commit 4f0bd68cfe4f72902215e1c27411286a8bb7d641
author Dale Johannesen <dalej@apple.com> Thu Oct 09 23:00:39 2008 +0000
committer Dale Johannesen <dalej@apple.com> Thu Oct 09 23:00:39 2008 +0000
tree c8880de304064760a3dea7762950f59e7c034cb7
parent 54306fe499499e57ac1bf8c9cd4fbe8321015ffd

Add a "loses information" return value to APFloat::convert
and APFloat::convertToInteger.  Restore return value to
IEEE754.  Adjust all users accordingly.

llvm-svn: 57329

llvm/lib/Target/X86/X86ISelLowering.cpp

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index d74588e..d5b2b44 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -482,13 +482,16 @@
   setOperationAction(ISD::UNDEF,     MVT::f80, Expand);
   setOperationAction(ISD::FCOPYSIGN, MVT::f80, Expand);
   {
+    bool ignored;
     APFloat TmpFlt(+0.0);
-    TmpFlt.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven);
+    TmpFlt.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven,
+                   &ignored);
     addLegalFPImmediate(TmpFlt);  // FLD0
     TmpFlt.changeSign();
     addLegalFPImmediate(TmpFlt);  // FLD0/FCHS
     APFloat TmpFlt2(+1.0);
-    TmpFlt2.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven);
+    TmpFlt2.convert(APFloat::x87DoubleExtended, APFloat::rmNearestTiesToEven,
+                    &ignored);
     addLegalFPImmediate(TmpFlt2);  // FLD1
     TmpFlt2.changeSign();
     addLegalFPImmediate(TmpFlt2);  // FLD1/FCHS