[llvm] [GlobalISel] support lowering of G_SHUFFLEVECTOR with pointer args (PR #141959)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,21 @@
+# RUN: llc -march=amdgcn -run-pass=legalizer -verify-machineinstrs %s -o - 
+
+--- |
+  define i32 @test(i64 %arg) {
+    ret i32 0
+  }
+...
+name:            test
+tracksRegLiveness: true
+body: |
+  bb.0:
+    %9:_(p0) = G_CONSTANT i64 0
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arsenm wrote:

Compact register numbers 

https://github.com/llvm/llvm-project/pull/141959