//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Utils/Cloning.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Module.h"
-#include "llvm/Instructions.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/Intrinsics.h"
-#include "llvm/Attributes.h"
-#include "llvm/Analysis/CallGraph.h"
-#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Analysis/InstructionSimplify.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Transforms/Utils/Local.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
+#include "llvm/Analysis/CallGraph.h"
+#include "llvm/Analysis/InstructionSimplify.h"
+#include "llvm/DebugInfo.h"
+#include "llvm/IR/Attributes.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/Instructions.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/Intrinsics.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/CallSite.h"
-#include "llvm/Support/IRBuilder.h"
+#include "llvm/Transforms/Utils/Local.h"
using namespace llvm;
bool llvm::InlineFunction(CallInst *CI, InlineFunctionInfo &IFI,
namespace {
/// A class for recording information about inlining through an invoke.
class InvokeInliningInfo {
- BasicBlock *OuterResumeDest; //< Destination of the invoke's unwind.
- BasicBlock *InnerResumeDest; //< Destination for the callee's resume.
- LandingPadInst *CallerLPad; //< LandingPadInst associated with the invoke.
- PHINode *InnerEHValuesPHI; //< PHI for EH values from landingpad insts.
+ BasicBlock *OuterResumeDest; ///< Destination of the invoke's unwind.
+ BasicBlock *InnerResumeDest; ///< Destination for the callee's resume.
+ LandingPadInst *CallerLPad; ///< LandingPadInst associated with the invoke.
+ PHINode *InnerEHValuesPHI; ///< PHI for EH values from landingpad insts.
SmallVector<Value*, 8> UnwindDestPHIValues;
public:
Type *VoidPtrTy = Type::getInt8PtrTy(Context);
- // Create the alloca. If we have TargetData, use nice alignment.
+ // Create the alloca. If we have DataLayout, use nice alignment.
unsigned Align = 1;
if (IFI.TD)
Align = IFI.TD->getPrefTypeAlignment(AggTy);
/// fixupLineNumbers - Update inlined instructions' line numbers to
/// to encode location where these instructions are inlined.
static void fixupLineNumbers(Function *Fn, Function::iterator FI,
- Instruction *TheCall) {
+ Instruction *TheCall) {
DebugLoc TheCallDL = TheCall->getDebugLoc();
if (TheCallDL.isUnknown())
return;
if (hasLifetimeMarkers(AI))
continue;
- builder.CreateLifetimeStart(AI);
+ // Try to determine the size of the allocation.
+ ConstantInt *AllocaSize = 0;
+ if (ConstantInt *AIArraySize =
+ dyn_cast<ConstantInt>(AI->getArraySize())) {
+ if (IFI.TD) {
+ Type *AllocaType = AI->getAllocatedType();
+ uint64_t AllocaTypeSize = IFI.TD->getTypeAllocSize(AllocaType);
+ uint64_t AllocaArraySize = AIArraySize->getLimitedValue();
+ assert(AllocaArraySize > 0 && "array size of AllocaInst is zero");
+ // Check that array size doesn't saturate uint64_t and doesn't
+ // overflow when it's multiplied by type size.
+ if (AllocaArraySize != ~0ULL &&
+ UINT64_MAX / AllocaArraySize >= AllocaTypeSize) {
+ AllocaSize = ConstantInt::get(Type::getInt64Ty(AI->getContext()),
+ AllocaArraySize * AllocaTypeSize);
+ }
+ }
+ }
+
+ builder.CreateLifetimeStart(AI, AllocaSize);
for (unsigned ri = 0, re = Returns.size(); ri != re; ++ri) {
IRBuilder<> builder(Returns[ri]);
- builder.CreateLifetimeEnd(AI);
+ builder.CreateLifetimeEnd(AI, AllocaSize);
}
}
}