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Remove caching of the subtarget for AArch64SelectionDAGInfo. 

llvm-svn: 210553
This commit is contained in:
Eric Christopher 2014-06-10 18:06:25 +00:00
parent 6f2a203f24
commit 57c2319bb3
2 changed files with 4 additions and 7 deletions
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7
llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.cpp
View File

@ -17,8 +17,7 @@ using namespace llvm;
#define DEBUG_TYPE "aarch64-selectiondag-info" #define DEBUG_TYPE "aarch64-selectiondag-info"
AArch64SelectionDAGInfo::AArch64SelectionDAGInfo(const TargetMachine &TM) AArch64SelectionDAGInfo::AArch64SelectionDAGInfo(const TargetMachine &TM)
: TargetSelectionDAGInfo(TM.getDataLayout()), : TargetSelectionDAGInfo(TM.getDataLayout()) {}
Subtarget(&TM.getSubtarget<AArch64Subtarget>()) {}
AArch64SelectionDAGInfo::~AArch64SelectionDAGInfo() {} AArch64SelectionDAGInfo::~AArch64SelectionDAGInfo() {}
@ -30,7 +29,9 @@ SDValue AArch64SelectionDAGInfo::EmitTargetCodeForMemset(
ConstantSDNode *V = dyn_cast<ConstantSDNode>(Src); ConstantSDNode *V = dyn_cast<ConstantSDNode>(Src);
ConstantSDNode *SizeValue = dyn_cast<ConstantSDNode>(Size); ConstantSDNode *SizeValue = dyn_cast<ConstantSDNode>(Size);
const char *bzeroEntry = 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 // For small size (< 256), it is not beneficial to use bzero
// instead of memset. // instead of memset.
if (bzeroEntry && (!SizeValue || SizeValue->getZExtValue() > 256)) { if (bzeroEntry && (!SizeValue || SizeValue->getZExtValue() > 256)) {

4
llvm/lib/Target/AArch64/AArch64SelectionDAGInfo.h
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@ -19,10 +19,6 @@
namespace llvm { namespace llvm {
class AArch64SelectionDAGInfo : public TargetSelectionDAGInfo { 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: public:
explicit AArch64SelectionDAGInfo(const TargetMachine &TM); explicit AArch64SelectionDAGInfo(const TargetMachine &TM);
~AArch64SelectionDAGInfo(); ~AArch64SelectionDAGInfo();