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Diffstat (limited to 'lib/Transforms/Scalar/SampleProfile.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/SampleProfile.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SampleProfile.cpp b/lib/Transforms/Scalar/SampleProfile.cpp index c7232a9..3e7cf04 100644 --- a/lib/Transforms/Scalar/SampleProfile.cpp +++ b/lib/Transforms/Scalar/SampleProfile.cpp @@ -217,6 +217,9 @@ void SampleProfileLoader::printBlockWeight(raw_ostream &OS, BasicBlock *BB) { /// \returns The profiled weight of I. unsigned SampleProfileLoader::getInstWeight(Instruction &Inst) { DebugLoc DLoc = Inst.getDebugLoc(); + if (DLoc.isUnknown()) + return 0; + unsigned Lineno = DLoc.getLine(); if (Lineno < HeaderLineno) return 0; |