//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "x86-vzeroupper"
#include "X86.h"
#include "X86InstrInfo.h"
#include "X86Subtarget.h"
#include "llvm/Target/TargetInstrInfo.h"
using namespace llvm;
+#define DEBUG_TYPE "x86-vzeroupper"
+
STATISTIC(NumVZU, "Number of vzeroupper instructions inserted");
namespace {
/// runOnMachineFunction - Loop over all of the basic blocks, inserting
/// vzero upper instructions before function calls.
bool VZeroUpperInserter::runOnMachineFunction(MachineFunction &MF) {
- if (MF.getTarget().getSubtarget<X86Subtarget>().hasAVX512())
+ const X86Subtarget &ST = MF.getTarget().getSubtarget<X86Subtarget>();
+ if (!ST.hasAVX() || ST.hasAVX512())
return false;
- TII = MF.getTarget().getInstrInfo();
+ TII = MF.getSubtarget().getInstrInfo();
MachineRegisterInfo &MRI = MF.getRegInfo();
EverMadeChange = false;