From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 13 Mar 2007 20:37:59 +0000 (+0000)
Subject: Zero is always a legal AM immediate.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=961f879ed8642e63db712d0528680a48076fa760;p=oota-llvm.git

Zero is always a legal AM immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35087 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 2038a3e3aef..f23d8aeb37e 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1273,6 +1273,9 @@ ARMTargetLowering::InsertAtEndOfBasicBlock(MachineInstr *MI,
 /// as the offset of the target addressing mode for load / store of the
 /// given type.
 bool ARMTargetLowering::isLegalAddressImmediate(int64_t V,const Type *Ty) const{
+  if (V == 0)
+    return true;
+
   MVT::ValueType VT = getValueType(Ty);
   if (Subtarget->isThumb()) {
     if (V < 0)