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| author | Craig Topper <craig.topper@gmail.com> | 2013-10-04 05:22:20 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2013-10-04 05:22:20 +0000 |
| commit | d3562956789dbd0571a7e46052bee64b153fa7c4 (patch) | |
| tree | 43a5ff44e6bf0896492c876dfe81fa862efd7466 /utils/TableGen/DAGISelMatcherEmitter.cpp | |
| parent | c32f2332b065d0fb8de4db8b8ca0981564dae92b (diff) | |
| download | external_llvm-d3562956789dbd0571a7e46052bee64b153fa7c4.zip external_llvm-d3562956789dbd0571a7e46052bee64b153fa7c4.tar.gz external_llvm-d3562956789dbd0571a7e46052bee64b153fa7c4.tar.bz2 | |
Add OPC_CheckChildSame0-3 to the DAG isel matcher. This replaces sequences of MoveChild, CheckSame, MoveParent. Saves 846 bytes from the X86 DAG isel matcher, ~300 from ARM, ~840 from Hexagon.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191940 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/DAGISelMatcherEmitter.cpp')
| -rw-r--r-- | utils/TableGen/DAGISelMatcherEmitter.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/utils/TableGen/DAGISelMatcherEmitter.cpp b/utils/TableGen/DAGISelMatcherEmitter.cpp index ba1b358..04fe0d1 100644 --- a/utils/TableGen/DAGISelMatcherEmitter.cpp +++ b/utils/TableGen/DAGISelMatcherEmitter.cpp @@ -242,6 +242,12 @@ EmitMatcher(const Matcher *N, unsigned Indent, unsigned CurrentIdx, << cast<CheckSameMatcher>(N)->getMatchNumber() << ",\n"; return 2; + case Matcher::CheckChildSame: + OS << "OPC_CheckChild" + << cast<CheckChildSameMatcher>(N)->getChildNo() << "Same, " + << cast<CheckChildSameMatcher>(N)->getMatchNumber() << ",\n"; + return 2; + case Matcher::CheckPatternPredicate: { StringRef Pred =cast<CheckPatternPredicateMatcher>(N)->getPredicate(); OS << "OPC_CheckPatternPredicate, " << getPatternPredicate(Pred) << ','; @@ -753,6 +759,7 @@ void MatcherTableEmitter::EmitHistogram(const Matcher *M, case Matcher::MoveChild: OS << "OPC_MoveChild"; break; case Matcher::MoveParent: OS << "OPC_MoveParent"; break; case Matcher::CheckSame: OS << "OPC_CheckSame"; break; + case Matcher::CheckChildSame: OS << "OPC_CheckChildSame"; break; case Matcher::CheckPatternPredicate: OS << "OPC_CheckPatternPredicate"; break; case Matcher::CheckPredicate: OS << "OPC_CheckPredicate"; break; |