[llvm] [AMDGPU] Handle hazard in v_scalef32_sr_fp4_* conversions (PR #118589)

[Matt Arsenault via llvm-commits]

================
@@ -636,6 +670,24 @@ body:             |
     S_SETPC_B64_return undef $sgpr30_sgpr31, implicit killed $vgpr0
 ...
 
+---
+# GCN-LABEL: test_cvt_scale_cvt_scalef32_sr_pk_fp4_f16_opsel0_hazard
+# GCN:      V_CVT_SCALEF32_PK_FP4_F16_e64
+# GCN:      S_NOP 0
----------------
arsenm wrote:

-NEXT

https://github.com/llvm/llvm-project/pull/118589