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MIR Serialization: Serialize the frame info's save and restore points.

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This commit serializes the save and restore machine basic block references from
the machine frame information class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243575 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-29 21:09:09 +00:00
parent 3b4ca38ce1
commit 81474d36a0
4 changed files with 111 additions and 9 deletions
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18
lib/CodeGen/MIRParser/MIRParser.cpp
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@@ -282,8 +282,6 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) {
PerFunctionMIParsingState PFS;
if (initializeRegisterInfo(MF, YamlMF, PFS))
return true;
if (initializeFrameInfo(MF, YamlMF, PFS))
return true;
if (!YamlMF.Constants.empty()) {
auto *ConstantPool = MF.getConstantPool();
assert(ConstantPool && "Constant pool must be created");
@@ -324,6 +322,10 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) {
if (YamlMF.BasicBlocks.empty())
return error(Twine("machine function '") + Twine(MF.getName()) +
"' requires at least one machine basic block in its body");
// Initialize the frame information after creating all the MBBs so that the
// MBB references in the frame information can be resolved.
if (initializeFrameInfo(MF, YamlMF, PFS))
return true;
// Initialize the jump table after creating all the MBBs so that the MBB
// references can be resolved.
if (!YamlMF.JumpTableInfo.Entries.empty() &&
@@ -450,6 +452,18 @@ bool MIRParserImpl::initializeFrameInfo(MachineFunction &MF,
MFI.setHasOpaqueSPAdjustment(YamlMFI.HasOpaqueSPAdjustment);
MFI.setHasVAStart(YamlMFI.HasVAStart);
MFI.setHasMustTailInVarArgFunc(YamlMFI.HasMustTailInVarArgFunc);
if (!YamlMFI.SavePoint.Value.empty()) {
MachineBasicBlock *MBB = nullptr;
if (parseMBBReference(MBB, YamlMFI.SavePoint, MF, PFS))
return true;
MFI.setSavePoint(MBB);
}
if (!YamlMFI.RestorePoint.Value.empty()) {
MachineBasicBlock *MBB = nullptr;
if (parseMBBReference(MBB, YamlMFI.RestorePoint, MF, PFS))
return true;
MFI.setRestorePoint(MBB);
}
std::vector<CalleeSavedInfo> CSIInfo;
// Initialize the fixed frame objects.