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| author | Chris Lattner <sabre@nondot.org> | 2005-09-26 22:10:24 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-09-26 22:10:24 +0000 |
| commit | fab372880199de4a71b8e3ce8a6b8a53c85baa60 (patch) | |
| tree | 588a74d82b95c4005496e20f188f0519b56a243a /utils | |
| parent | 3748147aaf73cba847ffad30a55de7e7df214b13 (diff) | |
| download | external_llvm-fab372880199de4a71b8e3ce8a6b8a53c85baa60.zip external_llvm-fab372880199de4a71b8e3ce8a6b8a53c85baa60.tar.gz external_llvm-fab372880199de4a71b8e3ce8a6b8a53c85baa60.tar.bz2 | |
memoize the assert results
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23457 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index bd43909..27c0dfa 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -1230,8 +1230,11 @@ void DAGISelEmitter::EmitInstructionSelector(std::ostream &OS) { << " case ISD::EntryToken: // These leaves remain the same.\n" << " return N;\n" << " case ISD::AssertSext:\n" - << " case ISD::AssertZext:\n" - << " return Select(N.getOperand(0));\n"; + << " case ISD::AssertZext: {\n" + << " SDOperand Tmp0 = Select(N.getOperand(0));\n" + << " if (!N.Val->hasOneUse()) CodeGenMap[N] = Tmp0;\n" + << " return Tmp0;\n" + << " }\n"; // Group the patterns by their top-level opcodes. std::map<Record*, std::vector<PatternToMatch*>, |