File: sanitize-recover.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (28 lines) | stat: -rw-r--r-- 1,244 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
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow -fsanitize-recover=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=RECOVER
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=ABORT
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=null,object-size,alignment -fsanitize-recover=object-size %s -emit-llvm -o - | FileCheck %s --check-prefix=PARTIAL

// RECOVER: @test
// ABORT: @test
void test() {
  extern volatile unsigned x, y, z;

  // RECOVER: uadd.with.overflow.i32{{.*}}, !nosanitize
  // RECOVER: ubsan_handle_add_overflow({{.*}}, !nosanitize
  // RECOVER-NOT: unreachable
  // ABORT: uadd.with.overflow.i32{{.*}}, !nosanitize
  // ABORT: ubsan_handle_add_overflow_abort({{.*}}, !nosanitize
  // ABORT: unreachable{{.*}}, !nosanitize
  x = y + z;
}

void foo() {
  union { int i; } u;
  u.i=1;
  // PARTIAL:      %[[SIZE:.*]] = call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 false)
  // PARTIAL-NEXT: %[[CHECK0:.*]] = icmp uge i64 %[[SIZE]], 4

  // PARTIAL:      br i1 %[[CHECK0]], {{.*}} !nosanitize

  // PARTIAL:      call void @__ubsan_handle_type_mismatch_v1(
}