1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstrFormats.td b/llvm/lib/Target/AMDGPU/SIInstrFormats.td
index faf14fff5b2..250fb9eda2a 100644
--- a/llvm/lib/Target/AMDGPU/SIInstrFormats.td
+++ b/llvm/lib/Target/AMDGPU/SIInstrFormats.td
@@ -11,9 +11,18 @@
 //
 //===----------------------------------------------------------------------===//
 
+def isGCN : Predicate<"Subtarget->getGeneration() "
+                      ">= SISubtarget::SOUTHERN_ISLANDS">,
+            AssemblerPredicate<"FeatureGCN">;
+def isSI : Predicate<"Subtarget->getGeneration() "
+                      "== SISubtarget::SOUTHERN_ISLANDS">,
+           AssemblerPredicate<"FeatureSouthernIslands">;
+
+
 class InstSI <dag outs, dag ins, string asm = "",
               list<dag> pattern = []> :
   AMDGPUInst<outs, ins, asm, pattern>, PredicateControl {
+  let SubtargetPredicate = isGCN;
 
   // Low bits - basic encoding information.
   field bit SALU = 0;