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| author | Dimitry Andric <dim@FreeBSD.org> | 2020-02-14 21:24:03 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-02-14 21:24:03 +0000 |
| commit | d75c7debad4509ece98792074e64b8a650a27bdb (patch) | |
| tree | f8d77975739b43bf7ffef0612579168cb9ec9474 /llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp | |
| parent | 9c2f6c4bb805c7ac08c8925c96e429fcc322725e (diff) | |
Notes
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp b/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp index c288a7d8d403..74654f7ef51d 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp @@ -1336,6 +1336,11 @@ static bool removeBitcastsFromLoadStoreOnMinMax(InstCombiner &IC, if (!isMinMaxWithLoads(LoadAddr, CmpLoadTy)) return false; + // Make sure the type would actually change. + // This condition can be hit with chains of bitcasts. + if (LI->getType() == CmpLoadTy) + return false; + // Make sure we're not changing the size of the load/store. const auto &DL = IC.getDataLayout(); if (DL.getTypeStoreSizeInBits(LI->getType()) != |