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-rw-r--r--lib/Target/ARM/ARMMCInstLower.cpp101
-rw-r--r--lib/Target/ARM/ARMMCInstLower.h9
2 files changed, 18 insertions, 92 deletions
diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index 12ad3ec574..d9c5bcd4f4 100644
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -30,100 +30,33 @@ MCSymbol *ARMMCInstLower::GetGlobalAddressSymbol(const GlobalValue *GV) const {
return Printer.Mang->getSymbol(GV);
}
-const MCSymbolRefExpr *ARMMCInstLower::
-GetSymbolRef(const MachineOperand &MO) const {
- assert(MO.isGlobal() && "Isn't a global address reference?");
-
- const MCSymbolRefExpr *SymRef;
- const MCSymbol *Symbol = GetGlobalAddressSymbol(MO.getGlobal());
-
- switch (MO.getTargetFlags()) {
- default: assert(0 && "Unknown target flag on GV operand");
- case 0:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
- break;
- case ARMII::MO_LO16:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
- break;
- case ARMII::MO_HI16:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_HI16, Ctx);
- break;
- case ARMII::MO_PLT:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_PLT, Ctx);
- break;
- }
-
- return SymRef;
-}
-
-const MCSymbolRefExpr *ARMMCInstLower::
-GetExternalSymbolSymbol(const MachineOperand &MO) const {
- const MCSymbolRefExpr *SymRef;
- const MCSymbol *Symbol = Printer.GetExternalSymbolSymbol(MO.getSymbolName());
-
+MCOperand ARMMCInstLower::
+GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol) const {
+ const MCExpr *Expr;
switch (MO.getTargetFlags()) {
- default: assert(0 && "Unknown target flag on external symbol operand");
+ default: assert(0 && "Unknown target flag on symbol operand");
case 0:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
break;
case ARMII::MO_LO16:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
break;
case ARMII::MO_HI16:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_HI16, Ctx);
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_HI16, Ctx);
break;
case ARMII::MO_PLT:
- SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_PLT, Ctx);
+ Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_PLT, Ctx);
break;
}
-
- return SymRef;
-}
-
-
-
-const MCSymbolRefExpr *ARMMCInstLower::
-GetJumpTableSymbol(const MachineOperand &MO) const {
- SmallString<256> Name;
- raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "JTI"
- << Printer.getFunctionNumber() << '_' << MO.getIndex();
-
- switch (MO.getTargetFlags()) {
- default: assert(0 && "Unknown target flag on jump table operand");
- case 0: break;
- }
-
- // Create a symbol for the name.
- return MCSymbolRefExpr::Create(Ctx.GetOrCreateSymbol(Name.str()), Ctx);
-}
-
-const MCSymbolRefExpr *ARMMCInstLower::
-GetConstantPoolIndexSymbol(const MachineOperand &MO) const {
- SmallString<256> Name;
- raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "CPI"
- << Printer.getFunctionNumber() << '_' << MO.getIndex();
-
- switch (MO.getTargetFlags()) {
- default: assert(0 && "Unknown target flag on CPI operand");
- case 0: break;
- }
-
- // Create a symbol for the name.
- return MCSymbolRefExpr::Create(Ctx.GetOrCreateSymbol(Name.str()), Ctx);
-}
-
-MCOperand ARMMCInstLower::
-LowerSymbolRefOperand(const MachineOperand &MO,
- const MCSymbolRefExpr *Sym) const {
- const MCExpr *Expr = Sym;
+
if (!MO.isJTI() && MO.getOffset())
Expr = MCBinaryExpr::CreateAdd(Expr,
MCConstantExpr::Create(MO.getOffset(), Ctx),
Ctx);
return MCOperand::CreateExpr(Expr);
+
}
-
void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
OutMI.setOpcode(MI->getOpcode());
@@ -149,21 +82,21 @@ void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
MO.getMBB()->getSymbol(), Ctx));
break;
case MachineOperand::MO_GlobalAddress:
- MCOp = LowerSymbolRefOperand(MO, GetSymbolRef(MO));
+ MCOp = GetSymbolRef(MO, GetGlobalAddressSymbol(MO.getGlobal()));
break;
case MachineOperand::MO_ExternalSymbol:
- MCOp = LowerSymbolRefOperand(MO, GetExternalSymbolSymbol(MO));
+ MCOp = GetSymbolRef(MO,
+ Printer.GetExternalSymbolSymbol(MO.getSymbolName()));
break;
case MachineOperand::MO_JumpTableIndex:
- MCOp = LowerSymbolRefOperand(MO, GetJumpTableSymbol(MO));
+ MCOp = GetSymbolRef(MO, Printer.GetJTISymbol(MO.getIndex()));
break;
case MachineOperand::MO_ConstantPoolIndex:
- MCOp = LowerSymbolRefOperand(MO, GetConstantPoolIndexSymbol(MO));
+ MCOp = GetSymbolRef(MO, Printer.GetCPISymbol(MO.getIndex()));
break;
case MachineOperand::MO_BlockAddress:
- MCOp = LowerSymbolRefOperand(MO,
- MCSymbolRefExpr::Create(Printer.GetBlockAddressSymbol(
- MO.getBlockAddress()), Ctx));
+ MCOp = GetSymbolRef(MO,
+ Printer.GetBlockAddressSymbol(MO.getBlockAddress()));
break;
case MachineOperand::MO_FPImmediate:
APFloat Val = MO.getFPImm()->getValueAPF();
diff --git a/lib/Target/ARM/ARMMCInstLower.h b/lib/Target/ARM/ARMMCInstLower.h
index 5645cc5f17..578590ee0d 100644
--- a/lib/Target/ARM/ARMMCInstLower.h
+++ b/lib/Target/ARM/ARMMCInstLower.h
@@ -40,14 +40,7 @@ public:
private:
MCSymbol *GetGlobalAddressSymbol(const GlobalValue *GV) const;
- const MCSymbolRefExpr *GetSymbolRef(const MachineOperand &MO) const;
- const MCSymbolRefExpr *GetExternalSymbolSymbol(const MachineOperand &MO)
- const;
- const MCSymbolRefExpr *GetJumpTableSymbol(const MachineOperand &MO) const;
- const MCSymbolRefExpr *
- GetConstantPoolIndexSymbol(const MachineOperand &MO) const;
- MCOperand LowerSymbolRefOperand(const MachineOperand &MO,
- const MCSymbolRefExpr *Expr) const;
+ MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Sym) const;
};
} // end namespace llvm
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 04:33:37 +0000