================
@@ -0,0 +1,121 @@
+# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -run-pass=none -o - %s | 
FileCheck %s
+
+---
+name:            single_anti_hint
+tracksRegLiveness: true
+# CHECK-LABEL: name: single_anti_hint
+# CHECK:      registers:
+# CHECK:   - { id: 3, class: vreg_128_align2, preferred-register: '', flags: [ 
 ],
+# CHECK-NEXT:       anti-hints: [ '%1' ] }
+registers:
+  - { id: 0, class: vgpr_32 }
+  - { id: 1, class: vreg_512_align2 }
+  - { id: 2, class: vreg_512_align2 }
+  - { id: 3, class: vreg_128_align2, anti-hints: [ '%1' ] }
----------------
arsenm wrote:

test case with named register 

https://github.com/llvm/llvm-project/pull/218073
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