23 lines
1.3 KiB
C
23 lines
1.3 KiB
C
// RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=LIFETIME
|
|
|
|
// We shouldn't have markers at -O0 or with msan.
|
|
// RUN: %clang_cc1 -O0 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - | FileCheck %s
|
|
// RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - -fsanitize=memory | FileCheck %s
|
|
// RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - -fsanitize=kernel-memory | FileCheck %s
|
|
|
|
// There is no exception to handle here, lifetime.end is not a destructor,
|
|
// so there is no need have cleanup dest slot related code
|
|
// CHECK-LABEL: define{{.*}} i32 @test
|
|
int test() {
|
|
int x = 3;
|
|
int *volatile p = &x;
|
|
return *p;
|
|
// CHECK: [[X:%.*]] = alloca i32
|
|
// CHECK: [[P:%.*]] = alloca i32*
|
|
// LIFETIME: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %{{.*}}){{( #[0-9]+)?}}, !dbg
|
|
// LIFETIME: call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %{{.*}}){{( #[0-9]+)?}}, !dbg
|
|
// CHECK-NOT: store i32 %{{.*}}, i32* %cleanup.dest.slot
|
|
// LIFETIME: call void @llvm.lifetime.end.p0i8(i64 8, {{.*}}){{( #[0-9]+)?}}, !dbg
|
|
// LIFETIME: call void @llvm.lifetime.end.p0i8(i64 4, {{.*}}){{( #[0-9]+)?}}, !dbg
|
|
}
|