diff options
Diffstat (limited to 'llvm/lib/Transforms/IPO/PartialInlining.cpp')
| -rw-r--r-- | llvm/lib/Transforms/IPO/PartialInlining.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/IPO/PartialInlining.cpp b/llvm/lib/Transforms/IPO/PartialInlining.cpp index a0f0b6726cc..e193074884a 100644 --- a/llvm/lib/Transforms/IPO/PartialInlining.cpp +++ b/llvm/lib/Transforms/IPO/PartialInlining.cpp @@ -1122,6 +1122,9 @@ bool PartialInlinerImpl::FunctionCloner::doMultiRegionFunctionOutlining() { BranchProbabilityInfo BPI(*ClonedFunc, LI); ClonedFuncBFI.reset(new BlockFrequencyInfo(*ClonedFunc, BPI, LI)); + // Cache and recycle the CodeExtractor analysis to avoid O(n^2) compile-time. + CodeExtractorAnalysisCache CEAC(*ClonedFunc); + SetVector<Value *> Inputs, Outputs, Sinks; for (FunctionOutliningMultiRegionInfo::OutlineRegionInfo RegionInfo : ClonedOMRI->ORI) { @@ -1148,7 +1151,7 @@ bool PartialInlinerImpl::FunctionCloner::doMultiRegionFunctionOutlining() { if (Outputs.size() > 0 && !ForceLiveExit) continue; - Function *OutlinedFunc = CE.extractCodeRegion(); + Function *OutlinedFunc = CE.extractCodeRegion(CEAC); if (OutlinedFunc) { CallSite OCS = PartialInlinerImpl::getOneCallSiteTo(OutlinedFunc); @@ -1210,11 +1213,12 @@ PartialInlinerImpl::FunctionCloner::doSingleRegionFunctionOutlining() { } // Extract the body of the if. + CodeExtractorAnalysisCache CEAC(*ClonedFunc); Function *OutlinedFunc = CodeExtractor(ToExtract, &DT, /*AggregateArgs*/ false, ClonedFuncBFI.get(), &BPI, LookupAC(*ClonedFunc), /* AllowVarargs */ true) - .extractCodeRegion(); + .extractCodeRegion(CEAC); if (OutlinedFunc) { BasicBlock *OutliningCallBB = |
