From 490d34a5e00074c55ed3442dc53124752916348a Mon Sep 17 00:00:00 2001
From: TB Schardl <neboat@mit.edu>
Date: Sun, 3 Mar 2024 11:49:56 -0500
Subject: [PATCH] [Darwin] Use per-architecture LLVM bitcode files for the
 OpenCilk runtime.

---
 clang/lib/Driver/ToolChains/Darwin.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index dc6f8cdeeac0..81e473a487a6 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -3426,6 +3426,8 @@ void DarwinClang::AddOpenCilkABIBitcode(const ArgList &Args,
                                            : "libopencilk-abi");
   BitcodeFilename += "_";
   BitcodeFilename += getOSLibraryNameSuffix();
+  BitcodeFilename += "-";
+  BitcodeFilename += getMachOArchName(Args);
   BitcodeFilename += ".bc";
 
   for (auto RuntimePath : getOpenCilkRuntimePaths(Args)) {