From 2f0ac8d961cc791ffa59ca101c4687498ac27ff8 Mon Sep 17 00:00:00 2001
From: Amaury de la Vieuville <amaury.dlv@gmail.com>
Date: Mon, 24 Jun 2013 09:11:45 +0000
Subject: ARM: fix IT decoding

mask == 0 -> UNPRED

llvm-svn: 184702
---
 llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp')

diff --git a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index 186bc9c0ea4..bc874f4b46a 100644
--- a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -4667,10 +4667,8 @@ static DecodeStatus DecodeIT(MCInst &Inst, unsigned Insn,
     S = MCDisassembler::SoftFail;
   }
 
-  if (mask == 0x0) {
-    mask |= 0x8;
-    S = MCDisassembler::SoftFail;
-  }
+  if (mask == 0x0)
+    return MCDisassembler::Fail;
 
   Inst.addOperand(MCOperand::CreateImm(pred));
   Inst.addOperand(MCOperand::CreateImm(mask));
-- 
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