[llvm] r175634 - Hexagon: Move HexagonMCInst.h to MCTargetDesc/HexagonMCInst.h.
Jyotsna Verma
jverma at codeaurora.org
Wed Feb 20 08:13:27 PST 2013
Author: jverma
Date: Wed Feb 20 10:13:27 2013
New Revision: 175634
URL: http://llvm.org/viewvc/llvm-project?rev=175634&view=rev
Log:
Hexagon: Move HexagonMCInst.h to MCTargetDesc/HexagonMCInst.h.
Add HexagonMCInst class which adds various Hexagon VLIW annotations.
In addition, this class also includes some APIs related to the
constant extenders.
Added:
llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp
llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h
llvm/trunk/test/CodeGen/Hexagon/cext-check.ll
Modified:
llvm/trunk/lib/Target/Hexagon/Hexagon.h
llvm/trunk/lib/Target/Hexagon/HexagonAsmPrinter.cpp
llvm/trunk/lib/Target/Hexagon/HexagonMCInstLower.cpp
llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp
llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.h
llvm/trunk/lib/Target/Hexagon/InstPrinter/LLVMBuild.txt
llvm/trunk/lib/Target/Hexagon/MCTargetDesc/CMakeLists.txt
llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
llvm/trunk/test/CodeGen/Hexagon/dualstore.ll
Modified: llvm/trunk/lib/Target/Hexagon/Hexagon.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/Hexagon.h?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/Hexagon.h (original)
+++ llvm/trunk/lib/Target/Hexagon/Hexagon.h Wed Feb 20 10:13:27 2013
@@ -21,9 +21,10 @@
namespace llvm {
class FunctionPass;
+ class ModulePass;
class TargetMachine;
class MachineInstr;
- class MCInst;
+ class HexagonMCInst;
class HexagonAsmPrinter;
class HexagonTargetMachine;
class raw_ostream;
@@ -54,7 +55,7 @@ namespace llvm {
TargetAsmBackend *createHexagonAsmBackend(const Target &,
const std::string &);
*/
- void HexagonLowerToMC(const MachineInstr *MI, MCInst &MCI,
+ void HexagonLowerToMC(const MachineInstr *MI, HexagonMCInst &MCI,
HexagonAsmPrinter &AP);
} // end namespace llvm;
Modified: llvm/trunk/lib/Target/Hexagon/HexagonAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonAsmPrinter.cpp?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonAsmPrinter.cpp Wed Feb 20 10:13:27 2013
@@ -14,12 +14,12 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asm-printer"
-#include "HexagonAsmPrinter.h"
#include "Hexagon.h"
-#include "HexagonMCInst.h"
+#include "HexagonAsmPrinter.h"
#include "HexagonMachineFunctionInfo.h"
-#include "HexagonSubtarget.h"
#include "HexagonTargetMachine.h"
+#include "HexagonSubtarget.h"
+#include "MCTargetDesc/HexagonMCInst.h"
#include "InstPrinter/HexagonInstPrinter.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
@@ -220,8 +220,8 @@ void HexagonAsmPrinter::EmitInstruction(
assert((Size+IgnoreCount) == MI->getBundleSize() && "Corrupt Bundle!");
for (unsigned Index = 0; Index < Size; Index++) {
HexagonMCInst MCI;
- MCI.setStartPacket(Index == 0);
- MCI.setEndPacket(Index == (Size-1));
+ MCI.setPacketStart(Index == 0);
+ MCI.setPacketEnd(Index == (Size-1));
HexagonLowerToMC(BundleMIs[Index], MCI, *this);
OutStreamer.EmitInstruction(MCI);
@@ -230,8 +230,8 @@ void HexagonAsmPrinter::EmitInstruction(
else {
HexagonMCInst MCI;
if (MI->getOpcode() == Hexagon::ENDLOOP0) {
- MCI.setStartPacket(true);
- MCI.setEndPacket(true);
+ MCI.setPacketStart(true);
+ MCI.setPacketEnd(true);
}
HexagonLowerToMC(MI, MCI, *this);
OutStreamer.EmitInstruction(MCI);
Modified: llvm/trunk/lib/Target/Hexagon/HexagonMCInstLower.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/HexagonMCInstLower.cpp?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/HexagonMCInstLower.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/HexagonMCInstLower.cpp Wed Feb 20 10:13:27 2013
@@ -15,6 +15,7 @@
#include "Hexagon.h"
#include "HexagonAsmPrinter.h"
#include "HexagonMachineFunctionInfo.h"
+#include "MCTargetDesc/HexagonMCInst.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/IR/Constants.h"
#include "llvm/MC/MCExpr.h"
@@ -38,9 +39,10 @@ static MCOperand GetSymbolRef(const Mach
}
// Create an MCInst from a MachineInstr
-void llvm::HexagonLowerToMC(const MachineInstr* MI, MCInst& MCI,
+void llvm::HexagonLowerToMC(const MachineInstr* MI, HexagonMCInst& MCI,
HexagonAsmPrinter& AP) {
MCI.setOpcode(MI->getOpcode());
+ MCI.setDesc(MI->getDesc());
for (unsigned i = 0, e = MI->getNumOperands(); i < e; i++) {
const MachineOperand &MO = MI->getOperand(i);
Modified: llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.cpp Wed Feb 20 10:13:27 2013
@@ -12,14 +12,14 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asm-printer"
-#include "HexagonInstPrinter.h"
-#include "Hexagon.h"
#include "HexagonAsmPrinter.h"
-#include "HexagonMCInst.h"
+#include "Hexagon.h"
+#include "HexagonInstPrinter.h"
+#include "MCTargetDesc/HexagonMCInst.h"
+#include "llvm/MC/MCInst.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCInst.h"
#include "llvm/Support/raw_ostream.h"
#include <cstdio>
@@ -28,6 +28,8 @@ using namespace llvm;
#define GET_INSTRUCTION_NAME
#include "HexagonGenAsmWriter.inc"
+const char HexagonInstPrinter::PacketPadding = '\t';
+
StringRef HexagonInstPrinter::getOpcodeName(unsigned Opcode) const {
return MII.getName(Opcode);
}
@@ -43,43 +45,42 @@ void HexagonInstPrinter::printInst(const
void HexagonInstPrinter::printInst(const HexagonMCInst *MI, raw_ostream &O,
StringRef Annot) {
- const char packetPadding[] = " ";
const char startPacket = '{',
endPacket = '}';
// TODO: add outer HW loop when it's supported too.
if (MI->getOpcode() == Hexagon::ENDLOOP0) {
// Ending a harware loop is different from ending an regular packet.
- assert(MI->isEndPacket() && "Loop end must also end the packet");
+ assert(MI->isPacketEnd() && "Loop-end must also end the packet");
- if (MI->isStartPacket()) {
+ if (MI->isPacketStart()) {
// There must be a packet to end a loop.
// FIXME: when shuffling is always run, this shouldn't be needed.
HexagonMCInst Nop;
StringRef NoAnnot;
Nop.setOpcode (Hexagon::NOP);
- Nop.setStartPacket (MI->isStartPacket());
+ Nop.setPacketStart (MI->isPacketStart());
printInst (&Nop, O, NoAnnot);
}
// Close the packet.
- if (MI->isEndPacket())
- O << packetPadding << endPacket;
+ if (MI->isPacketEnd())
+ O << PacketPadding << endPacket;
printInstruction(MI, O);
}
else {
// Prefix the insn opening the packet.
- if (MI->isStartPacket())
- O << packetPadding << startPacket << '\n';
+ if (MI->isPacketStart())
+ O << PacketPadding << startPacket << '\n';
printInstruction(MI, O);
// Suffix the insn closing the packet.
- if (MI->isEndPacket())
+ if (MI->isPacketEnd())
// Suffix the packet in a new line always, since the GNU assembler has
// issues with a closing brace on the same line as CONST{32,64}.
- O << '\n' << packetPadding << endPacket;
+ O << '\n' << PacketPadding << endPacket;
}
printAnnotation(O, Annot);
@@ -102,12 +103,23 @@ void HexagonInstPrinter::printOperand(co
void HexagonInstPrinter::printImmOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) const {
- O << MI->getOperand(OpNo).getImm();
+ const MCOperand& MO = MI->getOperand(OpNo);
+
+ if(MO.isExpr()) {
+ O << *MO.getExpr();
+ } else if(MO.isImm()) {
+ O << MI->getOperand(OpNo).getImm();
+ } else {
+ llvm_unreachable("Unknown operand");
+ }
}
void HexagonInstPrinter::printExtOperand(const MCInst *MI, unsigned OpNo,
raw_ostream &O) const {
- O << MI->getOperand(OpNo).getImm();
+ const HexagonMCInst *HMCI = static_cast<const HexagonMCInst*>(MI);
+ if (HMCI->isConstExtended())
+ O << "#";
+ printOperand(MI, OpNo, O);
}
void HexagonInstPrinter::printUnsignedImmOperand(const MCInst *MI,
Modified: llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.h?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.h (original)
+++ llvm/trunk/lib/Target/Hexagon/InstPrinter/HexagonInstPrinter.h Wed Feb 20 10:13:27 2013
@@ -14,16 +14,18 @@
#ifndef HEXAGONINSTPRINTER_H
#define HEXAGONINSTPRINTER_H
-#include "HexagonMCInst.h"
#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/MC/MCInstrInfo.h"
namespace llvm {
+ class HexagonMCInst;
+
class HexagonInstPrinter : public MCInstPrinter {
public:
explicit HexagonInstPrinter(const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI)
- : MCInstPrinter(MAI, MII, MRI) {}
+ : MCInstPrinter(MAI, MII, MRI), MII(MII) {}
virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
void printInst(const HexagonMCInst *MI, raw_ostream &O, StringRef Annot);
@@ -65,10 +67,19 @@ namespace llvm {
void printSymbolLo(const MCInst *MI, unsigned OpNo, raw_ostream &O) const
{ printSymbol(MI, OpNo, O, false); }
- bool isConstExtended(const MCInst *MI) const;
+ const MCInstrInfo &getMII() const {
+ return MII;
+ }
+
protected:
void printSymbol(const MCInst *MI, unsigned OpNo, raw_ostream &O, bool hi)
const;
+
+ static const char PacketPadding;
+
+ private:
+ const MCInstrInfo &MII;
+
};
} // end namespace llvm
Modified: llvm/trunk/lib/Target/Hexagon/InstPrinter/LLVMBuild.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/InstPrinter/LLVMBuild.txt?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/InstPrinter/LLVMBuild.txt (original)
+++ llvm/trunk/lib/Target/Hexagon/InstPrinter/LLVMBuild.txt Wed Feb 20 10:13:27 2013
@@ -19,5 +19,5 @@
type = Library
name = HexagonAsmPrinter
parent = Hexagon
-required_libraries = MC Support
+required_libraries = HexagonDesc MC Support
add_to_library_groups = Hexagon
Modified: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/CMakeLists.txt?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/CMakeLists.txt (original)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/CMakeLists.txt Wed Feb 20 10:13:27 2013
@@ -1,6 +1,7 @@
add_llvm_library(LLVMHexagonDesc
- HexagonMCTargetDesc.cpp
HexagonMCAsmInfo.cpp
+ HexagonMCInst.cpp
+ HexagonMCTargetDesc.cpp
)
add_dependencies(LLVMHexagonDesc HexagonCommonTableGen)
Added: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp?rev=175634&view=auto
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp (added)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.cpp Wed Feb 20 10:13:27 2013
@@ -0,0 +1,175 @@
+//===- HexagonMCInst.cpp - Hexagon sub-class of MCInst --------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class extends MCInst to allow some Hexagon VLIW annotations.
+//
+//===----------------------------------------------------------------------===//
+
+#include "HexagonInstrInfo.h"
+#include "MCTargetDesc/HexagonBaseInfo.h"
+#include "MCTargetDesc/HexagonMCInst.h"
+#include "MCTargetDesc/HexagonMCTargetDesc.h"
+
+using namespace llvm;
+
+// Return the slots used by the insn.
+unsigned HexagonMCInst::getUnits(const HexagonTargetMachine* TM) const {
+ const HexagonInstrInfo* QII = TM->getInstrInfo();
+ const InstrItineraryData* II = TM->getInstrItineraryData();
+ const InstrStage*
+ IS = II->beginStage(QII->get(this->getOpcode()).getSchedClass());
+
+ return (IS->getUnits());
+}
+
+// Return the Hexagon ISA class for the insn.
+unsigned HexagonMCInst::getType() const {
+ const uint64_t F = MCID->TSFlags;
+
+ return ((F >> HexagonII::TypePos) & HexagonII::TypeMask);
+}
+
+// Return whether the insn is an actual insn.
+bool HexagonMCInst::isCanon() const {
+ return (!MCID->isPseudo() &&
+ !isPrefix() &&
+ getType() != HexagonII::TypeENDLOOP);
+}
+
+// Return whether the insn is a prefix.
+bool HexagonMCInst::isPrefix() const {
+ return (getType() == HexagonII::TypePREFIX);
+}
+
+// Return whether the insn is solo, i.e., cannot be in a packet.
+bool HexagonMCInst::isSolo() const {
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::SoloPos) & HexagonII::SoloMask);
+}
+
+// Return whether the insn is a new-value consumer.
+bool HexagonMCInst::isNewValue() const {
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::NewValuePos) & HexagonII::NewValueMask);
+}
+
+// Return whether the instruction is a legal new-value producer.
+bool HexagonMCInst::hasNewValue() const {
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::hasNewValuePos) & HexagonII::hasNewValueMask);
+}
+
+// Return the operand that consumes or produces a new value.
+const MCOperand& HexagonMCInst::getNewValue() const {
+ const uint64_t F = MCID->TSFlags;
+ const unsigned O = (F >> HexagonII::NewValueOpPos) &
+ HexagonII::NewValueOpMask;
+ const MCOperand& MCO = getOperand(O);
+
+ assert ((isNewValue() || hasNewValue()) && MCO.isReg());
+ return (MCO);
+}
+
+// Return whether the instruction needs to be constant extended.
+// 1) Always return true if the instruction has 'isExtended' flag set.
+//
+// isExtendable:
+// 2) For immediate extended operands, return true only if the value is
+// out-of-range.
+// 3) For global address, always return true.
+
+bool HexagonMCInst::isConstExtended(void) const {
+ if (isExtended())
+ return true;
+
+ if (!isExtendable())
+ return false;
+
+ short ExtOpNum = getCExtOpNum();
+ int MinValue = getMinValue();
+ int MaxValue = getMaxValue();
+ const MCOperand& MO = getOperand(ExtOpNum);
+
+ // We could be using an instruction with an extendable immediate and shoehorn
+ // a global address into it. If it is a global address it will be constant
+ // extended. We do this for COMBINE.
+ // We currently only handle isGlobal() because it is the only kind of
+ // object we are going to end up with here for now.
+ // In the future we probably should add isSymbol(), etc.
+ if (MO.isExpr())
+ return true;
+
+ // If the extendable operand is not 'Immediate' type, the instruction should
+ // have 'isExtended' flag set.
+ assert(MO.isImm() && "Extendable operand must be Immediate type");
+
+ int ImmValue = MO.getImm();
+ return (ImmValue < MinValue || ImmValue > MaxValue);
+}
+
+// Return whether the instruction must be always extended.
+bool HexagonMCInst::isExtended(void) const {
+ const uint64_t F = MCID->TSFlags;
+ return (F >> HexagonII::ExtendedPos) & HexagonII::ExtendedMask;
+}
+
+// Return true if the instruction may be extended based on the operand value.
+bool HexagonMCInst::isExtendable(void) const {
+ const uint64_t F = MCID->TSFlags;
+ return (F >> HexagonII::ExtendablePos) & HexagonII::ExtendableMask;
+}
+
+// Return number of bits in the constant extended operand.
+unsigned HexagonMCInst::getBitCount(void) const {
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::ExtentBitsPos) & HexagonII::ExtentBitsMask);
+}
+
+// Return constant extended operand number.
+unsigned short HexagonMCInst::getCExtOpNum(void) const {
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask);
+}
+
+// Return whether the operand can be constant extended.
+bool HexagonMCInst::isOperandExtended(const unsigned short OperandNum) const {
+ const uint64_t F = MCID->TSFlags;
+ return ((F >> HexagonII::ExtendableOpPos) & HexagonII::ExtendableOpMask)
+ == OperandNum;
+}
+
+// Return the min value that a constant extendable operand can have
+// without being extended.
+int HexagonMCInst::getMinValue(void) const {
+ const uint64_t F = MCID->TSFlags;
+ unsigned isSigned = (F >> HexagonII::ExtentSignedPos)
+ & HexagonII::ExtentSignedMask;
+ unsigned bits = (F >> HexagonII::ExtentBitsPos)
+ & HexagonII::ExtentBitsMask;
+
+ if (isSigned) // if value is signed
+ return -1 << (bits - 1);
+ else
+ return 0;
+}
+
+// Return the max value that a constant extendable operand can have
+// without being extended.
+int HexagonMCInst::getMaxValue(void) const {
+ const uint64_t F = MCID->TSFlags;
+ unsigned isSigned = (F >> HexagonII::ExtentSignedPos)
+ & HexagonII::ExtentSignedMask;
+ unsigned bits = (F >> HexagonII::ExtentBitsPos)
+ & HexagonII::ExtentBitsMask;
+
+ if (isSigned) // if value is signed
+ return ~(-1 << (bits - 1));
+ else
+ return ~(-1 << bits);
+}
Added: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h?rev=175634&view=auto
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h (added)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCInst.h Wed Feb 20 10:13:27 2013
@@ -0,0 +1,100 @@
+//===- HexagonMCInst.h - Hexagon sub-class of MCInst ----------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class extends MCInst to allow some VLIW annotations.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef HEXAGONMCINST_H
+#define HEXAGONMCINST_H
+
+#include "HexagonTargetMachine.h"
+#include "llvm/MC/MCInst.h"
+
+namespace llvm {
+ class MCOperand;
+
+ class HexagonMCInst: public MCInst {
+ // MCID is set during instruction lowering.
+ // It is needed in order to access TSFlags for
+ // use in checking MC instruction properties.
+ const MCInstrDesc *MCID;
+
+ // Packet start and end markers
+ unsigned packetStart: 1, packetEnd: 1;
+
+ public:
+ explicit HexagonMCInst():
+ MCInst(), MCID(0), packetStart(0), packetEnd(0) {};
+ HexagonMCInst(const MCInstrDesc& mcid):
+ MCInst(), MCID(&mcid), packetStart(0), packetEnd(0) {};
+
+ bool isPacketStart() const { return (packetStart); };
+ bool isPacketEnd() const { return (packetEnd); };
+ void setPacketStart(bool Y) { packetStart = Y; };
+ void setPacketEnd(bool Y) { packetEnd = Y; };
+ void resetPacket() { setPacketStart(false); setPacketEnd(false); };
+
+ // Return the slots used by the insn.
+ unsigned getUnits(const HexagonTargetMachine* TM) const;
+
+ // Return the Hexagon ISA class for the insn.
+ unsigned getType() const;
+
+ void setDesc(const MCInstrDesc& mcid) { MCID = &mcid; };
+ const MCInstrDesc& getDesc(void) const { return *MCID; };
+
+ // Return whether the insn is an actual insn.
+ bool isCanon() const;
+
+ // Return whether the insn is a prefix.
+ bool isPrefix() const;
+
+ // Return whether the insn is solo, i.e., cannot be in a packet.
+ bool isSolo() const;
+
+ // Return whether the instruction needs to be constant extended.
+ bool isConstExtended() const;
+
+ // Return constant extended operand number.
+ unsigned short getCExtOpNum(void) const;
+
+ // Return whether the insn is a new-value consumer.
+ bool isNewValue() const;
+
+ // Return whether the instruction is a legal new-value producer.
+ bool hasNewValue() const;
+
+ // Return the operand that consumes or produces a new value.
+ const MCOperand& getNewValue() const;
+
+ // Return number of bits in the constant extended operand.
+ unsigned getBitCount(void) const;
+
+ private:
+ // Return whether the instruction must be always extended.
+ bool isExtended() const;
+
+ // Return true if the insn may be extended based on the operand value.
+ bool isExtendable() const;
+
+ // Return true if the operand can be constant extended.
+ bool isOperandExtended(const unsigned short OperandNum) const;
+
+ // Return the min value that a constant extendable operand can have
+ // without being extended.
+ int getMinValue() const;
+
+ // Return the max value that a constant extendable operand can have
+ // without being extended.
+ int getMaxValue() const;
+ };
+}
+
+#endif
Modified: llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp (original)
+++ llvm/trunk/lib/Target/Hexagon/MCTargetDesc/HexagonMCTargetDesc.cpp Wed Feb 20 10:13:27 2013
@@ -13,11 +13,13 @@
#include "HexagonMCTargetDesc.h"
#include "HexagonMCAsmInfo.h"
+#include "InstPrinter/HexagonInstPrinter.h"
+#include "llvm/MC/MachineLocation.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
+#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/MC/MachineLocation.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
Added: llvm/trunk/test/CodeGen/Hexagon/cext-check.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/cext-check.ll?rev=175634&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/cext-check.ll (added)
+++ llvm/trunk/test/CodeGen/Hexagon/cext-check.ll Wed Feb 20 10:13:27 2013
@@ -0,0 +1,57 @@
+; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
+; Check that we constant extended instructions only when necessary.
+
+define i32 @cext_test1(i32* %a) nounwind {
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memw(r{{[0-9]+}}+##8000)
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}add(r{{[0-9]+}}{{ *}},{{ *}}##300000)
+; CHECK-NOT: r{{[0-9]+}}{{ *}}={{ *}}memw(r{{[0-9]+}}+##4092)
+; CHECK-NOT: r{{[0-9]+}}{{ *}}={{ *}}add(r{{[0-9]+}}{{ *}},{{ *}}##300)
+entry:
+ %0 = load i32* %a, align 4
+ %tobool = icmp ne i32 %0, 0
+ br i1 %tobool, label %if.then, label %if.end
+
+if.then:
+ %arrayidx1 = getelementptr inbounds i32* %a, i32 2000
+ %1 = load i32* %arrayidx1, align 4
+ %add = add nsw i32 %1, 300000
+ br label %return
+
+if.end:
+ %arrayidx2 = getelementptr inbounds i32* %a, i32 1023
+ %2 = load i32* %arrayidx2, align 4
+ %add3 = add nsw i32 %2, 300
+ br label %return
+
+return:
+ %retval.0 = phi i32 [ %add, %if.then ], [ %add3, %if.end ]
+ ret i32 %retval.0
+}
+
+define i32 @cext_test2(i8* %a) nounwind {
+; CHECK-NOT: r{{[0-9]+}}{{ *}}={{ *}}memub(r{{[0-9]+}}+##1023)
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}add(r{{[0-9]+}}{{ *}},{{ *}}##300000)
+; CHECK: r{{[0-9]+}}{{ *}}={{ *}}memub(r{{[0-9]+}}+##1024)
+; CHECK-NOT: r{{[0-9]+}}{{ *}}={{ *}}add(r{{[0-9]+}}{{ *}},{{ *}}##6000)
+entry:
+ %tobool = icmp ne i8* %a, null
+ br i1 %tobool, label %if.then, label %if.end
+
+if.then:
+ %arrayidx = getelementptr inbounds i8* %a, i32 1023
+ %0 = load i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i32
+ %add = add nsw i32 %conv, 300000
+ br label %return
+
+if.end:
+ %arrayidx1 = getelementptr inbounds i8* %a, i32 1024
+ %1 = load i8* %arrayidx1, align 1
+ %conv2 = zext i8 %1 to i32
+ %add3 = add nsw i32 %conv2, 6000
+ br label %return
+
+return:
+ %retval.0 = phi i32 [ %add, %if.then ], [ %add3, %if.end ]
+ ret i32 %retval.0
+}
Modified: llvm/trunk/test/CodeGen/Hexagon/dualstore.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Hexagon/dualstore.ll?rev=175634&r1=175633&r2=175634&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/Hexagon/dualstore.ll (original)
+++ llvm/trunk/test/CodeGen/Hexagon/dualstore.ll Wed Feb 20 10:13:27 2013
@@ -1,8 +1,8 @@
; RUN: llc -march=hexagon -mcpu=hexagonv4 < %s | FileCheck %s
; Check that we generate dual stores in one packet in V4
-; CHECK: memw(r{{[0-9]+}}{{ *}}+{{ *}}#{{[0-9]+}}){{ *}}={{ *}}#100000
-; CHECK-NEXT: memw(r{{[0-9]+}}{{ *}}+{{ *}}#{{[0-9]+}}){{ *}}={{ *}}#500000
+; CHECK: memw(r{{[0-9]+}}{{ *}}+{{ *}}#{{[0-9]+}}){{ *}}={{ *}}##100000
+; CHECK-NEXT: memw(r{{[0-9]+}}{{ *}}+{{ *}}#{{[0-9]+}}){{ *}}={{ *}}##500000
; CHECK-NEXT: }
@Reg = global i32 0, align 4
More information about the llvm-commits
mailing list