[llvm-commits] CVS: llvm/utils/TableGen/DAGISelEmitter.cpp

[Chris Lattner]

Changes in directory llvm/utils/TableGen:

DAGISelEmitter.cpp updated: 1.43 -> 1.44
---
Log message:

memoize the assert results


---
Diffs of the changes:  (+5 -2)

 DAGISelEmitter.cpp |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)


Index: llvm/utils/TableGen/DAGISelEmitter.cpp
diff -u llvm/utils/TableGen/DAGISelEmitter.cpp:1.43 llvm/utils/TableGen/DAGISelEmitter.cpp:1.44
--- llvm/utils/TableGen/DAGISelEmitter.cpp:1.43	Mon Sep 26 16:59:35 2005
+++ llvm/utils/TableGen/DAGISelEmitter.cpp	Mon Sep 26 17:10:24 2005
@@ -1230,8 +1230,11 @@
      << "  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*>,