From: Devang Patel <dpatel@apple.com>
Date: Thu, 10 Feb 2011 00:40:52 +0000 (+0000)
Subject: If an aggregate is returned as 'sret' argument then let debugger know about this.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0691f93ac23978e2b28b031e5c4a0b3c6dc94798;p=clang

If an aggregate is returned as 'sret' argument then let debugger know about this.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125249 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 8036efe9ec..091dcc9d0e 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1764,6 +1764,12 @@ void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag,
   if (IndirectArgument && VD->getType()->isRecordType())
     Ty = DBuilder.CreateReferenceType(Ty);
 
+  // If Storage is an aggregate returned as 'sret' then let debugger know
+  // about this.
+  if (llvm::Argument *Arg = dyn_cast<llvm::Argument>(Storage))
+    if (Arg->hasStructRetAttr())
+      Ty = DBuilder.CreateReferenceType(Ty);
+      
   // Get location information.
   unsigned Line = getLineNumber(VD->getLocation());
   unsigned Column = getColumnNumber(VD->getLocation());