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-rw-r--r--llvm/lib/Analysis/MemoryBuiltins.cpp25
-rw-r--r--llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp5
2 files changed, 8 insertions, 22 deletions
diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index 2141778..4833b52 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -26,7 +26,6 @@
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetData.h"
-#include "llvm/Transforms/Utils/BuildLibCalls.h"
#include "llvm/Transforms/Utils/Local.h"
using namespace llvm;
@@ -449,9 +448,11 @@ SizeOffsetType ObjectSizeOffsetVisitor::visitCallSite(CallSite CS) {
return std::make_pair(Size, Zero);
// TODO: handle more standard functions (+ wchar cousins):
+ // - strdup / strndup
// - strcpy / strncpy
// - strcat / strncat
// - memcpy / memmove
+ // - strcat / strncat
// - memset
}
@@ -523,9 +524,8 @@ SizeOffsetType ObjectSizeOffsetVisitor::visitInstruction(Instruction &I) {
ObjectSizeOffsetEvaluator::ObjectSizeOffsetEvaluator(const TargetData *TD,
- const TargetLibraryInfo *TLI,
LLVMContext &Context)
-: TD(TD), TLI(TLI), Context(Context), Builder(Context, TargetFolder(TD)),
+: TD(TD), Context(Context), Builder(Context, TargetFolder(TD)),
Visitor(TD, Context) {
IntTy = TD->getIntPtrType(Context);
Zero = ConstantInt::get(IntTy, 0);
@@ -619,21 +619,8 @@ SizeOffsetEvalType ObjectSizeOffsetEvaluator::visitCallSite(CallSite CS) {
// handle strdup-like functions separately
if (FnData->AllocTy == StrDupLike) {
- IRBuilder<> StdBuilder(Builder.GetInsertPoint());
- Value *Size;
-
- // strdup(str): size = strlen(str)+1
- if (FnData->FstParam < 0)
- Size = EmitStrLen(CS.getArgument(0), StdBuilder, TD, TLI);
- else
- // strndup(str, maxlen): size = strnlen(str, maxlen)+1
- Size = EmitStrNLen(CS.getArgument(0), CS.getArgument(FnData->FstParam),
- StdBuilder, TD, TLI);
- if (!Size)
- return unknown();
- Builder.SetInsertPoint(StdBuilder.GetInsertPoint());
- Size = Builder.CreateNUWAdd(Size, ConstantInt::get(IntTy, 1));
- return std::make_pair(Size, Zero);
+ // TODO
+ return unknown();
}
Value *FirstArg = CS.getArgument(FnData->FstParam);
@@ -647,9 +634,11 @@ SizeOffsetEvalType ObjectSizeOffsetEvaluator::visitCallSite(CallSite CS) {
return std::make_pair(Size, Zero);
// TODO: handle more standard functions (+ wchar cousins):
+ // - strdup / strndup
// - strcpy / strncpy
// - strcat / strncat
// - memcpy / memmove
+ // - strcat / strncat
// - memset
}
diff --git a/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp b/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
index b209fff..09e0f14 100644
--- a/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
+++ b/llvm/lib/Transforms/Instrumentation/BoundsChecking.cpp
@@ -24,7 +24,6 @@
#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;
@@ -49,7 +48,6 @@ namespace {
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<TargetData>();
- AU.addRequired<TargetLibraryInfo>();
}
private:
@@ -168,12 +166,11 @@ bool BoundsChecking::instrument(Value *Ptr, Value *InstVal) {
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, TLI, F.getContext());
+ ObjectSizeOffsetEvaluator TheObjSizeEval(TD, F.getContext());
ObjSizeEval = &TheObjSizeEval;
// check HANDLE_MEMORY_INST in include/llvm/Instruction.def for memory