Differential D75098 Diff 261771 llvm/lib/CodeGen/MIRParser/MIRParser.cpp

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llvm/lib/CodeGen/MIRParser/MIRParser.cpp

Show First 20 Lines • Show All 303 Lines • ▼ Show 20 Lines	if (MMI.getMachineFunction(*F) != nullptr)
return error(Twine("redefinition of machine function '") + FunctionName +		return error(Twine("redefinition of machine function '") + FunctionName +
"'");		"'");

// Create the MachineFunction.		// Create the MachineFunction.
MachineFunction &MF = MMI.getOrCreateMachineFunction(*F);		MachineFunction &MF = MMI.getOrCreateMachineFunction(*F);
if (initializeMachineFunction(YamlMF, MF))		if (initializeMachineFunction(YamlMF, MF))
return true;		return true;

		// A block with INLINEASM_BR has extra information associated with it. The
		// indirect targets need to be identified as does the default target.
		DenseMap<const BasicBlock , MachineBasicBlock > BBToMBB;

		for (auto &mbb : MF)
		if (const auto *bb = mbb.getBasicBlock())
		BBToMBB[bb] = &mbb;

		for (auto &mbb : MF) {
		SmallPtrSet<MachineBasicBlock *, 2> Succs(mbb.succ_begin(), mbb.succ_end());

		for (const auto &term : mbb.terminators()) {
		if (term.getOpcode() != TargetOpcode::INLINEASM_BR)
		continue;

		for (const auto &mo : term.operands()) {
		if (!mo.isBlockAddress())
		continue;

		auto *succ = mo.getBlockAddress()->getBasicBlock();
		auto *msucc = BBToMBB[succ];

		Succs.erase(msucc);
		mbb.addInlineAsmBrIndirectTarget(msucc);
		}

		if (Succs.size() == 1)
		(*Succs.begin())->setInlineAsmBrDefaultTarget();
		}
		}

		arsenmUnsubmitted Not Done Reply Inline Actions This is an unrelated change arsenm: This is an unrelated change
return false;		return false;
}		}

static bool isSSA(const MachineFunction &MF) {		static bool isSSA(const MachineFunction &MF) {
const MachineRegisterInfo &MRI = MF.getRegInfo();		const MachineRegisterInfo &MRI = MF.getRegInfo();
for (unsigned I = 0, E = MRI.getNumVirtRegs(); I != E; ++I) {		for (unsigned I = 0, E = MRI.getNumVirtRegs(); I != E; ++I) {
unsigned Reg = Register::index2VirtReg(I);		unsigned Reg = Register::index2VirtReg(I);
if (!MRI.hasOneDef(Reg) && !MRI.def_empty(Reg))		if (!MRI.hasOneDef(Reg) && !MRI.def_empty(Reg))
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