1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
;; RUN: llc -mtriple=armv7-linux-gnueabi -O3 \
;; RUN: -mcpu=cortex-a8 -mattr=-neon -mattr=+vfp2 -arm-reserve-r9 \
;; RUN: -filetype=obj %s -o - | \
;; RUN: llvm-readobj -r | FileCheck -check-prefix=OBJ %s
;; FIXME: This file needs to be in .s form!
;; The args to llc are there to constrain the codegen only.
;;
;; Ensure no regression on ARM/gcc compatibility for
;; emitting explicit symbol relocs for nonexternal symbols
;; versus section symbol relocs (with offset) -
;;
;; Default llvm behavior is to emit as section symbol relocs nearly
;; everything that is not an undefined external. Unfortunately, this
;; diverges from what codesourcery ARM/gcc does!
;;
;; Tests that reloc to _MergedGlobals show up as explicit symbol reloc
target triple = "armv7-none-linux-gnueabi"
@var_tls = thread_local global i32 1
@var_tls_double = thread_local global double 1.000000e+00
@var_static = internal global i32 1
@var_static_double = internal global double 1.000000e+00
@var_global = global i32 1
@var_global_double = global double 1.000000e+00
declare i32 @mystrlen(i8* nocapture %s) nounwind
declare void @myhextochar(i32 %n, i8* nocapture %buffer)
declare void @__aeabi_read_tp() nounwind
declare void @__nacl_read_tp() nounwind
define i32 @main(i32 %argc, i8** nocapture %argv) nounwind {
entry:
switch i32 %argc, label %bb3 [
i32 555, label %bb
i32 6666, label %bb2
]
bb: ; preds = %entry
store volatile i32 11, i32* @var_tls, align 4
store volatile double 2.200000e+01, double* @var_tls_double, align 8
store volatile i32 33, i32* @var_static, align 4
store volatile double 4.400000e+01, double* @var_static_double, align 8
store volatile i32 55, i32* @var_global, align 4
store volatile double 6.600000e+01, double* @var_global_double, align 8
br label %bb3
bb2: ; preds = %entry
ret i32 add (i32 add (i32 add (i32 ptrtoint (i32* @var_tls to i32), i32 add (i32 ptrtoint (i32* @var_static to i32), i32 ptrtoint (i32* @var_global to i32))), i32 ptrtoint (double* @var_tls_double to i32)), i32 add (i32 ptrtoint (double* @var_static_double to i32), i32 ptrtoint (double* @var_global_double to i32)))
bb3: ; preds = %bb, %entry
tail call void @exit(i32 55) noreturn nounwind
unreachable
}
declare void @exit(i32) noreturn nounwind
; OBJ: Relocations [
; OBJ: Section {{.*}} .rel.text {
; OBJ: 0x{{[0-9,A-F]+}} R_ARM_MOVW_ABS_NC _MergedGlobals
; OBJ: }
; OBJ: ]
|
