Remove unneeded IR decompression.

Author: maleadt

src/interface.jl

@@ -229,7 +229,7 @@ end
 ci_cache_token(@nospecialize(job::CompilerJob)) =
     GPUCompilerCacheToken(typeof(job.config.target), job.config.always_inline, method_table(job))
 
-# the codeinfo cache to use -- should only be used for the constructor
+# the codeinstance cache to use -- should only be used for the constructor
 if VERSION >= v"1.11.0-DEV.1552"
     # Soft deprecated user should use `CC.code_cache(get_interpreter(job))`
     ci_cache(@nospecialize(job::CompilerJob)) = CC.code_cache(get_interpreter(job))

src/jlgen.jl

@@ -495,12 +495,6 @@ function CC.getindex(wvc::WorldView{CodeCache}, mi::MethodInstance)
 end
 
 function CC.setindex!(wvc::WorldView{CodeCache}, ci::CodeInstance, mi::MethodInstance)
-    src = if ci.inferred isa Vector{UInt8}
-        ccall(:jl_uncompress_ir, Any, (Any, Ptr{Cvoid}, Any),
-                mi.def, C_NULL, ci.inferred)
-    else
-        ci.inferred
-    end
     CC.setindex!(wvc.cache, ci, mi)
 end