xref: /llvm-project/llvm/test/MC/ELF/rtti-proxy-arm-got-prel.ll (revision ac452204aade6abfa44324c3f1db4890a63eb941)
1; REQUIRES: arm-registered-target
2
3;; Verify that the generated assembly omits the RTTI proxy and uses the correct
4;; relocations and addends.
5; RUN: llc %s -mtriple=armv7 -o - | FileCheck %s
6
7;; Verify that the generated object uses the correct relocations and addends.
8; RUN: llc %s -filetype=obj -mtriple=thumbv7 -o %t.o
9; RUN: llvm-readelf --relocs --hex-dump=.rodata %t.o | FileCheck --check-prefix=OBJ %s
10
11@vtable = dso_local unnamed_addr constant i32 sub (i32 ptrtoint (ptr @rtti.proxy to i32), i32 ptrtoint (ptr @vtable to i32)), align 4
12
13@vtable_with_offset = dso_local unnamed_addr constant [2 x i32] [i32 0, i32 sub (i32 ptrtoint (ptr @rtti.proxy to i32), i32 ptrtoint (ptr @vtable_with_offset to i32))], align 4
14
15@vtable_with_negative_offset = dso_local unnamed_addr constant [2 x i32] [
16  i32 sub (
17    i32 ptrtoint (ptr @rtti.proxy to i32),
18    i32 ptrtoint (ptr getelementptr inbounds ([2 x i32], ptr @vtable_with_negative_offset, i32 0, i32 1) to i32)
19  ),
20  i32 0
21], align 4
22
23@rtti = external global i8, align 4
24@rtti.proxy = linkonce_odr hidden unnamed_addr constant ptr @rtti
25
26; CHECK-NOT: rtti.proxy
27
28; CHECK-LABEL: vtable:
29; CHECK-NEXT:    .long   rtti(GOT_PREL)+0{{$}}
30
31; CHECK-LABEL: vtable_with_offset:
32; CHECK-NEXT:    .long   0
33; CHECK-NEXT:    .long   rtti(GOT_PREL)+4{{$}}
34
35; CHECK-LABEL: vtable_with_negative_offset:
36; CHECK-NEXT:    .long   rtti(GOT_PREL)-4{{$}}
37; CHECK-NEXT:    .long   0
38
39; OBJ-LABEL: Relocation section '.rel.rodata' at offset [[#%#x,]] contains 3 entries:
40; OBJ:       {{^}}00000000 [[#]] R_ARM_GOT_PREL [[#]] rtti{{$}}
41; OBJ-NEXT:  {{^}}00000008 [[#]] R_ARM_GOT_PREL [[#]] rtti{{$}}
42; OBJ-NEXT:  {{^}}0000000c [[#]] R_ARM_GOT_PREL [[#]] rtti{{$}}
43
44; OBJ-LABEL: Hex dump of section '.rodata':
45; OBJ-NEXT:  0x00000000 00000000 00000000 04000000 fcffffff
46