[llvm] [AMDGPU][SDAG] Legalise v2i32 or/xor/and instructions to make use of 64-bit wide instructions (PR #140694)

[Matt Arsenault via llvm-commits]

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@@ -2397,6 +2436,20 @@ def : GCNPat <
                           /* clamp */ 0, /* op_sel */ 0)
 >;
 
+def : GCNPat <
+  (rotr v2i32:$src0, v2i32:$src1),
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arsenm wrote:

Shouldn't need manual scalarization again 

https://github.com/llvm/llvm-project/pull/140694