[PGO] Fix deserialize bug

Raw function pointer collected by value
profile data may be from external functions
that are not instrumented. They won't have
mapping data to be used by the deserializer.
Force the value to be 0 in this case.

llvm-svn: 265890

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/lib/ProfileData/InstrProf.cpp b/llvm/lib/ProfileData/InstrProf.cpp
index cd7ddafd817..7e043e3792a 100644
--- a/llvm/lib/ProfileData/InstrProf.cpp
+++ b/llvm/lib/ProfileData/InstrProf.cpp
@@ -398,8 +398,10 @@ uint64_t InstrProfRecord::remapValue(uint64_t Value, uint32_t ValueKind,
         std::lower_bound(ValueMap->begin(), ValueMap->end(), Value,
                          [](const std::pair<uint64_t, uint64_t> &LHS,
                             uint64_t RHS) { return LHS.first < RHS; });
-    if (Result != ValueMap->end())
+    if (Result != ValueMap->end() && Result->first == Value)
       Value = (uint64_t)Result->second;
+    else
+      Value = 0;
     break;
   }
   }