X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FARM%2FARMISelDAGToDAG.cpp;h=6e7edbf9fb15b23987f5c842ca197d649158a479;hb=aad888f28ee3e920b6e1a3828398f6c9c256f3d3;hp=dfbb969594702863f9742c62684e7e7d17d7f741;hpb=5ad5d2c5359a4e878c732db59ee7fc6e0a25dc00;p=oota-llvm.git

diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index dfbb9695947..6e7edbf9fb1 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -747,7 +747,7 @@ bool ARMDAGToDAGISel::SelectLdStSOReg(SDValue N, SDValue &Base, SDValue &Offset,
 
   // If Offset is a multiply-by-constant and it's profitable to extract a shift
   // and use it in a shifted operand do so.
-  if (Offset.getOpcode() == ISD::MUL) {
+  if (Offset.getOpcode() == ISD::MUL && N.hasOneUse()) {
     unsigned PowerOfTwo = 0;
     SDValue NewMulConst;
     if (canExtractShiftFromMul(Offset, 31, PowerOfTwo, NewMulConst)) {
@@ -1422,7 +1422,7 @@ bool ARMDAGToDAGISel::SelectT2AddrModeSoReg(SDValue N,
 
   // If OffReg is a multiply-by-constant and it's profitable to extract a shift
   // and use it in a shifted operand do so.
-  if (OffReg.getOpcode() == ISD::MUL) {
+  if (OffReg.getOpcode() == ISD::MUL && N.hasOneUse()) {
     unsigned PowerOfTwo = 0;
     SDValue NewMulConst;
     if (canExtractShiftFromMul(OffReg, 3, PowerOfTwo, NewMulConst)) {