commit 52546c223b7aee67abb238623881f71d2d77a779
author Devang Patel <dpatel@apple.com> Fri Apr 30 20:23:54 2010 +0000
committer Devang Patel <dpatel@apple.com> Fri Apr 30 20:23:54 2010 +0000
tree 0a498fc427bb24b637e987ff20e998a7f6f52c7f
parent dd83c0a86dffcb5c72232e5a42f6f22d4e0c8e0e

Preserve debug info attached with call instruction while eliminating dead argument.
Radar 7927803


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102760 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/DeadArgumentElimination.cpp

diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 191c62a..6443dd4f 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -243,6 +243,9 @@
       if (cast<CallInst>(Call)->isTailCall())
         cast<CallInst>(New)->setTailCall();
     }
+    if (MDNode *N = Call->getDbgMetadata())
+      New->setDbgMetadata(N);
+
     Args.clear();
 
     if (!Call->use_empty())
@@ -770,6 +773,9 @@
       if (cast<CallInst>(Call)->isTailCall())
         cast<CallInst>(New)->setTailCall();
     }
+    if (MDNode *N = Call->getDbgMetadata())
+      New->setDbgMetadata(N);
+
     Args.clear();
 
     if (!Call->use_empty()) {