diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index df840d723e3..382f881f774 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -9480,11 +9480,11 @@ AddCombineBUILD_VECTORToVPADDL(SDNode *N, SDValue N0, SDValue N1, return SDValue(); } - // Don't generate vpaddl+vmovn; we'll match it to vpadd later. Also don't try - // to handle an i8 -> i32 situation (or similar). vpaddl can only double the - // size. - if (2 * Vec.getValueType().getVectorElementType().getSizeInBits() != - VT.getVectorElementType().getSizeInBits()) + // Don't generate vpaddl+vmovn; we'll match it to vpadd later. Also make sure + // we're using the entire input vector, otherwise there's a size/legality + // mismatch somewhere. + if (nextIndex != Vec.getValueType().getVectorNumElements() || + Vec.getValueType().getVectorElementType() == VT.getVectorElementType()) return SDValue(); // Create VPADDL node. |
