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| author | Stephen Long <steplong@quicinc.com> | 2022-03-02 09:55:35 -0800 |
|---|---|---|
| committer | Eli Friedman <efriedma@quicinc.com> | 2022-03-02 09:56:20 -0800 |
| commit | 2f6c14816abc883a5f9342182a538c39acdf0431 (patch) | |
| tree | d6492956417ca88cba50898dde9b5f06093afdf3 /llvm/lib/Transforms/Utils/LoopPeel.cpp | |
| parent | 324c0a72061e8337a62f9af1ffc5bf6f59b8340c (diff) | |
| download | llvm-2f6c14816abc883a5f9342182a538c39acdf0431.zip llvm-2f6c14816abc883a5f9342182a538c39acdf0431.tar.gz llvm-2f6c14816abc883a5f9342182a538c39acdf0431.tar.bz2 | |
[LoopPeel] Add EXPENSIVE_CHECKS ifdef guard around domtree verify call
The verify call was taking 50% of the compile time in our internal LLVM
fork when trying to unroll many loops.
Differential Revision: https://reviews.llvm.org/D113028
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopPeel.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopPeel.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopPeel.cpp b/llvm/lib/Transforms/Utils/LoopPeel.cpp index 8f33189..609e10c 100644 --- a/llvm/lib/Transforms/Utils/LoopPeel.cpp +++ b/llvm/lib/Transforms/Utils/LoopPeel.cpp @@ -904,8 +904,10 @@ bool llvm::peelLoop(Loop *L, unsigned PeelCount, LoopInfo *LI, // We modified the loop, update SE. SE->forgetTopmostLoop(L); +#ifdef EXPENSIVE_CHECKS // Finally DomtTree must be correct. assert(DT.verify(DominatorTree::VerificationLevel::Fast)); +#endif // FIXME: Incrementally update loop-simplify simplifyLoop(L, &DT, LI, SE, AC, nullptr, PreserveLCSSA); |