diff options
Diffstat (limited to 'clang/lib/CodeGen/BackendUtil.cpp')
| -rw-r--r-- | clang/lib/CodeGen/BackendUtil.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp index 67a6bb0904e..a43ebe9a2e0 100644 --- a/clang/lib/CodeGen/BackendUtil.cpp +++ b/clang/lib/CodeGen/BackendUtil.cpp @@ -560,6 +560,9 @@ void EmitAssemblyHelper::CreatePasses(legacy::PassManager &MPM, PMBuilder.LoopVectorize = CodeGenOpts.VectorizeLoop; PMBuilder.DisableUnrollLoops = !CodeGenOpts.UnrollLoops; + // Loop interleaving in the loop vectorizer has historically been set to be + // enabled when loop unrolling is enabled. + PMBuilder.LoopsInterleaved = CodeGenOpts.UnrollLoops; PMBuilder.MergeFunctions = CodeGenOpts.MergeFunctions; PMBuilder.PrepareForThinLTO = CodeGenOpts.PrepareForThinLTO; PMBuilder.PrepareForLTO = CodeGenOpts.PrepareForLTO; |
