[llvm-commits] [llvm] r57886 - in /llvm/trunk/lib/Target/PowerPC: PPCISelLowering.cpp PPCISelLowering.h

[Dan Gohman]

Author: djg
Date: Mon Oct 20 22:41:46 2008
New Revision: 57886

URL: http://llvm.org/viewvc/llvm-project?rev=57886&view=rev
Log:
Disable constant-offset folding for PowerPC, as the PowerPC target
isn't yet prepared for it.

Modified:
    llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
    llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h

Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=57886&r1=57885&r2=57886&view=diff

==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Mon Oct 20 22:41:46 2008
@@ -4912,3 +4912,9 @@
     return DAG.getCopyFromReg(DAG.getEntryNode(), is31 ? PPC::R31 : PPC::R1,
       MVT::i32);
 }
+
+bool
+PPCTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const {
+  // The PowerPC target isn't yet aware of offsets.
+  return false;
+}

Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h?rev=57886&r1=57885&r2=57886&view=diff

==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.h Mon Oct 20 22:41:46 2008
@@ -329,6 +329,8 @@
                                                    SDValue Ret,
                                                    SelectionDAG &DAG) const;
 
+    virtual bool isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const;
+
   private:
     SDValue getFramePointerFrameIndex(SelectionDAG & DAG) const;
     SDValue getReturnAddrFrameIndex(SelectionDAG & DAG) const;