Changes in directory llvm/lib/Analysis/DataStructure:
Local.cpp updated: 1.158 -> 1.159
---
Log message:
Optionally allow comparison operations from affect DSGraphs
---
Diffs of the changes: (+6 -1)
Local.cpp | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletion(-)
Index: llvm/lib/Analysis/DataStructure/Local.cpp
diff -u llvm/lib/Analysis/DataStructure/Local.cpp:1.158
llvm/lib/Analysis/DataStructure/Local.cpp:1.159
--- llvm/lib/Analysis/DataStructure/Local.cpp:1.158 Fri Nov 3 11:43:19 2006
+++ llvm/lib/Analysis/DataStructure/Local.cpp Tue Nov 7 14:39:05 2006
@@ -40,6 +40,10 @@
TrackIntegersAsPointers("dsa-track-integers", cl::Hidden,
cl::desc("If this is set, track integers as potential pointers"));
+static cl::opt<bool>
+IgnoreSetCC("dsa-ignore-setcc", cl::Hidden,
+ cl::desc("If this is set, do nothing at pointer comparisons"));
+
static cl::list<std::string>
AllocList("dsa-alloc-list",
cl::value_desc("list"),
@@ -336,7 +340,8 @@
void GraphBuilder::visitSetCondInst(SetCondInst &SCI) {
if (!isPointerType(SCI.getOperand(0)->getType()) ||
isa<ConstantPointerNull>(SCI.getOperand(1))) return; // Only pointers
- ScalarMap[SCI.getOperand(0)].mergeWith(getValueDest(*SCI.getOperand(1)));
+ if(!IgnoreSetCC)
+ ScalarMap[SCI.getOperand(0)].mergeWith(getValueDest(*SCI.getOperand(1)));
}
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