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MIR Serialization: Serialize the virtual register definitions.

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The virtual registers are serialized using a YAML sequence of YAML inline
mappings. Each mapping has the id of the virtual register and the register
class.

Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D10981


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241868 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-09 22:23:13 +00:00
parent 81e7e2dfab
commit ad6702ec23
5 changed files with 141 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
lib/CodeGen/MIRPrinter.cpp
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@ -42,7 +42,8 @@ public:
void print(const MachineFunction &MF);
void convert(yaml::MachineFunction &MF, const MachineRegisterInfo &RegInfo);
void convert(yaml::MachineFunction &MF, const MachineRegisterInfo &RegInfo,
const TargetRegisterInfo *TRI);
void convert(yaml::MachineFrameInfo &YamlMFI, const MachineFrameInfo &MFI);
void convert(ModuleSlotTracker &MST, yaml::MachineBasicBlock &YamlMBB,
const MachineBasicBlock &MBB);
@ -95,7 +96,7 @@ void MIRPrinter::print(const MachineFunction &MF) {
YamlMF.Alignment = MF.getAlignment();
YamlMF.ExposesReturnsTwice = MF.exposesReturnsTwice();
YamlMF.HasInlineAsm = MF.hasInlineAsm();
convert(YamlMF, MF.getRegInfo());
convert(YamlMF, MF.getRegInfo(), MF.getSubtarget().getRegisterInfo());
convert(YamlMF.FrameInfo, *MF.getFrameInfo());
int I = 0;
@ -117,10 +118,21 @@ void MIRPrinter::print(const MachineFunction &MF) {
}
void MIRPrinter::convert(yaml::MachineFunction &MF,
const MachineRegisterInfo &RegInfo) {
const MachineRegisterInfo &RegInfo,
const TargetRegisterInfo *TRI) {
MF.IsSSA = RegInfo.isSSA();
MF.TracksRegLiveness = RegInfo.tracksLiveness();
MF.TracksSubRegLiveness = RegInfo.subRegLivenessEnabled();
// Print the virtual register definitions.
for (unsigned I = 0, E = RegInfo.getNumVirtRegs(); I < E; ++I) {
unsigned Reg = TargetRegisterInfo::index2VirtReg(I);
yaml::VirtualRegisterDefinition VReg;
VReg.ID = I;
VReg.Class =
StringRef(TRI->getRegClassName(RegInfo.getRegClass(Reg))).lower();
MF.VirtualRegisters.push_back(VReg);
}
}
void MIRPrinter::convert(yaml::MachineFrameInfo &YamlMFI,