This commit serializes the null register machine operands.
It uses the '_' keyword to represent them, but the parser
also allows the '%noreg' named register syntax.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D10580
llvm-svn: 240558
This commit introduces functionality that's used to serialize machine operands.
Only the physical register operands are serialized by this commit.
Reviewers: Duncan P. N. Exon Smith
Differential Revision: http://reviews.llvm.org/D10525
llvm-svn: 240425
This commit adds a function that tokenizes the string containing
the machine instruction. This commit also adds a struct called
'MIToken' which is used to represent the lexer's tokens.
Reviewers: Sean Silva
Differential Revision: http://reviews.llvm.org/D10521
llvm-svn: 240323