================
@@ -565,13 +580,31 @@ mlir::Value CIRGenFunction::emitLoadOfScalar(Address
addr, bool isVolatile,
return nullptr;
}
- const auto vecTy = cast<cir::VectorType>(eltTy);
+ // Handles vectors of sizes that are likely to be expanded to a larger size
+ // to optimize performance.
+ auto vecTy = cast<cir::VectorType>(eltTy);
+ cir::VectorType newVecTy =
+ cgm.getTargetCIRGenInfo().getABIInfo().getOptimalVectorMemoryType(
+ vecTy, getLangOpts());
+
+ if (vecTy != newVecTy) {
+ Address cast = addr.withElementType(builder, newVecTy);
+ mlir::Value value = builder.createLoad(cgm.getLoc(loc), cast,
isVolatile);
+
+ unsigned oldNumElements = vecTy.getSize();
----------------
andykaylor wrote:
Can you assert that `newVecTy->getSize() > oldNumElements`?
https://github.com/llvm/llvm-project/pull/161232
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