commit dd8004dc73d091ccb3927dbbc3b41639a3738ae3
author Dan Gohman <gohman@apple.com> Mon Jul 27 21:53:46 2009 +0000
committer Dan Gohman <gohman@apple.com> Mon Jul 27 21:53:46 2009 +0000
tree 635ee4ff5a89aefb2eb5ba8394207f65c8771bcf
parent 9a7e2ccf574368b60455f8c8975030475a1f3ce0

Add a new keyword 'inbounds' for use with getelementptr. See the
LangRef.html changes for details.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77259 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Bitcode/Reader/BitcodeReader.cpp

diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 687cae9..e1cc1a3 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -997,6 +997,7 @@
       }
       break;
     }  
+    case bitc::CST_CODE_CE_INBOUNDS_GEP:
     case bitc::CST_CODE_CE_GEP: {  // CE_GEP:        [n x operands]
       if (Record.size() & 1) return Error("Invalid CE_GEP record");
       SmallVector<Constant*, 16> Elts;
@@ -1007,6 +1008,8 @@
       }
       V = Context.getConstantExprGetElementPtr(Elts[0], &Elts[1], 
                                                Elts.size()-1);
+      if (BitCode == bitc::CST_CODE_CE_INBOUNDS_GEP)
+        cast<GEPOperator>(V)->setIsInBounds(true);
       break;
     }
     case bitc::CST_CODE_CE_SELECT:  // CE_SELECT: [opval#, opval#, opval#]
@@ -1556,6 +1559,7 @@
       I = CastInst::Create((Instruction::CastOps)Opc, Op, ResTy);
       break;
     }
+    case bitc::FUNC_CODE_INST_INBOUNDS_GEP:
     case bitc::FUNC_CODE_INST_GEP: { // GEP: [n x operands]
       unsigned OpNum = 0;
       Value *BasePtr;
@@ -1571,6 +1575,8 @@
       }
 
       I = GetElementPtrInst::Create(BasePtr, GEPIdx.begin(), GEPIdx.end());
+      if (BitCode == bitc::FUNC_CODE_INST_INBOUNDS_GEP)
+        cast<GEPOperator>(I)->setIsInBounds(true);
       break;
     }
       

lib/Bitcode/Writer/BitcodeWriter.cpp

diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index b312420..fd09ede 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -706,6 +706,8 @@
         break;
       case Instruction::GetElementPtr:
         Code = bitc::CST_CODE_CE_GEP;
+        if (cast<GEPOperator>(C)->isInBounds())
+          Code = bitc::CST_CODE_CE_INBOUNDS_GEP;
         for (unsigned i = 0, e = CE->getNumOperands(); i != e; ++i) {
           Record.push_back(VE.getTypeID(C->getOperand(i)->getType()));
           Record.push_back(VE.getValueID(C->getOperand(i)));
@@ -829,6 +831,8 @@
 
   case Instruction::GetElementPtr:
     Code = bitc::FUNC_CODE_INST_GEP;
+    if (cast<GEPOperator>(&I)->isInBounds())
+      Code = bitc::FUNC_CODE_INST_INBOUNDS_GEP;
     for (unsigned i = 0, e = I.getNumOperands(); i != e; ++i)
       PushValueAndType(I.getOperand(i), InstID, Vals, VE);
     break;