[llvm] [AMDGPU] Simplify lowerBUILD_VECTOR (PR #109094)

[Piotr Sobczak via llvm-commits]

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@@ -7443,54 +7443,49 @@ SDValue SITargetLowering::lowerBUILD_VECTOR(SDValue Op,
   SDLoc SL(Op);
   EVT VT = Op.getValueType();
 
-  if (VT == MVT::v4i16 || VT == MVT::v4f16 || VT == MVT::v4bf16 ||
-      VT == MVT::v8i16 || VT == MVT::v8f16 || VT == MVT::v8bf16 ||
-      VT == MVT::v16i16 || VT == MVT::v16f16 || VT == MVT::v16bf16 ||
-      VT == MVT::v32i16 || VT == MVT::v32f16 || VT == MVT::v32bf16) {
+  if (VT == MVT::v2f16 || VT == MVT::v2i16 || VT == MVT::v2bf16) {
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piotrAMD wrote:

This commit just reorders the code, so v2* code goes at the beginning.

https://github.com/llvm/llvm-project/pull/109094