aboutsummaryrefslogtreecommitdiff
path: root/lib/Analysis/MemoryDependenceAnalysis.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Analysis/MemoryDependenceAnalysis.cpp')
-rw-r--r--lib/Analysis/MemoryDependenceAnalysis.cpp10
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/Analysis/MemoryDependenceAnalysis.cpp b/lib/Analysis/MemoryDependenceAnalysis.cpp
index cdff85a513..92967c08dc 100644
--- a/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -238,7 +238,7 @@ getCallSiteDependencyFrom(CallSite CS, bool isReadOnlyCall,
// unknown, otherwise it is non-local.
if (BB != &BB->getParent()->getEntryBlock())
return MemDepResult::getNonLocal();
- return MemDepResult::getUnknown();
+ return MemDepResult::getNonFuncLocal();
}
/// isLoadLoadClobberIfExtendedToFullWidth - Return true if LI is a load that
@@ -499,7 +499,7 @@ getPointerDependencyFrom(const AliasAnalysis::Location &MemLoc, bool isLoad,
// unknown, otherwise it is non-local.
if (BB != &BB->getParent()->getEntryBlock())
return MemDepResult::getNonLocal();
- return MemDepResult::getUnknown();
+ return MemDepResult::getNonFuncLocal();
}
/// getDependency - Return the instruction on which a memory operation
@@ -532,7 +532,7 @@ MemDepResult MemoryDependenceAnalysis::getDependency(Instruction *QueryInst) {
if (QueryParent != &QueryParent->getParent()->getEntryBlock())
LocalCache = MemDepResult::getNonLocal();
else
- LocalCache = MemDepResult::getUnknown();
+ LocalCache = MemDepResult::getNonFuncLocal();
} else {
AliasAnalysis::Location MemLoc;
AliasAnalysis::ModRefResult MR = GetLocation(QueryInst, MemLoc, AA);
@@ -688,7 +688,7 @@ MemoryDependenceAnalysis::getNonLocalCallDependency(CallSite QueryCS) {
// a clobber, otherwise it is unknown.
Dep = MemDepResult::getNonLocal();
} else {
- Dep = MemDepResult::getUnknown();
+ Dep = MemDepResult::getNonFuncLocal();
}
// If we had a dirty entry for the block, update it. Otherwise, just add
@@ -806,7 +806,7 @@ GetNonLocalInfoForBlock(const AliasAnalysis::Location &Loc,
// If the block has a dependency (i.e. it isn't completely transparent to
// the value), remember the reverse association because we just added it
// to Cache!
- if (Dep.isNonLocal() || Dep.isUnknown())
+ if (!Dep.isDef() && !Dep.isClobber())
return Dep;
// Keep the ReverseNonLocalPtrDeps map up to date so we can efficiently