diff options
| author | Oliver Hunt <oliver@apple.com> | 2025-10-20 01:38:07 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-10-20 01:38:07 -0700 |
| commit | 7de01aa5d0418bd4e8db2917f831e7383c6863bb (patch) | |
| tree | 1db866f57c2236573cd4b4c2d141d6d420f87a92 /llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp | |
| parent | 6bc540043d4c3fed8f44c8f6de86be0d1740582e (diff) | |
| parent | 46a866ab7735aaa0f89fde209d516271c4825c49 (diff) | |
Merge branch 'main' into users/ojhunt/ptrauth-additionsusers/ojhunt/ptrauth-additions
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp index 0874b29ab7d2..019536ca91ae 100644 --- a/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp +++ b/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp @@ -1598,11 +1598,8 @@ bool LoopIdiomRecognize::optimizeCRCLoop(const PolynomialInfo &Info) { // crc = (crc << 8) ^ tbl[(iv'th byte of data) ^ (top byte of crc)] { auto LoByte = [](IRBuilderBase &Builder, Value *Op, const Twine &Name) { - Type *OpTy = Op->getType(); - unsigned OpBW = OpTy->getIntegerBitWidth(); - return OpBW > 8 - ? Builder.CreateAnd(Op, ConstantInt::get(OpTy, 0XFF), Name) - : Op; + return Builder.CreateZExtOrTrunc( + Op, IntegerType::getInt8Ty(Op->getContext()), Name); }; auto HiIdx = [LoByte, CRCBW](IRBuilderBase &Builder, Value *Op, const Twine &Name) { |