File: str-nobuiltin.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (33 lines) | stat: -rw-r--r-- 1,357 bytes parent folder | download | duplicates (15)
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
; Test marking string functions as nobuiltin in thread sanitizer.
;
; RUN: opt < %s -tsan -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"
target triple = "x86_64-unknown-linux-gnu"

declare i8* @memchr(i8* %a, i32 %b, i64 %c) nounwind
declare i32 @memcmp(i8* %a, i8* %b, i64 %c) nounwind
declare i32 @strcmp(i8* %a, i8* %b) nounwind
declare i8* @strcpy(i8* %a, i8* %b) nounwind
declare i8* @stpcpy(i8* %a, i8* %b) nounwind
declare i64 @strlen(i8* %a) nounwind
declare i64 @strnlen(i8* %a, i64 %b) nounwind

; CHECK: call{{.*}}@memchr{{.*}} #[[ATTR:[0-9]+]]
; CHECK: call{{.*}}@memcmp{{.*}} #[[ATTR]]
; CHECK: call{{.*}}@strcmp{{.*}} #[[ATTR]]
; CHECK: call{{.*}}@strcpy{{.*}} #[[ATTR]]
; CHECK: call{{.*}}@stpcpy{{.*}} #[[ATTR]]
; CHECK: call{{.*}}@strlen{{.*}} #[[ATTR]]
; CHECK: call{{.*}}@strnlen{{.*}} #[[ATTR]]
; attributes #[[ATTR]] = { nobuiltin }

define void @f1(i8* %a, i8* %b) nounwind uwtable sanitize_thread {
  tail call i8* @memchr(i8* %a, i32 1, i64 12)
  tail call i32 @memcmp(i8* %a, i8* %b, i64 12)
  tail call i32 @strcmp(i8* %a, i8* %b)
  tail call i8* @strcpy(i8* %a, i8* %b)
  tail call i8* @stpcpy(i8* %a, i8* %b)
  tail call i64 @strlen(i8* %a)
  tail call i64 @strnlen(i8* %a, i64 12)
  ret void
}