From f8e783f1662812a0a417e463f1ea646c96bb0743 Mon Sep 17 00:00:00 2001
From: Chris Bieneman <chris.bieneman@me.com>
Date: Wed, 1 Feb 2023 23:19:35 -0600
Subject: [PATCH] [DX] Speculative fix for big endian encoding

I missed byte swapping the size field.
---
 llvm/lib/MC/DXContainerPSVInfo.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/lib/MC/DXContainerPSVInfo.cpp b/llvm/lib/MC/DXContainerPSVInfo.cpp
index 5463f85..399f54c 100644
--- a/llvm/lib/MC/DXContainerPSVInfo.cpp
+++ b/llvm/lib/MC/DXContainerPSVInfo.cpp
@@ -26,6 +26,8 @@ void PSVRuntimeInfo::write(raw_ostream &OS, uint32_t Version) const {
   default:
     InfoSize = sizeof(dxbc::PSV::v2::RuntimeInfo);
   }
+  if (sys::IsBigEndianHost)
+    sys::swapByteOrder(InfoSize);
   // Write the size of the info.
   OS.write(reinterpret_cast<const char *>(&InfoSize), sizeof(uint32_t));
   // Write the info itself.
-- 
2.7.4