File: nosanitize.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (39 lines) | stat: -rw-r--r-- 1,441 bytes parent folder | download | duplicates (5)
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
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; Test basic type sanitizer instrumentation.
;
; RUN: opt -passes='tysan' -S %s | FileCheck %s

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

;.
; CHECK: @llvm.used = appending global [1 x ptr] [ptr @tysan.module_ctor], section "llvm.metadata"
; CHECK: @llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @tysan.module_ctor, ptr null }]
;.
define i32 @test_load(ptr %a) sanitize_type {
; CHECK-LABEL: @test_load(
; CHECK-NEXT:  entry:
; CHECK-NEXT:    [[TMP1:%.*]] = load i32, ptr [[A:%.*]], align 4, !tbaa [[TBAA0:![0-9]+]], !nosanitize [[META4:![0-9]+]]
; CHECK-NEXT:    ret i32 [[TMP1]]
;
entry:
  %tmp1 = load i32, ptr %a, align 4, !tbaa !3, !nosanitize !{}
  ret i32 %tmp1
}

!0 = !{!"Simple C++ TBAA"}
!1 = !{!"omnipotent char", !0, i64 0}
!2 = !{!"int", !1, i64 0}
!3 = !{!2, !2, i64 0}
!4 = !{!"_ZTS1x", !2, i64 0, !2, i64 4}
!5 = !{!"_ZTS1v", !2, i64 8, !2, i64 12, !4, i64 16}
!6 = !{!5, !2, i64 12}
;.
; CHECK: attributes #[[ATTR0:[0-9]+]] = { sanitize_type }
; CHECK: attributes #[[ATTR1:[0-9]+]] = { nounwind }
;.
; CHECK: [[TBAA0]] = !{[[META1:![0-9]+]], [[META1]], i64 0}
; CHECK: [[META1]] = !{!"int", [[META2:![0-9]+]], i64 0}
; CHECK: [[META2]] = !{!"omnipotent char", [[META3:![0-9]+]], i64 0}
; CHECK: [[META3]] = !{!"Simple C++ TBAA"}
; CHECK: [[META4]] = !{}
;.