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author | Craig Topper <craig.topper@gmail.com> | 2014-02-05 05:44:28 +0000 |
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committer | Craig Topper <craig.topper@gmail.com> | 2014-02-05 05:44:28 +0000 |
commit | 3211c86b969a0de8e7b42c32df2756da4dbc0a3e (patch) | |
tree | b6bb2ff7ad252f78e886d873416b3f173dc517bb /lib/CodeGen | |
parent | deb0ab53b5b28e2c2601a594a9b2a6baad9e456e (diff) | |
download | llvm-3211c86b969a0de8e7b42c32df2756da4dbc0a3e.tar.gz llvm-3211c86b969a0de8e7b42c32df2756da4dbc0a3e.tar.bz2 llvm-3211c86b969a0de8e7b42c32df2756da4dbc0a3e.tar.xz |
Add CheckChildInteger to ISelMatcher operations. Removes nearly 2000 bytes from X86 matcher table.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200821 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 8a455d9dca..5534354ab0 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -2198,8 +2198,7 @@ CheckType(const unsigned char *MatcherTable, unsigned &MatcherIndex, LLVM_ATTRIBUTE_ALWAYS_INLINE static bool CheckChildType(const unsigned char *MatcherTable, unsigned &MatcherIndex, - SDValue N, const TargetLowering *TLI, - unsigned ChildNo) { + SDValue N, const TargetLowering *TLI, unsigned ChildNo) { if (ChildNo >= N.getNumOperands()) return false; // Match fails if out of range child #. return ::CheckType(MatcherTable, MatcherIndex, N.getOperand(ChildNo), TLI); @@ -2235,6 +2234,14 @@ CheckInteger(const unsigned char *MatcherTable, unsigned &MatcherIndex, } LLVM_ATTRIBUTE_ALWAYS_INLINE static bool +CheckChildInteger(const unsigned char *MatcherTable, unsigned &MatcherIndex, + SDValue N, unsigned ChildNo) { + if (ChildNo >= N.getNumOperands()) + return false; // Match fails if out of range child #. + return ::CheckInteger(MatcherTable, MatcherIndex, N.getOperand(ChildNo)); +} + +LLVM_ATTRIBUTE_ALWAYS_INLINE static bool CheckAndImm(const unsigned char *MatcherTable, unsigned &MatcherIndex, SDValue N, const SelectionDAGISel &SDISel) { int64_t Val = MatcherTable[MatcherIndex++]; @@ -2317,6 +2324,14 @@ static unsigned IsPredicateKnownToFail(const unsigned char *Table, case SelectionDAGISel::OPC_CheckInteger: Result = !::CheckInteger(Table, Index, N); return Index; + case SelectionDAGISel::OPC_CheckChild0Integer: + case SelectionDAGISel::OPC_CheckChild1Integer: + case SelectionDAGISel::OPC_CheckChild2Integer: + case SelectionDAGISel::OPC_CheckChild3Integer: + case SelectionDAGISel::OPC_CheckChild4Integer: + Result = !::CheckChildInteger(Table, Index, N, + Table[Index-1] - SelectionDAGISel::OPC_CheckChild0Integer); + return Index; case SelectionDAGISel::OPC_CheckAndImm: Result = !::CheckAndImm(Table, Index, N, SDISel); return Index; @@ -2697,6 +2712,12 @@ SelectCodeCommon(SDNode *NodeToMatch, const unsigned char *MatcherTable, case OPC_CheckInteger: if (!::CheckInteger(MatcherTable, MatcherIndex, N)) break; continue; + case OPC_CheckChild0Integer: case OPC_CheckChild1Integer: + case OPC_CheckChild2Integer: case OPC_CheckChild3Integer: + case OPC_CheckChild4Integer: + if (!::CheckChildInteger(MatcherTable, MatcherIndex, N, + Opcode-OPC_CheckChild0Integer)) break; + continue; case OPC_CheckAndImm: if (!::CheckAndImm(MatcherTable, MatcherIndex, N, *this)) break; continue; |