Misc analysis passes that need to be aware of atomic load/store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137650 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/MemDepPrinter.cpp b/lib/Analysis/MemDepPrinter.cpp
index 2283db0..dc40da0 100644
--- a/lib/Analysis/MemDepPrinter.cpp
+++ b/lib/Analysis/MemDepPrinter.cpp
@@ -102,12 +102,21 @@
} else {
SmallVector<NonLocalDepResult, 4> NLDI;
if (LoadInst *LI = dyn_cast<LoadInst>(Inst)) {
- // FIXME: Volatile is not handled properly here.
+ if (!LI->isUnordered()) {
+ // FIXME: Handle atomic/volatile loads.
+ Deps[Inst].insert(std::make_pair(InstAndClobberFlag(0, false),
+ static_cast<BasicBlock *>(0)));
+ continue;
+ }
AliasAnalysis::Location Loc = AA.getLocation(LI);
- MDA.getNonLocalPointerDependency(Loc, !LI->isVolatile(),
- LI->getParent(), NLDI);
+ MDA.getNonLocalPointerDependency(Loc, true, LI->getParent(), NLDI);
} else if (StoreInst *SI = dyn_cast<StoreInst>(Inst)) {
- // FIXME: Volatile is not handled properly here.
+ if (!LI->isUnordered()) {
+ // FIXME: Handle atomic/volatile stores.
+ Deps[Inst].insert(std::make_pair(InstAndClobberFlag(0, false),
+ static_cast<BasicBlock *>(0)));
+ continue;
+ }
AliasAnalysis::Location Loc = AA.getLocation(SI);
MDA.getNonLocalPointerDependency(Loc, false, SI->getParent(), NLDI);
} else if (VAArgInst *VI = dyn_cast<VAArgInst>(Inst)) {