Added back old InstrInfo/GISel for smed/umed

Signed-off-by: keshavvinayak01 <[email protected]>

Author: keshavvinayak01

llvm/lib/Target/AMDGPU/AMDGPUGISel.td

@@ -256,6 +256,8 @@ def : GINodeEquiv<G_AMDGPU_CVT_F32_UBYTE2, AMDGPUcvt_f32_ubyte2>;
 def : GINodeEquiv<G_AMDGPU_CVT_F32_UBYTE3, AMDGPUcvt_f32_ubyte3>;
 
 def : GINodeEquiv<G_AMDGPU_CVT_PK_I16_I32, AMDGPUpk_i16_i32_impl>;
+def : GINodeEquiv<G_AMDGPU_SMED3, AMDGPUsmed3>;
+def : GINodeEquiv<G_AMDGPU_UMED3, AMDGPUumed3>;
 def : GINodeEquiv<G_AMDGPU_FMED3, AMDGPUfmed3_impl>;
 def : GINodeEquiv<G_AMDGPU_CLAMP, AMDGPUclamp>;
 

llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.td

@@ -334,6 +334,13 @@ def AMDGPUmad_i24 : SDNode<"AMDGPUISD::MAD_I24", AMDGPUDTIntTernaryOp,
   []
 >;
 
+def AMDGPUsmed3 : SDNode<"AMDGPUISD::SMED3", AMDGPUDTIntTernaryOp,
+  []
+>;
+
+def AMDGPUumed3 : SDNode<"AMDGPUISD::UMED3", AMDGPUDTIntTernaryOp,
+  []
+>;
 
 def AMDGPUfmed3_impl : SDNode<"AMDGPUISD::FMED3", SDTFPTernaryOp, []>;