[llvm] AMDGPU gfx12: Add _dvgpr$ symbols for dynamic VGPRs (PR #148251)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,12 @@
+; Test generation of _dvgpr$ symbol for an amdgpu_cs_chain function with +dynamic-vgpr.
+
+; RUN: llc -mtriple=amdgcn-amd-amdpal -mcpu=gfx1200 -asm-verbose=0 < %s | FileCheck -check-prefixes=DVGPR %s
+
+; DVGPR-LABEL: func:
+; DVGPR: .Ltmp0:
+; DVGPR: .set _dvgpr$func, .Ltmp0+{{[0-9]+}}
+
+define amdgpu_cs_chain void @func() #0 {
+  ret void
+}
+attributes #0 = { "target-features"="+dynamic-vgpr" }
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arsenm wrote:

Test with anonymous functions 

https://github.com/llvm/llvm-project/pull/148251