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path: root/lib/Transforms/Scalar/PredicateSimplifier.cpp
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Diffstat (limited to 'lib/Transforms/Scalar/PredicateSimplifier.cpp')
-rw-r--r--lib/Transforms/Scalar/PredicateSimplifier.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/PredicateSimplifier.cpp b/lib/Transforms/Scalar/PredicateSimplifier.cpp
index 7e59352d32..4d86f6aa46 100644
--- a/lib/Transforms/Scalar/PredicateSimplifier.cpp
+++ b/lib/Transforms/Scalar/PredicateSimplifier.cpp
@@ -31,6 +31,7 @@
#define DEBUG_TYPE "predsimplify"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Constants.h"
+#include "llvm/DerivedTypes.h"
#include "llvm/Instructions.h"
#include "llvm/Pass.h"
#include "llvm/ADT/Statistic.h"
@@ -446,6 +447,7 @@ namespace {
void visitBranchInst(BranchInst &BI);
void visitSwitchInst(SwitchInst &SI);
+ void visitAllocaInst(AllocaInst &AI);
void visitLoadInst(LoadInst &LI);
void visitStoreInst(StoreInst &SI);
void visitBinaryOperator(BinaryOperator &BO);
@@ -712,6 +714,10 @@ void PredicateSimplifier::Forwards::visitSwitchInst(SwitchInst &SI) {
}
}
+void PredicateSimplifier::Forwards::visitAllocaInst(AllocaInst &AI) {
+ KP.addNotEqual(Constant::getNullValue(AI.getType()), &AI);
+}
+
void PredicateSimplifier::Forwards::visitLoadInst(LoadInst &LI) {
Value *Ptr = LI.getPointerOperand();
KP.addNotEqual(Constant::getNullValue(Ptr->getType()), Ptr);