Mesa (master): radeon/llvm: Add AsmPrinter
Tom Stellard
tstellar at kemper.freedesktop.org
Thu Aug 23 15:13:32 UTC 2012
Module: Mesa
Branch: master
Commit: e30b4644b613a130318cdf240ad237b0afbc525a
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=e30b4644b613a130318cdf240ad237b0afbc525a
Author: Tom Stellard <thomas.stellard at amd.com>
Date: Fri Aug 17 15:52:15 2012 +0000
radeon/llvm: Add AsmPrinter
---
src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp | 16 +++++++
src/gallium/drivers/radeon/AMDGPUAsmPrinter.h | 25 ++++++++++
src/gallium/drivers/radeon/AMDGPUMCInstLower.cpp | 48 ++++++++++++++++++++
src/gallium/drivers/radeon/AMDGPUMCInstLower.h | 22 +++++++++
.../radeon/InstPrinter/AMDGPUInstPrinter.cpp | 34 ++++++++++++++
.../drivers/radeon/InstPrinter/AMDGPUInstPrinter.h | 34 ++++++++++++++
.../radeon/MCTargetDesc/AMDILMCTargetDesc.cpp | 11 +++++
src/gallium/drivers/radeon/Makefile.sources | 3 +
8 files changed, 193 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp b/src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp
new file mode 100644
index 0000000..4b7961e
--- /dev/null
+++ b/src/gallium/drivers/radeon/AMDGPUAsmPrinter.cpp
@@ -0,0 +1,16 @@
+
+#include "AMDGPUAsmPrinter.h"
+#include "AMDGPU.h"
+#include "llvm/Support/TargetRegistry.h"
+
+using namespace llvm;
+
+
+static AsmPrinter *createAMDGPUAsmPrinterPass(TargetMachine &tm,
+ MCStreamer &Streamer) {
+ return new AMDGPUAsmPrinter(tm, Streamer);
+}
+
+extern "C" void LLVMInitializeAMDGPUAsmPrinter() {
+ TargetRegistry::RegisterAsmPrinter(TheAMDGPUTarget, createAMDGPUAsmPrinterPass);
+}
diff --git a/src/gallium/drivers/radeon/AMDGPUAsmPrinter.h b/src/gallium/drivers/radeon/AMDGPUAsmPrinter.h
new file mode 100644
index 0000000..865b186
--- /dev/null
+++ b/src/gallium/drivers/radeon/AMDGPUAsmPrinter.h
@@ -0,0 +1,25 @@
+
+#ifndef AMDGPU_ASMPRINTER_H
+#define AMDGPU_ASMPRINTER_H
+
+#include "llvm/CodeGen/AsmPrinter.h"
+
+namespace llvm {
+
+class AMDGPUAsmPrinter : public AsmPrinter {
+
+public:
+ explicit AMDGPUAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
+ : AsmPrinter(TM, Streamer) { }
+
+ virtual const char *getPassName() const {
+ return "AMDGPU Assembly Printer";
+ }
+
+ /// EmitInstuction - Implemented in AMDGPUMCInstLower.cpp
+ virtual void EmitInstruction(const MachineInstr *MI);
+};
+
+} // End anonymous llvm
+
+#endif //AMDGPU_ASMPRINTER_H
diff --git a/src/gallium/drivers/radeon/AMDGPUMCInstLower.cpp b/src/gallium/drivers/radeon/AMDGPUMCInstLower.cpp
new file mode 100644
index 0000000..53bd561
--- /dev/null
+++ b/src/gallium/drivers/radeon/AMDGPUMCInstLower.cpp
@@ -0,0 +1,48 @@
+
+#include "AMDGPUMCInstLower.h"
+#include "AMDGPUAsmPrinter.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/Constants.h"
+#include "llvm/MC/MCInst.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/Support/ErrorHandling.h"
+
+using namespace llvm;
+
+AMDGPUMCInstLower::AMDGPUMCInstLower() { }
+
+void AMDGPUMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
+ OutMI.setOpcode(MI->getOpcode());
+
+ for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+
+ MCOperand MCOp;
+ switch (MO.getType()) {
+ default:
+ MI->dump();
+ llvm_unreachable("unknown operand type");
+ case MachineOperand::MO_FPImmediate: {
+ const APFloat &FloatValue = MO.getFPImm()->getValueAPF();
+ assert(&FloatValue.getSemantics() == &APFloat::IEEEsingle &&
+ "Only floating point immediates are supported at the moment.");
+ MCOp = MCOperand::CreateFPImm(FloatValue.convertToFloat());
+ break;
+ }
+ case MachineOperand::MO_Immediate:
+ MCOp = MCOperand::CreateImm(MO.getImm());
+ break;
+ case MachineOperand::MO_Register:
+ MCOp = MCOperand::CreateReg(MO.getReg());
+ break;
+ }
+ OutMI.addOperand(MCOp);
+ }
+}
+
+void AMDGPUAsmPrinter::EmitInstruction(const MachineInstr *MI) {
+ AMDGPUMCInstLower MCInstLowering;
+ MCInst TmpInst;
+ MCInstLowering.Lower(MI, TmpInst);
+ OutStreamer.EmitInstruction(TmpInst);
+}
diff --git a/src/gallium/drivers/radeon/AMDGPUMCInstLower.h b/src/gallium/drivers/radeon/AMDGPUMCInstLower.h
new file mode 100644
index 0000000..2ea5b02
--- /dev/null
+++ b/src/gallium/drivers/radeon/AMDGPUMCInstLower.h
@@ -0,0 +1,22 @@
+
+#ifndef AMDGPU_MCINSTLOWER_H
+#define AMDGPU_MCINSTLOWER_H
+
+namespace llvm {
+
+class MCInst;
+class MachineInstr;
+
+class AMDGPUMCInstLower {
+
+public:
+ AMDGPUMCInstLower();
+
+ /// Lower - Lower a MachineInstr to an MCInst
+ void Lower(const MachineInstr *MI, MCInst &OutMI) const;
+
+};
+
+} // End namespace llvm
+
+#endif //AMDGPU_MCINSTLOWER_H
diff --git a/src/gallium/drivers/radeon/InstPrinter/AMDGPUInstPrinter.cpp b/src/gallium/drivers/radeon/InstPrinter/AMDGPUInstPrinter.cpp
new file mode 100644
index 0000000..b6ab9b2
--- /dev/null
+++ b/src/gallium/drivers/radeon/InstPrinter/AMDGPUInstPrinter.cpp
@@ -0,0 +1,34 @@
+
+#include "AMDGPUInstPrinter.h"
+#include "llvm/MC/MCInst.h"
+
+using namespace llvm;
+
+void AMDGPUInstPrinter::printInst(const MCInst *MI, raw_ostream &OS,
+ StringRef Annot) {
+ printInstruction(MI, OS);
+
+ printAnnotation(OS, Annot);
+}
+
+void AMDGPUInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+
+ const MCOperand &Op = MI->getOperand(OpNo);
+ if (Op.isReg()) {
+ O << getRegisterName(Op.getReg());
+ } else if (Op.isImm()) {
+ O << Op.getImm();
+ } else if (Op.isFPImm()) {
+ O << Op.getFPImm();
+ } else {
+ assert(!"unknown operand type in printOperand");
+ }
+}
+
+void AMDGPUInstPrinter::printMemOperand(const MCInst *MI, unsigned OpNo,
+ raw_ostream &O) {
+ printOperand(MI, OpNo, O);
+}
+
+#include "AMDGPUGenAsmWriter.inc"
diff --git a/src/gallium/drivers/radeon/InstPrinter/AMDGPUInstPrinter.h b/src/gallium/drivers/radeon/InstPrinter/AMDGPUInstPrinter.h
new file mode 100644
index 0000000..62c1a5e
--- /dev/null
+++ b/src/gallium/drivers/radeon/InstPrinter/AMDGPUInstPrinter.h
@@ -0,0 +1,34 @@
+
+#ifndef AMDGPUINSTPRINTER_H
+#define AMDGPUINSTPRINTER_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/MC/MCInstPrinter.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+
+class AMDGPUInstPrinter : public MCInstPrinter {
+public:
+ AMDGPUInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
+ const MCRegisterInfo &MRI)
+ : MCInstPrinter(MAI, MII, MRI) {}
+
+ //Autogenerated by tblgen
+ void printInstruction(const MCInst *MI, raw_ostream &O);
+ static const char *getRegisterName(unsigned RegNo);
+
+// virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
+ virtual void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot);
+
+private:
+ void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+// void printUnsignedImm(const MCInst *MI, int OpNo, raw_ostream &O);
+ void printMemOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
+
+
+};
+
+} // End namespace llvm
+
+#endif // AMDGPUINSTRPRINTER_H
diff --git a/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp b/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp
index fd35e9e..24cfb1f 100644
--- a/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp
+++ b/src/gallium/drivers/radeon/MCTargetDesc/AMDILMCTargetDesc.cpp
@@ -1,5 +1,6 @@
#include "AMDILMCTargetDesc.h"
#include "AMDILMCAsmInfo.h"
+#include "InstPrinter/AMDGPUInstPrinter.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
@@ -46,6 +47,15 @@ static MCCodeGenInfo *createAMDGPUMCCodeGenInfo(StringRef TT, Reloc::Model RM,
return X;
}
+static MCInstPrinter *createAMDGPUMCInstPrinter(const Target &T,
+ unsigned SyntaxVariant,
+ const MCAsmInfo &MAI,
+ const MCInstrInfo &MII,
+ const MCRegisterInfo &MRI,
+ const MCSubtargetInfo &STI) {
+ return new AMDGPUInstPrinter(MAI, MII, MRI);
+}
+
extern "C" void LLVMInitializeAMDGPUTargetMC() {
RegisterMCAsmInfo<AMDILMCAsmInfo> Y(TheAMDGPUTarget);
@@ -58,4 +68,5 @@ extern "C" void LLVMInitializeAMDGPUTargetMC() {
TargetRegistry::RegisterMCSubtargetInfo(TheAMDGPUTarget, createAMDGPUMCSubtargetInfo);
+ TargetRegistry::RegisterMCInstPrinter(TheAMDGPUTarget, createAMDGPUMCInstPrinter);
}
diff --git a/src/gallium/drivers/radeon/Makefile.sources b/src/gallium/drivers/radeon/Makefile.sources
index 0e9825f..7f934ba 100644
--- a/src/gallium/drivers/radeon/Makefile.sources
+++ b/src/gallium/drivers/radeon/Makefile.sources
@@ -28,6 +28,8 @@ CPP_SOURCES := \
AMDILNIDevice.cpp \
AMDILPeepholeOptimizer.cpp \
AMDILSIDevice.cpp \
+ AMDGPUAsmPrinter.cpp \
+ AMDGPUMCInstLower.cpp \
AMDGPUSubtarget.cpp \
AMDGPUTargetMachine.cpp \
AMDGPUISelLowering.cpp \
@@ -47,6 +49,7 @@ CPP_SOURCES := \
SIISelLowering.cpp \
SIMachineFunctionInfo.cpp \
SIRegisterInfo.cpp \
+ InstPrinter/AMDGPUInstPrinter.cpp \
MCTargetDesc/AMDILMCAsmInfo.cpp \
MCTargetDesc/AMDILMCTargetDesc.cpp \
TargetInfo/AMDILTargetInfo.cpp \
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