clang/test/CodeGen/bpf-stack-protector.c

   1 // REQUIRES: bpf-registered-target
   2
   3 // RUN: %clang -target bpf -S -emit-llvm -o - %s -fno-stack-protector 2>&1 \
   4 // RUN:        | FileCheck -check-prefix=OFF -check-prefix=COMMON %s
   5
   6 // RUN: %clang -target bpf -S -emit-llvm -o - %s -fstack-protector 2>&1 \
   7 // RUN:        | FileCheck -check-prefix=ON -check-prefix=COMMON -check-prefix=WARNING %s
   8
   9 // RUN: %clang -target bpf -S -emit-llvm -o - %s -fstack-protector-all 2>&1 \
  10 // RUN:        | FileCheck -check-prefix=ALL -check-prefix=COMMON -check-prefix=WARNING %s
  11
  12 // RUN: %clang -target bpf -S -emit-llvm -o - %s -fstack-protector-strong 2>&1 \
  13 // RUN:        | FileCheck -check-prefix=STRONG -check-prefix=COMMON -check-prefix=WARNING %s
  14
  15 typedef __SIZE_TYPE__ size_t;
  16
  17 int printf(const char * _Format, ...);
  18 size_t strlen(const char *s);
  19 char *strcpy(char *s1, const char *s2);
  20
  21 //     OFF-NOT: warning
  22 //          ON: warning: ignoring '-fstack-protector'
  23 //         ALL: warning: ignoring '-fstack-protector-all'
  24 //      STRONG: warning: ignoring '-fstack-protector-strong'
  25 // WARNING-SAME: option as it is not currently supported for target 'bpf'
  26
  27 // COMMON: define {{.*}}void @test1(ptr noundef %{{[0-9a-z]+}}) #[[A:.*]] {
  28 void test1(const char *msg) {
  29   char a[strlen(msg) + 1];
  30   strcpy(a, msg);
  31   printf("%s\n", a);
  32 }
  33
  34 // COMMON-NOT: attributes #[[A]] = {{.*}} ssp