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| author | Nikita Popov <npopov@redhat.com> | 2022-03-11 14:30:02 +0100 |
|---|---|---|
| committer | Nikita Popov <npopov@redhat.com> | 2022-03-11 14:30:02 +0100 |
| commit | 7781f61efa1823faadf73819785b8b8acd288914 (patch) | |
| tree | eaed89d83a5936cf7d971c4eead595f8551e75cf /llvm/lib/IR/ConstantFold.cpp | |
| parent | 853beb55e14615ade795e18d218305c1dfdb5181 (diff) | |
| download | llvm-7781f61efa1823faadf73819785b8b8acd288914.zip llvm-7781f61efa1823faadf73819785b8b8acd288914.tar.gz llvm-7781f61efa1823faadf73819785b8b8acd288914.tar.bz2 | |
[ConstantFold] Fix scalable shufflevector fold with all-undef mask
If the input is scalable, we should not be returning a fixed-width
vector as a result.
Diffstat (limited to 'llvm/lib/IR/ConstantFold.cpp')
| -rw-r--r-- | llvm/lib/IR/ConstantFold.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/IR/ConstantFold.cpp b/llvm/lib/IR/ConstantFold.cpp index 936b1fc..74200b9 100644 --- a/llvm/lib/IR/ConstantFold.cpp +++ b/llvm/lib/IR/ConstantFold.cpp @@ -724,7 +724,7 @@ Constant *llvm::ConstantFoldShuffleVectorInstruction(Constant *V1, Constant *V2, // Undefined shuffle mask -> undefined value. if (all_of(Mask, [](int Elt) { return Elt == UndefMaskElem; })) { - return UndefValue::get(FixedVectorType::get(EltTy, MaskNumElts)); + return UndefValue::get(VectorType::get(EltTy, MaskEltCount)); } // If the mask is all zeros this is a splat, no need to go through all |