From 20a4c23bcc958cbc3ce9775b440d205ac0944db8 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Sat, 19 May 2007 00:29:55 +0000
Subject: [PATCH] Fix an assertion introduced by my last change to the toString
 method. We can't use getZExtValue() to extract the low order bits for each
 digit. Instead, we need to access the low order word directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37242 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/APInt.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 49945d84978..267aaf81d44 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -1962,9 +1962,9 @@ std::string APInt::toString(uint8_t radix, bool wantSigned) const {
       uint64_t mask = radix - 1;
       APInt zero(tmp.getBitWidth(), 0);
       while (tmp.ne(zero)) {
-        unsigned digit = tmp.getZExtValue() & mask;
-        tmp = tmp.lshr(shift);
+        unsigned digit = (tmp.isSingleWord() ? tmp.VAL : tmp.pVal[0]) & mask;
         result.insert(insert_at, digits[digit]);
+        tmp = tmp.lshr(shift);
       }
     }
     return result;