Transform and compile raw SIL

gistfile1.txt

#!/bin/bash

# Path to the swift compiler
SWIFT=(~/myswift/build/Ninja-DebugAssert/swift-macosx-x86_64/bin/swift)
SWIFTC=(~/myswift/build/Ninja-DebugAssert/swift-macosx-x86_64/bin/swiftc)

IFS='' read -d '' -r SOURCE <<"EOF"
struct Some {
    let attr = 0
}

let x = Some()
print("Value", x.attr)
print("Info", Some.Type.self, Mirror(reflecting: x))
EOF

MODULE=FunModule
# Write the file, and emit sil
echo "$SOURCE" > some.swift
$SWIFT -frontend -emit-silgen some.swift -module-name $MODULE  -o some.sil 
cat some.sil

# Now do some transformations on the sil
sed -i "" "s,Some,Fun,g" some.sil

# Compile and link the executable
$SWIFT -frontend -c  some.sil -g   -module-name $MODULE -emit-module-path $MODULE.swiftmodule -o some.o
$SWIFTC some.o