Default to the job's optimize parameter in code_llvm

[christiangnrd]

The backends don't propagate their optimize kwarg because it gets slurped up by split_kwargs. This defaults to using that parameter, but it can still be overwritten if needed desired

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diff --git a/src/reflection.jl b/src/reflection.jl
index a180f2f..1b29bf6 100644
--- a/src/reflection.jl
+++ b/src/reflection.jl
@@ -183,7 +183,8 @@ The following keyword arguments are supported:
 
 See also: [`@device_code_llvm`](@ref), `InteractiveUtils.code_llvm`
 """
-function code_llvm(io::IO, @nospecialize(job::CompilerJob); optimize::Bool=job.config.optimize, raw::Bool=false,
+function code_llvm(
+        io::IO, @nospecialize(job::CompilerJob); optimize::Bool = job.config.optimize, raw::Bool = false,
                    debuginfo::Symbol=:default, dump_module::Bool=false, kwargs...)
     # NOTE: jl_dump_function_ir supports stripping metadata, so don't do it in the driver
     config = CompilerConfig(job.config; validate=false, strip=false, optimize)
@@ -383,7 +384,7 @@ macro device_code(ex...)
         end
 
         open(joinpath(dir, "$fn.opt.ll"), "w") do io
-            code_llvm(io, job; dump_module=true, raw=true, optimize=true)
+            code_llvm(io, job; dump_module = true, raw = true, optimize = true)
         end
 
         open(joinpath(dir, "$fn.asm"), "w") do io