diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 0d454149301..706b1a2f80c 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -6409,12 +6409,16 @@ static bool isVectorBroadcast(SDValue &Op) { if (Is256) V = V.getOperand(1); - if (V.hasOneUse() && V.getOpcode() != ISD::SCALAR_TO_VECTOR) + + if (!V.hasOneUse()) return false; // Check the source scalar_to_vector type. 256-bit broadcasts are // supported for 32/64-bit sizes, while 128-bit ones are only supported // for 32-bit scalars. + if (V.getOpcode() != ISD::SCALAR_TO_VECTOR) + return false; + unsigned ScalarSize = V.getOperand(0).getValueType().getSizeInBits(); if (ScalarSize != 32 && ScalarSize != 64) return false; |
