3 files changed, 12 insertions, 2 deletions
diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index a89fbd621a5..78c305051ee 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -22,6 +22,16 @@ using namespace clang;
 // Primary Expressions.
 //===----------------------------------------------------------------------===//
 
+/// getValueAsApproximateDouble - This returns the value as an inaccurate
+/// double.  Note that this may cause loss of precision, but is useful for
+/// debugging dumps, etc.
+double FloatingLiteral::getValueAsApproximateDouble() const {
+  llvm::APFloat V = getValue();
+  V.convert(llvm::APFloat::IEEEdouble, llvm::APFloat::rmNearestTiesToEven);
+  return V.convertToDouble();
+}
+
+
 StringLiteral::StringLiteral(const char *strData, unsigned byteLength, 
                              bool Wide, QualType t, SourceLocation firstLoc,
                              SourceLocation lastLoc) : 
diff --git a/clang/lib/AST/StmtDumper.cpp b/clang/lib/AST/StmtDumper.cpp
index 082d2a22595..ae6ca40460a 100644
--- a/clang/lib/AST/StmtDumper.cpp
+++ b/clang/lib/AST/StmtDumper.cpp
@@ -335,7 +335,7 @@ void StmtDumper::VisitIntegerLiteral(IntegerLiteral *Node) {
 }
 void StmtDumper::VisitFloatingLiteral(FloatingLiteral *Node) {
   DumpExpr(Node);
-  fprintf(F, " %f", Node->getValueAsDouble());
+  fprintf(F, " %f", Node->getValueAsApproximateDouble());
 }
 
 void StmtDumper::VisitStringLiteral(StringLiteral *Str) {
diff --git a/clang/lib/AST/StmtPrinter.cpp b/clang/lib/AST/StmtPrinter.cpp
index a740facf76f..5e347435b63 100644
--- a/clang/lib/AST/StmtPrinter.cpp
+++ b/clang/lib/AST/StmtPrinter.cpp
@@ -577,7 +577,7 @@ void StmtPrinter::VisitIntegerLiteral(IntegerLiteral *Node) {
 }
 void StmtPrinter::VisitFloatingLiteral(FloatingLiteral *Node) {
   // FIXME: print value more precisely.
-  OS << Node->getValueAsDouble();
+  OS << Node->getValueAsApproximateDouble();
 }
 
 void StmtPrinter::VisitImaginaryLiteral(ImaginaryLiteral *Node) {