File: memtag-stack.c

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (20 lines) | stat: -rw-r--r-- 1,013 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// RUN: %clang     -target aarch64-unknown-linux -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-NO-SAFETY
// RUN: %clang -O1 -target aarch64-unknown-linux -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-SAFETY
// RUN: %clang -O2 -target aarch64-unknown-linux -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-SAFETY
// RUN: %clang -O3 -target aarch64-unknown-linux -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-SAFETY

// REQUIRES: aarch64-registered-target

int z;
__attribute__((noinline)) void use(int *p) { *p = z; }
int foo() {
  int x;
  use(&x);
  return x;
}

// CHECK-NO-SAFETY-NOT: allocas uses

// CHECK-SAFETY-LABEL: @foo
// CHECK-SAFETY-LABEL: allocas uses:
// CHECK-SAFETY-NEXT: [4]: [0,4)