diff options
Diffstat (limited to 'test/CodeGen/sanitize-use-after-scope.c')
| -rw-r--r-- | test/CodeGen/sanitize-use-after-scope.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/sanitize-use-after-scope.c b/test/CodeGen/sanitize-use-after-scope.c new file mode 100644 index 0000000..8f92038 --- /dev/null +++ b/test/CodeGen/sanitize-use-after-scope.c @@ -0,0 +1,22 @@ +// RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address,use-after-scope %s \ +// RUN: | FileCheck %s -check-prefix=USE-AFTER-SCOPE +// RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address %s \ +// RUN: | FileCheck %s -check-prefix=ADDRESS-ONLY + +extern int bar(char *A, int n); + +// ADDRESS-ONLY-NOT: @llvm.lifetime.start +int foo (int n) { + if (n) { + // USE-AFTER-SCOPE: @llvm.lifetime.start(i64 10, i8* {{.*}}) + char A[10]; + return bar(A, 1); + // USE-AFTER-SCOPE: @llvm.lifetime.end(i64 10, i8* {{.*}}) + } else { + // USE-AFTER-SCOPE: @llvm.lifetime.start(i64 20, i8* {{.*}}) + char A[20]; + return bar(A, 2); + // USE-AFTER-SCOPE: @llvm.lifetime.end(i64 20, i8* {{.*}}) + } +} + |
