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-rw-r--r--lib/Target/ARM/ARMInstrInfo.cpp19
1 files changed, 18 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp
index 48da03f..b8f607e 100644
--- a/lib/Target/ARM/ARMInstrInfo.cpp
+++ b/lib/Target/ARM/ARMInstrInfo.cpp
@@ -1,4 +1,4 @@
-//===- ARMInstrInfo.cpp - ARM Instruction Information -----------*- C++ -*-===//
+//===-- ARMInstrInfo.cpp - ARM Instruction Information --------------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -21,12 +21,29 @@
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineJumpTableInfo.h"
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCInst.h"
using namespace llvm;
ARMInstrInfo::ARMInstrInfo(const ARMSubtarget &STI)
: ARMBaseInstrInfo(STI), RI(*this, STI) {
}
+/// getNoopForMachoTarget - Return the noop instruction to use for a noop.
+void ARMInstrInfo::getNoopForMachoTarget(MCInst &NopInst) const {
+ if (hasNOP()) {
+ NopInst.setOpcode(ARM::NOP);
+ NopInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+ NopInst.addOperand(MCOperand::CreateReg(0));
+ } else {
+ NopInst.setOpcode(ARM::MOVr);
+ NopInst.addOperand(MCOperand::CreateReg(ARM::R0));
+ NopInst.addOperand(MCOperand::CreateReg(ARM::R0));
+ NopInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+ NopInst.addOperand(MCOperand::CreateReg(0));
+ NopInst.addOperand(MCOperand::CreateReg(0));
+ }
+}
+
unsigned ARMInstrInfo::getUnindexedOpcode(unsigned Opc) const {
switch (Opc) {
default: break;
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