xref: /llvm-project/llvm/test/CodeGen/AVR/addrspacecast.ll (revision 8202a3da3c897fc663f55ae5c638ae56f11543c1)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=avr | FileCheck %s
3
4@global = external global i8
5@progmem = external addrspace(1) global i8
6
7declare void @func() addrspace(1)
8declare void @doCallback(ptr) addrspace(1)
9
10define ptr @casttodata(ptr addrspace(1) %funcptr) addrspace(1) {
11; CHECK-LABEL: casttodata:
12; CHECK:       ; %bb.0:
13; CHECK-NEXT:    ret
14  %result = addrspacecast ptr addrspace(1) %funcptr to ptr
15  ret ptr %result
16}
17
18define ptr addrspace(1) @casttofuncptr(ptr %data) addrspace(1) {
19; CHECK-LABEL: casttofuncptr:
20; CHECK:       ; %bb.0:
21; CHECK-NEXT:    ret
22  %result = addrspacecast ptr %data to ptr addrspace(1)
23  ret ptr addrspace(1) %result
24}
25
26define ptr addrspace(1) @castglobal() addrspace(1) {
27; CHECK-LABEL: castglobal:
28; CHECK:       ; %bb.0:
29; CHECK-NEXT:    ldi r24, lo8(global)
30; CHECK-NEXT:    ldi r25, hi8(global)
31; CHECK-NEXT:    ret
32  %result = addrspacecast ptr @global to ptr addrspace(1)
33  ret ptr addrspace(1) %result
34}
35
36define ptr @castprogmem() addrspace(1) {
37; CHECK-LABEL: castprogmem:
38; CHECK:       ; %bb.0:
39; CHECK-NEXT:    ldi r24, lo8(progmem)
40; CHECK-NEXT:    ldi r25, hi8(progmem)
41; CHECK-NEXT:    ret
42  %result = addrspacecast ptr addrspace(1) @progmem to ptr
43  ret ptr %result
44}
45
46define ptr @castfunc() addrspace(1) {
47; CHECK-LABEL: castfunc:
48; CHECK:       ; %bb.0:
49; CHECK-NEXT:    ldi r24, pm_lo8(func)
50; CHECK-NEXT:    ldi r25, pm_hi8(func)
51; CHECK-NEXT:    ret
52  %result = addrspacecast ptr addrspace(1) @func to ptr
53  ret ptr %result
54}
55
56define void @callCallback() addrspace(1) {
57; CHECK-LABEL: callCallback:
58; CHECK:       ; %bb.0:
59; CHECK-NEXT:    ldi r24, pm_lo8(func)
60; CHECK-NEXT:    ldi r25, pm_hi8(func)
61; CHECK-NEXT:    rcall doCallback
62; CHECK-NEXT:    ret
63  call addrspace(1) void @doCallback(ptr addrspacecast (ptr addrspace(1) @func to ptr))
64  ret void
65}
66