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| author | Dimitry Andric <dim@FreeBSD.org> | 2017-05-17 20:22:39 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-05-17 20:22:39 +0000 |
| commit | 7af96fb3afd6725a2824a0a5ca5dad34e5e0b056 (patch) | |
| tree | 6661ffbabf869009597684462f5a3df3beccc952 /lib/CodeGen/GlobalISel/IRTranslator.cpp | |
| parent | 6b3f41ed88e8e440e11a4fbf20b6600529f80049 (diff) | |
| download | src-7af96fb3afd6725a2824a0a5ca5dad34e5e0b056.tar.gz src-7af96fb3afd6725a2824a0a5ca5dad34e5e0b056.zip | |
Vendor import of llvm trunk r303291:vendor/llvm/llvm-trunk-r303291
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=318414
svn path=/vendor/llvm/llvm-trunk-r303291/; revision=318415; tag=vendor/llvm/llvm-trunk-r303291
Diffstat (limited to 'lib/CodeGen/GlobalISel/IRTranslator.cpp')
| -rw-r--r-- | lib/CodeGen/GlobalISel/IRTranslator.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/GlobalISel/IRTranslator.cpp b/lib/CodeGen/GlobalISel/IRTranslator.cpp index 811858f136eb..77dfb13ac1f2 100644 --- a/lib/CodeGen/GlobalISel/IRTranslator.cpp +++ b/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) { |