6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-09-28 22:55:52 +00:00
Code Issues Projects Releases Wiki Activity

Fix a huge bug with handling non-pointer instructions

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5491 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-02-04 00:59:50 +00:00
parent 24d80079a8
commit 878e521b1e
1 changed files with 16 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
lib/Analysis/DataStructure/Local.cpp
View File

@ -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;
}
//===----------------------------------------------------------------------===//