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| author | Pengfei Wang <pengfei.wang@intel.com> | 2019-05-09 08:09:21 +0000 |
|---|---|---|
| committer | Pengfei Wang <pengfei.wang@intel.com> | 2019-05-09 08:09:21 +0000 |
| commit | c05aad05324c334b04b63e45a2faf431a17a9405 (patch) | |
| tree | cf61c0bfcf987ee6d3173d4ac8c15a2828fde4df /llvm/lib/CodeGen/LiveDebugVariables.cpp | |
| parent | 3edca1ac1aeab40a3396004f00e3c87049cd204a (diff) | |
| download | llvm-c05aad05324c334b04b63e45a2faf431a17a9405.zip llvm-c05aad05324c334b04b63e45a2faf431a17a9405.tar.gz llvm-c05aad05324c334b04b63e45a2faf431a17a9405.tar.bz2 | |
Bugfix for nullptr check by klocwork
Klocwork static check:
Pointer from call to function `DebugLoc::operator DILocation *() const `
may be NULL and will be dereference in function `printExtendedName```
Patch by Shengchen Kan (skan)
Differential Revision: https://reviews.llvm.org/D61715
llvm-svn: 360317
Diffstat (limited to 'llvm/lib/CodeGen/LiveDebugVariables.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/LiveDebugVariables.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp index 65d3071..648d3ee 100644 --- a/llvm/lib/CodeGen/LiveDebugVariables.cpp +++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp @@ -504,7 +504,8 @@ static void printExtendedName(raw_ostream &OS, const DINode *Node, if (!Res.empty()) OS << Res << "," << Line; - if (auto *InlinedAt = DL->getInlinedAt()) { + auto *InlinedAt = DL ? DL->getInlinedAt() : nullptr; + if (InlinedAt) { if (DebugLoc InlinedAtDL = InlinedAt) { OS << " @["; printDebugLoc(InlinedAtDL, OS, Ctx); |