From aec412337cdfcde96a1bc663006c481ca5abd98d Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Thu, 16 Feb 2012 04:19:15 +0000
Subject: [PATCH] VMCore/AsmWriter.cpp: Use APFloat instead of atof(3).

atof(3) might behave differently among platforms.

llvm-svn: 150661
---
 llvm/lib/VMCore/AsmWriter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index 7bec783b0d31..21d4566a0805 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -733,7 +733,7 @@ static void WriteConstantInternal(raw_ostream &Out, const Constant *CV,
             ((StrVal[0] == '-' || StrVal[0] == '+') &&
              (StrVal[1] >= '0' && StrVal[1] <= '9'))) {
           // Reparse stringized version!
-          if (atof(StrVal.c_str()) == Val) {
+          if (APFloat(APFloat::IEEEdouble, StrVal).convertToDouble() == Val) {
             Out << StrVal.str();
             return;
           }