-//===-- ARMFeatures.h - Checks for ARM instruction features ------*- C++ -*-===//
+//===-- ARMFeatures.h - Checks for ARM instruction features -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#ifndef TARGET_ARM_FEATURES_H
-#define TARGET_ARM_FEATURES_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMFEATURES_H
+#define LLVM_LIB_TARGET_ARM_ARMFEATURES_H
-#include "ARM.h"
+#include "MCTargetDesc/ARMMCTargetDesc.h"
namespace llvm {
+template<typename InstrType> // could be MachineInstr or MCInst
+bool IsCPSRDead(InstrType *Instr);
+
template<typename InstrType> // could be MachineInstr or MCInst
inline bool isV8EligibleForIT(InstrType *Instr) {
switch (Instr->getOpcode()) {
case ARM::tADC:
case ARM::tADDi3:
case ARM::tADDi8:
- case ARM::tADDrSPi:
case ARM::tADDrr:
case ARM::tAND:
case ARM::tASRri:
case ARM::tASRrr:
case ARM::tBIC:
- case ARM::tCMNz:
- case ARM::tCMPi8:
- case ARM::tCMPr:
case ARM::tEOR:
- case ARM::tLDRBi:
- case ARM::tLDRBr:
- case ARM::tLDRHi:
- case ARM::tLDRHr:
- case ARM::tLDRSB:
- case ARM::tLDRSH:
- case ARM::tLDRi:
- case ARM::tLDRr:
- case ARM::tLDRspi:
case ARM::tLSLri:
case ARM::tLSLrr:
case ARM::tLSRri:
case ARM::tROR:
case ARM::tRSB:
case ARM::tSBC:
+ case ARM::tSUBi3:
+ case ARM::tSUBi8:
+ case ARM::tSUBrr:
+ // Outside of an IT block, these set CPSR.
+ return IsCPSRDead(Instr);
+ case ARM::tADDrSPi:
+ case ARM::tCMNz:
+ case ARM::tCMPi8:
+ case ARM::tCMPr:
+ case ARM::tLDRBi:
+ case ARM::tLDRBr:
+ case ARM::tLDRHi:
+ case ARM::tLDRHr:
+ case ARM::tLDRSB:
+ case ARM::tLDRSH:
+ case ARM::tLDRi:
+ case ARM::tLDRr:
+ case ARM::tLDRspi:
case ARM::tSTRBi:
case ARM::tSTRBr:
case ARM::tSTRHi:
case ARM::tSTRi:
case ARM::tSTRr:
case ARM::tSTRspi:
- case ARM::tSUBi3:
- case ARM::tSUBi8:
- case ARM::tSUBrr:
case ARM::tTST:
return true;
// there are some "conditionally deprecated" opcodes