst))
VisitCallInst(CInst);
Result = VisitUnaryOperator(UnOp, SI);
else if (auto *Intr = dyn_cast<IntrinsicInst>(Inst))
Result = VisitIntrinsicInst(Intr, SI);
else if (match(Inst, m_Load(m_Value(Op1))))
VisitLoad(cast<LoadInst>(Inst), SI, Op1, Builder);
Result = VisitLoad(cast<LoadInst>(Inst), SI, Op1);
else if (match(Inst, m_Store(m_Value(Op1), m_Value(Op2))))
VisitStore(cast<StoreInst>(Inst), SI, Op1, Op2, Builder);
Result = VisitStore(cast<StoreInst>(Inst), SI, Op1, Op2);
else
continue;

IRBuilder<> Builder(Inst);
finalizeLowering(Inst, Result, Builder);
Changed = true;
}

Expand Down Expand Up @@ -1111,27 +1113,24 @@ class LowerMatrixIntrinsics {
}

/// Replace intrinsic calls.
void VisitCallInst(CallInst *Inst) {
MatrixTy VisitIntrinsicInst(IntrinsicInst *Inst, const ShapeInfo &SI) {
assert(Inst->getCalledFunction() &&
Inst->getCalledFunction()->isIntrinsic());

switch (Inst->getCalledFunction()->getIntrinsicID()) {
case Intrinsic::matrix_multiply:
LowerMultiply(Inst);
break;
return LowerMultiply(Inst);
case Intrinsic::matrix_transpose:
LowerTranspose(Inst);
break;
return LowerTranspose(Inst);
case Intrinsic::matrix_column_major_load:
LowerColumnMajorLoad(Inst);
break;
return LowerColumnMajorLoad(Inst);
case Intrinsic::matrix_column_major_store:
LowerColumnMajorStore(Inst);
break;
return LowerColumnMajorStore(Inst);
default:
llvm_unreachable(
"only intrinsics supporting shape info should be seen here");
break;
}
llvm_unreachable(
"only intrinsics supporting shape info should be seen here");
}

/// Compute the alignment for a column/row \p Idx with \p Stride between them.
Expand Down Expand Up @@ -1197,26 +1196,24 @@ class LowerMatrixIntrinsics {
}

/// Lower a load instruction with shape information.
void LowerLoad(Instruction *Inst, Value *Ptr, MaybeAlign Align, Value *Stride,
bool IsVolatile, ShapeInfo Shape) {
MatrixTy LowerLoad(Instruction *Inst, Value *Ptr, MaybeAlign Align,
Value *Stride, bool IsVolatile, ShapeInfo Shape) {
IRBuilder<> Builder(Inst);
finalizeLowering(Inst,
loadMatrix(Inst->getType(), Ptr, Align, Stride, IsVolatile,
Shape, Builder),
Builder);
return loadMatrix(Inst->getType(), Ptr, Align, Stride, IsVolatile, Shape,
Builder);
}

/// Lowers llvm.matrix.column.major.load.
///
/// The intrinsic loads a matrix from memory using a stride between columns.
void LowerColumnMajorLoad(CallInst *Inst) {
MatrixTy LowerColumnMajorLoad(CallInst *Inst) {
assert(MatrixLayout == MatrixLayoutTy::ColumnMajor &&
"Intrinsic only supports column-major layout!");
Value *Ptr = Inst->getArgOperand(0);
Value *Stride = Inst->getArgOperand(1);
LowerLoad(Inst, Ptr, Inst->getParamAlign(0), Stride,
cast<ConstantInt>(Inst->getArgOperand(2))->isOne(),
{Inst->getArgOperand(3), Inst->getArgOperand(4)});
return LowerLoad(Inst, Ptr, Inst->getParamAlign(0), Stride,
cast<ConstantInt>(Inst->getArgOperand(2))->isOne(),
{Inst->getArgOperand(3), Inst->getArgOperand(4)});
}

/// Stores a sub-matrix \p StoreVal into the \p R x \p C matrix starting at \p
Expand Down Expand Up @@ -1259,28 +1256,27 @@ class LowerMatrixIntrinsics {
}

/// Lower a store instruction with shape information.
void LowerStore(Instruction *Inst, Value *Matrix, Value *Ptr, MaybeAlign A,
Value *Stride, bool IsVolatile, ShapeInfo Shape) {
MatrixTy LowerStore(Instruction *Inst, Value *Matrix, Value *Ptr,
MaybeAlign A, Value *Stride, bool IsVolatile,
ShapeInfo Shape) {
IRBuilder<> Builder(Inst);
auto StoreVal = getMatrix(Matrix, Shape, Builder);
finalizeLowering(Inst,
storeMatrix(Matrix->getType(), StoreVal, Ptr, A, Stride,
IsVolatile, Builder),
Builder);
return storeMatrix(Matrix->getType(), StoreVal, Ptr, A, Stride, IsVolatile,
Builder);
}

/// Lowers llvm.matrix.column.major.store.
///
/// The intrinsic store a matrix back memory using a stride between columns.
void LowerColumnMajorStore(CallInst *Inst) {
MatrixTy LowerColumnMajorStore(CallInst *Inst) {
assert(MatrixLayout == MatrixLayoutTy::ColumnMajor &&
"Intrinsic only supports column-major layout!");
Value *Matrix = Inst->getArgOperand(0);
Value *Ptr = Inst->getArgOperand(1);
Value *Stride = Inst->getArgOperand(2);
LowerStore(Inst, Matrix, Ptr, Inst->getParamAlign(1), Stride,
cast<ConstantInt>(Inst->getArgOperand(3))->isOne(),
{Inst->getArgOperand(4), Inst->getArgOperand(5)});
return LowerStore(Inst, Matrix, Ptr, Inst->getParamAlign(1), Stride,
cast<ConstantInt>(Inst->getArgOperand(3))->isOne(),
{Inst->getArgOperand(4), Inst->getArgOperand(5)});
}

// Set elements I..I+NumElts-1 to Block
Expand Down Expand Up @@ -2045,7 +2041,7 @@ class LowerMatrixIntrinsics {
}

/// Lowers llvm.matrix.multiply.
void LowerMultiply(CallInst *MatMul) {
MatrixTy LowerMultiply(CallInst *MatMul) {
IRBuilder<> Builder(MatMul);
auto *EltType = cast<FixedVectorType>(MatMul->getType())->getElementType();
ShapeInfo LShape(MatMul->getArgOperand(2), MatMul->getArgOperand(3));
Expand All @@ -2067,11 +2063,11 @@ class LowerMatrixIntrinsics {

emitMatrixMultiply(Result, Lhs, Rhs, Builder, false, false,
getFastMathFlags(MatMul));
finalizeLowering(MatMul, Result, Builder);
return Result;
}

/// Lowers llvm.matrix.transpose.
void LowerTranspose(CallInst *Inst) {
MatrixTy LowerTranspose(CallInst *Inst) {
MatrixTy Result;
IRBuilder<> Builder(Inst);
Value *InputVal = Inst->getArgOperand(0);
Expand Down Expand Up @@ -2101,28 +2097,26 @@ class LowerMatrixIntrinsics {
// TODO: Improve estimate of operations needed for transposes. Currently we
// just count the insertelement/extractelement instructions, but do not
// account for later simplifications/combines.
finalizeLowering(
Inst,
Result.addNumComputeOps(2 * ArgShape.NumRows * ArgShape.NumColumns)
.addNumExposedTransposes(1),
Builder);
return Result.addNumComputeOps(2 * ArgShape.NumRows * ArgShape.NumColumns)
.addNumExposedTransposes(1);
}

/// Lower load instructions.
void VisitLoad(LoadInst *Inst, const ShapeInfo &SI, Value *Ptr,
IRBuilder<> &Builder) {
LowerLoad(Inst, Ptr, Inst->getAlign(), Builder.getInt64(SI.getStride()),
Inst->isVolatile(), SI);
MatrixTy VisitLoad(LoadInst *Inst, const ShapeInfo &SI, Value *Ptr) {
IRBuilder<> Builder(Inst);
return LowerLoad(Inst, Ptr, Inst->getAlign(),
Builder.getInt64(SI.getStride()), Inst->isVolatile(), SI);
}

void VisitStore(StoreInst *Inst, const ShapeInfo &SI, Value *StoredVal,
Value *Ptr, IRBuilder<> &Builder) {
LowerStore(Inst, StoredVal, Ptr, Inst->getAlign(),
Builder.getInt64(SI.getStride()), Inst->isVolatile(), SI);
MatrixTy VisitStore(StoreInst *Inst, const ShapeInfo &SI, Value *StoredVal,
Value *Ptr) {
IRBuilder<> Builder(Inst);
return LowerStore(Inst, StoredVal, Ptr, Inst->getAlign(),
Builder.getInt64(SI.getStride()), Inst->isVolatile(), SI);
}

/// Lower binary operators.
void VisitBinaryOperator(BinaryOperator *Inst, const ShapeInfo &SI) {
MatrixTy VisitBinaryOperator(BinaryOperator *Inst, const ShapeInfo &SI) {
Value *Lhs = Inst->getOperand(0);
Value *Rhs = Inst->getOperand(1);

Expand All @@ -2141,14 +2135,12 @@ class LowerMatrixIntrinsics {
Result.addVector(Builder.CreateBinOp(Inst->getOpcode(), A.getVector(I),
B.getVector(I)));

finalizeLowering(Inst,
Result.addNumComputeOps(getNumOps(Result.getVectorTy()) *
Result.getNumVectors()),
Builder);
return Result.addNumComputeOps(getNumOps(Result.getVectorTy()) *
Result.getNumVectors());
}

/// Lower unary operators.
void VisitUnaryOperator(UnaryOperator *Inst, const ShapeInfo &SI) {
MatrixTy VisitUnaryOperator(UnaryOperator *Inst, const ShapeInfo &SI) {
Value *Op = Inst->getOperand(0);

IRBuilder<> Builder(Inst);
Expand All @@ -2171,10 +2163,8 @@ class LowerMatrixIntrinsics {
for (unsigned I = 0; I < SI.getNumVectors(); ++I)
Result.addVector(BuildVectorOp(M.getVector(I)));

finalizeLowering(Inst,
Result.addNumComputeOps(getNumOps(Result.getVectorTy()) *
Result.getNumVectors()),
Builder);
return Result.addNumComputeOps(getNumOps(Result.getVectorTy()) *
Result.getNumVectors());
}

/// Helper to linearize a matrix expression tree into a string. Currently
Expand Down
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