From 6deba28c6fcca94ffebe3b8b904ab6ec074ea419 Mon Sep 17 00:00:00 2001
From: David Goodwin <david_goodwin@apple.com>
Date: Thu, 23 Jul 2009 17:06:46 +0000
Subject: Fix frame index elimination to correctly handle thumb-2 addressing
 modes that don't allow negative offsets. During frame elimination convert
 *i12 opcode to a *i8 when necessary due to a negative offset.

llvm-svn: 76883
---
 llvm/lib/Target/ARM/ARMInstrInfo.cpp | 5 +++++
 1 file changed, 5 insertions(+)

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

diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.cpp b/llvm/lib/Target/ARM/ARMInstrInfo.cpp
index 688dc31c139..45b77c83bee 100644
--- a/llvm/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMInstrInfo.cpp
@@ -29,6 +29,11 @@ ARMInstrInfo::ARMInstrInfo(const ARMSubtarget &STI)
   : ARMBaseInstrInfo(STI), RI(*this, STI) {
 }
 
+unsigned ARMInstrInfo::
+unsignedOffsetOpcodeToSigned(unsigned opcode, unsigned *NumBits) const {
+  return 0;
+}
+
 unsigned ARMInstrInfo::
 getUnindexedOpcode(unsigned Opc) const {
   switch (Opc) {
-- 
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