Simplify code emission #275

Job	Run time
abi-dump-setup	1m 33s
Build lldb / Lit Tests (ubuntu-22.04)	2h 6m 11s
Build lldb / Lit Tests (windows-2019)	2m 6s
Test llvm,clang,libclc / Lit Tests (ubuntu-22.04)	2h 55m 38s
Test lld / Lit Tests (ubuntu-22.04)	1h 10m 48s
Build lldb / Lit Tests (macOS-latest)	1h 20m 51s
Test llvm,clang,libclc / Lit Tests (windows-2019)	1m 58s
Test lld / Lit Tests (windows-2019)	2m 24s
Test llvm,clang,libclc / Lit Tests (macOS-latest)	2h 0m 10s
Test lld / Lit Tests (macOS-latest)	45m 7s
abi-dump (build-baseline)	33m 4s
abi-dump (build-latest)	32m 0s
abi-compare	30s
	11h 32m 20s

Provide feedback