saqut-compiler/llvm/include/clang/CIR/Dialect/Builder/CIRBaseBuilder.h

713 lines
28 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_CIR_DIALECT_BUILDER_CIRBASEBUILDER_H
#define LLVM_CLANG_CIR_DIALECT_BUILDER_CIRBASEBUILDER_H
#include "clang/AST/CharUnits.h"
#include "clang/Basic/AddressSpaces.h"
#include "clang/CIR/Dialect/IR/CIRAttrs.h"
#include "clang/CIR/Dialect/IR/CIRDialect.h"
#include "clang/CIR/Dialect/IR/CIRTypes.h"
#include "clang/CIR/MissingFeatures.h"
#include "llvm/ADT/STLForwardCompat.h"
#include "llvm/Support/ErrorHandling.h"
#include "mlir/IR/Builders.h"
#include "mlir/IR/BuiltinAttributes.h"
#include "mlir/IR/Location.h"
#include "mlir/IR/Types.h"
namespace cir {
enum class OverflowBehavior {
None = 0,
NoSignedWrap = 1 << 0,
NoUnsignedWrap = 1 << 1,
Saturated = 1 << 2,
};
constexpr OverflowBehavior operator|(OverflowBehavior a, OverflowBehavior b) {
return static_cast<OverflowBehavior>(llvm::to_underlying(a) |
llvm::to_underlying(b));
}
constexpr OverflowBehavior operator&(OverflowBehavior a, OverflowBehavior b) {
return static_cast<OverflowBehavior>(llvm::to_underlying(a) &
llvm::to_underlying(b));
}
constexpr OverflowBehavior &operator|=(OverflowBehavior &a,
OverflowBehavior b) {
a = a | b;
return a;
}
constexpr OverflowBehavior &operator&=(OverflowBehavior &a,
OverflowBehavior b) {
a = a & b;
return a;
}
class CIRBaseBuilderTy : public mlir::OpBuilder {
public:
CIRBaseBuilderTy(mlir::MLIRContext &mlirContext)
: mlir::OpBuilder(&mlirContext) {}
CIRBaseBuilderTy(mlir::OpBuilder &builder) : mlir::OpBuilder(builder) {}
mlir::Value getConstAPInt(mlir::Location loc, mlir::Type typ,
const llvm::APInt &val) {
return cir::ConstantOp::create(*this, loc, cir::IntAttr::get(typ, val));
}
cir::ConstantOp getConstant(mlir::Location loc, mlir::TypedAttr attr) {
return cir::ConstantOp::create(*this, loc, attr);
}
cir::ConstantOp getConstantInt(mlir::Location loc, mlir::Type ty,
int64_t value) {
return getConstant(loc, cir::IntAttr::get(ty, value));
}
mlir::Value getSignedInt(mlir::Location loc, int64_t val, unsigned numBits) {
auto type = cir::IntType::get(getContext(), numBits, /*isSigned=*/true);
return getConstAPInt(loc, type,
llvm::APInt(numBits, val, /*isSigned=*/true));
}
mlir::Value getUnsignedInt(mlir::Location loc, uint64_t val,
unsigned numBits) {
auto type = cir::IntType::get(getContext(), numBits, /*isSigned=*/false);
return getConstAPInt(loc, type, llvm::APInt(numBits, val));
}
// Creates constant null value for integral type ty.
cir::ConstantOp getNullValue(mlir::Type ty, mlir::Location loc) {
return getConstant(loc, getZeroInitAttr(ty));
}
mlir::TypedAttr getConstNullPtrAttr(mlir::Type t) {
assert(mlir::isa<cir::PointerType>(t) && "expected cir.ptr");
return getConstPtrAttr(t, 0);
}
mlir::TypedAttr getNullDataMemberAttr(cir::DataMemberType ty) {
return cir::DataMemberAttr::get(ty);
}
mlir::TypedAttr getZeroInitAttr(mlir::Type ty) {
if (mlir::isa<cir::IntType>(ty))
return cir::IntAttr::get(ty, 0);
if (cir::isAnyFloatingPointType(ty))
return cir::FPAttr::getZero(ty);
if (auto complexType = mlir::dyn_cast<cir::ComplexType>(ty))
return cir::ZeroAttr::get(complexType);
if (auto arrTy = mlir::dyn_cast<cir::ArrayType>(ty))
return cir::ZeroAttr::get(arrTy);
if (auto vecTy = mlir::dyn_cast<cir::VectorType>(ty))
return cir::ZeroAttr::get(vecTy);
if (auto ptrTy = mlir::dyn_cast<cir::PointerType>(ty))
return getConstNullPtrAttr(ptrTy);
if (auto recordTy = mlir::dyn_cast<cir::RecordType>(ty))
return cir::ZeroAttr::get(recordTy);
if (auto dataMemberTy = mlir::dyn_cast<cir::DataMemberType>(ty))
return getNullDataMemberAttr(dataMemberTy);
if (mlir::isa<cir::BoolType>(ty)) {
return getFalseAttr();
}
llvm_unreachable("Zero initializer for given type is NYI");
}
cir::ConstantOp getBool(bool state, mlir::Location loc) {
return cir::ConstantOp::create(*this, loc, getCIRBoolAttr(state));
}
cir::ConstantOp getFalse(mlir::Location loc) { return getBool(false, loc); }
cir::ConstantOp getTrue(mlir::Location loc) { return getBool(true, loc); }
cir::BoolType getBoolTy() { return cir::BoolType::get(getContext()); }
cir::VoidType getVoidTy() { return cir::VoidType::get(getContext()); }
cir::IntType getUIntNTy(int n) {
return cir::IntType::get(getContext(), n, false);
}
static unsigned getCIRIntOrFloatBitWidth(mlir::Type eltTy) {
if (auto intType = mlir::dyn_cast<cir::IntTypeInterface>(eltTy))
return intType.getWidth();
if (auto floatType = mlir::dyn_cast<cir::FPTypeInterface>(eltTy))
return floatType.getWidth();
llvm_unreachable("Unsupported type in getCIRIntOrFloatBitWidth");
}
cir::IntType getSIntNTy(int n) {
return cir::IntType::get(getContext(), n, true);
}
cir::PointerType getPointerTo(mlir::Type ty) {
return cir::PointerType::get(ty);
}
cir::PointerType getPointerTo(mlir::Type ty, cir::TargetAddressSpaceAttr as) {
return cir::PointerType::get(ty, as);
}
cir::PointerType getPointerTo(mlir::Type ty, clang::LangAS langAS) {
if (langAS == clang::LangAS::Default) // Default address space.
return getPointerTo(ty);
if (clang::isTargetAddressSpace(langAS)) {
unsigned addrSpace = clang::toTargetAddressSpace(langAS);
auto asAttr = cir::TargetAddressSpaceAttr::get(
getContext(), getUI32IntegerAttr(addrSpace));
return getPointerTo(ty, asAttr);
}
llvm_unreachable("language-specific address spaces NYI");
}
cir::PointerType getVoidPtrTy(clang::LangAS langAS = clang::LangAS::Default) {
return getPointerTo(cir::VoidType::get(getContext()), langAS);
}
cir::PointerType getVoidPtrTy(cir::TargetAddressSpaceAttr as) {
return getPointerTo(cir::VoidType::get(getContext()), as);
}
cir::BoolAttr getCIRBoolAttr(bool state) {
return cir::BoolAttr::get(getContext(), state);
}
cir::BoolAttr getTrueAttr() { return getCIRBoolAttr(true); }
cir::BoolAttr getFalseAttr() { return getCIRBoolAttr(false); }
mlir::Value createComplexCreate(mlir::Location loc, mlir::Value real,
mlir::Value imag) {
auto resultComplexTy = cir::ComplexType::get(real.getType());
return cir::ComplexCreateOp::create(*this, loc, resultComplexTy, real,
imag);
}
mlir::Value createComplexReal(mlir::Location loc, mlir::Value operand) {
auto resultType = operand.getType();
if (auto complexResultType = mlir::dyn_cast<cir::ComplexType>(resultType))
resultType = complexResultType.getElementType();
return cir::ComplexRealOp::create(*this, loc, resultType, operand);
}
mlir::Value createComplexImag(mlir::Location loc, mlir::Value operand) {
auto resultType = operand.getType();
if (auto complexResultType = mlir::dyn_cast<cir::ComplexType>(resultType))
resultType = complexResultType.getElementType();
return cir::ComplexImagOp::create(*this, loc, resultType, operand);
}
cir::LoadOp createLoad(mlir::Location loc, mlir::Value ptr,
bool isVolatile = false, uint64_t alignment = 0) {
mlir::IntegerAttr alignmentAttr = getAlignmentAttr(alignment);
return cir::LoadOp::create(*this, loc, ptr, /*isDeref=*/false, isVolatile,
alignmentAttr, cir::SyncScopeKindAttr{},
cir::MemOrderAttr{});
}
mlir::Value createAlignedLoad(mlir::Location loc, mlir::Value ptr,
uint64_t alignment) {
return createLoad(loc, ptr, /*isVolatile=*/false, alignment);
}
mlir::Value createNot(mlir::Value value) {
return cir::UnaryOp::create(*this, value.getLoc(), value.getType(),
cir::UnaryOpKind::Not, value);
}
/// Create a do-while operation.
cir::DoWhileOp createDoWhile(
mlir::Location loc,
llvm::function_ref<void(mlir::OpBuilder &, mlir::Location)> condBuilder,
llvm::function_ref<void(mlir::OpBuilder &, mlir::Location)> bodyBuilder) {
return cir::DoWhileOp::create(*this, loc, condBuilder, bodyBuilder);
}
/// Create a while operation.
cir::WhileOp createWhile(
mlir::Location loc,
llvm::function_ref<void(mlir::OpBuilder &, mlir::Location)> condBuilder,
llvm::function_ref<void(mlir::OpBuilder &, mlir::Location)> bodyBuilder) {
return cir::WhileOp::create(*this, loc, condBuilder, bodyBuilder);
}
/// Create a for operation.
cir::ForOp createFor(
mlir::Location loc,
llvm::function_ref<void(mlir::OpBuilder &, mlir::Location)> condBuilder,
llvm::function_ref<void(mlir::OpBuilder &, mlir::Location)> bodyBuilder,
llvm::function_ref<void(mlir::OpBuilder &, mlir::Location)> stepBuilder) {
return cir::ForOp::create(*this, loc, condBuilder, bodyBuilder,
stepBuilder);
}
/// Create a break operation.
cir::BreakOp createBreak(mlir::Location loc) {
return cir::BreakOp::create(*this, loc);
}
/// Create a continue operation.
cir::ContinueOp createContinue(mlir::Location loc) {
return cir::ContinueOp::create(*this, loc);
}
mlir::Value createUnaryOp(mlir::Location loc, cir::UnaryOpKind kind,
mlir::Value operand) {
return cir::UnaryOp::create(*this, loc, kind, operand);
}
mlir::TypedAttr getConstPtrAttr(mlir::Type type, int64_t value) {
return cir::ConstPtrAttr::get(type, getI64IntegerAttr(value));
}
mlir::Value createAlloca(mlir::Location loc, cir::PointerType addrType,
mlir::Type type, llvm::StringRef name,
mlir::IntegerAttr alignment,
mlir::Value dynAllocSize) {
return cir::AllocaOp::create(*this, loc, addrType, type, name, alignment,
dynAllocSize);
}
mlir::Value createAlloca(mlir::Location loc, cir::PointerType addrType,
mlir::Type type, llvm::StringRef name,
clang::CharUnits alignment,
mlir::Value dynAllocSize) {
mlir::IntegerAttr alignmentAttr = getAlignmentAttr(alignment);
return createAlloca(loc, addrType, type, name, alignmentAttr, dynAllocSize);
}
mlir::Value createAlloca(mlir::Location loc, cir::PointerType addrType,
mlir::Type type, llvm::StringRef name,
mlir::IntegerAttr alignment) {
return cir::AllocaOp::create(*this, loc, addrType, type, name, alignment);
}
mlir::Value createAlloca(mlir::Location loc, cir::PointerType addrType,
mlir::Type type, llvm::StringRef name,
clang::CharUnits alignment) {
mlir::IntegerAttr alignmentAttr = getAlignmentAttr(alignment);
return createAlloca(loc, addrType, type, name, alignmentAttr);
}
/// Get constant address of a global variable as an MLIR attribute.
/// This wrapper infers the attribute type through the global op.
cir::GlobalViewAttr getGlobalViewAttr(cir::GlobalOp globalOp,
mlir::ArrayAttr indices = {}) {
cir::PointerType type = getPointerTo(globalOp.getSymType());
return getGlobalViewAttr(type, globalOp, indices);
}
/// Get constant address of a global variable as an MLIR attribute.
cir::GlobalViewAttr getGlobalViewAttr(cir::PointerType type,
cir::GlobalOp globalOp,
mlir::ArrayAttr indices = {}) {
auto symbol = mlir::FlatSymbolRefAttr::get(globalOp.getSymNameAttr());
return cir::GlobalViewAttr::get(type, symbol, indices);
}
mlir::Value createGetGlobal(mlir::Location loc, cir::GlobalOp global,
bool threadLocal = false) {
assert(!cir::MissingFeatures::addressSpace());
return cir::GetGlobalOp::create(*this, loc,
getPointerTo(global.getSymType()),
global.getSymNameAttr(), threadLocal);
}
mlir::Value createGetGlobal(cir::GlobalOp global, bool threadLocal = false) {
return createGetGlobal(global.getLoc(), global, threadLocal);
}
/// Create a copy with inferred length.
cir::CopyOp createCopy(mlir::Value dst, mlir::Value src,
bool isVolatile = false) {
return cir::CopyOp::create(*this, dst.getLoc(), dst, src, isVolatile);
}
cir::StoreOp createStore(mlir::Location loc, mlir::Value val, mlir::Value dst,
bool isVolatile = false,
mlir::IntegerAttr align = {},
cir::SyncScopeKindAttr scope = {},
cir::MemOrderAttr order = {}) {
return cir::StoreOp::create(*this, loc, val, dst, isVolatile, align, scope,
order);
}
/// Emit a load from an boolean flag variable.
cir::LoadOp createFlagLoad(mlir::Location loc, mlir::Value addr) {
mlir::Type boolTy = getBoolTy();
if (boolTy != mlir::cast<cir::PointerType>(addr.getType()).getPointee())
addr = createPtrBitcast(addr, boolTy);
return createLoad(loc, addr, /*isVolatile=*/false, /*alignment=*/1);
}
cir::StoreOp createFlagStore(mlir::Location loc, bool val, mlir::Value dst) {
mlir::Value flag = getBool(val, loc);
return CIRBaseBuilderTy::createStore(loc, flag, dst);
}
[[nodiscard]] cir::GlobalOp createGlobal(mlir::ModuleOp mlirModule,
mlir::Location loc,
mlir::StringRef name,
mlir::Type type, bool isConstant,
cir::GlobalLinkageKind linkage) {
mlir::OpBuilder::InsertionGuard guard(*this);
setInsertionPointToStart(mlirModule.getBody());
return cir::GlobalOp::create(*this, loc, name, type, isConstant, linkage);
}
cir::GetMemberOp createGetMember(mlir::Location loc, mlir::Type resultTy,
mlir::Value base, llvm::StringRef name,
unsigned index) {
return cir::GetMemberOp::create(*this, loc, resultTy, base, name, index);
}
mlir::Value createDummyValue(mlir::Location loc, mlir::Type type,
clang::CharUnits alignment) {
mlir::IntegerAttr alignmentAttr = getAlignmentAttr(alignment);
auto addr = createAlloca(loc, getPointerTo(type), type, {}, alignmentAttr);
return cir::LoadOp::create(*this, loc, addr, /*isDeref=*/false,
/*isVolatile=*/false, alignmentAttr,
/*sync_scope=*/{}, /*mem_order=*/{});
}
cir::PtrStrideOp createPtrStride(mlir::Location loc, mlir::Value base,
mlir::Value stride) {
return cir::PtrStrideOp::create(*this, loc, base.getType(), base, stride);
}
//===--------------------------------------------------------------------===//
// Call operators
//===--------------------------------------------------------------------===//
cir::CallOp createCallOp(mlir::Location loc, mlir::SymbolRefAttr callee,
mlir::Type returnType, mlir::ValueRange operands,
llvm::ArrayRef<mlir::NamedAttribute> attrs = {}) {
auto op = cir::CallOp::create(*this, loc, callee, returnType, operands);
op->setAttrs(attrs);
return op;
}
cir::CallOp createCallOp(mlir::Location loc, cir::FuncOp callee,
mlir::ValueRange operands,
llvm::ArrayRef<mlir::NamedAttribute> attrs = {}) {
return createCallOp(loc, mlir::SymbolRefAttr::get(callee),
callee.getFunctionType().getReturnType(), operands,
attrs);
}
cir::CallOp
createIndirectCallOp(mlir::Location loc, mlir::Value indirectTarget,
cir::FuncType funcType, mlir::ValueRange operands,
llvm::ArrayRef<mlir::NamedAttribute> attrs = {}) {
llvm::SmallVector<mlir::Value> resOperands{indirectTarget};
resOperands.append(operands.begin(), operands.end());
return createCallOp(loc, mlir::SymbolRefAttr(), funcType.getReturnType(),
resOperands, attrs);
}
cir::CallOp createCallOp(mlir::Location loc, mlir::SymbolRefAttr callee,
mlir::ValueRange operands = mlir::ValueRange(),
llvm::ArrayRef<mlir::NamedAttribute> attrs = {}) {
return createCallOp(loc, callee, cir::VoidType(), operands, attrs);
}
//===--------------------------------------------------------------------===//
// Cast/Conversion Operators
//===--------------------------------------------------------------------===//
mlir::Value createCast(mlir::Location loc, cir::CastKind kind,
mlir::Value src, mlir::Type newTy) {
if (newTy == src.getType())
return src;
return cir::CastOp::create(*this, loc, newTy, kind, src);
}
mlir::Value createCast(cir::CastKind kind, mlir::Value src,
mlir::Type newTy) {
if (newTy == src.getType())
return src;
return createCast(src.getLoc(), kind, src, newTy);
}
mlir::Value createIntCast(mlir::Value src, mlir::Type newTy) {
return createCast(cir::CastKind::integral, src, newTy);
}
mlir::Value createIntToPtr(mlir::Value src, mlir::Type newTy) {
return createCast(cir::CastKind::int_to_ptr, src, newTy);
}
mlir::Value createPtrToInt(mlir::Value src, mlir::Type newTy) {
return createCast(cir::CastKind::ptr_to_int, src, newTy);
}
mlir::Value createPtrToBoolCast(mlir::Value v) {
return createCast(cir::CastKind::ptr_to_bool, v, getBoolTy());
}
mlir::Value createBoolToInt(mlir::Value src, mlir::Type newTy) {
return createCast(cir::CastKind::bool_to_int, src, newTy);
}
mlir::Value createBitcast(mlir::Value src, mlir::Type newTy) {
return createCast(cir::CastKind::bitcast, src, newTy);
}
mlir::Value createBitcast(mlir::Location loc, mlir::Value src,
mlir::Type newTy) {
return createCast(loc, cir::CastKind::bitcast, src, newTy);
}
mlir::Value createPtrBitcast(mlir::Value src, mlir::Type newPointeeTy) {
assert(mlir::isa<cir::PointerType>(src.getType()) && "expected ptr src");
return createBitcast(src, getPointerTo(newPointeeTy));
}
mlir::Value createPtrIsNull(mlir::Value ptr) {
mlir::Value nullPtr = getNullPtr(ptr.getType(), ptr.getLoc());
return createCompare(ptr.getLoc(), cir::CmpOpKind::eq, ptr, nullPtr);
}
mlir::Value createAddrSpaceCast(mlir::Location loc, mlir::Value src,
mlir::Type newTy) {
return createCast(loc, cir::CastKind::address_space, src, newTy);
}
mlir::Value createAddrSpaceCast(mlir::Value src, mlir::Type newTy) {
return createAddrSpaceCast(src.getLoc(), src, newTy);
}
//===--------------------------------------------------------------------===//
// Binary Operators
//===--------------------------------------------------------------------===//
mlir::Value createBinop(mlir::Location loc, mlir::Value lhs,
cir::BinOpKind kind, mlir::Value rhs) {
return cir::BinOp::create(*this, loc, lhs.getType(), kind, lhs, rhs);
}
mlir::Value createLowBitsSet(mlir::Location loc, unsigned size,
unsigned bits) {
llvm::APInt val = llvm::APInt::getLowBitsSet(size, bits);
auto type = cir::IntType::get(getContext(), size, /*isSigned=*/false);
return getConstAPInt(loc, type, val);
}
mlir::Value createAnd(mlir::Location loc, mlir::Value lhs, mlir::Value rhs) {
return createBinop(loc, lhs, cir::BinOpKind::And, rhs);
}
mlir::Value createOr(mlir::Location loc, mlir::Value lhs, mlir::Value rhs) {
return createBinop(loc, lhs, cir::BinOpKind::Or, rhs);
}
mlir::Value createSelect(mlir::Location loc, mlir::Value condition,
mlir::Value trueValue, mlir::Value falseValue) {
assert(trueValue.getType() == falseValue.getType() &&
"trueValue and falseValue should have the same type");
return cir::SelectOp::create(*this, loc, trueValue.getType(), condition,
trueValue, falseValue);
}
mlir::Value createLogicalAnd(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createSelect(loc, lhs, rhs, getBool(false, loc));
}
mlir::Value createLogicalOr(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createSelect(loc, lhs, getBool(true, loc), rhs);
}
mlir::Value createMul(mlir::Location loc, mlir::Value lhs, mlir::Value rhs,
OverflowBehavior ob = OverflowBehavior::None) {
auto op = cir::BinOp::create(*this, loc, lhs.getType(), cir::BinOpKind::Mul,
lhs, rhs);
op.setNoUnsignedWrap(
llvm::to_underlying(ob & OverflowBehavior::NoUnsignedWrap));
op.setNoSignedWrap(
llvm::to_underlying(ob & OverflowBehavior::NoSignedWrap));
return op;
}
mlir::Value createNSWMul(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createMul(loc, lhs, rhs, OverflowBehavior::NoSignedWrap);
}
mlir::Value createNUWAMul(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createMul(loc, lhs, rhs, OverflowBehavior::NoUnsignedWrap);
}
mlir::Value createSub(mlir::Location loc, mlir::Value lhs, mlir::Value rhs,
OverflowBehavior ob = OverflowBehavior::Saturated) {
auto op = cir::BinOp::create(*this, loc, lhs.getType(), cir::BinOpKind::Sub,
lhs, rhs);
op.setNoUnsignedWrap(
llvm::to_underlying(ob & OverflowBehavior::NoUnsignedWrap));
op.setNoSignedWrap(
llvm::to_underlying(ob & OverflowBehavior::NoSignedWrap));
op.setSaturated(llvm::to_underlying(ob & OverflowBehavior::Saturated));
return op;
}
mlir::Value createNSWSub(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createSub(loc, lhs, rhs, OverflowBehavior::NoSignedWrap);
}
mlir::Value createNUWSub(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createSub(loc, lhs, rhs, OverflowBehavior::NoUnsignedWrap);
}
mlir::Value createAdd(mlir::Location loc, mlir::Value lhs, mlir::Value rhs,
OverflowBehavior ob = OverflowBehavior::None) {
auto op = cir::BinOp::create(*this, loc, lhs.getType(), cir::BinOpKind::Add,
lhs, rhs);
op.setNoUnsignedWrap(
llvm::to_underlying(ob & OverflowBehavior::NoUnsignedWrap));
op.setNoSignedWrap(
llvm::to_underlying(ob & OverflowBehavior::NoSignedWrap));
op.setSaturated(llvm::to_underlying(ob & OverflowBehavior::Saturated));
return op;
}
mlir::Value createNSWAdd(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createAdd(loc, lhs, rhs, OverflowBehavior::NoSignedWrap);
}
mlir::Value createNUWAdd(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createAdd(loc, lhs, rhs, OverflowBehavior::NoUnsignedWrap);
}
cir::CmpOp createCompare(mlir::Location loc, cir::CmpOpKind kind,
mlir::Value lhs, mlir::Value rhs) {
return cir::CmpOp::create(*this, loc, kind, lhs, rhs);
}
cir::VecCmpOp createVecCompare(mlir::Location loc, cir::CmpOpKind kind,
mlir::Value lhs, mlir::Value rhs) {
VectorType vecCast = mlir::cast<VectorType>(lhs.getType());
IntType integralTy =
getSIntNTy(getCIRIntOrFloatBitWidth(vecCast.getElementType()));
VectorType integralVecTy =
cir::VectorType::get(integralTy, vecCast.getSize());
return cir::VecCmpOp::create(*this, loc, integralVecTy, kind, lhs, rhs);
}
mlir::Value createIsNaN(mlir::Location loc, mlir::Value operand) {
return createCompare(loc, cir::CmpOpKind::ne, operand, operand);
}
mlir::Value createShift(mlir::Location loc, mlir::Value lhs, mlir::Value rhs,
bool isShiftLeft) {
return cir::ShiftOp::create(*this, loc, lhs.getType(), lhs, rhs,
isShiftLeft);
}
mlir::Value createShift(mlir::Location loc, mlir::Value lhs,
const llvm::APInt &rhs, bool isShiftLeft) {
return createShift(loc, lhs, getConstAPInt(loc, lhs.getType(), rhs),
isShiftLeft);
}
mlir::Value createShift(mlir::Location loc, mlir::Value lhs, unsigned bits,
bool isShiftLeft) {
auto width = mlir::dyn_cast<cir::IntType>(lhs.getType()).getWidth();
auto shift = llvm::APInt(width, bits);
return createShift(loc, lhs, shift, isShiftLeft);
}
mlir::Value createShiftLeft(mlir::Location loc, mlir::Value lhs,
unsigned bits) {
return createShift(loc, lhs, bits, true);
}
mlir::Value createShiftRight(mlir::Location loc, mlir::Value lhs,
unsigned bits) {
return createShift(loc, lhs, bits, false);
}
mlir::Value createShiftLeft(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createShift(loc, lhs, rhs, true);
}
mlir::Value createShiftRight(mlir::Location loc, mlir::Value lhs,
mlir::Value rhs) {
return createShift(loc, lhs, rhs, false);
}
//
// Block handling helpers
// ----------------------
//
static OpBuilder::InsertPoint getBestAllocaInsertPoint(mlir::Block *block) {
auto last =
std::find_if(block->rbegin(), block->rend(), [](mlir::Operation &op) {
return mlir::isa<cir::AllocaOp, cir::LabelOp>(&op);
});
if (last != block->rend())
return OpBuilder::InsertPoint(block, ++mlir::Block::iterator(&*last));
return OpBuilder::InsertPoint(block, block->begin());
};
//
// Alignment and size helpers
//
// Note that mlir::IntegerType is used instead of cir::IntType here because we
// don't need sign information for these to be useful, so keep it simple.
// For 0 alignment, any overload of `getAlignmentAttr` returns an empty
// attribute.
mlir::IntegerAttr getAlignmentAttr(clang::CharUnits alignment) {
return getAlignmentAttr(alignment.getQuantity());
}
mlir::IntegerAttr getAlignmentAttr(llvm::Align alignment) {
return getAlignmentAttr(alignment.value());
}
mlir::IntegerAttr getAlignmentAttr(int64_t alignment) {
return alignment ? getI64IntegerAttr(alignment) : mlir::IntegerAttr();
}
mlir::IntegerAttr getSizeFromCharUnits(clang::CharUnits size) {
return getI64IntegerAttr(size.getQuantity());
}
// Creates constant nullptr for pointer type ty.
cir::ConstantOp getNullPtr(mlir::Type ty, mlir::Location loc) {
assert(!cir::MissingFeatures::targetCodeGenInfoGetNullPointer());
return cir::ConstantOp::create(*this, loc, getConstPtrAttr(ty, 0));
}
/// Create a loop condition.
cir::ConditionOp createCondition(mlir::Value condition) {
return cir::ConditionOp::create(*this, condition.getLoc(), condition);
}
/// Create a yield operation.
cir::YieldOp createYield(mlir::Location loc, mlir::ValueRange value = {}) {
return cir::YieldOp::create(*this, loc, value);
}
};
} // namespace cir
#endif