-
Notifications
You must be signed in to change notification settings - Fork 10.7k
/
callback.ll
42 lines (34 loc) · 1.77 KB
/
callback.ll
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
; RUN: opt < %s -passes=dfsan -dfsan-event-callbacks=1 -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"
target triple = "x86_64-unknown-linux-gnu"
; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
define i8 @load8(ptr %p) {
; CHECK: call void @__dfsan_load_callback(i[[#SBITS]] zeroext %[[LABEL:.*]], ptr %p)
; CHECK: %a = load i8, ptr %p
; CHECK: store i[[#SBITS]] %[[LABEL]], ptr @__dfsan_retval_tls
%a = load i8, ptr %p
ret i8 %a
}
define void @store8(ptr %p, i8 %a) {
; CHECK: store i[[#SBITS]] %[[LABEL:.*]], ptr %{{.*}}
; CHECK: call void @__dfsan_store_callback(i[[#SBITS]] zeroext %[[LABEL]], ptr %p)
; CHECK: store i8 %a, ptr %p
store i8 %a, ptr %p
ret void
}
define i1 @cmp(i8 %a, i8 %b) {
; CHECK: call void @__dfsan_cmp_callback(i[[#SBITS]] zeroext %[[CMPLABEL:.*]])
; CHECK: %c = icmp ne i8 %a, %b
; CHECK: store i[[#SBITS]] %[[CMPLABEL]], ptr @__dfsan_retval_tls
%c = icmp ne i8 %a, %b
ret i1 %c
}
; CHECK: declare void @__dfsan_load_callback(i[[#SBITS]] zeroext, ptr)
; CHECK: declare void @__dfsan_store_callback(i[[#SBITS]] zeroext, ptr)
; CHECK: declare void @__dfsan_mem_transfer_callback(ptr, i64)
; CHECK: declare void @__dfsan_cmp_callback(i[[#SBITS]] zeroext)
; CHECK: declare void @__dfsan_conditional_callback(i[[#SBITS]] zeroext)
; CHECK: declare void @__dfsan_conditional_callback_origin(i[[#SBITS]] zeroext, i32)
; CHECK: declare void @__dfsan_reaches_function_callback(i[[#SBITS]] zeroext, ptr, i32, ptr)
; CHECK: declare void @__dfsan_reaches_function_callback_origin(i[[#SBITS]] zeroext, i32, ptr, i32, ptr)