New encoding for memory instructions #254

Job	Run time
abi-dump-setup	1m 23s
Test lld / Lit Tests (ubuntu-22.04)	56m 13s
Test lld / Lit Tests (windows-2019)	2m 11s
Build lldb / Lit Tests (ubuntu-22.04)	1h 42m 56s
Test lld / Lit Tests (macOS-latest)	9m 22s
Test llvm,clang,libclc / Lit Tests (ubuntu-22.04)	2h 32m 37s
Build lldb / Lit Tests (windows-2019)	2m 29s
Test llvm,clang,libclc / Lit Tests (windows-2019)	2m 12s
Build lldb / Lit Tests (macOS-latest)	14m 49s
Test llvm,clang,libclc / Lit Tests (macOS-latest)	59m 22s
abi-dump (build-baseline)	33m 0s
abi-dump (build-latest)	34m 4s
abi-compare	34s
	7h 51m 12s

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