[COFF, ARM64] Implement Intrinsic.sponentry for AArch64
Summary: This patch adds Intrinsic.sponentry. This intrinsic is required to correctly support setjmp for AArch64 Windows platform.
Patch by: Yin Ma (yinma@codeaurora.org)
Reviewers: mgrang, ssijaric, eli.friedman, TomTan, mstorsjo, rnk, compnerd, efriedma
Reviewed By: efriedma
Subscribers: efriedma, javed.absar, kristof.beyls, chrib, llvm-commits
Differential Revision: https://reviews.llvm.org/D53996
llvm-svn: 345909
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index a96b862..d5fb7a0 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1059,6 +1059,7 @@
case ISD::FRAMEADDR:
case ISD::RETURNADDR:
case ISD::ADDROFRETURNADDR:
+ case ISD::SPONENTRY:
// These operations lie about being legal: when they claim to be legal,
// they should actually be custom-lowered.
Action = TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0));
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index dac99ed..cb650c6 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -5050,6 +5050,10 @@
setValue(&I, DAG.getNode(ISD::ADDROFRETURNADDR, sdl,
TLI.getPointerTy(DAG.getDataLayout())));
return nullptr;
+ case Intrinsic::sponentry:
+ setValue(&I, DAG.getNode(ISD::SPONENTRY, sdl,
+ TLI.getPointerTy(DAG.getDataLayout())));
+ return nullptr;
case Intrinsic::frameaddress:
setValue(&I, DAG.getNode(ISD::FRAMEADDR, sdl,
TLI.getPointerTy(DAG.getDataLayout()),
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
index 5c17a5d..c21f2d3 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
@@ -124,6 +124,7 @@
case ISD::RETURNADDR: return "RETURNADDR";
case ISD::ADDROFRETURNADDR: return "ADDROFRETURNADDR";
case ISD::FRAMEADDR: return "FRAMEADDR";
+ case ISD::SPONENTRY: return "SPONENTRY";
case ISD::LOCAL_RECOVER: return "LOCAL_RECOVER";
case ISD::READ_REGISTER: return "READ_REGISTER";
case ISD::WRITE_REGISTER: return "WRITE_REGISTER";