forked from OSchip/llvm-project
23 lines
706 B
C
23 lines
706 B
C
// 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* {{.*}})
|
|
}
|
|
}
|
|
|