MIR Parser: Use source locations for MBB naming errors.

This commit changes the type of the field 'Name' in the struct
'yaml::MachineBasicBlock' from 'std::string' to 'yaml::StringValue'. This change
allows the MIR parser to report errors related to the MBB name with the proper
source locations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241718 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz 2015-07-08 20:22:20 +00:00
parent ea64a51108
commit 31512fe6ce
4 changed files with 23 additions and 9 deletions

View File

@ -83,7 +83,7 @@ namespace yaml {
struct MachineBasicBlock {
unsigned ID;
std::string Name;
StringValue Name;
unsigned Alignment = 0;
bool IsLandingPad = false;
bool AddressTaken = false;
@ -97,7 +97,7 @@ template <> struct MappingTraits<MachineBasicBlock> {
static void mapping(IO &YamlIO, MachineBasicBlock &MBB) {
YamlIO.mapRequired("id", MBB.ID);
YamlIO.mapOptional("name", MBB.Name,
std::string()); // Don't print out an empty name.
StringValue()); // Don't print out an empty name.
YamlIO.mapOptional("alignment", MBB.Alignment);
YamlIO.mapOptional("isLandingPad", MBB.IsLandingPad);
YamlIO.mapOptional("addressTaken", MBB.AddressTaken);

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@ -60,6 +60,11 @@ public:
/// Always returns true.
bool error(const Twine &Message);
/// Report an error with the given message at the given location.
///
/// Always returns true.
bool error(SMLoc Loc, const Twine &Message);
/// Report a given error with the location translated from the location in an
/// embedded string literal to a location in the MIR file.
///
@ -124,6 +129,12 @@ bool MIRParserImpl::error(const Twine &Message) {
return true;
}
bool MIRParserImpl::error(SMLoc Loc, const Twine &Message) {
Context.diagnose(DiagnosticInfoMIRParser(
DS_Error, SM.GetMessage(Loc, SourceMgr::DK_Error, Message)));
return true;
}
bool MIRParserImpl::error(const SMDiagnostic &Error, SMRange SourceRange) {
assert(Error.getKind() == SourceMgr::DK_Error && "Expected an error");
reportDiagnostic(diagFromMIStringDiag(Error, SourceRange));
@ -239,12 +250,15 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) {
const auto &F = *MF.getFunction();
for (const auto &YamlMBB : YamlMF.BasicBlocks) {
const BasicBlock *BB = nullptr;
if (!YamlMBB.Name.empty()) {
const yaml::StringValue &Name = YamlMBB.Name;
if (!Name.Value.empty()) {
BB = dyn_cast_or_null<BasicBlock>(
F.getValueSymbolTable().lookup(YamlMBB.Name));
F.getValueSymbolTable().lookup(Name.Value));
if (!BB)
return error(Twine("basic block '") + YamlMBB.Name +
"' is not defined in the function '" + MF.getName() + "'");
return error(Name.SourceRange.Start,
Twine("basic block '") + Name.Value +
"' is not defined in the function '" + MF.getName() +
"'");
}
auto *MBB = MF.CreateMachineBasicBlock(BB);
MF.insert(MF.end(), MBB);

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@ -127,9 +127,9 @@ void MIRPrinter::convert(ModuleSlotTracker &MST,
YamlMBB.ID = (unsigned)MBB.getNumber();
// TODO: Serialize unnamed BB references.
if (const auto *BB = MBB.getBasicBlock())
YamlMBB.Name = BB->hasName() ? BB->getName() : "<unnamed bb>";
YamlMBB.Name.Value = BB->hasName() ? BB->getName() : "<unnamed bb>";
else
YamlMBB.Name = "";
YamlMBB.Name.Value = "";
YamlMBB.Alignment = MBB.getAlignment();
YamlMBB.AddressTaken = MBB.hasAddressTaken();
YamlMBB.IsLandingPad = MBB.isLandingPad();

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@ -13,7 +13,7 @@
---
name: foo
body:
# CHECK: basic block 'entrie' is not defined in the function 'foo'
# CHECK: [[@LINE+2]]:18: basic block 'entrie' is not defined in the function 'foo'
- id: 0
name: entrie
...