//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "memory-builtins"
#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
+#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Transforms/Utils/Local.h"
using namespace llvm;
+#define DEBUG_TYPE "memory-builtins"
+
enum AllocType {
OpNewLike = 1<<0, // allocates; never returns null
MallocLike = 1<<1 | OpNewLike, // allocates; may return null
if (!CI || isa<IntrinsicInst>(CI))
return nullptr;
Function *Callee = CI->getCalledFunction();
- if (Callee == nullptr || !Callee->isDeclaration())
+ if (Callee == nullptr)
return nullptr;
StringRef FnName = Callee->getName();
TLIFn == LibFunc::ZdlPv || // operator delete(void*)
TLIFn == LibFunc::ZdaPv) // operator delete[](void*)
ExpectedNumParams = 1;
- else if (TLIFn == LibFunc::ZdlPvRKSt9nothrow_t || // delete(void*, nothrow)
+ else if (TLIFn == LibFunc::ZdlPvj || // delete(void*, uint)
+ TLIFn == LibFunc::ZdlPvm || // delete(void*, ulong)
+ TLIFn == LibFunc::ZdlPvRKSt9nothrow_t || // delete(void*, nothrow)
+ TLIFn == LibFunc::ZdaPvj || // delete[](void*, uint)
+ TLIFn == LibFunc::ZdaPvm || // delete[](void*, ulong)
TLIFn == LibFunc::ZdaPvRKSt9nothrow_t) // delete[](void*, nothrow)
ExpectedNumParams = 2;
else
if (Instruction *I = dyn_cast<Instruction>(V)) {
// If we have already seen this instruction, bail out. Cycles can happen in
// unreachable code after constant propagation.
- if (!SeenInsts.insert(I))
+ if (!SeenInsts.insert(I).second)
return unknown();
if (GEPOperator *GEP = dyn_cast<GEPOperator>(V))
// Record the pointers that were handled in this run, so that they can be
// cleaned later if something fails. We also use this set to break cycles that
// can occur in dead code.
- if (!SeenVals.insert(V)) {
+ if (!SeenVals.insert(V).second) {
Result = unknown();
} else if (GEPOperator *GEP = dyn_cast<GEPOperator>(V)) {
Result = visitGEPOperator(*GEP);