[WebAssembly] Explicitly specify function/global index space in YAML

These indexes are useful because they are not always zero based and
functions and globals are referenced elsewhere by their index.

This matches what we already do for the type index space.

Differential Revision: https://reviews.llvm.org/D41877

llvm-svn: 322121

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/include/llvm/BinaryFormat/Wasm.h b/llvm/include/llvm/BinaryFormat/Wasm.h
index 57a0b441821..7d436180f03 100644
--- a/llvm/include/llvm/BinaryFormat/Wasm.h
+++ b/llvm/include/llvm/BinaryFormat/Wasm.h
@@ -66,6 +66,7 @@ struct WasmInitExpr {
 };
 
 struct WasmGlobal {
+  uint32_t Index;
   int32_t Type;
   bool Mutable;
   WasmInitExpr InitExpr;
@@ -89,6 +90,7 @@ struct WasmLocalDecl {
 };
 
 struct WasmFunction {
+  uint32_t Index;
   std::vector<WasmLocalDecl> Locals;
   ArrayRef<uint8_t> Body;
   uint32_t CodeSectionOffset;