conv:hltohlbi: Initalize conversion pass from hl to builtin dialect.

Author: Jezurko

include/vast/Conversion/Passes.hpp

@@ -57,6 +57,8 @@ namespace vast
 
     std::unique_ptr< mlir::Pass > createHLToLLFuncPass();
 
+    std::unique_ptr< mlir::Pass > createHLToHLBI();
+
     // Generate the code for registering passes.
     #define GEN_PASS_REGISTRATION
     #include "vast/Conversion/Passes.h.inc"

include/vast/Conversion/Passes.td

@@ -155,4 +155,16 @@ def HLEmitLazyRegions : Pass<"vast-hl-to-lazy-regions", "mlir::ModuleOp"> {
   ];
 }
 
+def HLToHLBI : Pass<"vast-hl-to-hl-builtin", "mlir::ModuleOp"> {
+  let summary = "Transform hl operations that have builtin attribute to specialized dialect.";
+  let description = [{
+    This pass is still a work in progress.
+  }];
+
+  let constructor = "vast::createHLToHLBI()";
+  let dependentDialects = [
+    "vast::hlbi::BuiltinDialect"
+  ];
+}
+
 #endif // VAST_CONVERSION_PASSES_TD

lib/vast/Conversion/FromHL/CMakeLists.txt

@@ -7,4 +7,5 @@ add_vast_conversion_library(HighLevelConversionPasses
     ToLLGEPs.cpp
     ToLLVars.cpp
     ToLLFunc.cpp
+    ToHLBI.cpp
 )