commit 358af38d37da648a0829d554c5242b68e7eb5002
author Nicholas Wilson <nicholas@nicholaswilson.me.uk> Fri Apr 20 17:28:12 2018 +0000
committer Nicholas Wilson <nicholas@nicholaswilson.me.uk> Fri Apr 20 17:28:12 2018 +0000
tree a7431b5eaa7329ce2e2696baf0d0ce9bbd44a723
parent 3a1b697d6e4ae861ef23965e2d4948aeb5b065b0

[WebAssembly] Implement -print-gc-sections, to better test GC of globals

Differential Revision: https://reviews.llvm.org/D44311

llvm-svn: 330456

lld/wasm/MarkLive.cpp

diff --git a/lld/wasm/MarkLive.cpp b/lld/wasm/MarkLive.cpp
index 2b30f6a..95d9782 100644
--- a/lld/wasm/MarkLive.cpp
+++ b/lld/wasm/MarkLive.cpp
@@ -22,6 +22,7 @@
 #include "MarkLive.h"
 #include "Config.h"
 #include "InputChunks.h"
+#include "InputGlobal.h"
 #include "SymbolTable.h"
 #include "Symbols.h"
 
@@ -102,9 +103,15 @@
       for (InputChunk *C : Obj->Segments)
         if (!C->Live)
           message("removing unused section " + toString(C));
+      for (InputGlobal *G : Obj->Globals)
+        if (!G->Live)
+          message("removing unused section " + toString(G));
     }
     for (InputChunk *C : Symtab->SyntheticFunctions)
       if (!C->Live)
         message("removing unused section " + toString(C));
+    for (InputGlobal *G : Symtab->SyntheticGlobals)
+      if (!G->Live)
+        message("removing unused section " + toString(G));
   }
 }