AMDGPU/SI: There are no implicit kernel args in the amdhsa ABI

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

diff --git a/lib/Target/AMDGPU/AMDGPUSubtarget.h b/lib/Target/AMDGPU/AMDGPUSubtarget.h
index 0d40d14f8203e50ca669af292d0cd95c9a3810dd..27f269a95f9fb0135d3459409ed020b406765eb7 100644 (file)
--- a/lib/Target/AMDGPU/AMDGPUSubtarget.h
+++ b/lib/Target/AMDGPU/AMDGPUSubtarget.h
@@ -275,6 +275,13 @@ public:
   bool enableSubRegLiveness() const override {
     return true;
   }
+
+  /// \brief Returns the offset in bytes from the start of the input buffer
+  ///        of the first explicit kernel argument.
+  unsigned getExplicitKernelArgOffset() const {
+    return isAmdHsaOS() ? 0 : 36;
+  }
+
 };
 
 } // End namespace llvm