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author | Evan Cheng <evan.cheng@apple.com> | 2006-01-06 02:30:23 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2006-01-06 02:30:23 +0000 |
commit | e1050d616bafa1f52485b669b34163f1d00ff104 (patch) | |
tree | 3a11c323ca672ac0b08037d9cb0f9c9749031ede /utils/TableGen | |
parent | 6907708c23303703c6f89e055d1c204c5abb27a5 (diff) | |
download | external_llvm-e1050d616bafa1f52485b669b34163f1d00ff104.zip external_llvm-e1050d616bafa1f52485b669b34163f1d00ff104.tar.gz external_llvm-e1050d616bafa1f52485b669b34163f1d00ff104.tar.bz2 |
Tweak pattern complexity calc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25122 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen')
-rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index 1d8e645..21e5ed3 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -1691,12 +1691,7 @@ static const ComplexPattern *NodeGetComplexPattern(TreePatternNode *N, /// patterns before small ones. This is used to determine the size of a /// pattern. static unsigned getPatternSize(TreePatternNode *P, DAGISelEmitter &ISE) { - assert(isExtIntegerInVTs(P->getExtTypes()) || - isExtFloatingPointInVTs(P->getExtTypes()) || - P->getExtTypeNum(0) == MVT::isVoid || - P->getExtTypeNum(0) == MVT::Flag && - "Not a valid pattern node to size!"); - unsigned Size = 1; // The node itself. + unsigned Size = 2; // The node itself. // FIXME: This is a hack to statically increase the priority of patterns // which maps a sub-dag to a complex pattern. e.g. favors LEA over ADD. @@ -1713,10 +1708,10 @@ static unsigned getPatternSize(TreePatternNode *P, DAGISelEmitter &ISE) { if (!Child->isLeaf() && Child->getExtTypeNum(0) != MVT::Other) Size += getPatternSize(Child, ISE); else if (Child->isLeaf()) { + Size += getPatternSize(Child, ISE); if (dynamic_cast<IntInit*>(Child->getLeafValue())) - ++Size; // Matches a ConstantSDNode. - else if (NodeIsComplexPattern(Child)) - Size += getPatternSize(Child, ISE); + // Matches a ConstantSDNode. More specific to any immediate. + ++Size; } } |