[llvm] [NVPTX] Add support for calling aliases (PR #81170)

[Alex MacLean via llvm-commits]

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@@ -24,6 +30,10 @@ attributes #0 = { noreturn }
 ;      CHECK: .visible .func noreturn()
 ; CHECK-NEXT: .noreturn
 
+;      CHECK: .visible .func  (.param .b32 func_retval0) z()
+;      CHECK:      call.uni (retval0), 
+; CHECK-NEXT:      b,
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AlexMaclean wrote:

Good suggestion. As it turns out this exposed more issues with the existing implementation. I've update the description with more info.

https://github.com/llvm/llvm-project/pull/81170