For consistency with normal instructions and clarity when reading IR, it's best to print the %0, %1, ... names of function arguments in definitions. Also modifies the parser to accept IR in that form for obvious reasons. llvm-svn: 367755
Reverts the revert of r359251, this time with fixed tests. Differential Revision: https://reviews.llvm.org/D55229 llvm-svn: 359513