[llvm] r210553 - Remove caching of the subtarget for AArch64SelectionDAGInfo.

[Eric Christopher]

Author: echristo
Date: Tue Jun 10 13:06:25 2014
New Revision: 210553

URL: http://llvm.org/viewvc/llvm-project?rev=210553&view=rev
Log:
Remove caching of the subtarget for AArch64SelectionDAGInfo.

Modified:
    llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
    llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.h

Modified: llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp?rev=210553&r1=210552&r2=210553&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp Tue Jun 10 13:06:25 2014
@@ -17,8 +17,7 @@ using namespace llvm;
 #define DEBUG_TYPE "aarch64-selectiondag-info"
 
 AArch64SelectionDAGInfo::AArch64SelectionDAGInfo(const TargetMachine &TM)
-    : TargetSelectionDAGInfo(TM.getDataLayout()),
-      Subtarget(&TM.getSubtarget<AArch64Subtarget>()) {}
+    : TargetSelectionDAGInfo(TM.getDataLayout()) {}
 
 AArch64SelectionDAGInfo::~AArch64SelectionDAGInfo() {}
 
@@ -30,7 +29,9 @@ SDValue AArch64SelectionDAGInfo::EmitTar
   ConstantSDNode *V = dyn_cast<ConstantSDNode>(Src);
   ConstantSDNode *SizeValue = dyn_cast<ConstantSDNode>(Size);
   const char *bzeroEntry =
-      (V && V->isNullValue()) ? Subtarget->getBZeroEntry() : nullptr;
+      (V && V->isNullValue())
+          ? DAG.getTarget().getSubtarget<AArch64Subtarget>().getBZeroEntry()
+          : nullptr;
   // For small size (< 256), it is not beneficial to use bzero
   // instead of memset.
   if (bzeroEntry && (!SizeValue || SizeValue->getZExtValue() > 256)) {

Modified: llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.h?rev=210553&r1=210552&r2=210553&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.h (original)
+++ llvm/trunk/lib/Target/AArch64/AArch64SelectionDAGInfo.h Tue Jun 10 13:06:25 2014
@@ -19,10 +19,6 @@
 namespace llvm {
 
 class AArch64SelectionDAGInfo : public TargetSelectionDAGInfo {
-  /// Subtarget - Keep a pointer to the ARMSubtarget around so that we can
-  /// make the right decision when generating code for different targets.
-  const AArch64Subtarget *Subtarget;
-
 public:
   explicit AArch64SelectionDAGInfo(const TargetMachine &TM);
   ~AArch64SelectionDAGInfo();