[llvm] [AMDGPU] Legalize 64bit elements for BUILD_VECTOR on gfx942 (PR #145052)

[Chris Jackson via llvm-commits]

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@@ -672,9 +677,12 @@ void AMDGPUDAGToDAGISel::Select(SDNode *N) {
       break;
     }
 
-    assert(VT.getVectorElementType().bitsEq(MVT::i32));
+    EVT VET = VT.getVectorElementType();
+    assert(VET.bitsEq(MVT::i32) || VET.bitsEq(MVT::i64));
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chrisjbris wrote:

Perhaps add a helpful assert message.

https://github.com/llvm/llvm-project/pull/145052