Strip off pointer casts when looking at the eh.sjlj.functioncontext's argument.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140678 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index b2b93c9..2bfb529 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -4757,7 +4757,8 @@
case Intrinsic::eh_sjlj_functioncontext: {
// Get and store the index of the function context.
MachineFrameInfo *MFI = DAG.getMachineFunction().getFrameInfo();
- AllocaInst *FnCtx = cast<AllocaInst>(I.getArgOperand(0));
+ AllocaInst *FnCtx =
+ cast<AllocaInst>(I.getArgOperand(0)->stripPointerCasts());
int FI = FuncInfo.StaticAllocaMap[FnCtx];
MFI->setFunctionContextIndex(FI);
return 0;