From 87707b90b15bf103c2f10ad815dc215c335adcf2 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Fri, 9 Mar 2007 19:26:52 +0000
Subject: [PATCH] For PR1245: Account for the sign bit when computing the
 number of bits required for a negative integer literal constant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35046 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AsmParser/Lexer.l | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/AsmParser/Lexer.l b/lib/AsmParser/Lexer.l
index 2950b1832ef..3cd08e9aeee 100644
--- a/lib/AsmParser/Lexer.l
+++ b/lib/AsmParser/Lexer.l
@@ -377,7 +377,7 @@ shufflevector   { RET_TOK(OtherOpVal, ShuffleVector, SHUFFLEVECTOR); }
                   }
                 }
 {NInteger}      { int len = strlen(yytext); 
-                  uint32_t numBits = (((len-1) * 64) / 19) + 1;
+                  uint32_t numBits = (((len-1) * 64) / 19) + 2;
                   APInt Tmp(numBits, yytext, len, 10);
                   uint32_t minBits = Tmp.getMinSignedBits();
                   if (minBits > 0 && minBits < numBits)