[llvm] 657e769 - Revert rGce587529ad8b5 - "[APFloat] multiplySignificand - pass IEEEFloat as const reference. NFCI."

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2021-02-01T16:15:23Z
New Revision: 657e76968822f6fbfc06826e2af88806025e32cb

URL: https://github.com/llvm/llvm-project/commit/657e76968822f6fbfc06826e2af88806025e32cb
DIFF: https://github.com/llvm/llvm-project/commit/657e76968822f6fbfc06826e2af88806025e32cb.diff

LOG: Revert rGce587529ad8b5 - "[APFloat] multiplySignificand - pass IEEEFloat as const reference. NFCI."

Breaks on some buildbots

Added: 
    

Modified: 
    llvm/include/llvm/ADT/APFloat.h
    llvm/lib/Support/APFloat.cpp

Removed: 
    


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diff  --git a/llvm/include/llvm/ADT/APFloat.h b/llvm/include/llvm/ADT/APFloat.h
index f3ec92ec4e33..8aafd525196d 100644
--- a/llvm/include/llvm/ADT/APFloat.h
+++ b/llvm/include/llvm/ADT/APFloat.h
@@ -492,8 +492,8 @@ class IEEEFloat final : public APFloatBase {
   integerPart addSignificand(const IEEEFloat &);
   integerPart subtractSignificand(const IEEEFloat &, integerPart);
   lostFraction addOrSubtractSignificand(const IEEEFloat &, bool subtract);
-  lostFraction multiplySignificand(const IEEEFloat &, const IEEEFloat &);
-  lostFraction multiplySignificand(const IEEEFloat &);
+  lostFraction multiplySignificand(const IEEEFloat &, IEEEFloat);
+  lostFraction multiplySignificand(const IEEEFloat&);
   lostFraction divideSignificand(const IEEEFloat &);
   void incrementSignificand();
   void initialize(const fltSemantics *);

diff  --git a/llvm/lib/Support/APFloat.cpp b/llvm/lib/Support/APFloat.cpp
index 946cd68493d6..1069d1fb4603 100644
--- a/llvm/lib/Support/APFloat.cpp
+++ b/llvm/lib/Support/APFloat.cpp
@@ -1007,7 +1007,7 @@ IEEEFloat::integerPart IEEEFloat::subtractSignificand(const IEEEFloat &rhs,
    on to the full-precision result of the multiplication.  Returns the
    lost fraction.  */
 lostFraction IEEEFloat::multiplySignificand(const IEEEFloat &rhs,
-                                            const IEEEFloat &addend) {
+                                            IEEEFloat addend) {
   unsigned int omsb;        // One, not zero, based MSB.
   unsigned int partsCount, newPartsCount, precision;
   integerPart *lhsSignificand;