[llvm] [AMDGPU][GlobalISel] Add RegBankLegalize support for G_BLOCK_ADDR and G_GLOBAL_VALUE (PR #165340)

[Petar Avramovic via llvm-commits]

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@@ -903,6 +903,10 @@ RegBankLegalizeRules::RegBankLegalizeRules(const GCNSubtarget &_ST,
 
   addRulesForGOpcs({G_READSTEADYCOUNTER}, Standard).Uni(S64, {{Sgpr64}, {}});
 
+  addRulesForGOpcs({G_BLOCK_ADDR}).Any({{UniP0}, {{SgprP0}, {}}});
+
+  addRulesForGOpcs({G_GLOBAL_VALUE}).Any({{UniP3}, {{SgprP3}, {}}});
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petar-avramovic wrote:

Should add more ll tests. Also need to cover all pointer types, could use Ptr32, Ptr64 and Ptr128

https://github.com/llvm/llvm-project/pull/165340