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RedBear-OS/local/recipes/dev/libclc/source/clang/test/CodeGenCXX/ubsan-suppress-checks.cpp
T
vasilito cb424d7448 build: static patch-sanity linter (shift-left the malformed-patch class) 
verify-patch-sanity.py validates every active recipe .patch has internally-
consistent hunk line counts — catching the 'malformed patch at line N' failure
at commit/CI/preflight time instead of hours into a cook. This cycle hit that
class three times (qtwaylandscanner, sddm, xwayland), each only discovered when
cookbook tried to apply the patch.

Running it across the repo found 29 latent malformed patches (validated against
GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22').
They were harmless only because they sit in vendored recipes (baked, not re-
applied) — but would fail on any version-bump re-derivation. --fix recounts the
hunk headers (body untouched) and repaired all 29.

Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test
(test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats
(empty placeholders, bare-@@ git hunks).
2026-08-01 05:13:02 +03:00

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// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=alignment | FileCheck %s --check-prefixes=CHECK,ALIGN
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=null | FileCheck %s --check-prefixes=CHECK,NULL
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=alignment,null -DCHECK_LAMBDA | FileCheck %s --check-prefixes=LAMBDA
// CHECK-LABEL: define{{.*}} void @_Z22load_non_null_pointersv
void load_non_null_pointers() {
int var;
var = *&var;
int arr[1];
arr[0] = arr[0];
char c = "foo"[0];
// CHECK-NOT: and i64 {{.*}}, !nosanitize
// CHECK-NOT: icmp ne {{.*}}, null, !nosanitize
// CHECK: ret void
}
// CHECK-LABEL: define{{.*}} void @_Z31use_us16_aligned_array_elementsv
void use_us16_aligned_array_elements() {
static const unsigned short Arr[] = {0, 1, 2};
auto use_array = [](const unsigned short(&X)[3]) -> void {};
use_array(Arr);
// CHECK-NOT: br i1 true
// ALIGN-NOT: call void @__ubsan_handle_type_mismatch
// CHECK: ret void
}
struct A {
int foo;
// CHECK-LABEL: define linkonce_odr void @_ZN1A10do_nothingEv
void do_nothing() {
// ALIGN: %[[THISINT1:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT1]], 3, !nosanitize
// NULL: icmp ne ptr %[[THIS1:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS1]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
// CHECK: ret void
}
#ifdef CHECK_LAMBDA
// LAMBDA-LABEL: define linkonce_odr void @_ZN1A22do_nothing_with_lambdaEv
void do_nothing_with_lambda() {
// LAMBDA: icmp ne ptr %[[THIS2:[a-z0-9]+]], null, !nosanitize
// LAMBDA: %[[THISINT2:[0-9]+]] = ptrtoint ptr %[[THIS2]] to i64, !nosanitize
// LAMBDA: and i64 %[[THISINT2]], 3, !nosanitize
// LAMBDA: call void @__ubsan_handle_type_mismatch
auto f = [&] {
foo = 0;
};
f();
// LAMBDA-NOT: call void @__ubsan_handle_type_mismatch
// LAMBDA: ret void
}
// Check the IR for the lambda:
//
// LAMBDA-LABEL: define linkonce_odr void @_ZZN1A22do_nothing_with_lambdaEvENKUlvE_clEv
// LAMBDA: call void @__ubsan_handle_type_mismatch
// LAMBDA-NOT: call void @__ubsan_handle_type_mismatch
// LAMBDA: ret void
#endif
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN1A11load_memberEv
int load_member() {
// ALIGN: %[[THISINT3:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT3]], 3, !nosanitize
// NULL: icmp ne ptr %[[THIS3:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS3]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
return foo;
// CHECK: ret i32
}
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN1A11call_methodEv
int call_method() {
// ALIGN: %[[THISINT4:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT4]], 3, !nosanitize
// NULL: icmp ne ptr %[[THIS4:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS4]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
return load_member();
// CHECK: ret i32
}
// CHECK-LABEL: define linkonce_odr void @_ZN1A15assign_member_1Ev
void assign_member_1() {
// ALIGN: %[[THISINT5:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT5]], 3, !nosanitize
// NULL: icmp ne ptr %[[THIS5:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS5]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
foo = 0;
// CHECK: ret void
}
// CHECK-LABEL: define linkonce_odr void @_ZN1A15assign_member_2Ev
void assign_member_2() {
// ALIGN: %[[THISINT6:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT6]], 3, !nosanitize
// NULL: icmp ne ptr %[[THIS6:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS6]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
(__extension__ (this))->foo = 0;
// CHECK: ret void
}
// CHECK-LABEL: define linkonce_odr void @_ZNK1A15assign_member_3Ev
void assign_member_3() const {
// ALIGN: %[[THISINT7:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT7]], 3, !nosanitize
// NULL: icmp ne ptr %[[THIS7:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS7]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
const_cast<A *>(this)->foo = 0;
// CHECK: ret void
}
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN1A22call_through_referenceERS_
static int call_through_reference(A &a) {
// ALIGN: %[[OBJINT:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[OBJINT]], 3, !nosanitize
// ALIGN: call void @__ubsan_handle_type_mismatch
// NULL-NOT: call void @__ubsan_handle_type_mismatch
return a.load_member();
// CHECK: ret i32
}
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN1A20call_through_pointerEPS_
static int call_through_pointer(A *a) {
// CHECK: call void @__ubsan_handle_type_mismatch
return a->load_member();
// CHECK: ret i32
}
};
struct B {
operator A*() const { return nullptr; }
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN1B11load_memberEPS_
static int load_member(B *bp) {
// Check &b before converting it to an A*.
// CHECK: call void @__ubsan_handle_type_mismatch
//
// Check the result of the conversion before using it.
// NULL: call void @__ubsan_handle_type_mismatch
//
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
return static_cast<A *>(*bp)->load_member();
// CHECK: ret i32
}
};
struct Base {
int foo;
virtual int load_member_1() = 0;
};
struct Derived : public Base {
int bar;
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN7Derived13load_member_2Ev
int load_member_2() {
// ALIGN: %[[THISINT8:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT8]], 7, !nosanitize
// ALIGN: call void @__ubsan_handle_type_mismatch
// NULL: icmp ne ptr %[[THIS8:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS8]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
//
// Check the result of the cast before using it.
// CHECK: call void @__ubsan_handle_type_mismatch
//
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
return dynamic_cast<Base *>(this)->load_member_1();
// CHECK: ret i32
}
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN7Derived13load_member_3Ev
int load_member_3() {
// ALIGN: %[[THISINT9:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT9]], 7, !nosanitize
// ALIGN: call void @__ubsan_handle_type_mismatch
// ALIGN: call void @__ubsan_handle_type_mismatch
// NULL: icmp ne ptr %[[THIS9:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS9]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
return reinterpret_cast<Derived *>(static_cast<Base *>(this))->foo;
// CHECK: ret i32
}
// CHECK-LABEL: define linkonce_odr noundef i32 @_ZN7Derived13load_member_1Ev
int load_member_1() override {
// ALIGN: %[[THISINT10:[0-9]+]] = ptrtoint ptr %{{.*}} to i64, !nosanitize
// ALIGN: and i64 %[[THISINT10]], 7, !nosanitize
// ALIGN: call void @__ubsan_handle_type_mismatch
// NULL: icmp ne ptr %[[THIS10:[a-z0-9]+]], null, !nosanitize
// NULL: ptrtoint ptr %[[THIS10]] to i64, !nosanitize
// CHECK: call void @__ubsan_handle_type_mismatch
// CHECK-NOT: call void @__ubsan_handle_type_mismatch
return foo + bar;
// CHECK: ret i32
}
};
void force_irgen() {
A *a;
a->do_nothing();
#ifdef CHECK_LAMBDA
a->do_nothing_with_lambda();
#endif
a->load_member();
a->call_method();
a->assign_member_1();
a->assign_member_2();
a->assign_member_3();
A::call_through_reference(*a);
A::call_through_pointer(a);
B::load_member(nullptr);
Base *b = new Derived;
b->load_member_1();
Derived *d;
d->load_member_2();
d->load_member_3();
load_non_null_pointers();
use_us16_aligned_array_elements();
}
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