Author: Simon Pilgrim Date: 2021-01-07T14:21:54Z New Revision: fa6d8977999096b2a3ae1357aa38ddf73abaf414
URL: https://github.com/llvm/llvm-project/commit/fa6d8977999096b2a3ae1357aa38ddf73abaf414 DIFF: https://github.com/llvm/llvm-project/commit/fa6d8977999096b2a3ae1357aa38ddf73abaf414.diff LOG: [Analysis] MemoryDepChecker::couldPreventStoreLoadForward - remove dead store. NFCI. As we're breaking from the loop when clamping MaxVF, clang static analyzer was warning that the VF iterator was being updated and never used. Added: Modified: llvm/lib/Analysis/LoopAccessAnalysis.cpp Removed: ################################################################################ diff --git a/llvm/lib/Analysis/LoopAccessAnalysis.cpp b/llvm/lib/Analysis/LoopAccessAnalysis.cpp index be340a3b3130..76e172534176 100644 --- a/llvm/lib/Analysis/LoopAccessAnalysis.cpp +++ b/llvm/lib/Analysis/LoopAccessAnalysis.cpp @@ -1338,7 +1338,7 @@ bool MemoryDepChecker::couldPreventStoreLoadForward(uint64_t Distance, // If the number of vector iteration between the store and the load are // small we could incur conflicts. if (Distance % VF && Distance / VF < NumItersForStoreLoadThroughMemory) { - MaxVFWithoutSLForwardIssues = (VF >>= 1); + MaxVFWithoutSLForwardIssues = (VF >> 1); break; } } _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
