diff options
Diffstat (limited to 'lib/Analysis/DataStructure/Local.cpp')
| -rw-r--r-- | lib/Analysis/DataStructure/Local.cpp | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/lib/Analysis/DataStructure/Local.cpp b/lib/Analysis/DataStructure/Local.cpp index 3308fd195b..a4e7b63181 100644 --- a/lib/Analysis/DataStructure/Local.cpp +++ b/lib/Analysis/DataStructure/Local.cpp @@ -91,7 +91,7 @@ namespace { void visitSetCondInst(SetCondInst &SCI) {} // SetEQ & friends are ignored void visitFreeInst(FreeInst &FI); void visitCastInst(CastInst &CI); - void visitInstruction(Instruction &I) {} + void visitInstruction(Instruction &I); private: // Helper functions used to implement the visitation functions... @@ -411,6 +411,21 @@ void GraphBuilder::visitCastInst(CastInst &CI) { } +// visitInstruction - For all other instruction types, if we have any arguments +// that are of pointer type, make them have unknown composition bits, and merge +// the nodes together. +void GraphBuilder::visitInstruction(Instruction &Inst) { + DSNodeHandle CurNode; + if (isPointerType(Inst.getType())) + CurNode = getValueDest(Inst); + for (User::op_iterator I = Inst.op_begin(), E = Inst.op_end(); I != E; ++I) + if (isPointerType((*I)->getType())) + CurNode.mergeWith(getValueDest(**I)); + + if (CurNode.getNode()) + CurNode.getNode()->NodeType |= DSNode::UnknownNode; +} + //===----------------------------------------------------------------------===// |