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

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
index 8e7e5305199..63aa0861fcc 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCAsmInfo.cpp
@@ -142,6 +142,7 @@ X86MCAsmInfoMicrosoft::X86MCAsmInfoMicrosoft(const Triple &Triple) {
   if (Triple.getArch() == Triple::x86_64) {
     PrivateGlobalPrefix = ".L";
     PointerSize = 8;
+    WinEHEncodingType = WinEH::EncodingType::Itanium;
     ExceptionsType = ExceptionHandling::WinEH;
   }
 
@@ -161,6 +162,7 @@ X86MCAsmInfoGNUCOFF::X86MCAsmInfoGNUCOFF(const Triple &Triple) {
   if (Triple.getArch() == Triple::x86_64) {
     PrivateGlobalPrefix = ".L";
     PointerSize = 8;
+    WinEHEncodingType = WinEH::EncodingType::Itanium;
     ExceptionsType = ExceptionHandling::WinEH;
   } else {
     ExceptionsType = ExceptionHandling::DwarfCFI;