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-rw-r--r--include/llvm/Analysis/AliasAnalysis.h5
-rw-r--r--include/llvm/Analysis/ValueTracking.h5
-rw-r--r--lib/Analysis/AliasAnalysis.cpp16
-rw-r--r--lib/Analysis/LazyValueInfo.cpp1
-rw-r--r--lib/Analysis/ValueTracking.cpp16
5 files changed, 21 insertions, 22 deletions
diff --git a/include/llvm/Analysis/AliasAnalysis.h b/include/llvm/Analysis/AliasAnalysis.h
index 72fc950b60..d703f21c02 100644
--- a/include/llvm/Analysis/AliasAnalysis.h
+++ b/include/llvm/Analysis/AliasAnalysis.h
@@ -593,11 +593,6 @@ bool isNoAliasCall(const Value *V);
///
bool isIdentifiedObject(const Value *V);
-/// isKnownNonNull - Return true if this pointer couldn't possibly be null by
-/// its definition. This returns true for allocas, non-extern-weak globals and
-/// byval arguments.
-bool isKnownNonNull(const Value *V);
-
} // End llvm namespace
#endif
diff --git a/include/llvm/Analysis/ValueTracking.h b/include/llvm/Analysis/ValueTracking.h
index b5b8bfe590..3775ec9f07 100644
--- a/include/llvm/Analysis/ValueTracking.h
+++ b/include/llvm/Analysis/ValueTracking.h
@@ -183,6 +183,11 @@ namespace llvm {
bool isSafeToSpeculativelyExecute(const Value *V,
const DataLayout *TD = 0);
+ /// isKnownNonNull - Return true if this pointer couldn't possibly be null by
+ /// its definition. This returns true for allocas, non-extern-weak globals
+ /// and byval arguments.
+ bool isKnownNonNull(const Value *V);
+
} // end namespace llvm
#endif
diff --git a/lib/Analysis/AliasAnalysis.cpp b/lib/Analysis/AliasAnalysis.cpp
index f32bd70698..210b80ab63 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;
-}
diff --git a/lib/Analysis/LazyValueInfo.cpp b/lib/Analysis/LazyValueInfo.cpp
index 1c94d101d5..66b5e852c0 100644
--- a/lib/Analysis/LazyValueInfo.cpp
+++ b/lib/Analysis/LazyValueInfo.cpp
@@ -16,7 +16,6 @@
#include "llvm/Analysis/LazyValueInfo.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/STLExtras.h"
-#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Constants.h"
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 473ebc8617..8e3994e8f5 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -2014,3 +2014,19 @@ bool llvm::isSafeToSpeculativelyExecute(const Value *V,
return false; // Misc instructions which have effects
}
}
+
+/// 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;
+}