File: std-c-library-functions-restrict.c

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (24 lines) | stat: -rw-r--r-- 1,091 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
// RUN: %clang_analyze_cc1 %s \
// RUN:   -analyzer-checker=core \
// RUN:   -analyzer-checker=unix.StdCLibraryFunctions \
// RUN:   -analyzer-checker=debug.StdCLibraryFunctionsTester \
// RUN:   -analyzer-config unix.StdCLibraryFunctions:DisplayLoadedSummaries=true \
// RUN:   -triple i686-unknown-linux 2>&1 | FileCheck %s

// The signatures for these functions are the same and they specify their
// parameter with the restrict qualifier. In C, the signature should match only
// if the restrict qualifier is there on the parameter. Thus, the summary
// should be loaded for the last two declarations only.
void __test_restrict_param_0(void *p);
void __test_restrict_param_1(void *__restrict p);
void __test_restrict_param_2(void *restrict p);

// CHECK-NOT: Loaded summary for: void __test_restrict_param_0
//     CHECK: Loaded summary for: void __test_restrict_param_1(void *restrict p)
//     CHECK: Loaded summary for: void __test_restrict_param_2(void *restrict p)

// Must have at least one call expression to initialize the summary map.
int bar(void);
void foo(void) {
  bar();
}