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RedBear-OS/local/recipes/dev/libclc/source/clang/test/CoverageMapping/if.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 -fms-extensions -mllvm -emptyline-comment-coverage=false -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -std=c++23 -triple %itanium_abi_triple -main-file-name if.cpp %s | FileCheck %s
// RUN: %clang_cc1 -fms-extensions -mllvm -emptyline-comment-coverage=false -fcoverage-mcdc -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -std=c++2b -triple %itanium_abi_triple -main-file-name if.cpp %s | FileCheck %s
int nop() { return 0; }
struct S {
int i;
int putprop(int j) {
i = j;
return i;
}
__declspec(property(put = putprop)) int the_prop;
};
// CHECK-LABEL: _Z3foov:
// CHECK-NEXT: [[@LINE+3]]:12 -> [[@LINE+8]]:2 = #0
// CHECK-NEXT: [[@LINE+3]]:15 -> [[@LINE+3]]:19 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+2]]:15 -> [[@LINE+2]]:19 = #2, 0
void foo() { // CHECK-NEXT: Gap,File 0, [[@LINE+1]]:21 -> [[@LINE+1]]:22 = #2
if (int j = true ? nop() // CHECK-NEXT: [[@LINE]]:22 -> [[@LINE]]:27 = #2
: nop(); // CHECK-NEXT: [[@LINE]]:22 -> [[@LINE]]:27 = (#0 - #2)
j) // CHECK-NEXT: [[@LINE]]:7 -> [[@LINE]]:8 = #0
++j; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:7 -> [[@LINE-1]]:8 = #1, (#0 - #1)
} // CHECK-NEXT: [[@LINE-2]]:9 -> [[@LINE-1]]:5 = #1
// CHECK-NEXT: [[@LINE-2]]:5 -> [[@LINE-2]]:8 = #1
// GH-57377
// CHECK-LABEL: _Z30check_constexpr_true_with_elsei:
int check_constexpr_true_with_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(true) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:22 = 0
i *= 3; // CHECK-NEXT: File 0, [[@LINE-1]]:22 -> [[@LINE+1]]:4 = #0
} else { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:4 -> [[@LINE+2]]:4 = 0
i *= 5;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z33check_constexpr_true_without_elsei:
int check_constexpr_true_without_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(true) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:22 = 0
i *= 3; // CHECK-NEXT: File 0, [[@LINE-1]]:22 -> [[@LINE+1]]:4 = #0
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z31check_constexpr_false_with_elsei:
int check_constexpr_false_with_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(false) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = 0
i *= 3;
} else { // CHECK-NEXT: File 0, [[@LINE]]:10 -> [[@LINE+2]]:4 = #0
i *= 5;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z34check_constexpr_false_without_elsei:
int check_constexpr_false_without_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(false) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE+2]]:4 = 0
i *= 3;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z35check_constexpr_init_true_with_elsei:
int check_constexpr_init_true_with_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(int j = i; true) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:16 = 0
// CHECK-NEXT: File 0, [[@LINE-1]]:16 -> [[@LINE-1]]:26 = #0
// CHECK-NEXT: Skipped,File 0, [[@LINE-2]]:26 -> [[@LINE-2]]:33 = 0
// CHECK-NEXT: File 0, [[@LINE-3]]:33 -> [[@LINE+2]]:4 = #0
i *= j;
} else { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:4 -> [[@LINE+2]]:4 = 0
i *= j;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z38check_constexpr_init_true_without_elsei:
int check_constexpr_init_true_without_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(int j = i; true) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:16 = 0
// CHECK-NEXT: File 0, [[@LINE-1]]:16 -> [[@LINE-1]]:26 = #0
// CHECK-NEXT: Skipped,File 0, [[@LINE-2]]:26 -> [[@LINE-2]]:33 = 0
// CHECK-NEXT: File 0, [[@LINE-3]]:33 -> [[@LINE+2]]:4 = #0
i *= j;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z36check_constexpr_init_false_with_elsei:
int check_constexpr_init_false_with_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(int j = i; false) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:16 = 0
// CHECK-NEXT: File 0, [[@LINE-1]]:16 -> [[@LINE-1]]:26 = #0
i *= j; // CHECK-NEXT: Skipped,File 0, [[@LINE-2]]:26 -> [[@LINE+1]]:10 = 0
} else { // CHECK-NEXT: File 0, [[@LINE]]:10 -> [[@LINE+2]]:4 = #0
i *= j;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z39check_constexpr_init_false_without_elsei:
int check_constexpr_init_false_without_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(int j = i; false) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:16 = 0
// CHECK-NEXT: File 0, [[@LINE-1]]:16 -> [[@LINE-1]]:26 = #0
i *= j; // CHECK-NEXT: Skipped,File 0, [[@LINE-2]]:26 -> [[@LINE+1]]:4 = 0
}
return i;
}
// CHECK-LABEL: _Z32check_constexpr_init_with_if_defi:
int check_constexpr_init_with_if_def(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if constexpr(using foo = int; true) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:39 = 0
i *= foo(42); // CHECK-NEXT: File 0, [[@LINE-1]]:39 -> [[@LINE+1]]:4 = #0
}
return i;
}
// CHECK-LABEL: _Z32check_macro_constexpr_if_skippedi:
int check_macro_constexpr_if_skipped(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
#define IF_CONSTEXPR if constexpr // CHECK-NEXT: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:15 = #0 (Expanded file = 1)
IF_CONSTEXPR(false) { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE+2]]:4 = 0
i *= 2; // CHECK-NEXT: File 1, [[@LINE-2]]:22 -> [[@LINE-2]]:34 = #0
}
return i;
}
// CHECK-LABEL: main:
int main() { // CHECK: File 0, [[@LINE]]:12 -> {{[0-9]+}}:2 = #0
int i = 0;
// CHECK-NEXT: File 0, [[@LINE+3]]:6 -> [[@LINE+3]]:12 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #1, (#0 - #1)
// CHECK-NEXT: Gap,File 0, [[@LINE+1]]:13 -> [[@LINE+1]]:14 = #1
if(i == 0) i = 1; // CHECK-NEXT: File 0, [[@LINE]]:14 -> [[@LINE]]:19 = #1
// CHECK-NEXT: File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #2, (#0 - #2)
if(i == 1) // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE+1]]:5 = #2
i = 2; // CHECK-NEXT: File 0, [[@LINE]]:5 -> [[@LINE]]:10 = #2
// CHECK-NEXT: File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #3, (#0 - #3)
if(i == 0) { i = 1; // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE]]:14 = #3
i = 2; // CHECK-NEXT: File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:4 = #3
}
// CHECK-NEXT: File 0, [[@LINE+2]]:6 -> [[@LINE+2]]:12 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+1]]:6 -> [[@LINE+1]]:12 = #4, (#0 - #4)
if(i != 0) { // CHECK-NEXT: Gap,File 0, [[@LINE]]:13 -> [[@LINE]]:14 = #4
i = 1; // CHECK-NEXT: File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:4 = #4
} else { // CHECK-NEXT: Gap,File 0, [[@LINE]]:4 -> [[@LINE]]:10 = (#0 - #4)
i = 3; // CHECK-NEXT: File 0, [[@LINE-1]]:10 -> [[@LINE+1]]:4 = (#0 - #4)
}
// CHECK-NEXT: File 0, [[@LINE+2]]:7 -> [[@LINE+2]]:13 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+1]]:7 -> [[@LINE+1]]:13 = #5, (#0 - #5)
i = i == 0? // CHECK-NEXT: Gap,File 0, [[@LINE]]:14 -> [[@LINE+1]]:9 = #5
i + 1 : // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:14 = #5
i + 2; // CHECK-NEXT: File 0, [[@LINE]]:9 -> [[@LINE]]:14 = (#0 - #5)
// CHECK-NEXT: File 0, [[@LINE+3]]:7 -> [[@LINE+3]]:13 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE+2]]:7 -> [[@LINE+2]]:13 = #6, (#0 - #6)
// CHECK-NEXT: File 0, [[@LINE+1]]:14 -> [[@LINE+1]]:20 = #6
i = i == 0?i + 12:i + 10; // CHECK-NEXT: File 0, [[@LINE]]:21 -> [[@LINE]]:27 = (#0 - #6)
// GH-45481
S s;
s.the_prop = 0? 1 : 2; // CHECK-NEXT: File 0, [[@LINE]]:16 -> [[@LINE]]:17 = #0
// CHECK-NEXT: Branch,File 0, [[@LINE-1]]:16 -> [[@LINE-1]]:17 = 0, (#0 - #7)
// CHECK-NEXT: Gap,File 0, [[@LINE-2]]:18 -> [[@LINE-2]]:19 = #7
// CHECK-NEXT: File 0, [[@LINE-3]]:19 -> [[@LINE-3]]:20 = #7
// CHECK-NEXT: File 0, [[@LINE-4]]:23 -> [[@LINE-4]]:24 = (#0 - #7)
if (s.the_prop = 1) { // CHECK-NEXT: File 0, [[@LINE]]:7 -> [[@LINE]]:21 = #0
return 1; // CHECK-NEXT: Branch,File 0, [[@LINE-1]]:7 -> [[@LINE-1]]:21 = #8, (#0 - #8)
} // CHECK-NEXT: Gap,File 0, [[@LINE-2]]:22 -> [[@LINE-2]]:23 = #8
// CHECK-NEXT: File 0, [[@LINE-3]]:23 -> [[@LINE-1]]:4 = #8
}
#define FOO true
// CHECK-LABEL: _Z7ternaryv:
void ternary() {
true ? FOO : FOO; // CHECK-NOT: Gap,{{.*}}, [[@LINE]]:8 ->
}
// GH-57377
// CHECK-LABEL: _Z40check_consteval_with_else_discarded_theni:
constexpr int check_consteval_with_else_discarded_then(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if consteval { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE+2]]:10 = 0
i *= 3;
} else { // CHECK-NEXT: File 0, [[@LINE]]:10 -> [[@LINE+2]]:4 = #0
i *= 5;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z43check_notconsteval_with_else_discarded_elsei:
constexpr int check_notconsteval_with_else_discarded_else(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if !consteval { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:17 = 0
i *= 3;
} else { // CHECK-NEXT: File 0, [[@LINE-2]]:17 -> [[@LINE]]:4 = #0
i *= 5; // CHECK-NEXT: Skipped,File 0, [[@LINE-1]]:4 -> [[@LINE+1]]:4 = 0
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z32check_consteval_branch_discardedi:
constexpr int check_consteval_branch_discarded(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if consteval { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE+2]]:4 = 0
i *= 3;
}
return i;
}
// GH-57377
// CHECK-LABEL: _Z30check_notconsteval_branch_kepti:
constexpr int check_notconsteval_branch_kept(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
if !consteval { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:17 = 0
i *= 3; // CHECK-NEXT: File 0, [[@LINE-1]]:17 -> [[@LINE+1]]:4 = #0
}
return i;
}
// CHECK-LABEL: _Z32check_macro_consteval_if_skippedi:
constexpr int check_macro_consteval_if_skipped(int i) { // CHECK-NEXT: [[@LINE]]:{{[0-9]+}} -> {{[0-9]+}}:2 = #0
#define IF_RUNTIME if !consteval // CHECK-NEXT: Expansion,File 0, [[@LINE+1]]:3 -> [[@LINE+1]]:13 = #0 (Expanded file = 1)
IF_RUNTIME { // CHECK-NEXT: Skipped,File 0, [[@LINE]]:3 -> [[@LINE]]:14 = 0
i *= 2; // CHECK-NEXT: File 0, [[@LINE-1]]:14 -> [[@LINE+1]]:4 = #0
} // CHECK-NEXT: File 1, [[@LINE-3]]:20 -> [[@LINE-3]]:33 = #0
return i;
}
struct false_value {
constexpr operator bool() {
return false;
}
};
template <typename> struct dependable_false_value {
constexpr operator bool() {
return false;
}
};
// GH-80285
void should_not_crash() {
if constexpr (false_value{}) { };
}
template <typename> void should_not_crash_dependable() {
if constexpr (dependable_false_value<int>{}) { };
}
void should_not_crash_with_template_instance() {
should_not_crash_dependable<int>();
}
void should_not_crash_with_requires_expr() {
if constexpr (requires {42;}) { };
}
int instantiate_consteval(int i) {
i *= check_consteval_with_else_discarded_then(i);
i *= check_notconsteval_with_else_discarded_else(i);
i *= check_consteval_branch_discarded(i);
i *= check_notconsteval_branch_kept(i);
i *= check_macro_consteval_if_skipped(i);
return i;
}
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