[NewPassManager] Add tuning option: SLPVectorization [clang-change]
Summary:
NewPassManager is not using CodeGenOpts values before this patch.
[to be coupled with D61616]
Reviewers: chandlerc
Subscribers: jlebar, cfe-commits, llvm-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D61617
llvm-svn: 361534
diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index 32eb776..1dbeec1 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -1050,7 +1050,14 @@
CodeGenOpts.DebugInfoForProfiling);
}
- PassBuilder PB(TM.get(), PipelineTuningOptions(), PGOOpt);
+ PipelineTuningOptions PTO;
+ // For historical reasons, loop interleaving is set to mirror setting for loop
+ // unrolling.
+ PTO.LoopInterleaving = CodeGenOpts.UnrollLoops;
+ PTO.LoopVectorization = CodeGenOpts.VectorizeLoop;
+ PTO.SLPVectorization = CodeGenOpts.VectorizeSLP;
+
+ PassBuilder PB(TM.get(), PTO, PGOOpt);
// Attempt to load pass plugins and register their callbacks with PB.
for (auto &PluginFN : CodeGenOpts.PassPlugins) {