Add APInt interfaces to APFloat (allows directly

access to bits).  Use them in place of float and
double interfaces where appropriate.
First bits of x86 long double constants handling 
(untested, probably does not work).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41858 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/include/llvm/ADT/APFloat.h b/include/llvm/ADT/APFloat.h
index 83c370e..baa9de0 100644
--- a/include/llvm/ADT/APFloat.h
+++ b/include/llvm/ADT/APFloat.h
@@ -170,6 +170,7 @@ namespace llvm {
     APFloat(const fltSemantics &, fltCategory, bool negative);
     APFloat(double d);
     APFloat(float f);
+    APFloat(const APInt &);
     APFloat(const APFloat &);
     ~APFloat();
 
@@ -191,6 +192,7 @@ namespace llvm {
     opStatus convertFromInteger(const integerPart *, unsigned int, bool,
 				roundingMode);
     opStatus convertFromString(const char *, roundingMode);
+    APInt convertToAPInt() const;
     double convertToDouble() const;
     float convertToFloat() const;
 
@@ -256,6 +258,13 @@ namespace llvm {
 					roundingMode);
     lostFraction combineLostFractions(lostFraction, lostFraction);
     opStatus convertFromHexadecimalString(const char *, roundingMode);
+    APInt convertFloatAPFloatToAPInt() const;
+    APInt convertDoubleAPFloatToAPInt() const;
+    APInt convertF80LongDoubleAPFloatToAPInt() const;
+    void initFromAPInt(const APInt& api);
+    void initFromFloatAPInt(const APInt& api);
+    void initFromDoubleAPInt(const APInt& api);
+    void initFromF80LongDoubleAPInt(const APInt& api);
 
     void assign(const APFloat &);
     void copySignificand(const APFloat &);