diff options
Diffstat (limited to 'lib/Analysis/AliasAnalysis.cpp')
-rw-r--r-- | lib/Analysis/AliasAnalysis.cpp | 16 |
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; -} |