diff options
Diffstat (limited to 'llvm/lib/Analysis/ProfileSummaryInfo.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ProfileSummaryInfo.cpp | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/llvm/lib/Analysis/ProfileSummaryInfo.cpp b/llvm/lib/Analysis/ProfileSummaryInfo.cpp index 5ca18303338..623c9fac52a 100644 --- a/llvm/lib/Analysis/ProfileSummaryInfo.cpp +++ b/llvm/lib/Analysis/ProfileSummaryInfo.cpp @@ -124,18 +124,7 @@ bool ProfileSummaryInfo::isColdCount(uint64_t C) { bool ProfileSummaryInfo::isHotBB(const BasicBlock *B, BlockFrequencyInfo *BFI) { auto Count = BFI->getBlockProfileCount(B); - if (Count && isHotCount(*Count)) - return true; - // Use extractProfTotalWeight to get BB count. - // For Sample PGO, BFI may not provide accurate BB count due to errors - // magnified during sample count propagation. This serves as a backup plan - // to ensure all hot BB will not be missed. - // The query currently has false positives as branch instruction cloning does - // not update/scale branch weights. Unlike false negatives, this will not cause - // performance problem. - uint64_t TotalCount; - auto *TI = B->getTerminator(); - return extractProfTotalWeight(TI, TotalCount) && isHotCount(TotalCount); + return Count && isHotCount(*Count); } bool ProfileSummaryInfo::isColdBB(const BasicBlock *B, |
