Remove FindProgramByName. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221258 91177308-0d34-0410-b5e6-96231b3b80d8
llvm/test/Transforms/GCOVProfiling/linezero.ll: Use %/T instead of %T in regex. This works on win32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221262 91177308-0d34-0410-b5e6-96231b3b80d8