MemoryBuiltins: add support to determine the size of strdup'ed non-constant strings
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160742 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Instrumentation/BoundsChecking.cpp b/lib/Transforms/Instrumentation/BoundsChecking.cpp
index 09e0f14..b209fff 100644
--- a/lib/Transforms/Instrumentation/BoundsChecking.cpp
+++ b/lib/Transforms/Instrumentation/BoundsChecking.cpp
@@ -24,6 +24,7 @@
#include "llvm/Support/TargetFolder.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Transforms/Instrumentation.h"
using namespace llvm;
@@ -48,6 +49,7 @@
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<TargetData>();
+ AU.addRequired<TargetLibraryInfo>();
}
private:
@@ -166,11 +168,12 @@
bool BoundsChecking::runOnFunction(Function &F) {
TD = &getAnalysis<TargetData>();
+ const TargetLibraryInfo *TLI = &getAnalysis<TargetLibraryInfo>();
TrapBB = 0;
BuilderTy TheBuilder(F.getContext(), TargetFolder(TD));
Builder = &TheBuilder;
- ObjectSizeOffsetEvaluator TheObjSizeEval(TD, F.getContext());
+ ObjectSizeOffsetEvaluator TheObjSizeEval(TD, TLI, F.getContext());
ObjSizeEval = &TheObjSizeEval;
// check HANDLE_MEMORY_INST in include/llvm/Instruction.def for memory