// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefix=CHECK-O0
// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -O0 \
// RUN: -fsanitize=address -fsanitize-address-use-after-scope %s | \
-// RUN: FileCheck %s -check-prefix=CHECK-ASAN-USE-AFTER-SCOPE
+// RUN: FileCheck %s -check-prefix=LIFETIME
extern int bar(char *A, int n);
// CHECK-O0-NOT: @llvm.lifetime.start
int foo(int n) {
if (n) {
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.start.p0i8(i64 10, i8* {{.*}})
+ // LIFETIME: @llvm.lifetime.start.p0i8(i64 10, i8* {{.*}})
char A[10];
return bar(A, 1);
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.end.p0i8(i64 10, i8* {{.*}})
+ // LIFETIME: @llvm.lifetime.end.p0i8(i64 10, i8* {{.*}})
} else {
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.start.p0i8(i64 20, i8* {{.*}})
+ // LIFETIME: @llvm.lifetime.start.p0i8(i64 20, i8* {{.*}})
char A[20];
return bar(A, 2);
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.end.p0i8(i64 20, i8* {{.*}})
+ // LIFETIME: @llvm.lifetime.end.p0i8(i64 20, i8* {{.*}})
}
}
+++ /dev/null
-// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 %s | FileCheck %s -check-prefixes=CHECK,CHECK-O0 --implicit-check-not=llvm.lifetime
-// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
-// RUN: -fsanitize=address -fsanitize-address-use-after-scope %s | \
-// RUN: FileCheck %s -check-prefixes=CHECK,CHECK-ASAN-USE-AFTER-SCOPE
-
-extern int bar(char *A, int n);
-
-struct X { X(); ~X(); int *p; };
-struct Y { Y(); int *p; };
-
-extern "C" void a(), b(), c(), d();
-
-// CHECK-LABEL: @_Z3foo
-void foo(int n) {
- // CHECK: call void @a()
- a();
-
- // CHECK: call void @b()
- // CHECK-ASAN-USE-AFTER-SCOPE: store i1 false
- // CHECK-ASAN-USE-AFTER-SCOPE: store i1 false
- // CHECK: br i1
- //
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.start
- // CHECK-ASAN-USE-AFTER-SCOPE: store i1 true
- // CHECK: call void @_ZN1XC
- // CHECK: br label
- //
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.start
- // CHECK-ASAN-USE-AFTER-SCOPE: store i1 true
- // CHECK: call void @_ZN1YC
- // CHECK: br label
- //
- // CHECK: call void @c()
- // CHECK-ASAN-USE-AFTER-SCOPE: br i1
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.end
- // CHECK-ASAN-USE-AFTER-SCOPE: br i1
- // CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.end
- b(), (n ? X().p : Y().p), c();
-
- // CHECK: call void @d()
- d();
-}
--- /dev/null
+// RUN: %clang -w -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 %s | \
+// RUN: FileCheck %s -check-prefixes=CHECK,CHECK-O0 --implicit-check-not=llvm.lifetime
+// RUN: %clang -w -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
+// RUN: -fsanitize=address -fsanitize-address-use-after-scope %s | \
+// RUN: FileCheck %s -check-prefixes=CHECK,LIFETIME
+
+extern int bar(char *A, int n);
+
+struct X {
+ X();
+ ~X();
+ int *p;
+};
+struct Y {
+ Y();
+ int *p;
+};
+
+extern "C" void a(), b(), c(), d();
+
+// CHECK-LABEL: @_Z3foo
+void foo(int n) {
+ // CHECK-LABEL: call void @a()
+ a();
+
+ // CHECK-LABEL: call void @b()
+ // CHECK: store i1 false
+ // CHECK-LABEL: br i1
+ //
+ // CHECK-LABEL: cond.true:
+ // LIFETIME: @llvm.lifetime.start
+ // LIFETIME: store i1 true
+ // LIFETIME: call void @_ZN1XC
+ // CHECK-LABEL: br label
+ //
+ // CHECK-LABEL: cond.false:
+ // LIFETIME: @llvm.lifetime.start
+ // LIFETIME: store i1 true
+ // LIFETIME: call void @_ZN1YC
+ // CHECK-LABEL: br label
+ //
+ // CHECK-LABEL: cond.end:
+ // CHECK: call void @c()
+ // LIFETIME: @llvm.lifetime.end
+ // LIFETIME: @llvm.lifetime.end
+ b(), (n ? X().p : Y().p), c();
+
+ // CHECK: call void @d()
+ d();
+}