AMDGPU: add +xnack feature

[oota-llvm.git] / lib / Target / AMDGPU / AMDGPUSubtarget.h

diff --git a/lib/Target/AMDGPU/AMDGPUSubtarget.h b/lib/Target/AMDGPU/AMDGPUSubtarget.h
index 9c7bb88f8f4a60858f10450221190db33fdb0db5..d3712276d5e7337c98b39d88e4203fcd00cc9eef 100644 (file)
--- a/lib/Target/AMDGPU/AMDGPUSubtarget.h
+++ b/lib/Target/AMDGPU/AMDGPUSubtarget.h
@@ -76,6 +76,7 @@ private:
   bool EnableIfCvt;
   bool EnableLoadStoreOpt;
   bool EnableUnsafeDSOffsetFolding;
+  bool EnableXNACK;
   unsigned WavefrontSize;
   bool CFALUBug;
   int LocalMemorySize;
@@ -290,6 +291,10 @@ public:
   }
   bool isVGPRSpillingEnabled(const SIMachineFunctionInfo *MFI) const;
 
+  bool isXNACKEnabled() const {
+    return EnableXNACK;
+  }
+
   unsigned getMaxWavesPerCU() const {
     if (getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS)
       return 10;