From 9bf6f549d3cb1607281c879805587fc0a518a65f Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Sat, 1 Apr 2017 21:50:08 +0000
Subject: [PATCH] [APInt] Implement flipAllBitsSlowCase with tcComplement. NFCI

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299319 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/APInt.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index babfbdc21a6..f4190eb805d 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -539,8 +539,7 @@ void APInt::clearBit(unsigned bitPosition) {
 
 /// @brief Toggle every bit to its opposite value.
 void APInt::flipAllBitsSlowCase() {
-  for (unsigned i = 0; i < getNumWords(); ++i)
-    pVal[i] ^= UINT64_MAX;
+  tcComplement(pVal, getNumWords());
   clearUnusedBits();
 }
 
-- 
2.50.1