From 530a574a9dc6de13fe2bab31a461ba6bdb2a4c54 Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Wed, 6 May 2015 17:05:54 +0000 Subject: [PATCH] Add ChangeTo* to MachineOperand for symbols git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236612 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/MachineOperand.h | 6 ++++++ lib/CodeGen/MachineInstr.cpp | 22 ++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/include/llvm/CodeGen/MachineOperand.h b/include/llvm/CodeGen/MachineOperand.h index 4e1a3f81d26..ddffdcaf1e4 100644 --- a/include/llvm/CodeGen/MachineOperand.h +++ b/include/llvm/CodeGen/MachineOperand.h @@ -554,6 +554,12 @@ public: /// already, the setFPImm method should be used. void ChangeToFPImmediate(const ConstantFP *FPImm); + /// ChangeToES - Replace this operand with a new external symbol operand. + void ChangeToES(const char *SymName, unsigned char TargetFlags = 0); + + /// ChangeToMCSymbol - Replace this operand with a new MC symbol operand. + void ChangeToMCSymbol(MCSymbol *Sym); + /// ChangeToRegister - Replace this operand with a new register operand of /// the specified value. If an operand is known to be an register already, /// the setReg method should be used. diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 7f3c3e935a2..4d290f58a81 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/lib/CodeGen/MachineInstr.cpp @@ -141,6 +141,28 @@ void MachineOperand::ChangeToFPImmediate(const ConstantFP *FPImm) { Contents.CFP = FPImm; } +void MachineOperand::ChangeToES(const char *SymName, unsigned char TargetFlags) { + assert((!isReg() || !isTied()) && + "Cannot change a tied operand into an external symbol"); + + removeRegFromUses(); + + OpKind = MO_ExternalSymbol; + Contents.OffsetedInfo.Val.SymbolName = SymName; + setOffset(0); // Offset is always 0. + setTargetFlags(TargetFlags); +} + +void MachineOperand::ChangeToMCSymbol(MCSymbol *Sym) { + assert((!isReg() || !isTied()) && + "Cannot change a tied operand into an MCSymbol"); + + removeRegFromUses(); + + OpKind = MO_MCSymbol; + Contents.Sym = Sym; +} + /// ChangeToRegister - Replace this operand with a new register operand of /// the specified value. If an operand is known to be an register already, /// the setReg method should be used. -- 2.34.1