[PATCH] D93594: [X86] Pass to transform amx intrinsics to scalar operation.

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

@yubing In this case I would recommend building `sqlite3.c` from test-suite under `perf stat` and look at the `instructions` metric. For me the command looks like this:

  perf stat CLANG_BINARY   -w -Werror=date-time -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DSQLITE_OMIT_LOAD_EXTENSION=1 -DSQLITE_THREADSAFE=0 -I. -MD -MT MultiSource/Applications/sqlite3/CMakeFiles/sqlite3.dir/sqlite3.c.o -MF MultiSource/Applications/sqlite3/CMakeFiles/sqlite3.dir/sqlite3.c.o.d -o MultiSource/Applications/sqlite3/CMakeFiles/sqlite3.dir/sqlite3.c.o   -c ../MultiSource/Applications/sqlite3/sqlite3.c

You can generally get a build command using `ninja -v sqlite3` in test-suite.


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https://reviews.llvm.org/D93594