diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 01e5312..1636465 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -7596,32 +7596,17 @@ void SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, const int64_t ObjectSize = cast<ConstantInt>(I.getArgOperand(0))->getSExtValue(); - Value *const ObjectPtr = I.getArgOperand(1); - SmallVector<const Value *, 4> Allocas; - getUnderlyingObjects(ObjectPtr, Allocas); + const AllocaInst *LifetimeObject = cast<AllocaInst>(I.getArgOperand(1)); - for (const Value *Alloca : Allocas) { - const AllocaInst *LifetimeObject = dyn_cast_or_null<AllocaInst>(Alloca); - - // Could not find an Alloca. - if (!LifetimeObject) - continue; - - // First check that the Alloca is static, otherwise it won't have a - // valid frame index. - auto SI = FuncInfo.StaticAllocaMap.find(LifetimeObject); - if (SI == FuncInfo.StaticAllocaMap.end()) - return; + // First check that the Alloca is static, otherwise it won't have a + // valid frame index. + auto SI = FuncInfo.StaticAllocaMap.find(LifetimeObject); + if (SI == FuncInfo.StaticAllocaMap.end()) + return; - const int FrameIndex = SI->second; - int64_t Offset; - if (GetPointerBaseWithConstantOffset( - ObjectPtr, Offset, DAG.getDataLayout()) != LifetimeObject) - Offset = -1; // Cannot determine offset from alloca to lifetime object. - Res = DAG.getLifetimeNode(IsStart, sdl, getRoot(), FrameIndex, ObjectSize, - Offset); - DAG.setRoot(Res); - } + const int FrameIndex = SI->second; + Res = DAG.getLifetimeNode(IsStart, sdl, getRoot(), FrameIndex, ObjectSize); + DAG.setRoot(Res); return; } case Intrinsic::pseudoprobe: { |