[llvm] [AMDGPU] Fix placement of FeatureSupportsXNACK (PR #223111)

[Shilei Tian via llvm-commits]

https://github.com/shiltian created https://github.com/llvm/llvm-project/pull/223111

This can't be put into 12_50_Common because of conflict in downstream code.


>From 29de2a75579cd1eee91ff00adfec73b7faff68fe Mon Sep 17 00:00:00 2001
From: Shilei Tian <i at tianshilei.me>
Date: Fri, 11 Sep 2026 21:03:09 -0400
Subject: [PATCH] [AMDGPU] Fix placement of FeatureSupportsXNACK

This can't be put into 12_50_Common because of conflict in downstream code.
---
 llvm/lib/Target/AMDGPU/AMDGPU.td | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.td b/llvm/lib/Target/AMDGPU/AMDGPU.td
index e13c8f607a80e..30db12b565082 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPU.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPU.td
@@ -2443,7 +2443,6 @@ def FeatureISAVersion12_50_Common : FeatureSet<
    FeatureSetPrioIncWgInst,
    FeatureSWakeupBarrier,
    Feature45BitNumRecordsBufferResource,
-   FeatureSupportsXNACK,
    FeatureClusters,
    FeatureD16Writes32BitVgpr,
    FeatureMcastLoadInsts,
@@ -2484,6 +2483,7 @@ def FeatureISAVersion12_50_STRICT : FeatureSet<
    FeatureNeedsAligned2addrDS,
    FeatureNoSleepForever,
    FeatureSlowMaxMinMulI64Insts,
+   FeatureSupportsXNACK,
    ])>;
 
 def FeatureISAVersion12_50 : FeatureSet<
@@ -2514,6 +2514,7 @@ def FeatureISAVersion12_50 : FeatureSet<
    FeatureNeedsTDMDrain,
    FeatureNoSleepForever,
    FeatureSlowMaxMinMulI64Insts,
+   FeatureSupportsXNACK,
    ])>;
 
 def FeatureISAVersion12_51 : FeatureSet<
@@ -2548,6 +2549,7 @@ def FeatureISAVersion12_51 : FeatureSet<
    FeatureDataCacheLineSize128,
    FeatureRequiresInitialUnclausedVmem,
    FeatureNeedsTDMDrain,
+   FeatureSupportsXNACK,
    ])>;
 
 def FeatureISAVersion12_Generic: FeatureSet<
@@ -2567,6 +2569,7 @@ def FeatureISAVersion12_5_Generic: FeatureSet<
    FeatureDataCacheLineSize128,
    FeatureRequiresInitialUnclausedVmem,
    FeatureNeedsTDMDrain,
+   FeatureSupportsXNACK,
    ])>;
 
 def FeatureISAVersion13 : FeatureSet<