diff options
Diffstat (limited to 'llvm/lib/CodeGen/MIRParser/MIRParser.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MIRParser/MIRParser.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp index a179c593380..7966f389d3e 100644 --- a/llvm/lib/CodeGen/MIRParser/MIRParser.cpp +++ b/llvm/lib/CodeGen/MIRParser/MIRParser.cpp @@ -414,9 +414,11 @@ bool MIRParserImpl::initializeRegisterInfo(MachineFunction &MF, Twine("use of undefined register class '") + VReg.Class.Value + "'"); unsigned Reg = RegInfo.createVirtualRegister(RC); - // TODO: Report an error when the same virtual register with the same ID is - // redefined. - PFS.VirtualRegisterSlots.insert(std::make_pair(VReg.ID, Reg)); + if (!PFS.VirtualRegisterSlots.insert(std::make_pair(VReg.ID.Value, Reg)) + .second) + return error(VReg.ID.SourceRange.Start, + Twine("redefinition of virtual register '%") + + Twine(VReg.ID.Value) + "'"); if (!VReg.PreferredRegister.Value.empty()) { unsigned PreferredReg = 0; if (parseNamedRegisterReference(PreferredReg, SM, MF, |
