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Debug Info: Turn DIExpression::getFrameRegister() into an isFrameRegister() 

function.

NFC.

llvm-svn: 225846
This commit is contained in:
Adrian Prantl 2015-01-13 23:10:43 +00:00
parent 1ae04916cc
commit 8995f5c92f
4 changed files with 9 additions and 8 deletions
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5
llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
View File

@ -46,8 +46,9 @@ void DebugLocDwarfExpression::EmitUnsigned(unsigned Value) {
BS.EmitULEB128(Value, Twine(Value));
}
unsigned DebugLocDwarfExpression::getFrameRegister() {
llvm_unreachable("not available");
bool DebugLocDwarfExpression::isFrameRegister(unsigned MachineReg) {
// This information is not available while emitting .debug_loc entries.
return false;
}
//===----------------------------------------------------------------------===//

2
llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
View File

@ -79,7 +79,7 @@ bool DwarfExpression::AddMachineRegIndirect(unsigned MachineReg, int Offset) {
if (DwarfReg < 0)
return false;
if (MachineReg == getFrameRegister()) {
if (isFrameRegister(MachineReg)) {
// If variable offset is based in frame register then use fbreg.
EmitOp(dwarf::DW_OP_fbreg);
EmitSigned(Offset);

4
llvm/lib/CodeGen/AsmPrinter/DwarfExpression.h
View File

@ -40,7 +40,7 @@ public:
virtual void EmitSigned(int Value) = 0;
virtual void EmitUnsigned(unsigned Value) = 0;
virtual unsigned getFrameRegister() = 0;
virtual bool isFrameRegister(unsigned MachineReg) = 0;
/// Emit a dwarf register operation.
void AddReg(int DwarfReg, const char* Comment = nullptr);
@ -92,7 +92,7 @@ public:
void EmitOp(uint8_t Op, const char *Comment) override;
void EmitSigned(int Value) override;
void EmitUnsigned(unsigned Value) override;
unsigned getFrameRegister() override;
bool isFrameRegister(unsigned MachineReg) override;
};
}

6
llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
View File

@ -55,7 +55,7 @@ public:
void EmitOp(uint8_t Op, const char* Comment = nullptr) override;
void EmitSigned(int Value) override;
void EmitUnsigned(unsigned Value) override;
unsigned getFrameRegister() override;
bool isFrameRegister(unsigned MachineReg) override;
};
void DIEDwarfExpression::EmitOp(uint8_t Op, const char* Comment) {
@ -67,8 +67,8 @@ void DIEDwarfExpression::EmitSigned(int Value) {
void DIEDwarfExpression::EmitUnsigned(unsigned Value) {
DU.addUInt(DIE, dwarf::DW_FORM_udata, Value);
}
unsigned DIEDwarfExpression::getFrameRegister() {
return getTRI()->getFrameRegister(*AP.MF);
bool DIEDwarfExpression::isFrameRegister(unsigned MachineReg) {
return MachineReg == getTRI()->getFrameRegister(*AP.MF);
}