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Reuse a bunch of cached subtargets and remove getSubtarget calls

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without a Function argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227814 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2015-02-02 17:38:43 +00:00
parent aa6be3f734
commit 8115b6b867
11 changed files with 147 additions and 199 deletions
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10
lib/Target/X86/X86ISelDAGToDAG.cpp
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@@ -156,9 +156,7 @@ namespace {
public:
explicit X86DAGToDAGISel(X86TargetMachine &tm, CodeGenOpt::Level OptLevel)
: SelectionDAGISel(tm, OptLevel),
Subtarget(&tm.getSubtarget<X86Subtarget>()),
OptForSize(false) {}
: SelectionDAGISel(tm, OptLevel), OptForSize(false) {}
const char *getPassName() const override {
return "X86 DAG->DAG Instruction Selection";
@@ -166,7 +164,7 @@ namespace {
bool runOnMachineFunction(MachineFunction &MF) override {
// Reset the subtarget each time through.
Subtarget = &TM.getSubtarget<X86Subtarget>();
Subtarget = &MF.getSubtarget<X86Subtarget>();
SelectionDAGISel::runOnMachineFunction(MF);
return true;
}
@@ -298,7 +296,7 @@ namespace {
/// getInstrInfo - Return a reference to the TargetInstrInfo, casted
/// to the target-specific type.
const X86InstrInfo *getInstrInfo() const {
return getTargetMachine().getSubtargetImpl()->getInstrInfo();
return Subtarget->getInstrInfo();
}
/// \brief Address-mode matching performs shift-of-and to and-of-shift
@@ -573,7 +571,7 @@ void X86DAGToDAGISel::PreprocessISelDAG() {
/// the main function.
void X86DAGToDAGISel::EmitSpecialCodeForMain(MachineBasicBlock *BB,
MachineFrameInfo *MFI) {
const TargetInstrInfo *TII = TM.getSubtargetImpl()->getInstrInfo();
const TargetInstrInfo *TII = getInstrInfo();
if (Subtarget->isTargetCygMing()) {
unsigned CallOp =
Subtarget->is64Bit() ? X86::CALL64pcrel32 : X86::CALLpcrel32;