clang/test/Driver/memtag-stack.c

   1 // RUN: %clang     --target=aarch64 -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-NO-SAFETY
   2 // RUN: %clang -O1 --target=aarch64 -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-SAFETY
   3 // RUN: %clang -O2 --target=aarch64 -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-SAFETY
   4 // RUN: %clang -O3 --target=aarch64 -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print=1 %s -S -o - 2>&1 | FileCheck %s --check-prefix=CHECK-SAFETY
   5
   6 // REQUIRES: aarch64-registered-target
   7
   8 int z;
   9 __attribute__((noinline)) void use(int *p) { *p = z; }
  10 int foo() {
  11   int x;
  12   use(&x);
  13   return x;
  14 }
  15
  16 // CHECK-NO-SAFETY-NOT: allocas uses
  17
  18 // CHECK-SAFETY-LABEL: @foo
  19 // CHECK-SAFETY-LABEL: allocas uses:
  20 // CHECK-SAFETY-NEXT: [4]: [0,4)