commit 8f8aa815b46143e2e84a62dadf6f57daf25a4e24
author Cameron Zwarich <zwarich@apple.com> Wed Oct 05 23:39:02 2011 +0000
committer Cameron Zwarich <zwarich@apple.com> Wed Oct 05 23:39:02 2011 +0000
tree cfb689e87c4b322cc4e4628042cf10ba60188e81
parent d78ebe1e12a9aae01cb11d4d10a3d0600407e5ca

Always merge profitable shifts on A9, not just when they have a single use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141248 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMISelDAGToDAG.cpp

diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 0626240..ce877b0 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -555,9 +555,7 @@
       if (ConstantSDNode *Sh =
           dyn_cast<ConstantSDNode>(N.getOperand(0).getOperand(1))) {
         ShAmt = Sh->getZExtValue();
-        if (!Subtarget->isCortexA9() ||
-            (N.hasOneUse() &&
-             isShifterOpProfitable(N.getOperand(0), ShOpcVal, ShAmt))) {
+        if (isShifterOpProfitable(N.getOperand(0), ShOpcVal, ShAmt)) {
           Offset = N.getOperand(0).getOperand(0);
           Base = N.getOperand(1);
         } else {
@@ -697,9 +695,7 @@
       if (ConstantSDNode *Sh =
           dyn_cast<ConstantSDNode>(N.getOperand(0).getOperand(1))) {
         ShAmt = Sh->getZExtValue();
-        if (!Subtarget->isCortexA9() ||
-            (N.hasOneUse() &&
-             isShifterOpProfitable(N.getOperand(0), ShOpcVal, ShAmt))) {
+        if (isShifterOpProfitable(N.getOperand(0), ShOpcVal, ShAmt)) {
           Offset = N.getOperand(0).getOperand(0);
           Base = N.getOperand(1);
         } else {