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 <pvele...@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});
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