[WebAssembly] Parse llvm.ident into producers section

Summary:
Everything before the word "version" is the tool, and everything after
the word "version" is the version.

Reviewers: aheejin, dschuff

Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits

Differential Revision: https://reviews.llvm.org/D56742

llvm-svn: 351399

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/include/llvm/BinaryFormat/Wasm.h b/llvm/include/llvm/BinaryFormat/Wasm.h
index d9f0f94b298..05439c60872 100644
--- a/llvm/include/llvm/BinaryFormat/Wasm.h
+++ b/llvm/include/llvm/BinaryFormat/Wasm.h
@@ -43,6 +43,12 @@ struct WasmDylinkInfo {
   std::vector<StringRef> Needed; // Shared library depenedencies
 };
 
+struct WasmProducerInfo {
+  std::vector<std::pair<std::string, std::string>> Languages;
+  std::vector<std::pair<std::string, std::string>> Tools;
+  std::vector<std::pair<std::string, std::string>> SDKs;
+};
+
 struct WasmExport {
   StringRef Name;
   uint8_t Kind;