================
@@ -959,7 +959,20 @@ static mlir::Value emitCommonNeonBuiltinExpr(
case NEON::BI__builtin_neon_vshlq_n_v:
return emitCommonNeonShift(cgf.getBuilder(), loc, vTy, ops[0], ops[1],
/*shiftLeft=*/true);
- case NEON::BI__builtin_neon_vshll_n_v:
+ case NEON::BI__builtin_neon_vshll_n_v: {
+ CIRGenBuilderTy &builder = cgf.getBuilder();
+ auto wideEltTy = mlir::cast<cir::IntType>(vTy.getElementType());
+ cir::VectorType narrowVecTy = cir::VectorType::get(
----------------
E00N777 wrote:
Maybe we could simply implement it like this:
```
case NEON::BI__builtin_neon_vshll_n_v: {
CIRGenBuilderTy &builder = cgf.getBuilder();
cir::VectorType narrowVecTy =
builder.getExtendedOrTruncatedElementVectorType(
vTy, /*isExtended=*/false, /*isSigned=*/!usgn);
mlir::Value src = builder.createBitcast(ops[0], narrowVecTy);
mlir::Value extended = builder.createIntCast(src, vTy);
return emitCommonNeonShift(builder, loc, vTy, extended, ops[1],
/*shiftLeft=*/true);
}
```
https://github.com/llvm/llvm-project/pull/204285
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