[llvm] [RISCV] Adapt the element type of EVec into ContainerVT in lowerBUILD_VECTOR (PR #159373)

[Min-Yih Hsu via llvm-commits]

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@@ -3597,5 +3597,127 @@ define <4 x i32> @buildvec_vredmax_slideup(<8 x i32> %arg0, <8 x i32> %arg1, <8
   ret <4 x i32> %255
 }
 
+define <16 x i16> @PR159294(<2 x i32> %a, <2 x i32> %b, <2 x i32> %c) {
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mshockwave wrote:

could you also add a test for the zext / sext case?

https://github.com/llvm/llvm-project/pull/159373