vendor/llvm/llvm-release_80-r351543

1 files changed, 14 insertions, 9 deletions

diff --git a/lib/CodeGen/AsmPrinter/WinException.cpp b/lib/CodeGen/AsmPrinter/WinException.cpp
index cf8e8c69bc2a..92df09b7d6a2 100644
--- a/lib/CodeGen/AsmPrinter/WinException.cpp
+++ b/lib/CodeGen/AsmPrinter/WinException.cpp
@@ -545,15 +545,17 @@ void WinException::emitCSpecificHandlerTable(const MachineFunction *MF) {
       OS.AddComment(Comment);
   };
 
-  // Emit a label assignment with the SEH frame offset so we can use it for
-  // llvm.eh.recoverfp.
-  StringRef FLinkageName =
-      GlobalValue::dropLLVMManglingEscape(MF->getFunction().getName());
-  MCSymbol *ParentFrameOffset =
-      Ctx.getOrCreateParentFrameOffsetSymbol(FLinkageName);
-  const MCExpr *MCOffset =
-      MCConstantExpr::create(FuncInfo.SEHSetFrameOffset, Ctx);
-  Asm->OutStreamer->EmitAssignment(ParentFrameOffset, MCOffset);
+  if (!isAArch64) {
+    // Emit a label assignment with the SEH frame offset so we can use it for
+    // llvm.eh.recoverfp.
+    StringRef FLinkageName =
+        GlobalValue::dropLLVMManglingEscape(MF->getFunction().getName());
+    MCSymbol *ParentFrameOffset =
+        Ctx.getOrCreateParentFrameOffsetSymbol(FLinkageName);
+    const MCExpr *MCOffset =
+        MCConstantExpr::create(FuncInfo.SEHSetFrameOffset, Ctx);
+    Asm->OutStreamer->EmitAssignment(ParentFrameOffset, MCOffset);
+  }
 
   // Use the assembler to compute the number of table entries through label
   // difference and division.
@@ -937,6 +939,9 @@ void WinException::emitEHRegistrationOffsetLabel(const WinEHFuncInfo &FuncInfo,
   if (FI != INT_MAX) {
     const TargetFrameLowering *TFI = Asm->MF->getSubtarget().getFrameLowering();
     unsigned UnusedReg;
+    // FIXME: getFrameIndexReference needs to match the behavior of
+    // AArch64RegisterInfo::hasBasePointer in which one of the scenarios where
+    // SP is used is if frame size >= 256.
     Offset = TFI->getFrameIndexReference(*Asm->MF, FI, UnusedReg);
   }