Don't assert about missing profile info in createProfileWeightsForLoop
The compiler shouldn't crash if the profile info is slightly off. We hit
this in Chromium.
Differential revision: https://reviews.llvm.org/D79417
diff --git a/clang/lib/CodeGen/CodeGenPGO.cpp b/clang/lib/CodeGen/CodeGenPGO.cpp
index bad796b..3c91a04 100644
--- a/clang/lib/CodeGen/CodeGenPGO.cpp
+++ b/clang/lib/CodeGen/CodeGenPGO.cpp
@@ -1051,8 +1051,7 @@
if (!PGO.haveRegionCounts())
return nullptr;
Optional<uint64_t> CondCount = PGO.getStmtCount(Cond);
- assert(CondCount.hasValue() && "missing expected loop condition count");
- if (*CondCount == 0)
+ if (!CondCount || *CondCount == 0)
return nullptr;
return createProfileWeights(LoopCount,
std::max(*CondCount, LoopCount) - LoopCount);