diff options
Diffstat (limited to 'test/CodeGenCXX/catch-undef-behavior.cpp')
| -rw-r--r-- | test/CodeGenCXX/catch-undef-behavior.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/CodeGenCXX/catch-undef-behavior.cpp b/test/CodeGenCXX/catch-undef-behavior.cpp index 179c33412267..d58853c47f75 100644 --- a/test/CodeGenCXX/catch-undef-behavior.cpp +++ b/test/CodeGenCXX/catch-undef-behavior.cpp @@ -449,6 +449,28 @@ void upcast_to_vbase() { } } +struct ThisAlign { + void this_align_lambda(); + void this_align_lambda_2(); +}; +void ThisAlign::this_align_lambda() { + // CHECK-LABEL: define {{.*}}@"_ZZN9ThisAlign17this_align_lambdaEvENK3$_0clEv" + // CHECK-SAME: (%{{.*}}* %[[this:[^)]*]]) + // CHECK: %[[this_addr:.*]] = alloca + // CHECK: store %{{.*}}* %[[this]], %{{.*}}** %[[this_addr]], + // CHECK: %[[this_inner:.*]] = load %{{.*}}*, %{{.*}}** %[[this_addr]], + // CHECK: %[[this_outer_addr:.*]] = getelementptr inbounds %{{.*}}, %{{.*}}* %[[this_inner]], i32 0, i32 0 + // CHECK: %[[this_outer:.*]] = load %{{.*}}*, %{{.*}}** %[[this_outer_addr]], + // + // CHECK: %[[this_inner_isnonnull:.*]] = icmp ne %{{.*}}* %[[this_inner]], null + // CHECK: %[[this_inner_asint:.*]] = ptrtoint %{{.*}}* %[[this_inner]] to i + // CHECK: %[[this_inner_misalignment:.*]] = and i{{32|64}} %[[this_inner_asint]], {{3|7}}, + // CHECK: %[[this_inner_isaligned:.*]] = icmp eq i{{32|64}} %[[this_inner_misalignment]], 0 + // CHECK: %[[this_inner_valid:.*]] = and i1 %[[this_inner_isnonnull]], %[[this_inner_isaligned]], + // CHECK: br i1 %[[this_inner_valid:.*]] + [&] { return this; } (); +} + namespace CopyValueRepresentation { // CHECK-LABEL: define {{.*}} @_ZN23CopyValueRepresentation2S3aSERKS0_ // CHECK-NOT: call {{.*}} @__ubsan_handle_load_invalid_value @@ -532,4 +554,18 @@ namespace CopyValueRepresentation { } } +void ThisAlign::this_align_lambda_2() { + // CHECK-LABEL: define {{.*}}@"_ZZN9ThisAlign19this_align_lambda_2EvENK3$_1clEv" + // CHECK-SAME: (%{{.*}}* %[[this:[^)]*]]) + // CHECK: %[[this_addr:.*]] = alloca + // CHECK: store %{{.*}}* %[[this]], %{{.*}}** %[[this_addr]], + // CHECK: %[[this_inner:.*]] = load %{{.*}}*, %{{.*}}** %[[this_addr]], + // + // Do not perform a null check on the 'this' pointer if the function might be + // called from a static invoker. + // CHECK-NOT: icmp ne %{{.*}}* %[[this_inner]], null + auto *p = +[] {}; + p(); +} + // CHECK: attributes [[NR_NUW]] = { noreturn nounwind } |