================
@@ -881,6 +881,23 @@ static bool isEndbrImm64(uint64_t Imm) {
return false;
}
+static bool needBWI(MVT VT) {
+ return (VT == MVT::v32i16 || VT == MVT::v32f16 || VT == MVT::v64i8);
+}
+
+static MVT getNarrowType(MVT VT) {
+ if (VT == MVT::v32i16)
+ return MVT::v16i16;
+ if (VT == MVT::v32f16)
+ return MVT::v16f16;
+ assert(VT == MVT::v64i8 && "Unexpected VT");
+ return MVT::v32i8;
+}
----------------
RKSimon wrote:
This can be done with:
```c
assert(needBWI(VT) && "Unexpected VT");
return VT.getHalfNumVectorElementsVT();
```
or we can just use getHalfNumVectorElementsVT directly and avoid the
getNarrowType helper
https://github.com/llvm/llvm-project/pull/73186
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