[llvm] [AMDGPU] promote i1 arg type for admgpu_cs (PR #82971)

[Matt Arsenault via llvm-commits]

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@@ -2078,4 +2078,13 @@ entry:
   ret void
 }
 
+; test that i1 argument for amdgpu_cs is working
+define amdgpu_cs void @amdgpu_cs_i1_arg(i1 %arg0) {
+; GCN-LABEL: amdgpu_cs_i1_arg:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_endpgm
+bb:
+  ret void
+}
+
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arsenm wrote:

Can you also check the inreg case? Also some i1 vectors 

https://github.com/llvm/llvm-project/pull/82971