diff options
Diffstat (limited to 'contrib/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | contrib/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp b/contrib/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp index 1280bcd36de9..eb13cd40eb8a 100644 --- a/contrib/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp +++ b/contrib/llvm-project/clang/lib/CodeGen/CodeGenModule.cpp @@ -67,6 +67,7 @@ #include "llvm/Support/CommandLine.h" #include "llvm/Support/ConvertUTF.h" #include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/RISCVISAInfo.h" #include "llvm/Support/TimeProfiler.h" #include "llvm/Support/xxhash.h" #include "llvm/TargetParser/Triple.h" @@ -1059,6 +1060,19 @@ void CodeGenModule::Release() { llvm::LLVMContext &Ctx = TheModule.getContext(); getModule().addModuleFlag(llvm::Module::Error, "target-abi", llvm::MDString::get(Ctx, ABIStr)); + + // Add the canonical ISA string as metadata so the backend can set the ELF + // attributes correctly. We use AppendUnique so LTO will keep all of the + // unique ISA strings that were linked together. + const std::vector<std::string> &Features = + getTarget().getTargetOpts().Features; + auto ParseResult = llvm::RISCVISAInfo::parseFeatures( + Arch == llvm::Triple::riscv64 ? 64 : 32, Features); + if (!errorToBool(ParseResult.takeError())) + getModule().addModuleFlag( + llvm::Module::AppendUnique, "riscv-isa", + llvm::MDNode::get( + Ctx, llvm::MDString::get(Ctx, (*ParseResult)->toString()))); } if (CodeGenOpts.SanitizeCfiCrossDso) { |