diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/RSEmbedInfo.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/RSEmbedInfo.cpp b/lib/RSEmbedInfo.cpp index 0acea3d..77208cd 100644 --- a/lib/RSEmbedInfo.cpp +++ b/lib/RSEmbedInfo.cpp @@ -23,11 +23,13 @@ #include "bcc/Config.h" #include "bcinfo/MetadataExtractor.h" +#include <string> #include <cstdlib> #include <vector> #include <llvm/IR/DerivedTypes.h> #include <llvm/IR/Function.h> +#include <llvm/IR/Metadata.h> #include <llvm/IR/Instructions.h> #include <llvm/IR/IRBuilder.h> #include <llvm/IR/Module.h> @@ -157,6 +159,32 @@ public: s << "buildChecksum: " << buildChecksum << "\n"; } + { + // As per `exportReduceCount`'s linewise fields, we use the literal `"."` + // to signify the empty field. This makes it easy to parse when it's + // missing. + llvm::StringRef slangVersion("."); + if (auto nmd = module->getNamedMetadata("slang.llvm.version")) { + if (auto md = nmd->getOperand(0)) { + if (const auto ver = + llvm::dyn_cast<llvm::MDString>(md->getOperand(0))) { + slangVersion = ver->getString(); + } + } + } + s << "versionInfo: 2\n"; + s << "bcc - " << LLVM_VERSION_STRING << "\n"; + s << "slang - " << slangVersion << "\n"; + if (slangVersion != LLVM_VERSION_STRING && me.hasDebugInfo()) { + ALOGW( + "The debug info in module '%s' has a different version than " + "expected (%s, expecting %s). The debugging experience may be " + "unreliable.", + module->getModuleIdentifier().c_str(), slangVersion.str().c_str(), + LLVM_VERSION_STRING); + } + } + s.flush(); return str; } |