Remove BB pass functionality.

Author: maleadt

src/pass.jl

@@ -58,6 +58,8 @@ export BasicBlockPass
     root::Any
 
     function BasicBlockPass(name::String, runner::Core.Function)
+        VERSION >= v"1.4.0-DEV.589" && error("BasicBlockPass functionality has been removed from Julia and LLVM")
+
         function callback(ptr::Ptr{Cvoid})::Core.Bool
             bb = BasicBlock(convert(reftype(BasicBlock), ptr))
             return runner(bb)::Core.Bool

test/pass.jl

@@ -51,11 +51,13 @@ LLVM.Module("SomeModule", ctx) do mod
         return false
     end
 
-    let pass = BasicBlockPass("SomeBasicBlockPass", runOnBasicBlock)
+    if VERSION < v"1.4.0-DEV.589"
+        let pass = BasicBlockPass("SomeBasicBlockPass", runOnBasicBlock)
 
-        FunctionPassManager(mod) do fpm
-            add!(fpm, pass)
-            run!(fpm, fn)
+            FunctionPassManager(mod) do fpm
+                add!(fpm, pass)
+                run!(fpm, fn)
+            end
         end
     end
 end