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author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-03-24 19:37:00 +0000 |
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committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2013-03-24 19:37:00 +0000 |
commit | 8e3cb3ee0c6dd582f4ee78135cef2f33f6893395 (patch) | |
tree | 55f04fd71b011c0d160f5a3cab0b206c44532f74 /utils/TableGen/DAGISelMatcherGen.cpp | |
parent | 4717fd4c0faf454ff37f133709320d0cfec0da89 (diff) |
Allow types to be omitted in output patterns.
This syntax is now preferred:
def : Pat<(subc i32:$b, i32:$c), (SUBCCrr $b, $c)>;
There is no reason to repeat the types in the output pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177844 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/DAGISelMatcherGen.cpp')
-rw-r--r-- | utils/TableGen/DAGISelMatcherGen.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/utils/TableGen/DAGISelMatcherGen.cpp b/utils/TableGen/DAGISelMatcherGen.cpp index e91fd1e7dd..ed41631456 100644 --- a/utils/TableGen/DAGISelMatcherGen.cpp +++ b/utils/TableGen/DAGISelMatcherGen.cpp @@ -211,6 +211,12 @@ void MatcherGen::EmitLeafMatchCode(const TreePatternNode *N) { return AddMatcher(new CheckIntegerMatcher(II->getValue())); } + // An UnsetInit represents a named node without any constraints. + if (N->getLeafValue() == UnsetInit::get()) { + assert(N->hasName() && "Unnamed ? leaf"); + return; + } + DefInit *DI = dyn_cast<DefInit>(N->getLeafValue()); if (DI == 0) { errs() << "Unknown leaf kind: " << *N << "\n"; |