derek.holloway
7502bf64a4
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34 lines
1.3 KiB
C++
34 lines
1.3 KiB
C++
// RUN: %clang_cc1 -triple aarch64-linux -fexperimental-pointer-field-protection-abi -fexperimental-pointer-field-protection-tagged -emit-llvm -o - %s | FileCheck %s
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struct S {
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int* ptr;
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private:
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int private_data;
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}; // Not Standard-layout, mixed access
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// CHECK-LABEL: load_pointers
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int* load_pointers(S *t) {
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// CHECK: %t.addr = alloca ptr, align 8
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// CHECK: store ptr %t, ptr %t.addr, align 8
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// CHECK: %0 = load ptr, ptr %t.addr, align 8
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// CHECK: %ptr = getelementptr inbounds nuw %struct.S, ptr %0, i32 0, i32 0
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// CHECK: %1 = call ptr @llvm.protected.field.ptr.p0(ptr %ptr, i64 63261, i1 true) [ "deactivation-symbol"(ptr @__pfp_ds__ZTS1S.ptr) ]
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// CHECK: %2 = load ptr, ptr %1, align 8
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// CHECK: ret ptr %2
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return t->ptr;
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}
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// CHECK-LABEL: store_pointers
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void store_pointers(S* t, int* p) {
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// CHECK: %t.addr = alloca ptr, align 8
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// CHECK: %p.addr = alloca ptr, align 8
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// CHECK: store ptr %t, ptr %t.addr, align 8
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// CHECK: store ptr %p, ptr %p.addr, align 8
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// CHECK: %0 = load ptr, ptr %p.addr, align 8
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// CHECK: %1 = load ptr, ptr %t.addr, align 8
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// CHECK: %ptr = getelementptr inbounds nuw %struct.S, ptr %1, i32 0, i32 0
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// CHECK: %2 = call ptr @llvm.protected.field.ptr.p0(ptr %ptr, i64 63261, i1 true) [ "deactivation-symbol"(ptr @__pfp_ds__ZTS1S.ptr) ]
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// CHECK: store ptr %0, ptr %2, align 8
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t->ptr = p;
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}
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