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MIR Serialization: Serialize the unnamed basic block references.

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This commit serializes the references from the machine basic blocks to the
unnamed basic blocks.

This commit adds a new attribute to the machine basic block's YAML mapping
called 'ir-block'. This attribute contains the actual reference to the
basic block.

Reviewers: Duncan P. N. Exon Smith


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243340 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-07-27 22:42:41 +00:00
parent 3f7b911196
commit 01b5d5b27f
10 changed files with 147 additions and 7 deletions
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17
lib/CodeGen/MIRPrinter.cpp
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@@ -163,6 +163,7 @@ void MIRPrinter::print(const MachineFunction &MF) {
convert(YamlMF, *ConstantPool);
ModuleSlotTracker MST(MF.getFunction()->getParent());
MST.incorporateFunction(*MF.getFunction());
if (const auto *JumpTableInfo = MF.getJumpTableInfo())
convert(MST, YamlMF.JumpTableInfo, *JumpTableInfo);
int I = 0;
@@ -336,11 +337,17 @@ void MIRPrinter::convert(ModuleSlotTracker &MST,
const MachineBasicBlock &MBB) {
assert(MBB.getNumber() >= 0 && "Invalid MBB number");
YamlMBB.ID = (unsigned)MBB.getNumber();
// TODO: Serialize unnamed BB references.
if (const auto *BB = MBB.getBasicBlock())
YamlMBB.Name.Value = BB->hasName() ? BB->getName() : "<unnamed bb>";
else
YamlMBB.Name.Value = "";
if (const auto *BB = MBB.getBasicBlock()) {
if (BB->hasName()) {
YamlMBB.Name.Value = BB->getName();
} else {
int Slot = MST.getLocalSlot(BB);
if (Slot == -1)
YamlMBB.IRBlock.Value = "<badref>";
else
YamlMBB.IRBlock.Value = (Twine("%ir-block.") + Twine(Slot)).str();
}
}
YamlMBB.Alignment = MBB.getAlignment();
YamlMBB.AddressTaken = MBB.hasAddressTaken();
YamlMBB.IsLandingPad = MBB.isLandingPad();