diff options
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp index 811858f136e..77dfb13ac1f 100644 --- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp +++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp @@ -1129,6 +1129,11 @@ void IRTranslator::finalizeFunction() { ValToVReg.clear(); FrameIndices.clear(); MachinePreds.clear(); + // MachineIRBuilder::DebugLoc can outlive the DILocation it holds. Clear it + // to avoid accessing free’d memory (in runOnMachineFunction) and to avoid + // destroying it twice (in ~IRTranslator() and ~LLVMContext()) + EntryBuilder = MachineIRBuilder(); + CurBuilder = MachineIRBuilder(); } bool IRTranslator::runOnMachineFunction(MachineFunction &CurMF) { |
