diff options
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp b/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp index 75fb2d40653..493d014586c 100644 --- a/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp +++ b/llvm/lib/Transforms/Instrumentation/IndirectCallPromotion.cpp @@ -872,6 +872,10 @@ bool MemOPSizeOpt::perform(MemIntrinsic *MI) { if (ActualCount < MemOPCountThreshold) return false; + // Skip if the total value profiled count is 0, in which case we can't + // scale up the counts properly (and there is no profitable transformation). + if (TotalCount == 0) + return false; TotalCount = ActualCount; if (MemOPScaleCount) |
