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MIR Serialization: Serialize MachineFrameInfo's callee saved information.

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This commit serializes the callee saved information from the class
'MachineFrameInfo'. This commit extends the YAML mappings for the fixed and
the ordinary stack objects and adds an optional 'callee-saved-register'
attribute. This attribute is used to serialize the callee save information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243173 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-24 22:22:50 +00:00
parent 5136ca2c6d
commit 3a8b87d9ce
5 changed files with 255 additions and 16 deletions
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22
lib/CodeGen/MIRPrinter.cpp
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@@ -79,7 +79,8 @@ public:
void convert(ModuleSlotTracker &MST, yaml::MachineBasicBlock &YamlMBB,
const MachineBasicBlock &MBB);
void convertStackObjects(yaml::MachineFunction &MF,
const MachineFrameInfo &MFI);
const MachineFrameInfo &MFI,
const TargetRegisterInfo *TRI);
private:
void initRegisterMaskIds(const MachineFunction &MF);
@@ -156,7 +157,8 @@ void MIRPrinter::print(const MachineFunction &MF) {
YamlMF.HasInlineAsm = MF.hasInlineAsm();
convert(YamlMF, MF.getRegInfo(), MF.getSubtarget().getRegisterInfo());
convert(YamlMF.FrameInfo, *MF.getFrameInfo());
convertStackObjects(YamlMF, *MF.getFrameInfo());
convertStackObjects(YamlMF, *MF.getFrameInfo(),
MF.getSubtarget().getRegisterInfo());
if (const auto *ConstantPool = MF.getConstantPool())
convert(YamlMF, *ConstantPool);
@@ -219,7 +221,8 @@ void MIRPrinter::convert(yaml::MachineFrameInfo &YamlMFI,
}
void MIRPrinter::convertStackObjects(yaml::MachineFunction &MF,
const MachineFrameInfo &MFI) {
const MachineFrameInfo &MFI,
const TargetRegisterInfo *TRI) {
// Process fixed stack objects.
unsigned ID = 0;
for (int I = MFI.getObjectIndexBegin(); I < 0; ++I) {
@@ -265,6 +268,19 @@ void MIRPrinter::convertStackObjects(yaml::MachineFunction &MF,
StackObjectOperandMapping.insert(std::make_pair(
I, FrameIndexOperand::create(YamlObject.Name.Value, ID++)));
}
for (const auto &CSInfo : MFI.getCalleeSavedInfo()) {
yaml::StringValue Reg;
printReg(CSInfo.getReg(), Reg, TRI);
auto StackObjectInfo = StackObjectOperandMapping.find(CSInfo.getFrameIdx());
assert(StackObjectInfo != StackObjectOperandMapping.end() &&
"Invalid stack object index");
const FrameIndexOperand &StackObject = StackObjectInfo->second;
if (StackObject.IsFixed)
MF.FixedStackObjects[StackObject.ID].CalleeSavedRegister = Reg;
else
MF.StackObjects[StackObject.ID].CalleeSavedRegister = Reg;
}
}
void MIRPrinter::convert(yaml::MachineFunction &MF,