================
@@ -73,10 +77,55 @@ void HIPSPV::Linker::constructLinkAndEmitSpirvCommand(
tools::constructLLVMLinkCommand(C, *this, JA, Inputs, LinkArgs, Output, Args,
TempFile);
- // Post-link HIP lowering.
+ auto T = getToolChain().getTriple();
+
+ if (T.getOS() == llvm::Triple::ChipStar) {
+ // chipStar: run HipSpvPasses via opt, then use the in-tree SPIR-V backend
+ // for codegen (replaces the external llvm-spirv translator).
+
+ // Run HipSpvPasses plugin via opt (must run on LLVM IR before
+ // the SPIR-V backend lowers to MIR).
+ auto PassPluginPath = findPassPlugin(C.getDriver(), Args);
+ if (!PassPluginPath.empty()) {
+ const char *PassPathCStr = C.getArgs().MakeArgString(PassPluginPath);
+ const char *OptOutput = HIP::getTempFile(C, Name + "-lower", "bc");
+ ArgStringList OptArgs{TempFile, "-load-pass-plugin",
+ PassPathCStr, "-passes=hip-post-link-passes",
+ "-o", OptOutput};
+ const char *Opt =
+ Args.MakeArgString(getToolChain().GetProgramPath("opt"));
+ C.addCommand(std::make_unique<Command>(JA, *this,
+ ResponseFileSupport::None(), Opt,
+ OptArgs, Inputs, Output));
+ TempFile = OptOutput;
+ }
----------------
linehill wrote:
This portion is a duplicate from the below - could you refactor the duplication
away?
https://github.com/llvm/llvm-project/pull/186972
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