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
|
; RUN: opt -mtriple=x86_64-unknown-linux-gnu < %s -dfsan -S --dfsan-abilist=%S/Inputs/shadow-args-abilist.txt | FileCheck %s
; REQUIRES: x86-registered-target
; Test that the custom abi marks shadow parameters as zero extended.
; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
define i32 @m() {
; CHECK-LABEL: @m.dfsan
; CHECK: %{{.*}} = call zeroext i16 @__dfsw_dfsan_get_label(i64 signext 56, i[[#SBITS]] zeroext 0, ptr %{{.*}})
entry:
%call = call zeroext i16 @dfsan_get_label(i64 signext 56)
%conv = zext i16 %call to i32
ret i32 %conv
}
define i32 @k() {
; CHECK-LABEL: @k.dfsan
; CHECK: %{{.*}} = call zeroext i16 @__dfsw_k2(i64 signext 56, i64 signext 67, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, ptr %{{.*}})
entry:
%call = call zeroext i16 @k2(i64 signext 56, i64 signext 67)
%conv = zext i16 %call to i32
ret i32 %conv
}
define i32 @k3() {
; CHECK-LABEL: @k3.dfsan
; CHECK: %{{.*}} = call zeroext i16 @__dfsw_k4(i64 signext 56, i64 signext 67, i64 signext 78, i64 signext 89, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, i[[#SBITS]] zeroext {{.*}}, ptr %{{.*}})
entry:
%call = call zeroext i16 @k4(i64 signext 56, i64 signext 67, i64 signext 78, i64 signext 89)
%conv = zext i16 %call to i32
ret i32 %conv
}
declare zeroext i16 @dfsan_get_label(i64 signext)
; CHECK-LABEL: @"dfsw$dfsan_get_label"
; CHECK: %{{.*}} = call i16 @__dfsw_dfsan_get_label(i64 %0, i[[#SBITS]] zeroext %1, ptr %{{.*}})
declare zeroext i16 @k2(i64 signext, i64 signext)
; CHECK-LABEL: @"dfsw$k2"
; CHECK: %{{.*}} = call i16 @__dfsw_k2(i64 %{{.*}}, i64 %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, ptr %{{.*}})
declare zeroext i16 @k4(i64 signext, i64 signext, i64 signext, i64 signext)
; CHECK-LABEL: @"dfsw$k4"
; CHECK: %{{.*}} = call i16 @__dfsw_k4(i64 %{{.*}}, i64 %{{.*}}, i64 %{{.*}}, i64 %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, i[[#SBITS]] zeroext %{{.*}}, ptr %{{.*}})
; CHECK: declare zeroext i16 @__dfsw_dfsan_get_label(i64 signext, i[[#SBITS]], ptr)
; CHECK: declare zeroext i16 @__dfsw_k2(i64 signext, i64 signext, i[[#SBITS]], i[[#SBITS]], ptr)
; CHECK: declare zeroext i16 @__dfsw_k4(i64 signext, i64 signext, i64 signext, i64 signext, i[[#SBITS]], i[[#SBITS]], i[[#SBITS]], i[[#SBITS]], ptr)
|
