Files
clang-p2996/compiler-rt/test/dfsan/vararg.c
Andrew Browne 61ec2148c5 [DFSan] Remove -dfsan-args-abi support in favor of TLS.
ArgsABI was originally added in https://reviews.llvm.org/D965

Current benchmarking does not show a significant difference.
There is no need to maintain both ABIs.

Reviewed By: pcc

Differential Revision: https://reviews.llvm.org/D111097
2021-10-08 11:18:36 -07:00

24 lines
453 B
C

// RUN: %clang_dfsan %s -o %t
// RUN: not %run %t 2>&1 | FileCheck %s
// RUN: %run %t foo
//
// REQUIRES: x86_64-target-arch
#include <stdio.h>
int do_nothing(const char *format, ...) {
return 0;
}
int main(int argc, char **argv) {
int (*fp)(const char *, ...);
if (argc > 1)
fp = do_nothing;
else
fp = printf;
// CHECK: FATAL: DataFlowSanitizer: unsupported indirect call to vararg function printf
fp("hello %s\n", "world");
}