llvm/test/CodeGen/AVR/addrspacecast.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=avr | FileCheck %s

@global = external global i8
@progmem = external addrspace(1) global i8

declare void @func() addrspace(1)
declare void @doCallback(ptr) addrspace(1)

define ptr @casttodata(ptr addrspace(1) %funcptr) addrspace(1) {
; CHECK-LABEL: casttodata:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    ret
  %result = addrspacecast ptr addrspace(1) %funcptr to ptr
  ret ptr %result
}

define ptr addrspace(1) @casttofuncptr(ptr %data) addrspace(1) {
; CHECK-LABEL: casttofuncptr:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    ret
  %result = addrspacecast ptr %data to ptr addrspace(1)
  ret ptr addrspace(1) %result
}

define ptr addrspace(1) @castglobal() addrspace(1) {
; CHECK-LABEL: castglobal:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    ldi r24, lo8(global)
; CHECK-NEXT:    ldi r25, hi8(global)
; CHECK-NEXT:    ret
  %result = addrspacecast ptr @global to ptr addrspace(1)
  ret ptr addrspace(1) %result
}

define ptr @castprogmem() addrspace(1) {
; CHECK-LABEL: castprogmem:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    ldi r24, lo8(progmem)
; CHECK-NEXT:    ldi r25, hi8(progmem)
; CHECK-NEXT:    ret
  %result = addrspacecast ptr addrspace(1) @progmem to ptr
  ret ptr %result
}

define ptr @castfunc() addrspace(1) {
; CHECK-LABEL: castfunc:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    ldi r24, pm_lo8(func)
; CHECK-NEXT:    ldi r25, pm_hi8(func)
; CHECK-NEXT:    ret
  %result = addrspacecast ptr addrspace(1) @func to ptr
  ret ptr %result
}

define void @callCallback() addrspace(1) {
; CHECK-LABEL: callCallback:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    ldi r24, pm_lo8(func)
; CHECK-NEXT:    ldi r25, pm_hi8(func)
; CHECK-NEXT:    rcall doCallback
; CHECK-NEXT:    ret
  call addrspace(1) void @doCallback(ptr addrspacecast (ptr addrspace(1) @func to ptr))
  ret void
}