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| author | Daniel Dunbar <daniel@zuster.org> | 2010-01-23 00:26:16 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-01-23 00:26:16 +0000 |
| commit | e197409277d117b8c3602b31acc9efb05659bd21 (patch) | |
| tree | 26b89a32d1edf58d4a2e63b798daeb16ef3b8a0c /llvm/utils | |
| parent | 5006e43faf97ace108be49237cc2644c81e801be (diff) | |
| download | bcm5719-llvm-e197409277d117b8c3602b31acc9efb05659bd21.tar.gz bcm5719-llvm-e197409277d117b8c3602b31acc9efb05659bd21.zip | |
AsmMatcher: Add a comment.
llvm-svn: 94261
Diffstat (limited to 'llvm/utils')
| -rw-r--r-- | llvm/utils/TableGen/AsmMatcherEmitter.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/utils/TableGen/AsmMatcherEmitter.cpp b/llvm/utils/TableGen/AsmMatcherEmitter.cpp index 019908bd599..8c37c3aabe0 100644 --- a/llvm/utils/TableGen/AsmMatcherEmitter.cpp +++ b/llvm/utils/TableGen/AsmMatcherEmitter.cpp @@ -465,6 +465,10 @@ struct InstructionInfo { if (Operands.size() != RHS.Operands.size()) return false; + // Otherwise, make sure the ordering of the two instructions is unambiguous + // by checking that either (a) a token or operand kind discriminates them, + // or (b) the ordering among equivalent kinds is consistent. + // Tokens and operand kinds are unambiguous (assuming a correct target // specific parser). for (unsigned i = 0, e = Operands.size(); i != e; ++i) |
