[SCCP] Properly report modifications when deleting globals

Detected by an upcoming change.

diff --git a/llvm/lib/Transforms/IPO/SCCP.cpp b/llvm/lib/Transforms/IPO/SCCP.cpp
index 2174827..5e2a23b 100644 (file)
--- a/llvm/lib/Transforms/IPO/SCCP.cpp
+++ b/llvm/lib/Transforms/IPO/SCCP.cpp
@@ -366,8 +366,8 @@ static bool runIPSCCP(
     while (!GV->use_empty()) {
       StoreInst *SI = cast<StoreInst>(GV->user_back());
       SI->eraseFromParent();
-      MadeChanges = true;
     }
+    MadeChanges = true;
     M.eraseGlobalVariable(GV);
     ++NumGlobalConst;
   }