# second build contains some experimental optimization features that
# are suspected of producing a misoptimization.
#
-# The script takes two bytecode files, one from each build. They are
+# The script takes two bitcode files, one from each build. They are
# presumed to be a compilation of the same program or program fragment
# with the only difference being the builds.
#
# llvm2
# is the path to the second llvm build dir
# bc1
-# is the bytecode file for the first llvm environment
+# is the bitcode file for the first llvm environment
# bc2
-# is the bytecode file for the second llvm environment
+# is the bitcode file for the second llvm environment
# filter1
# is an optional filter for filtering the llvm1 generated assembly
# filter2