Fix typed pointers determination.

Author: maleadt

test/helpers/test.jl

@@ -41,6 +41,7 @@ end
 module FileCheck
     import LLVM_jll
     import IOCapture
+    using GPUCompiler, LLVM
     using InteractiveUtils
     using Test
 
@@ -65,15 +66,8 @@ module FileCheck
         return Cmd(Cmd([filecheck_path]); env)
     end
 
-    const julia_typed_pointers = let
-        ir = sprint(io->code_llvm(io, unsafe_load, Tuple{Ptr{Int}}))
-        if occursin(r"load i64, i64\* .+, align 1", ir)
-            true
-        elseif occursin(r"load i64, ptr .+, align 1", ir)
-            false
-        else
-            error("could not determine whether Julia uses typed pointers")
-        end
+    const julia_typed_pointers = JuliaContext() do ctx
+        supports_typed_pointers(ctx)
     end
 
     function filecheck(f, input)