From 4ab660b07789ef8a2297e2ff84ba02592742214c Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Thu, 3 Mar 2011 20:02:02 +0000
Subject: llvm::Function argument count is not a good indicator of how many
 arugments does the function have at source level. If we need more space, just
 resize vector conservatively. This vector is only used once per function.

llvm-svn: 126957
---
 llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp')

diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 9aa03892dfd..2feb1256ccf 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -2330,8 +2330,11 @@ bool DwarfDebug::addCurrentFnArgument(const MachineFunction *MF,
   if (ArgNo == 0) 
     return false;
 
-  if (CurrentFnArguments.size() == 0)
+  size_t Size = CurrentFnArguments.size();
+  if (Size == 0)
     CurrentFnArguments.resize(MF->getFunction()->arg_size());
+  else if (ArgNo > Size)
+    CurrentFnArguments.resize(ArgNo * 2);
   CurrentFnArguments[ArgNo - 1] = Var;
   return true;
 }
-- 
cgit v1.2.3