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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 | 1402f0b2cac017ab997f71ab4909a2ccfea7be4b (patch) | |
| tree | 613fc5284b7718a57173eeff6b1d3d1c3946e220 /utils/TableGen/AsmMatcherEmitter.cpp | |
| parent | b6aebc2f468333f0817738aaf8670c11cc98ee3e (diff) | |
| download | llvm-1402f0b2cac017ab997f71ab4909a2ccfea7be4b.tar.gz llvm-1402f0b2cac017ab997f71ab4909a2ccfea7be4b.tar.bz2 llvm-1402f0b2cac017ab997f71ab4909a2ccfea7be4b.tar.xz | |
AsmMatcher: Add a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94261 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/AsmMatcherEmitter.cpp')
| -rw-r--r-- | utils/TableGen/AsmMatcherEmitter.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp index 019908bd59..8c37c3aabe 100644 --- a/utils/TableGen/AsmMatcherEmitter.cpp +++ b/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) |