From d1a4ed6a7c333d102ea537a227dc72c6ba90b1df Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Mon, 1 Sep 2014 23:48:39 +0000
Subject: CodeGen: indicate Windows unwind data format

The structures for Windows unwinding are shared across multiple platforms.
Indicate the encoding to be used for the particular target.  Use this to switch
the unwind emitter instantiated by the AsmPrinter.

llvm-svn: 216895
---
 llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp')

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index c2fd91830f5..4319a577117 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -244,7 +244,12 @@ bool AsmPrinter::doInitialization(Module &M) {
     ES = new ARMException(this);
     break;
   case ExceptionHandling::WinEH:
-    ES = new Win64Exception(this);
+    switch (MAI->getWinEHEncodingType()) {
+    default: llvm_unreachable("unsupported unwinding information encoding");
+    case WinEH::EncodingType::Itanium:
+      ES = new Win64Exception(this);
+      break;
+    }
     break;
   }
   if (ES)
-- 
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