vasilito
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).
88 lines
3.5 KiB
C++
88 lines
3.5 KiB
C++
// RUN: %clang_cc1 -I%S %s -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions -std=c++11 -o - -O1 -disable-llvm-passes | FileCheck %s --implicit-check-not='call {{.*}} @__dynamic_cast'
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struct Offset { virtual ~Offset(); };
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struct A { virtual ~A(); };
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struct B final : Offset, A { };
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struct C { virtual ~C(); int c; };
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struct D : A { int d; };
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struct E : A { int e; };
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struct F : virtual A { int f; };
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struct G : virtual A { int g; };
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struct H final : C, D, E, F, G { int h; };
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// CHECK-LABEL: @_Z7inexactP1A
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C *inexact(A *a) {
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// CHECK: call {{.*}} @__dynamic_cast
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return dynamic_cast<C*>(a);
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}
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// CHECK-LABEL: @_Z12exact_singleP1A
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B *exact_single(A *a) {
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// CHECK: %[[PTR_NULL:.*]] = icmp eq ptr %[[PTR:.*]], null
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// CHECK: br i1 %[[PTR_NULL]], label %[[LABEL_FAILED:.*]], label %[[LABEL_NOTNULL:.*]]
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// CHECK: [[LABEL_NOTNULL]]:
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// CHECK: %[[VPTR:.*]] = load ptr, ptr %[[PTR]]
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// CHECK: %[[MATCH:.*]] = icmp eq ptr %[[VPTR]], getelementptr inbounds inrange(-16, 16) ({ [4 x ptr], [4 x ptr] }, ptr @_ZTV1B, i32 0, i32 1, i32 2)
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// CHECK: %[[RESULT:.*]] = getelementptr inbounds i8, ptr %[[PTR]], i64 -8
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// CHECK: br i1 %[[MATCH]], label %[[LABEL_END:.*]], label %[[LABEL_FAILED]]
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// CHECK: [[LABEL_FAILED]]:
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// CHECK: br label %[[LABEL_END]]
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// CHECK: [[LABEL_END]]:
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// CHECK: phi ptr [ %[[RESULT]], %[[LABEL_NOTNULL]] ], [ null, %[[LABEL_FAILED]] ]
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return dynamic_cast<B*>(a);
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}
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// CHECK-LABEL: @_Z9exact_refR1A
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B &exact_ref(A &a) {
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// CHECK: %[[PTR_NULL:.*]] = icmp eq ptr %[[PTR:.*]], null
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// CHECK: br i1 %[[PTR_NULL]], label %[[LABEL_FAILED:.*]], label %[[LABEL_NOTNULL:.*]]
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// CHECK: [[LABEL_NOTNULL]]:
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// CHECK: %[[VPTR:.*]] = load ptr, ptr %[[PTR]]
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// CHECK: %[[MATCH:.*]] = icmp eq ptr %[[VPTR]], getelementptr inbounds inrange(-16, 16) ({ [4 x ptr], [4 x ptr] }, ptr @_ZTV1B, i32 0, i32 1, i32 2)
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// CHECK: %[[RESULT:.*]] = getelementptr inbounds i8, ptr %[[PTR]], i64 -8
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// CHECK: br i1 %[[MATCH]], label %[[LABEL_END:.*]], label %[[LABEL_FAILED]]
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// CHECK: [[LABEL_FAILED]]:
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// CHECK: call {{.*}} @__cxa_bad_cast
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// CHECK: unreachable
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// CHECK: [[LABEL_END]]:
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// CHECK: ret ptr %[[RESULT]]
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return dynamic_cast<B&>(a);
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}
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// CHECK-LABEL: @_Z11exact_multiP1A
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H *exact_multi(A *a) {
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// CHECK: %[[PTR_NULL:.*]] = icmp eq ptr %[[PTR:.*]], null
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// CHECK: br i1 %[[PTR_NULL]], label %[[LABEL_FAILED:.*]], label %[[LABEL_NOTNULL:.*]]
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// CHECK: [[LABEL_NOTNULL]]:
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// CHECK: %[[VPTR:.*]] = load ptr, ptr %[[PTR]]
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// CHECK: %[[OFFSET_TO_TOP_SLOT:.*]] = getelementptr inbounds i64, ptr %[[VPTR]], i64 -2
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// CHECK: %[[OFFSET_TO_TOP:.*]] = load i64, ptr %[[OFFSET_TO_TOP_SLOT]]
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// CHECK: %[[RESULT:.*]] = getelementptr inbounds i8, ptr %[[PTR]], i64 %[[OFFSET_TO_TOP]]
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// CHECK: %[[DERIVED_VPTR:.*]] = load ptr, ptr %[[RESULT]]
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// CHECK: %[[MATCH:.*]] = icmp eq ptr %[[DERIVED_VPTR]], getelementptr inbounds inrange(-24, 16) ({ [5 x ptr], [4 x ptr], [4 x ptr], [6 x ptr], [6 x ptr] }, ptr @_ZTV1H, i32 0, i32 0, i32 3)
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// CHECK: br i1 %[[MATCH]], label %[[LABEL_END:.*]], label %[[LABEL_FAILED]]
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// CHECK: [[LABEL_FAILED]]:
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// CHECK: br label %[[LABEL_END]]
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// CHECK: [[LABEL_END]]:
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// CHECK: phi ptr [ %[[RESULT]], %[[LABEL_NOTNULL]] ], [ null, %[[LABEL_FAILED]] ]
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return dynamic_cast<H*>(a);
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}
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namespace GH64088 {
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// Ensure we mark the B vtable as used here, because we're going to emit a
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// reference to it.
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// CHECK: define {{.*}} @_ZN7GH640881BD0
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struct A { virtual ~A(); };
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struct B final : A { virtual ~B() = default; };
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B *cast(A *p) { return dynamic_cast<B*>(p); }
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}
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