[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, 3 insertions, 1 deletions

diff --git a/llvm/lib/ObjectYAML/WasmYAML.cpp b/llvm/lib/ObjectYAML/WasmYAML.cpp
index b2411395dc0..70721e006da 100644
--- a/llvm/lib/ObjectYAML/WasmYAML.cpp
+++ b/llvm/lib/ObjectYAML/WasmYAML.cpp
@@ -236,7 +236,7 @@ void ScalarEnumerationTraits<WasmYAML::SectionType>::enumeration(
 
 void MappingTraits<WasmYAML::Signature>::mapping(
     IO &IO, WasmYAML::Signature &Signature) {
-  IO.mapOptional("Index", Signature.Index);
+  IO.mapRequired("Index", Signature.Index);
   IO.mapRequired("ReturnType", Signature.ReturnType);
   IO.mapRequired("ParamTypes", Signature.ParamTypes);
 }
@@ -248,6 +248,7 @@ void MappingTraits<WasmYAML::Table>::mapping(IO &IO, WasmYAML::Table &Table) {
 
 void MappingTraits<WasmYAML::Function>::mapping(IO &IO,
                                                 WasmYAML::Function &Function) {
+  IO.mapRequired("Index", Function.Index);
   IO.mapRequired("Locals", Function.Locals);
   IO.mapRequired("Body", Function.Body);
 }
@@ -323,6 +324,7 @@ void MappingTraits<WasmYAML::Export>::mapping(IO &IO,
 
 void MappingTraits<WasmYAML::Global>::mapping(IO &IO,
                                               WasmYAML::Global &Global) {
+  IO.mapRequired("Index", Global.Index);
   IO.mapRequired("Type", Global.Type);
   IO.mapRequired("Mutable", Global.Mutable);
   IO.mapRequired("InitExpr", Global.InitExpr);