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Diffstat (limited to 'lib/Target/AMDIL/AMDILUtilityFunctions.cpp')
| -rw-r--r-- | lib/Target/AMDIL/AMDILUtilityFunctions.cpp | 683 |
1 files changed, 683 insertions, 0 deletions
diff --git a/lib/Target/AMDIL/AMDILUtilityFunctions.cpp b/lib/Target/AMDIL/AMDILUtilityFunctions.cpp new file mode 100644 index 00000000000..f2ef4eb7771 --- /dev/null +++ b/lib/Target/AMDIL/AMDILUtilityFunctions.cpp @@ -0,0 +1,683 @@ +//===-- AMDILUtilityFunctions.cpp - AMDIL Utility Functions ---------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//==-----------------------------------------------------------------------===// +// +// This file provides the implementations of functions that are declared in the +// AMDILUtilityFUnctions.h file. +// +//===----------------------------------------------------------------------===// +#include "AMDILUtilityFunctions.h" +#include "AMDILISelLowering.h" +#include "llvm/ADT/ValueMap.h" +#include "llvm/CodeGen/MachineInstr.h" +#include "llvm/Constants.h" +#include "llvm/DerivedTypes.h" +#include "llvm/Instruction.h" +#include "llvm/Instructions.h" +#include "llvm/Support/Debug.h" +#include "llvm/Support/FormattedStream.h" +#include "llvm/Type.h" + +#include <cstdio> +#include <list> +#include <queue> + +#define GET_OPCODE_NAME(TII, MI) \ + TII->getName(MI->getOpcode()) + + +using namespace llvm; +int64_t GET_SCALAR_SIZE(llvm::Type *A) { + return A->getScalarSizeInBits(); +} + +const TargetRegisterClass * getRegClassFromID(unsigned int ID) { + switch (ID) { + default: + assert(0 && "Passed in ID does not match any register classes."); + return NULL; + case AMDIL::GPRI8RegClassID: + return &AMDIL::GPRI8RegClass; + case AMDIL::GPRI16RegClassID: + return &AMDIL::GPRI16RegClass; + case AMDIL::GPRI32RegClassID: + return &AMDIL::GPRI32RegClass; + case AMDIL::GPRF32RegClassID: + return &AMDIL::GPRF32RegClass; + case AMDIL::GPRI64RegClassID: + return &AMDIL::GPRI64RegClass; + case AMDIL::GPRF64RegClassID: + return &AMDIL::GPRF64RegClass; + case AMDIL::GPRV4F32RegClassID: + return &AMDIL::GPRV4F32RegClass; + case AMDIL::GPRV4I8RegClassID: + return &AMDIL::GPRV4I8RegClass; + case AMDIL::GPRV4I16RegClassID: + return &AMDIL::GPRV4I16RegClass; + case AMDIL::GPRV4I32RegClassID: + return &AMDIL::GPRV4I32RegClass; + case AMDIL::GPRV2F32RegClassID: + return &AMDIL::GPRV2F32RegClass; + case AMDIL::GPRV2I8RegClassID: + return &AMDIL::GPRV2I8RegClass; + case AMDIL::GPRV2I16RegClassID: + return &AMDIL::GPRV2I16RegClass; + case AMDIL::GPRV2I32RegClassID: + return &AMDIL::GPRV2I32RegClass; + case AMDIL::GPRV2F64RegClassID: + return &AMDIL::GPRV2F64RegClass; + case AMDIL::GPRV2I64RegClassID: + return &AMDIL::GPRV2I64RegClass; + }; +} + +unsigned int getMoveInstFromID(unsigned int ID) { + switch (ID) { + default: + assert(0 && "Passed in ID does not match any move instructions."); + case AMDIL::GPRI8RegClassID: + return AMDIL::MOVE_i8; + case AMDIL::GPRI16RegClassID: + return AMDIL::MOVE_i16; + case AMDIL::GPRI32RegClassID: + return AMDIL::MOVE_i32; + case AMDIL::GPRF32RegClassID: + return AMDIL::MOVE_f32; + case AMDIL::GPRI64RegClassID: + return AMDIL::MOVE_i64; + case AMDIL::GPRF64RegClassID: + return AMDIL::MOVE_f64; + case AMDIL::GPRV4F32RegClassID: + return AMDIL::MOVE_v4f32; + case AMDIL::GPRV4I8RegClassID: + return AMDIL::MOVE_v4i8; + case AMDIL::GPRV4I16RegClassID: + return AMDIL::MOVE_v4i16; + case AMDIL::GPRV4I32RegClassID: + return AMDIL::MOVE_v4i32; + case AMDIL::GPRV2F32RegClassID: + return AMDIL::MOVE_v2f32; + case AMDIL::GPRV2I8RegClassID: + return AMDIL::MOVE_v2i8; + case AMDIL::GPRV2I16RegClassID: + return AMDIL::MOVE_v2i16; + case AMDIL::GPRV2I32RegClassID: + return AMDIL::MOVE_v2i32; + case AMDIL::GPRV2F64RegClassID: + return AMDIL::MOVE_v2f64; + case AMDIL::GPRV2I64RegClassID: + return AMDIL::MOVE_v2i64; + }; + return -1; +} + +unsigned int getPHIMoveInstFromID(unsigned int ID) { + switch (ID) { + default: + assert(0 && "Passed in ID does not match any move instructions."); + case AMDIL::GPRI8RegClassID: + return AMDIL::PHIMOVE_i8; + case AMDIL::GPRI16RegClassID: + return AMDIL::PHIMOVE_i16; + case AMDIL::GPRI32RegClassID: + return AMDIL::PHIMOVE_i32; + case AMDIL::GPRF32RegClassID: + return AMDIL::PHIMOVE_f32; + case AMDIL::GPRI64RegClassID: + return AMDIL::PHIMOVE_i64; + case AMDIL::GPRF64RegClassID: + return AMDIL::PHIMOVE_f64; + case AMDIL::GPRV4F32RegClassID: + return AMDIL::PHIMOVE_v4f32; + case AMDIL::GPRV4I8RegClassID: + return AMDIL::PHIMOVE_v4i8; + case AMDIL::GPRV4I16RegClassID: + return AMDIL::PHIMOVE_v4i16; + case AMDIL::GPRV4I32RegClassID: + return AMDIL::PHIMOVE_v4i32; + case AMDIL::GPRV2F32RegClassID: + return AMDIL::PHIMOVE_v2f32; + case AMDIL::GPRV2I8RegClassID: + return AMDIL::PHIMOVE_v2i8; + case AMDIL::GPRV2I16RegClassID: + return AMDIL::PHIMOVE_v2i16; + case AMDIL::GPRV2I32RegClassID: + return AMDIL::PHIMOVE_v2i32; + case AMDIL::GPRV2F64RegClassID: + return AMDIL::PHIMOVE_v2f64; + case AMDIL::GPRV2I64RegClassID: + return AMDIL::PHIMOVE_v2i64; + }; + return -1; +} + +const TargetRegisterClass* getRegClassFromType(unsigned int type) { + switch (type) { + default: + assert(0 && "Passed in type does not match any register classes."); + case MVT::i8: + return &AMDIL::GPRI8RegClass; + case MVT::i16: + return &AMDIL::GPRI16RegClass; + case MVT::i32: + return &AMDIL::GPRI32RegClass; + case MVT::f32: + return &AMDIL::GPRF32RegClass; + case MVT::i64: + return &AMDIL::GPRI64RegClass; + case MVT::f64: + return &AMDIL::GPRF64RegClass; + case MVT::v4f32: + return &AMDIL::GPRV4F32RegClass; + case MVT::v4i8: + return &AMDIL::GPRV4I8RegClass; + case MVT::v4i16: + return &AMDIL::GPRV4I16RegClass; + case MVT::v4i32: + return &AMDIL::GPRV4I32RegClass; + case MVT::v2f32: + return &AMDIL::GPRV2F32RegClass; + case MVT::v2i8: + return &AMDIL::GPRV2I8RegClass; + case MVT::v2i16: + return &AMDIL::GPRV2I16RegClass; + case MVT::v2i32: + return &AMDIL::GPRV2I32RegClass; + case MVT::v2f64: + return &AMDIL::GPRV2F64RegClass; + case MVT::v2i64: + return &AMDIL::GPRV2I64RegClass; + } +} + +void printSDNode(const SDNode *N) { + printf("Opcode: %d isTargetOpcode: %d isMachineOpcode: %d\n", + N->getOpcode(), N->isTargetOpcode(), N->isMachineOpcode()); + printf("Empty: %d OneUse: %d Size: %d NodeID: %d\n", + N->use_empty(), N->hasOneUse(), (int)N->use_size(), N->getNodeId()); + for (unsigned int i = 0; i < N->getNumOperands(); ++i) { + printf("OperandNum: %d ValueCount: %d ValueType: %d\n", + i, N->getNumValues(), N->getValueType(0) .getSimpleVT().SimpleTy); + printSDValue(N->getOperand(i), 0); + } +} + +void printSDValue(const SDValue &Op, int level) { + printf("\nOp: %p OpCode: %d NumOperands: %d ", (void*)&Op, Op.getOpcode(), + Op.getNumOperands()); + printf("IsTarget: %d IsMachine: %d ", Op.isTargetOpcode(), + Op.isMachineOpcode()); + if (Op.isMachineOpcode()) { + printf("MachineOpcode: %d\n", Op.getMachineOpcode()); + } else { + printf("\n"); + } + EVT vt = Op.getValueType(); + printf("ValueType: %d \n", vt.getSimpleVT().SimpleTy); + printf("UseEmpty: %d OneUse: %d\n", Op.use_empty(), Op.hasOneUse()); + if (level) { + printf("Children for %d:\n", level); + for (unsigned int i = 0; i < Op.getNumOperands(); ++i) { + printf("Child %d->%d:", level, i); + printSDValue(Op.getOperand(i), level - 1); + } + } +} + +bool isPHIMove(unsigned int opcode) { + switch (opcode) { + default: + return false; + ExpandCaseToAllTypes(AMDIL::PHIMOVE); + return true; + } + return false; +} + +bool isMove(unsigned int opcode) { + switch (opcode) { + default: + return false; + ExpandCaseToAllTypes(AMDIL::MOVE); + return true; + } + return false; +} + +bool isMoveOrEquivalent(unsigned int opcode) { + switch (opcode) { + default: + return isMove(opcode) || isPHIMove(opcode); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASCHAR); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASSHORT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASINT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASLONG); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASDOUBLE); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASFLOAT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV2CHAR); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV2SHORT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV2INT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV2FLOAT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV2LONG); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV2DOUBLE); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV4CHAR); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV4SHORT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV4INT); + ExpandCaseToAllScalarTypes(AMDIL::IL_ASV4FLOAT); + case AMDIL::INTTOANY_i8: + case AMDIL::INTTOANY_i16: + case AMDIL::INTTOANY_i32: + case AMDIL::INTTOANY_f32: + case AMDIL::DLO: + case AMDIL::LLO: + case AMDIL::LLO_v2i64: + return true; + }; + return false; +} + +bool check_type(const Value *ptr, unsigned int addrspace) { + if (!ptr) { + return false; + } + Type *ptrType = ptr->getType(); + return dyn_cast<PointerType>(ptrType)->getAddressSpace() == addrspace; +} + +size_t getTypeSize(Type * const T, bool dereferencePtr) { + size_t size = 0; + if (!T) { + return size; + } + switch (T->getTypeID()) { + case Type::X86_FP80TyID: + case Type::FP128TyID: + case Type::PPC_FP128TyID: + case Type::LabelTyID: + assert(0 && "These types are not supported by this backend"); + default: + case Type::FloatTyID: + case Type::DoubleTyID: + size = T->getPrimitiveSizeInBits() >> 3; + break; + case Type::PointerTyID: + size = getTypeSize(dyn_cast<PointerType>(T), dereferencePtr); + break; + case Type::IntegerTyID: + size = getTypeSize(dyn_cast<IntegerType>(T), dereferencePtr); + break; + case Type::StructTyID: + size = getTypeSize(dyn_cast<StructType>(T), dereferencePtr); + break; + case Type::ArrayTyID: + size = getTypeSize(dyn_cast<ArrayType>(T), dereferencePtr); + break; + case Type::FunctionTyID: + size = getTypeSize(dyn_cast<FunctionType>(T), dereferencePtr); + break; + case Type::VectorTyID: + size = getTypeSize(dyn_cast<VectorType>(T), dereferencePtr); + break; + }; + return size; +} + +size_t getTypeSize(StructType * const ST, bool dereferencePtr) { + size_t size = 0; + if (!ST) { + return size; + } + Type *curType; + StructType::element_iterator eib; + StructType::element_iterator eie; + for (eib = ST->element_begin(), eie = ST->element_end(); eib != eie; ++eib) { + curType = *eib; + size += getTypeSize(curType, dereferencePtr); + } + return size; +} + +size_t getTypeSize(IntegerType * const IT, bool dereferencePtr) { + return IT ? (IT->getBitWidth() >> 3) : 0; +} + +size_t getTypeSize(FunctionType * const FT, bool dereferencePtr) { + assert(0 && "Should not be able to calculate the size of an function type"); + return 0; +} + +size_t getTypeSize(ArrayType * const AT, bool dereferencePtr) { + return (size_t)(AT ? (getTypeSize(AT->getElementType(), + dereferencePtr) * AT->getNumElements()) + : 0); +} + +size_t getTypeSize(VectorType * const VT, bool dereferencePtr) { + return VT ? (VT->getBitWidth() >> 3) : 0; +} + +size_t getTypeSize(PointerType * const PT, bool dereferencePtr) { + if (!PT) { + return 0; + } + Type *CT = PT->getElementType(); + if (CT->getTypeID() == Type::StructTyID && + PT->getAddressSpace() == AMDILAS::PRIVATE_ADDRESS) { + return getTypeSize(dyn_cast<StructType>(CT)); + } else if (dereferencePtr) { + size_t size = 0; + for (size_t x = 0, y = PT->getNumContainedTypes(); x < y; ++x) { + size += getTypeSize(PT->getContainedType(x), dereferencePtr); + } + return size; + } else { + return 4; + } +} + +size_t getTypeSize(OpaqueType * const OT, bool dereferencePtr) { + //assert(0 && "Should not be able to calculate the size of an opaque type"); + return 4; +} + +size_t getNumElements(Type * const T) { + size_t size = 0; + if (!T) { + return size; + } + switch (T->getTypeID()) { + case Type::X86_FP80TyID: + case Type::FP128TyID: + case Type::PPC_FP128TyID: + case Type::LabelTyID: + assert(0 && "These types are not supported by this backend"); + default: + case Type::FloatTyID: + case Type::DoubleTyID: + size = 1; + break; + case Type::PointerTyID: + size = getNumElements(dyn_cast<PointerType>(T)); + break; + case Type::IntegerTyID: + size = getNumElements(dyn_cast<IntegerType>(T)); + break; + case Type::StructTyID: + size = getNumElements(dyn_cast<StructType>(T)); + break; + case Type::ArrayTyID: + size = getNumElements(dyn_cast<ArrayType>(T)); + break; + case Type::FunctionTyID: + size = getNumElements(dyn_cast<FunctionType>(T)); + break; + case Type::VectorTyID: + size = getNumElements(dyn_cast<VectorType>(T)); + break; + }; + return size; +} + +size_t getNumElements(StructType * const ST) { + size_t size = 0; + if (!ST) { + return size; + } + Type *curType; + StructType::element_iterator eib; + StructType::element_iterator eie; + for (eib = ST->element_begin(), eie = ST->element_end(); + eib != eie; ++eib) { + curType = *eib; + size += getNumElements(curType); + } + return size; +} + +size_t getNumElements(IntegerType * const IT) { + return (!IT) ? 0 : 1; +} + +size_t getNumElements(FunctionType * const FT) { + assert(0 && "Should not be able to calculate the number of " + "elements of a function type"); + return 0; +} + +size_t getNumElements(ArrayType * const AT) { + return (!AT) ? 0 + : (size_t)(getNumElements(AT->getElementType()) * + AT->getNumElements()); +} + +size_t getNumElements(VectorType * const VT) { + return (!VT) ? 0 + : VT->getNumElements() * getNumElements(VT->getElementType()); +} + +size_t getNumElements(PointerType * const PT) { + size_t size = 0; + if (!PT) { + return size; + } + for (size_t x = 0, y = PT->getNumContainedTypes(); x < y; ++x) { + size += getNumElements(PT->getContainedType(x)); + } + return size; +} + +const llvm::Value *getBasePointerValue(const llvm::Value *V) +{ + if (!V) { + return NULL; + } + const Value *ret = NULL; + ValueMap<const Value *, bool> ValueBitMap; + std::queue<const Value *, std::list<const Value *> > ValueQueue; + ValueQueue.push(V); + while (!ValueQueue.empty()) { + V = ValueQueue.front(); + if (ValueBitMap.find(V) == ValueBitMap.end()) { + ValueBitMap[V] = true; + if (dyn_cast<Argument>(V) && dyn_cast<PointerType>(V->getType())) { + ret = V; + break; + } else if (dyn_cast<GlobalVariable>(V)) { + ret = V; + break; + } else if (dyn_cast<Constant>(V)) { + const ConstantExpr *CE = dyn_cast<ConstantExpr>(V); + if (CE) { + ValueQueue.push(CE->getOperand(0)); + } + } else if (const AllocaInst *AI = dyn_cast<AllocaInst>(V)) { + ret = AI; + break; + } else if (const Instruction *I = dyn_cast<Instruction>(V)) { + uint32_t numOps = I->getNumOperands(); + for (uint32_t x = 0; x < numOps; ++x) { + ValueQueue.push(I->getOperand(x)); + } + } else { + // assert(0 && "Found a Value that we didn't know how to handle!"); + } + } + ValueQueue.pop(); + } + return ret; +} + +const llvm::Value *getBasePointerValue(const llvm::MachineInstr *MI) { + const Value *moVal = NULL; + if (!MI->memoperands_empty()) { + const MachineMemOperand *memOp = (*MI->memoperands_begin()); + moVal = memOp ? memOp->getValue() : NULL; + moVal = getBasePointerValue(moVal); + } + return moVal; +} + +bool commaPrint(int i, llvm::raw_ostream &O) { + O << ":" << i; + return false; +} + +bool isLoadInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + if (strstr(GET_OPCODE_NAME(TII, MI), "LOADCONST")) { + return false; + } + return strstr(GET_OPCODE_NAME(TII, MI), "LOAD"); +} + +bool isSWSExtLoadInst(MachineInstr *MI) +{ +switch (MI->getOpcode()) { + default: + break; + ExpandCaseToByteShortTypes(AMDIL::LOCALLOAD); + ExpandCaseToByteShortTypes(AMDIL::GLOBALLOAD); + ExpandCaseToByteShortTypes(AMDIL::REGIONLOAD); + ExpandCaseToByteShortTypes(AMDIL::PRIVATELOAD); + ExpandCaseToByteShortTypes(AMDIL::CPOOLLOAD); + ExpandCaseToByteShortTypes(AMDIL::CONSTANTLOAD); + return true; + }; + return false; +} + +bool isExtLoadInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + return strstr(GET_OPCODE_NAME(TII, MI), "EXTLOAD"); +} + +bool isSExtLoadInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + return strstr(GET_OPCODE_NAME(TII, MI), "SEXTLOAD"); +} + +bool isAExtLoadInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + return strstr(GET_OPCODE_NAME(TII, MI), "AEXTLOAD"); +} + +bool isZExtLoadInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + return strstr(GET_OPCODE_NAME(TII, MI), "ZEXTLOAD"); +} + +bool isStoreInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + return strstr(GET_OPCODE_NAME(TII, MI), "STORE"); +} + +bool isTruncStoreInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + return strstr(GET_OPCODE_NAME(TII, MI), "TRUNCSTORE"); +} + +bool isAtomicInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + return strstr(GET_OPCODE_NAME(TII, MI), "ATOM"); +} + +bool isVolatileInst(const llvm::TargetInstrInfo * TII, MachineInstr *MI) { + if (!MI->memoperands_empty()) { + for (MachineInstr::mmo_iterator mob = MI->memoperands_begin(), + moe = MI->memoperands_end(); mob != moe; ++mob) { + // If there is a volatile mem operand, this is a volatile instruction. + if ((*mob)->isVolatile()) { + return true; + } + } + } + return false; +} +bool isGlobalInst(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "GLOBAL"); +} +bool isPrivateInst(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "PRIVATE"); +} +bool isConstantInst(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "CONSTANT") + || strstr(GET_OPCODE_NAME(TII, MI), "CPOOL"); +} +bool isRegionInst(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "REGION"); +} +bool isLocalInst(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "LOCAL"); +} +bool isImageInst(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "IMAGE"); +} +bool isAppendInst(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "APPEND"); +} +bool isRegionAtomic(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "ATOM_R"); +} +bool isLocalAtomic(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "ATOM_L"); +} +bool isGlobalAtomic(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "ATOM_G") + || isArenaAtomic(TII, MI); +} +bool isArenaAtomic(const llvm::TargetInstrInfo * TII, llvm::MachineInstr *MI) +{ + return strstr(GET_OPCODE_NAME(TII, MI), "ATOM_A"); +} + +const char* getSrcSwizzle(unsigned idx) { + const char *srcSwizzles[] = { + "", ".x000", ".0x00", ".00x0", ".000x", ".y000", ".0y00", ".00y0", ".000y", + ".z000", ".0z00", ".00z0", ".000z", ".w000", ".0w00", ".00w0", ".000w", + ".xy00", ".00xy", ".zw00", ".00zw", ".xyz0", ".0xyz", ".xyzw", ".0000", + ".xxxx", ".yyyy", ".zzzz", ".wwww", ".xyxy", ".zwzw", ".xzxz", ".ywyw", + ".x0y0", ".0x0y", ".xy_neg(y)", "_neg(yw)", "_neg(x)", ".xy_neg(xy)", + "_neg(xyzw)", ".0yzw", ".x0zw", ".xy0w", ".x", ".y", ".z", ".w", ".xy", + ".zw" + }; + assert(idx < sizeof(srcSwizzles)/sizeof(srcSwizzles[0]) + && "Idx passed in is invalid!"); + return srcSwizzles[idx]; +} +const char* getDstSwizzle(unsigned idx) { + const char *dstSwizzles[] = { + "", ".x___", ".xy__", ".xyz_", ".xyzw", "._y__", "._yz_", "._yzw", ".__z_", + ".__zw", ".___w", ".x_zw", ".xy_w", ".x_z_", ".x__w", "._y_w", + }; + assert(idx < sizeof(dstSwizzles)/sizeof(dstSwizzles[0]) + && "Idx passed in is invalid!"); + return dstSwizzles[idx]; +} +/// Helper function to get the currently set flags +void getAsmPrinterFlags(MachineInstr *MI, AMDILAS::InstrResEnc &curRes) +{ + // We need 16 bits of information, but LLVMr127097 cut the field in half. + // So we have to use two different fields to store all of our information. + uint16_t upper = MI->getFlags() << 8; + uint16_t lower = MI->getAsmPrinterFlags(); + curRes.u16all = upper | lower; +} +/// Helper function to clear the currently set flags and add the new flags. +void setAsmPrinterFlags(MachineInstr *MI, AMDILAS::InstrResEnc &curRes) +{ + // We need 16 bits of information, but LLVMr127097 cut the field in half. + // So we have to use two different fields to store all of our information. + MI->clearAsmPrinterFlags(); + MI->setFlags(0); + uint8_t lower = curRes.u16all & 0xFF; + uint8_t upper = (curRes.u16all >> 8) & 0xFF; + MI->setFlags(upper); + MI->setAsmPrinterFlag((llvm::MachineInstr::CommentFlag)lower); +} |