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MIR Parser: report an error when a basic block isn't found.

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This commit reports an error when the MIR parser can't find
a basic block with the machine basic block's name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240174 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Alex Lorenz
2015-06-19 20:12:03 +00:00
parent d8c98f16bb
commit dc6d65201d
2 changed files with 21 additions and 1 deletions
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4
lib/CodeGen/MIRParser/MIRParser.cpp
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@@ -212,7 +212,9 @@ bool MIRParserImpl::initializeMachineFunction(MachineFunction &MF) {
if (!YamlMBB.Name.empty()) {
BB = dyn_cast_or_null<BasicBlock>(
F.getValueSymbolTable().lookup(YamlMBB.Name));
// TODO: Report an error if a basic block isn't found.
if (!BB)
return error(Twine("basic block '") + YamlMBB.Name +
"' is not defined in the function '" + MF.getName() + "'");
}
auto *MBB = MF.CreateMachineBasicBlock(BB);
MF.insert(MF.end(), MBB);