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37 lines
1.3 KiB
37 lines
1.3 KiB
4 months ago
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// RUN: %clang_cc1 %s -std=c++11 -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s -check-prefixes=CHECK,NULL-INVALID
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// RUN: %clang_cc1 %s -std=c++11 -triple=x86_64-apple-darwin10 -fno-delete-null-pointer-checks -emit-llvm -o - | FileCheck %s -check-prefixes=CHECK,NULL-VALID
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// For a reference to a complete type, output the dereferenceable attribute (in
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// any address space).
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typedef int a __attribute__((address_space(1)));
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a & foo(a &x, a & y) {
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return x;
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}
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// CHECK: define align 4 dereferenceable(4) i32 addrspace(1)* @_Z3fooRU3AS1iS0_(i32 addrspace(1)* align 4 dereferenceable(4) %x, i32 addrspace(1)* align 4 dereferenceable(4) %y)
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// For a reference to an incomplete type in an alternate address space, output
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// neither dereferenceable nor nonnull.
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class bc;
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typedef bc b __attribute__((address_space(1)));
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b & bar(b &x, b & y) {
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return x;
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}
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// CHECK: define align 1 %class.bc addrspace(1)* @_Z3barRU3AS12bcS1_(%class.bc addrspace(1)* align 1 %x, %class.bc addrspace(1)* align 1 %y)
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// For a reference to an incomplete type in addrspace(0), output nonnull.
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bc & bar2(bc &x, bc & y) {
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return x;
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}
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// NULL-INVALID: define nonnull align 1 %class.bc* @_Z4bar2R2bcS0_(%class.bc* nonnull align 1 %x, %class.bc* nonnull align 1 %y)
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// NULL-VALID: define align 1 %class.bc* @_Z4bar2R2bcS0_(%class.bc* align 1 %x, %class.bc* align 1 %y)
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