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-rw-r--r--lib/Analysis/AliasAnalysis.cpp16
1 files changed, 0 insertions, 16 deletions
diff --git a/lib/Analysis/AliasAnalysis.cpp b/lib/Analysis/AliasAnalysis.cpp
index f32bd70..210b80a 100644
--- a/lib/Analysis/AliasAnalysis.cpp
+++ b/lib/Analysis/AliasAnalysis.cpp
@@ -555,19 +555,3 @@ bool llvm::isIdentifiedObject(const Value *V) {
return A->hasNoAliasAttr() || A->hasByValAttr();
return false;
}
-
-/// isKnownNonNull - Return true if we know that the specified value is never
-/// null.
-bool llvm::isKnownNonNull(const Value *V) {
- // Alloca never returns null, malloc might.
- if (isa<AllocaInst>(V)) return true;
-
- // A byval argument is never null.
- if (const Argument *A = dyn_cast<Argument>(V))
- return A->hasByValAttr();
-
- // Global values are not null unless extern weak.
- if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
- return !GV->hasExternalWeakLinkage();
- return false;
-}