update codegen tests. #108

Job	Run time
build-llvm (windows-latest, Release)	1h 3m 30s
build-llvm (ubuntu-latest, Release)	7m 33s
build-llvm (ubuntu-22.04, Release)	8m 34s
build-llvm (macos-15-intel, Release)	1h 8m 55s
build-llvm (macos-14, Release)	8m 16s
test-llvm-z80 (ubuntu-latest, Release)	1m 33s
test-llvm-z80 (macos-15-intel, Release)	4m 37s
build-clang (macos-15-intel, Release)	47m 14s
build-clang (macos-14, Release)	20m 25s
build-clang (ubuntu-22.04, Release)	40m 26s
build-clang (windows-latest, Release)	4m 17s
build-clang (ubuntu-latest, Release)	46m 19s
test-llvm-z80 (macos-14, Release)	1m 25s
test-llvm-z80 (ubuntu-22.04, Release)	1m 35s
nightly	0s
	5h 24m 39s

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