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-rw-r--r--llvm/lib/Target/X86/X86ISelLowering.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 6df80725002..d90b1397074 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -28747,6 +28747,7 @@ static SDValue combineX86ShuffleChain(ArrayRef<SDValue> Inputs, SDValue Root,
unsigned NumRootElts = RootVT.getVectorNumElements();
unsigned BaseMaskEltSizeInBits = RootSizeInBits / NumBaseMaskElts;
bool FloatDomain = VT1.isFloatingPoint() || VT2.isFloatingPoint() ||
+ (RootVT.isFloatingPoint() && Depth >= 2) ||
(RootVT.is256BitVector() && !Subtarget.hasAVX2());
// Don't combine if we are a AVX512/EVEX target and the mask element size
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