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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2020-02-25 21:51:02 +0300 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2020-02-25 23:05:57 +0300 |
| commit | b99c91a0872f4b7b7e482c40818bbdda4c967bd5 (patch) | |
| tree | 94d3e27ad2b717093f9924e2178afb17cc27597d /llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | |
| parent | 0789f280483e315d8bcb5e7005e04e7118983b21 (diff) | |
| download | llvm-b99c91a0872f4b7b7e482c40818bbdda4c967bd5.zip llvm-b99c91a0872f4b7b7e482c40818bbdda4c967bd5.tar.gz llvm-b99c91a0872f4b7b7e482c40818bbdda4c967bd5.tar.bz2 | |
[NFC][SCEV] Piping to pass new SCEVCheapExpansionBudget option into SCEVExpander::isHighCostExpansionHelper()
Summary:
In future patches`SCEVExpander::isHighCostExpansionHelper()` will respect the budget allocated by performing TTI cost modelling.
This is a fully NFC patch to make things reviewable.
Reviewers: reames, mkazantsev, wmi, sanjoy
Reviewed By: mkazantsev
Subscribers: hiraditya, zzheng, javed.absar, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D73705
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp index c9cc511..b8f8cc3 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp @@ -635,7 +635,8 @@ bool llvm::UnrollRuntimeLoopRemainder( const DataLayout &DL = Header->getModule()->getDataLayout(); SCEVExpander Expander(*SE, DL, "loop-unroll"); if (!AllowExpensiveTripCount && - Expander.isHighCostExpansion(TripCountSC, L, TTI, PreHeaderBR)) { + Expander.isHighCostExpansion(TripCountSC, L, SCEVCheapExpansionBudget, + TTI, PreHeaderBR)) { LLVM_DEBUG(dbgs() << "High cost for expanding trip count scev!\n"); return false; } |