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Code Issues Projects Releases Wiki Activity

MIR Serialization: Serialize the virtual register operands.

Browse Source 
Reviewers: Duncan P. N. Exon Smith

Differential Revision: http://reviews.llvm.org/D11005


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241959 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-10 22:51:20 +00:00
parent c3b47b30ab
commit 1cca87a981
8 changed files with 149 additions and 17 deletions
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23
lib/CodeGen/MIRParser/MIRParser.cpp
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@@ -102,9 +102,11 @@ public:
const yaml::MachineBasicBlock &YamlMBB,
const PerFunctionMIParsingState &PFS);
bool initializeRegisterInfo(const MachineFunction &MF,
MachineRegisterInfo &RegInfo,
const yaml::MachineFunction &YamlMF);
bool
initializeRegisterInfo(const MachineFunction &MF,
MachineRegisterInfo &RegInfo,
const yaml::MachineFunction &YamlMF,
DenseMap<unsigned, unsigned> &VirtualRegisterSlots);
bool initializeFrameInfo(MachineFrameInfo &MFI,
const yaml::MachineFunction &YamlMF);
@@ -258,12 +260,13 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) {
MF.setAlignment(YamlMF.Alignment);
MF.setExposesReturnsTwice(YamlMF.ExposesReturnsTwice);
MF.setHasInlineAsm(YamlMF.HasInlineAsm);
if (initializeRegisterInfo(MF, MF.getRegInfo(), YamlMF))
PerFunctionMIParsingState PFS;
if (initializeRegisterInfo(MF, MF.getRegInfo(), YamlMF,
PFS.VirtualRegisterSlots))
return true;
if (initializeFrameInfo(*MF.getFrameInfo(), YamlMF))
return true;
PerFunctionMIParsingState PFS;
const auto &F = *MF.getFunction();
for (const auto &YamlMBB : YamlMF.BasicBlocks) {
const BasicBlock *BB = nullptr;
@@ -330,7 +333,8 @@ bool MIRParserImpl::initializeMachineBasicBlock(
bool MIRParserImpl::initializeRegisterInfo(
const MachineFunction &MF, MachineRegisterInfo &RegInfo,
const yaml::MachineFunction &YamlMF) {
const yaml::MachineFunction &YamlMF,
DenseMap<unsigned, unsigned> &VirtualRegisterSlots) {
assert(RegInfo.isSSA());
if (!YamlMF.IsSSA)
RegInfo.leaveSSA();
@@ -346,9 +350,10 @@ bool MIRParserImpl::initializeRegisterInfo(
return error(VReg.Class.SourceRange.Start,
Twine("use of undefined register class '") +
VReg.Class.Value + "'");
// TODO: create the mapping from IDs to registers so that the virtual
// register references can be parsed correctly.
RegInfo.createVirtualRegister(RC);
unsigned Reg = RegInfo.createVirtualRegister(RC);
// TODO: Report an error when the same virtual register with the same ID is
// redefined.
VirtualRegisterSlots.insert(std::make_pair(VReg.ID, Reg));
}
return false;
}