[clang] [llvm] [AMDGPU] Add s_wakeup_barrier instruction for gfx1250 (PR #170501)

[Jay Foad via llvm-commits]

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@@ -1276,6 +1276,12 @@ def FeatureSetPrioIncWgInst : SubtargetFeature<"setprio-inc-wg-inst",
   "Has s_setprio_inc_wg instruction."
 >;
 
+def FeatureWakeupBarrier : SubtargetFeature<"wakeup-barrier-inst",
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jayfoad wrote:

Nit: maybe should be "Feature**S**WakeupBarrier" to match "FeatureSMemRealTime". But I don't really mind.

https://github.com/llvm/llvm-project/pull/170501