UserRegionBegin dt=12 task=10 name_string=29 stack=58
GoCreate dt=36 new_g=35 new_stack=17 stack=59
GoCreate dt=11 new_g=36 new_stack=17 stack=59
GoCreate dt=18 new_g=37 new_stack=17 stack=59
GoCreate dt=10 new_g=38 new_stack=17 stack=59
GoCreate dt=6 new_g=39 new_stack=17 stack=59
GoCreate dt=8 new_g=40 new_stack=17 stack=59
UserRegionEnd dt=7 task=10 name_string=29 stack=60
GoBlock dt=9 reason_string=19 stack=61

		Name:         "ProcStatus",
		Args:         []string{"dt", "p", "pstatus"},
		IsTimedEvent: true,
	},
	EvGoCreate: event.Spec{
		Name:         "GoCreate",
		Args:         []string{"dt", "new_g", "new_stack", "stack"},
		IsTimedEvent: true,
		StackIDs:     []int{3, 2},
	},
	EvGoCreateSyscall: event.Spec{
		Name:         "GoCreateSyscall",
		Args:         []string{"dt", "new_g"},
		IsTimedEvent: true,
	},

	MOVD 8(SP), m_morebuf+gobuf_pc(R1)
	MOVD $16(SP), m_morebuf+gobuf_sp(R1) // f's caller's SP
	MOVD g, m_morebuf+gobuf_g(R1)

	// Call newstack on m->g0's stack.
	MOVD R2, g
	MOVD g_sched+gobuf_sp(R2), SP
	CALL runtime·newstack(SB)
	UNDEF // crash if newstack returns

// morestack but not preserving ctxt.
TEXT runtime·morestack_noctxt(SB),NOSPLIT,$0
	MOVD $0, CTXT
	JMP runtime·morestack(SB)

      OperationState new_state(candidate_op->getLoc(),
                               candidate_op->getName().getStringRef(), inputs,
                               output_types, candidate_op->getAttrs());
      for (int i = 0; i < candidate_op->getNumRegions(); ++i) {
        new_state.addRegion();
      }
      Operation* quantized_op = rewriter.create(new_state);
      if (candidate_op->getNumRegions() != 0) {

// compiler doesn't check this.
//
//go:nowritebarrierrec
func newstack() {
	thisg := getg()
	// TODO: double check all gp. shouldn't be getg().
	if thisg.m.morebuf.g.ptr().stackguard0 == stackFork {
		throw("stack growth after fork")
	}
	if thisg.m.morebuf.g.ptr() != thisg.m.curg {

  if (!first->hasOneUse() || !second->hasOneUse())
    return rewriter.notifyMatchFailure(concat, "slice ops are used elsewhere");

  SmallVector<int64_t> new_start;
  SmallVector<int64_t> new_limit;
  SmallVector<int64_t> new_slice_shape;
  new_start.reserve(first.getStrides().size());
  new_limit.reserve(first.getStrides().size());
  new_slice_shape.reserve(first.getStrides().size());

      OperationState new_state(quantizing_op->getLoc(),
                               quantizing_op->getName().getStringRef(), inputs,
                               output_types, quantizing_op->getAttrs());
      for (int i = 0; i < quantizing_op->getNumRegions(); ++i) {
        new_state.addRegion();
      }
      Operation* quantized_op = rewriter.create(new_state);
      if (quantizing_op->getNumRegions() != 0) {

	MOVV	g, (m_morebuf+gobuf_g)(R7)

	// Call newstack on m->g0's stack.
	MOVV	m_g0(R7), g
	JAL	runtime·save_g(SB)
	MOVV	(g_sched+gobuf_sp)(g), R3
	// Create a stack frame on g0 to call newstack.
	MOVV	R0, -8(R3)	// Zero saved LR in frame
	ADDV	$-8, R3
	JAL	runtime·newstack(SB)

	// Not reached, but make sure the return PC from the call to newstack
	// is still in this function, and not the beginning of the next.

	MOVW	g, (m_morebuf+gobuf_g)(R7)

	// Call newstack on m->g0's stack.
	MOVW	m_g0(R7), g
	JAL	runtime·save_g(SB)
	MOVW	(g_sched+gobuf_sp)(g), R29
	// Create a stack frame on g0 to call newstack.
	MOVW	R0, -4(R29)	// Zero saved LR in frame
	ADDU	$-4, R29
	JAL	runtime·newstack(SB)

	// Not reached, but make sure the return PC from the call to newstack
	// is still in this function, and not the beginning of the next.

	MOVV	g, (m_morebuf+gobuf_g)(R7)

	// Call newstack on m->g0's stack.
	MOVV	m_g0(R7), g
	JAL	runtime·save_g(SB)
	MOVV	(g_sched+gobuf_sp)(g), R29
	// Create a stack frame on g0 to call newstack.
	MOVV	R0, -8(R29)	// Zero saved LR in frame
	ADDV	$-8, R29
	JAL	runtime·newstack(SB)

	// Not reached, but make sure the return PC from the call to newstack
	// is still in this function, and not the beginning of the next.