File: catch-alignment-assumption-blacklist.c

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// RUN: %clang_cc1 -fsanitize=alignment -fsanitize-recover=alignment -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_alignment_assumption" --check-prefixes=CHECK

// CHECK-LABEL: @baseline
void *baseline(void *x) {
  // CHECK: call void @__ubsan_handle_alignment_assumption(
  return __builtin_assume_aligned(x, 1);
}

// CHECK-LABEL: blacklist_0
__attribute__((no_sanitize("undefined"))) void *blacklist_0(void *x) {
  return __builtin_assume_aligned(x, 1);
}

// CHECK-LABEL: blacklist_1
__attribute__((no_sanitize("alignment"))) void *blacklist_1(void *x) {
  return __builtin_assume_aligned(x, 1);
}

// CHECK-LABEL: dont_ignore_volatile_ptrs
void *dont_ignore_volatile_ptrs(void * volatile x) {
  // CHECK: call void @__ubsan_handle_alignment_assumption(
  return __builtin_assume_aligned(x, 1);
}

// CHECK-LABEL: ignore_volatiles
void *ignore_volatiles(volatile void * x) {
  return __builtin_assume_aligned(x, 1);
}