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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
; RUN: llc -mtriple armv7-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=ARM-PIC
; RUN: llc -mtriple armv7-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=ARM-NOPIC
; RUN: llc -mtriple armv7-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=ARM-NOPIC
; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=pic -o - %s | FileCheck %s -check-prefix=THUMB1-PIC
; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=static -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC
; RUN: llc -mtriple thumbv6-apple-ios -relocation-model=dynamic-no-pic -o - %s | FileCheck %s -check-prefix=THUMB1-NOPIC
@_ZTIi = external constant i8*
define i32 @main() #0 {
entry:
%exception = tail call i8* @__cxa_allocate_exception(i32 4) #1
%0 = bitcast i8* %exception to i32*
store i32 1, i32* %0, align 4
invoke void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) #2
to label %unreachable unwind label %lpad
lpad: ; preds = %entry
%1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*)
catch i8* null
%2 = extractvalue { i8*, i32 } %1, 0
%3 = tail call i8* @__cxa_begin_catch(i8* %2) #1
tail call void @__cxa_end_catch()
ret i32 0
unreachable: ; preds = %entry
unreachable
}
declare i8* @__cxa_allocate_exception(i32)
declare void @__cxa_throw(i8*, i8*, i8*)
declare i8* @__cxa_begin_catch(i8*)
declare void @__cxa_end_catch()
declare i32 @__gxx_personality_sj0(...)
attributes #0 = { ssp }
attributes #1 = { nounwind }
attributes #2 = { noreturn }
; ARM-PIC: cxa_throw
; ARM-PIC: trap
; ARM-PIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]
; ARM-PIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]]
; ARM-PIC: add pc, [[REG0]], [[REG1]]
; ARM-PIC: [[LJTI]]
; ARM-PIC: .data_region jt32
; ARM-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]]
; ARM-PIC: .end_data_region
; ARM-PIC: [[LABEL]]
; ARM-NOPIC: cxa_throw
; ARM-NOPIC: trap
; ARM-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]
; ARM-NOPIC: ldr [[REG0:r[0-9]+]], [r{{[0-9]+}}, [[REG1]]]
; ARM-NOPIC: mov pc, [[REG0]]
; ARM-NOPIC: [[LJTI]]
; ARM-NOPIC: .data_region jt32
; ARM-NOPIC: .long [[LABEL:LBB0_[0-9]]]
; ARM-NOPIC: .end_data_region
; ARM-NOPIC: [[LABEL]]
; THUMB1-PIC: cxa_throw
; THUMB1-PIC: trap
; THUMB1-PIC: adr [[REG0:r[0-9]+]], [[LJTI:.*]]
; THUMB1-PIC: adds [[REG1:r[0-9]+]], [[REG1]], [[REG0]]
; THUMB1-PIC: ldr [[REG1]]
; THUMB1-PIC: adds [[REG0]], [[REG1]], [[REG0]]
; THUMB1-PIC: mov pc, [[REG0]]
; THUMB1-PIC: [[LJTI]]
; THUMB1-PIC: .data_region jt32
; THUMB1-PIC: .long [[LABEL:LBB0_[0-9]]]-[[LJTI]]
; THUMB1-PIC: .end_data_region
; THUMB1-PIC: [[LABEL]]
; THUMB1-NOPIC: cxa_throw
; THUMB1-NOPIC: trap
; THUMB1-NOPIC: adr [[REG1:r[0-9]+]], [[LJTI:.*]]
; THUMB1-NOPIC: adds [[REG0:r[0-9]+]], [[REG0]], [[REG1]]
; THUMB1-NOPIC: ldr [[REG0]]
; THUMB1-NOPIC: mov pc, [[REG0]]
; THUMB1-NOPIC: [[LJTI]]
; THUMB1-NOPIC: .data_region jt32
; THUMB1-NOPIC: .long [[LABEL:LBB0_[0-9]]]+1
; THUMB1-NOPIC: .end_data_region
; THUMB1-NOPIC: [[LABEL]]
|
