diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUtils.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index fd35cd05c62..09e9f1ddc7f 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -1086,9 +1086,6 @@ Optional<unsigned> llvm::getLoopEstimatedTripCount(Loop *L) { // To estimate the number of times the loop body was executed, we want to // know the number of times the backedge was taken, vs. the number of times // we exited the loop. - // The branch weights give us almost what we want, since they were adjusted - // from the raw counts to provide a better probability estimate. Remove - // the adjustment by subtracting 1 from both weights. uint64_t TrueVal, FalseVal; if (!LatchBR->extractProfMetadata(TrueVal, FalseVal)) return None; |
