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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -passes=nsan -nsan-shadow-type-mapping=dqq -S %s | FileCheck %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
; Tests for invoke instructions that require special handling of the phis.
declare float @may_throw()
declare void @personalityFn()
define float @invoke1() sanitize_numerical_stability personality void ()* @personalityFn {
; CHECK-LABEL: @invoke1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = invoke float @may_throw()
; CHECK-NEXT: to label [[TMP0:%.*]] unwind label [[LAND:%.*]]
; CHECK: 0:
; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr @__nsan_shadow_ret_tag, align 8
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], ptrtoint (ptr @may_throw to i64)
; CHECK-NEXT: [[TMP3:%.*]] = load double, ptr @__nsan_shadow_ret_ptr, align 8
; CHECK-NEXT: [[TMP4:%.*]] = fpext float [[C]] to double
; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[TMP2]], double [[TMP3]], double [[TMP4]]
; CHECK-NEXT: br label [[CONTINUE:%.*]]
; CHECK: continue:
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: land:
; CHECK-NEXT: [[RES:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: cleanup
; CHECK-NEXT: [[LV:%.*]] = uitofp i32 1 to float
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[R:%.*]] = phi float [ [[LV]], [[LAND]] ], [ [[C]], [[CONTINUE]] ]
; CHECK-NEXT: [[TMP6:%.*]] = phi double [ 1.000000e+00, [[LAND]] ], [ [[TMP5]], [[CONTINUE]] ]
; CHECK-NEXT: [[TMP7:%.*]] = call i32 @__nsan_internal_check_float_d(float [[R]], double [[TMP6]], i32 1, i64 0)
; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[TMP7]], 1
; CHECK-NEXT: [[TMP9:%.*]] = fpext float [[R]] to double
; CHECK-NEXT: [[TMP10:%.*]] = select i1 [[TMP8]], double [[TMP9]], double [[TMP6]]
; CHECK-NEXT: store i64 ptrtoint (ptr @invoke1 to i64), ptr @__nsan_shadow_ret_tag, align 8
; CHECK-NEXT: store double [[TMP10]], ptr @__nsan_shadow_ret_ptr, align 8
; CHECK-NEXT: ret float [[R]]
;
entry:
%c = invoke float @may_throw() to label %continue unwind label %land
continue:
br label %exit
land:
%res = landingpad { ptr, i32 } cleanup
%lv = uitofp i32 1 to float
br label %exit
exit:
%r = phi float [ %lv, %land], [ %c, %continue ]
ret float %r
}
define float @invoke2() sanitize_numerical_stability personality void ()* @personalityFn {
; CHECK-LABEL: @invoke2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = invoke float @may_throw()
; CHECK-NEXT: to label [[TMP0:%.*]] unwind label [[LAND:%.*]]
; CHECK: 0:
; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr @__nsan_shadow_ret_tag, align 8
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], ptrtoint (ptr @may_throw to i64)
; CHECK-NEXT: [[TMP3:%.*]] = load double, ptr @__nsan_shadow_ret_ptr, align 8
; CHECK-NEXT: [[TMP4:%.*]] = fpext float [[C]] to double
; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[TMP2]], double [[TMP3]], double [[TMP4]]
; CHECK-NEXT: br label [[CONTINUE:%.*]]
; CHECK: continue:
; CHECK-NEXT: [[CV:%.*]] = fadd float [[C]], 2.000000e+00
; CHECK-NEXT: [[TMP6:%.*]] = fadd double [[TMP5]], 2.000000e+00
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: land:
; CHECK-NEXT: [[RES:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: cleanup
; CHECK-NEXT: [[LV:%.*]] = uitofp i32 1 to float
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[R:%.*]] = phi float [ [[LV]], [[LAND]] ], [ [[CV]], [[CONTINUE]] ]
; CHECK-NEXT: [[TMP7:%.*]] = phi double [ 1.000000e+00, [[LAND]] ], [ [[TMP6]], [[CONTINUE]] ]
; CHECK-NEXT: [[TMP8:%.*]] = call i32 @__nsan_internal_check_float_d(float [[R]], double [[TMP7]], i32 1, i64 0)
; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP8]], 1
; CHECK-NEXT: [[TMP10:%.*]] = fpext float [[R]] to double
; CHECK-NEXT: [[TMP11:%.*]] = select i1 [[TMP9]], double [[TMP10]], double [[TMP7]]
; CHECK-NEXT: store i64 ptrtoint (ptr @invoke2 to i64), ptr @__nsan_shadow_ret_tag, align 8
; CHECK-NEXT: store double [[TMP11]], ptr @__nsan_shadow_ret_ptr, align 8
; CHECK-NEXT: ret float [[R]]
;
entry:
%c = invoke float @may_throw() to label %continue unwind label %land
continue:
%cv = fadd float %c, 2.0
br label %exit
land:
%res = landingpad { ptr, i32 } cleanup
%lv = uitofp i32 1 to float
br label %exit
exit:
%r = phi float [ %lv, %land], [ %cv, %continue ]
ret float %r
}
define float @invoke3() sanitize_numerical_stability personality void ()* @personalityFn {
; CHECK-LABEL: @invoke3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[C:%.*]] = invoke float @may_throw()
; CHECK-NEXT: to label [[TMP0:%.*]] unwind label [[LAND:%.*]]
; CHECK: land:
; CHECK-NEXT: [[RES:%.*]] = landingpad { ptr, i32 }
; CHECK-NEXT: cleanup
; CHECK-NEXT: [[LV:%.*]] = uitofp i32 1 to float
; CHECK-NEXT: br label [[EXIT:%.*]]
; CHECK: 0:
; CHECK-NEXT: [[TMP1:%.*]] = load i64, ptr @__nsan_shadow_ret_tag, align 8
; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], ptrtoint (ptr @may_throw to i64)
; CHECK-NEXT: [[TMP3:%.*]] = load double, ptr @__nsan_shadow_ret_ptr, align 8
; CHECK-NEXT: [[TMP4:%.*]] = fpext float [[C]] to double
; CHECK-NEXT: [[TMP5:%.*]] = select i1 [[TMP2]], double [[TMP3]], double [[TMP4]]
; CHECK-NEXT: br label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: [[R:%.*]] = phi float [ [[LV]], [[LAND]] ], [ [[C]], [[TMP0]] ]
; CHECK-NEXT: [[TMP6:%.*]] = phi double [ 1.000000e+00, [[LAND]] ], [ [[TMP5]], [[TMP0]] ]
; CHECK-NEXT: [[TMP7:%.*]] = call i32 @__nsan_internal_check_float_d(float [[R]], double [[TMP6]], i32 1, i64 0)
; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[TMP7]], 1
; CHECK-NEXT: [[TMP9:%.*]] = fpext float [[R]] to double
; CHECK-NEXT: [[TMP10:%.*]] = select i1 [[TMP8]], double [[TMP9]], double [[TMP6]]
; CHECK-NEXT: store i64 ptrtoint (ptr @invoke3 to i64), ptr @__nsan_shadow_ret_tag, align 8
; CHECK-NEXT: store double [[TMP10]], ptr @__nsan_shadow_ret_ptr, align 8
; CHECK-NEXT: ret float [[R]]
;
entry:
%c = invoke float @may_throw() to label %exit unwind label %land
land:
%res = landingpad { ptr, i32 } cleanup
%lv = uitofp i32 1 to float
br label %exit
exit:
%r = phi float [ %lv, %land], [ %c, %entry ]
ret float %r
}
|
