commit 35d19c0f1cac619ddc560fd67965bd245d67a840
author NAKAMURA Takumi <geek4civic@gmail.com> Thu Feb 16 08:12:24 2012 +0000
committer NAKAMURA Takumi <geek4civic@gmail.com> Thu Feb 16 08:12:24 2012 +0000
tree 3136678ee195014ee16ad35b23657ab64d6f9e28
parent 59b1bc16eb18182a4fd954450b1eec8608c1fe82

VMCore/AsmWriter.cpp: Tweak to check #INF and #NAN earlier.

With MSVCRT, prior checker missed emission of #INF and #NAN.

FIXME: Checking should be simpler.
llvm-svn: 150667

llvm/lib/VMCore/AsmWriter.cpp

diff --git a/llvm/lib/VMCore/AsmWriter.cpp b/llvm/lib/VMCore/AsmWriter.cpp
index 21d4566..6874906 100644
--- a/llvm/lib/VMCore/AsmWriter.cpp
+++ b/llvm/lib/VMCore/AsmWriter.cpp
@@ -719,7 +719,9 @@
       bool ignored;
       bool isHalf = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEhalf;
       bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble;
-      if (!isHalf) {
+      bool isInf = CFP->getValueAPF().isInfinity();
+      bool isNaN = CFP->getValueAPF().isNaN();
+      if (!isHalf && !isInf && !isNaN) {
         double Val = isDouble ? CFP->getValueAPF().convertToDouble() :
                                 CFP->getValueAPF().convertToFloat();
         SmallString<128> StrVal;