From 21f2955bb289bffe61f68a8b0726bbec24216214 Mon Sep 17 00:00:00 2001
From: Luke Cheeseman <luke.cheeseman@arm.com>
Date: Fri, 28 Sep 2018 13:37:27 +0000
Subject: Reapply changes reverted by r343235

- Add fix so that all code paths that create DWARFContext
  with an ObjectFile initialise the target architecture in the context
- Add an assert that the Arch is known in the Dwarf CallFrameString method

llvm-svn: 343317
---
 llvm/lib/MC/MCStreamer.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'llvm/lib/MC/MCStreamer.cpp')

diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp
index fa0d1f46cbb..bb8f3b8ccec 100644
--- a/llvm/lib/MC/MCStreamer.cpp
+++ b/llvm/lib/MC/MCStreamer.cpp
@@ -565,6 +565,15 @@ void MCStreamer::EmitCFIWindowSave() {
   CurFrame->Instructions.push_back(Instruction);
 }
 
+void MCStreamer::EmitCFINegateRAState() {
+  MCSymbol *Label = EmitCFILabel();
+  MCCFIInstruction Instruction = MCCFIInstruction::createNegateRAState(Label);
+  MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
+  if (!CurFrame)
+    return;
+  CurFrame->Instructions.push_back(Instruction);
+}
+
 void MCStreamer::EmitCFIReturnColumn(int64_t Register) {
   MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo();
   if (!CurFrame)
-- 
cgit v1.2.3