1 // RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address,use-after-scope %s \ 2 // RUN: | FileCheck %s -check-prefix=USE-AFTER-SCOPE 3 // RUN: %clang_cc1 -S -emit-llvm -o - -fsanitize=address %s \ 4 // RUN: | FileCheck %s -check-prefix=ADDRESS-ONLY 5 6 extern int bar(char *A, int n); 7 8 // ADDRESS-ONLY-NOT: @llvm.lifetime.start 9 int foo (int n) { 10 if (n) { 11 // USE-AFTER-SCOPE: @llvm.lifetime.start(i64 10, i8* {{.*}}) 12 char A[10]; 13 return bar(A, 1); 14 // USE-AFTER-SCOPE: @llvm.lifetime.end(i64 10, i8* {{.*}}) 15 } else { 16 // USE-AFTER-SCOPE: @llvm.lifetime.start(i64 20, i8* {{.*}}) 17 char A[20]; 18 return bar(A, 2); 19 // USE-AFTER-SCOPE: @llvm.lifetime.end(i64 20, i8* {{.*}}) 20 } 21 } 22 23
