cb424d7448
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).
108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
// RUN: %clang_cc1 -std=c++1z -emit-llvm -triple x86_64-linux-gnu -o - %s | FileCheck %s
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struct A {
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A(int);
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A(A&&);
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A(const A&);
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~A();
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operator bool();
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int arr[10];
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};
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A f();
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void h();
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// CHECK-LABEL: define {{.*}} @_Z1gv(
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void g() {
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// CHECK: %[[A:.*]] = alloca
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// CHECK-NOT: alloca
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// CHECK-NOT: call
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// CHECK: call {{.*}} @_Z1fv(ptr dead_on_unwind writable sret({{.*}}) align 4 %[[A]])
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A a = A( A{ f() } );
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// CHECK-NOT: call
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// CHECK: call void @_Z1hv(
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h();
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// CHECK-NOT: call
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// CHECK: call void @_ZN1AD1Ev(ptr {{[^,]*}} %[[A]])
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// CHECK-NOT: call
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// CHECK-LABEL: }
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}
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void f(A);
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// CHECK-LABEL: define {{.*}} @_Z1hv(
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void h() {
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// CHECK: %[[A:.*]] = alloca
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// CHECK-NOT: alloca
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// CHECK-NOT: call
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// CHECK: call {{.*}} @_Z1fv(ptr dead_on_unwind writable sret({{.*}}) align 4 %[[A]])
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// CHECK-NOT: call
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// CHECK: call {{.*}} @_Z1f1A(ptr noundef %[[A]])
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f(f());
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// CHECK-NOT: call
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// CHECK: call void @_ZN1AD1Ev(ptr {{[^,]*}} %[[A]])
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// CHECK: call void @_Z1hv(
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h();
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// CHECK-NOT: call
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// CHECK-LABEL: }
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}
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// We still pass classes with trivial copy/move constructors and destructors in
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// registers, even if the copy is formally omitted.
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struct B {
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B(int);
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int n;
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};
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B fB();
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void fB(B);
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// CHECK-LABEL: define {{.*}} @_Z1iv(
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void i() {
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// CHECK: %[[B:.*]] = alloca
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// CHECK-NOT: alloca
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// CHECK-NOT: call
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// CHECK: %[[B_N:.*]] = call i32 @_Z2fBv()
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// CHECK-NOT: call
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// CHECK: store i32 %[[B_N]],
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// CHECK-NOT: call
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// CHECK: %[[B_N:.*]] = load i32
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// CHECK-NOT: call
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// CHECK: call void @_Z2fB1B(i32 %[[B_N]])
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fB(fB());
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// CHECK-LABEL: }
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}
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// CHECK-LABEL: define {{.*}} @_Z1jv(
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void j() {
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// CHECK: alloca ptr
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// CHECK: %[[OUTERTEMP:.*]] = alloca %{{.*}}
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// CHECK: %[[INNERTEMP:.*]] = alloca %{{.*}}
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// CHECK: call void @_ZN1AC1Ei(ptr {{.*}} %[[INNERTEMP]], i32 noundef 1)
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// CHECK: call noundef zeroext i1 @_ZN1AcvbEv(ptr {{.*}} %[[INNERTEMP]])
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// CHECK: br i1
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//
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// CHECK: call void @_ZN1AC1EOS_(ptr {{.*}} %[[OUTERTEMP]], ptr {{.*}} %[[INNERTEMP]])
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// CHECK: br label
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//
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// CHECK: call void @_ZN1AC1Ei(ptr {{.*}} %[[OUTERTEMP]], i32 noundef 2)
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// CHECK: br label
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//
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// CHECK: call void @_ZN1AD1Ev(ptr {{.*}} %[[INNERTEMP]])
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A &&a = A(1) ?: A(2);
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// CHECK: call void @_Z1iv()
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i();
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// CHECK: call void @_ZN1AD1Ev(ptr {{.*}} %[[OUTERTEMP]])
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}
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