commit 842f99a6ee02775e345c00ae985cd81e6da1f9df
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 6da31dfe4dff1361407709e38f5be4d3fb9285fa
parent 87aa18378e6aa5d7be4679cdfb17fdfdb29e29b9

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

llvm-svn: 141248

llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp

diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 0626240..ce877b0 100644
--- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/llvm/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 {