[SystemZ] Clean up warning

[oota-llvm.git] / lib / Target / R600 / AMDGPUMCInstLower.cpp

diff --git a/lib/Target/R600/AMDGPUMCInstLower.cpp b/lib/Target/R600/AMDGPUMCInstLower.cpp
index 2c9909ff9d94ce096ab0914c9c597c4fdd9fce96..bfb36e80916b01ae8294bb403e19809bf30ca278 100644 (file)
--- a/lib/Target/R600/AMDGPUMCInstLower.cpp
+++ b/lib/Target/R600/AMDGPUMCInstLower.cpp
@@ -15,12 +15,17 @@
 
 #include "AMDGPUMCInstLower.h"
 #include "AMDGPUAsmPrinter.h"
+#include "AMDGPUTargetMachine.h"
 #include "InstPrinter/AMDGPUInstPrinter.h"
 #include "R600InstrInfo.h"
+#include "SIInstrInfo.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/IR/Constants.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/GlobalVariable.h"
 #include "llvm/MC/MCCodeEmitter.h"
+#include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCObjectStreamer.h"
@@ -31,27 +36,27 @@
 
 using namespace llvm;
 
-AMDGPUMCInstLower::AMDGPUMCInstLower(MCContext &ctx):
-  Ctx(ctx)
+AMDGPUMCInstLower::AMDGPUMCInstLower(MCContext &ctx, const AMDGPUSubtarget &st):
+  Ctx(ctx), ST(st)
 { }
 
 void AMDGPUMCInstLower::lower(const MachineInstr *MI, MCInst &OutMI) const {
-  OutMI.setOpcode(MI->getOpcode());
 
-  for (unsigned i = 0, e = MI->getNumExplicitOperands(); i != e; ++i) {
-    const MachineOperand &MO = MI->getOperand(i);
+  int MCOpcode = ST.getInstrInfo()->pseudoToMCOpcode(MI->getOpcode());
 
+  if (MCOpcode == -1) {
+    LLVMContext &C = MI->getParent()->getParent()->getFunction()->getContext();
+    C.emitError("AMDGPUMCInstLower::lower - Pseudo instruction doesn't have "
+                "a target-specific version: " + Twine(MI->getOpcode()));
+  }
+
+  OutMI.setOpcode(MCOpcode);
+
+  for (const MachineOperand &MO : MI->explicit_operands()) {
     MCOperand MCOp;
     switch (MO.getType()) {
     default:
       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;
@@ -61,17 +66,39 @@ void AMDGPUMCInstLower::lower(const MachineInstr *MI, MCInst &OutMI) const {
     case MachineOperand::MO_MachineBasicBlock:
       MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
                                    MO.getMBB()->getSymbol(), Ctx));
+      break;
+    case MachineOperand::MO_GlobalAddress: {
+      const GlobalValue *GV = MO.getGlobal();
+      MCSymbol *Sym = Ctx.GetOrCreateSymbol(StringRef(GV->getName()));
+      MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(Sym, Ctx));
+      break;
+    }
+    case MachineOperand::MO_TargetIndex: {
+      assert(MO.getIndex() == AMDGPU::TI_CONSTDATA_START);
+      MCSymbol *Sym = Ctx.GetOrCreateSymbol(StringRef(END_OF_TEXT_LABEL_NAME));
+      const MCSymbolRefExpr *Expr = MCSymbolRefExpr::Create(Sym, Ctx);
+      MCOp = MCOperand::CreateExpr(Expr);
+      break;
+    }
+    case MachineOperand::MO_ExternalSymbol: {
+      MCSymbol *Sym = Ctx.GetOrCreateSymbol(StringRef(MO.getSymbolName()));
+      const MCSymbolRefExpr *Expr = MCSymbolRefExpr::Create(Sym, Ctx);
+      MCOp = MCOperand::CreateExpr(Expr);
+      break;
+    }
     }
     OutMI.addOperand(MCOp);
   }
 }
 
 void AMDGPUAsmPrinter::EmitInstruction(const MachineInstr *MI) {
-  AMDGPUMCInstLower MCInstLowering(OutContext);
+  AMDGPUMCInstLower MCInstLowering(OutContext,
+                                   MF->getSubtarget<AMDGPUSubtarget>());
 
 #ifdef _DEBUG
   StringRef Err;
-  if (!TM.getInstrInfo()->verifyInstruction(MI, Err)) {
+  if (!MF->getSubtarget<AMDGPUSubtarget>().getInstrInfo()->verifyInstruction(
+          MI, Err)) {
     errs() << "Warning: Illegal instruction detected: " << Err << "\n";
     MI->dump();
   }
@@ -95,8 +122,9 @@ void AMDGPUAsmPrinter::EmitInstruction(const MachineInstr *MI) {
       std::string &DisasmLine = DisasmLines.back();
       raw_string_ostream DisasmStream(DisasmLine);
 
-      AMDGPUInstPrinter InstPrinter(*TM.getMCAsmInfo(), *TM.getInstrInfo(),
-                                    *TM.getRegisterInfo());
+      AMDGPUInstPrinter InstPrinter(*TM.getMCAsmInfo(),
+                                    *MF->getSubtarget().getInstrInfo(),
+                                    *MF->getSubtarget().getRegisterInfo());
       InstPrinter.printInst(&TmpInst, DisasmStream, StringRef());
 
       // Disassemble instruction/operands to hex representation.
@@ -107,7 +135,7 @@ void AMDGPUAsmPrinter::EmitInstruction(const MachineInstr *MI) {
       MCObjectStreamer &ObjStreamer = (MCObjectStreamer &)OutStreamer;
       MCCodeEmitter &InstEmitter = ObjStreamer.getAssembler().getEmitter();
       InstEmitter.EncodeInstruction(TmpInst, CodeStream, Fixups,
-                                    TM.getSubtarget<MCSubtargetInfo>());
+                                    MF->getSubtarget<MCSubtargetInfo>());
       CodeStream.flush();
 
       HexLines.resize(HexLines.size() + 1);