From 1cdaa3e5b1128bd9e62ad9b5084db8a44b897e88 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 9 Nov 2010 20:09:35 +0000
Subject: [PATCH] VAArg doesn't capture its operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118623 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/CaptureTracking.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/Analysis/CaptureTracking.cpp b/lib/Analysis/CaptureTracking.cpp
index 90eae20858f..42a54d9d1eb 100644
--- a/lib/Analysis/CaptureTracking.cpp
+++ b/lib/Analysis/CaptureTracking.cpp
@@ -95,6 +95,9 @@ bool llvm::PointerMayBeCaptured(const Value *V,
     case Instruction::Load:
       // Loading from a pointer does not cause it to be captured.
       break;
+    case Instruction::VAArg:
+      // "va-arg" from a pointer does not cause it to be captured.
+      break;
     case Instruction::Ret:
       if (ReturnCaptures)
         return true;
-- 
2.34.1