[clang] HIPSPV: Unbundle SDL (PR #136412)

[Paulius Velesko via cfe-commits]

https://github.com/pvelesko created https://github.com/llvm/llvm-project/pull/136412

This fixes the issue of rdc linking static libraries with device code

>From 4a569a2b71cec13771c6b0695f732e721efcad82 Mon Sep 17 00:00:00 2001
From: Paulius Velesko <pvelesko at pglc.io>
Date: Sat, 19 Apr 2025 10:02:59 +0300
Subject: [PATCH] HIPSPV: Unbundle SDL

This fixes the issue of rdc linking static libraries with device code
---
 clang/lib/Driver/ToolChains/HIPSPV.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/clang/lib/Driver/ToolChains/HIPSPV.cpp b/clang/lib/Driver/ToolChains/HIPSPV.cpp
index bbde5c047c3f9..9d227ca6fa1c8 100644
--- a/clang/lib/Driver/ToolChains/HIPSPV.cpp
+++ b/clang/lib/Driver/ToolChains/HIPSPV.cpp
@@ -70,6 +70,16 @@ void HIPSPV::Linker::constructLinkAndEmitSpirvCommand(
 
   // Link LLVM bitcode.
   ArgStringList LinkArgs{};
+
+  // Add static device libraries using the common helper function.
+  // This handles unbundling archives (.a) containing bitcode bundles.
+  const HIPSPVToolChain &TC = static_cast<const HIPSPVToolChain &>(getToolChain());
+  StringRef Arch = TC.getTriple().getArchName();
+  StringRef Target = "generic"; // SPIR-V is generic, no specific target ID like -mcpu
+  tools::AddStaticDeviceLibsLinking(C, *this, JA, Inputs, Args, LinkArgs, Arch,
+                                  Target, /*IsBitCodeSDL=*/true,
+                                  /*PostClangLink=*/false);
+
   for (auto Input : Inputs)
     LinkArgs.push_back(Input.getFilename());
   LinkArgs.append({"-o", TempFile});