commit 518cda42b9dc8b8acb382ae3f49141985f706459
author Dan Gohman <gohman@apple.com> Sat Dec 17 00:04:22 2011 +0000
committer Dan Gohman <gohman@apple.com> Sat Dec 17 00:04:22 2011 +0000
tree 58a5083e95eafbb678def679f707ecf7d4415ccf
parent 27886c6c1efd95ddda693f2f77a301956505b11d

The powers that be have decided that LLVM IR should now support 16-bit
"half precision" floating-point with a first-class type.

This patch adds basic IR support (but not codegen support).

llvm-svn: 146786

llvm/lib/VMCore/ConstantFold.cpp

diff --git a/llvm/lib/VMCore/ConstantFold.cpp b/llvm/lib/VMCore/ConstantFold.cpp
index d1a9e7a..4d7a857 100644
--- a/llvm/lib/VMCore/ConstantFold.cpp
+++ b/llvm/lib/VMCore/ConstantFold.cpp
@@ -571,7 +571,8 @@
     if (ConstantFP *FPC = dyn_cast<ConstantFP>(V)) {
       bool ignored;
       APFloat Val = FPC->getValueAPF();
-      Val.convert(DestTy->isFloatTy() ? APFloat::IEEEsingle :
+      Val.convert(DestTy->isHalfTy() ? APFloat::IEEEhalf :
+                  DestTy->isFloatTy() ? APFloat::IEEEsingle :
                   DestTy->isDoubleTy() ? APFloat::IEEEdouble :
                   DestTy->isX86_FP80Ty() ? APFloat::x87DoubleExtended :
                   DestTy->isFP128Ty() ? APFloat::IEEEquad :