[llvm] [AMDGPU] Don't send DEALLOC_VGPRs after calls (PR #77439)

[Matt Arsenault via llvm-commits]

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@@ -23,6 +23,7 @@
   define amdgpu_ps void @image_atomic() { ret void }
   define amdgpu_ps void @global_store_optnone() noinline optnone { ret void }
   define amdgpu_cs void @with_calls() { ret void }
+  define amdgpu_cs void @with_tail_calls() { ret void }
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arsenm wrote:

entry functions can't end in tail calls?

https://github.com/llvm/llvm-project/pull/77439