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

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Paulius Velesko (pvelesko)

<details>
<summary>Changes</summary>

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

---
Full diff: https://github.com/llvm/llvm-project/pull/136412.diff


1 Files Affected:

- (modified) clang/lib/Driver/ToolChains/HIPSPV.cpp (+10) 


``````````diff
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});

``````````

</details>


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