| 1 | // RUN: %clang_cc1 -triple %itanium_abi_triple -verify %s |
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| 2 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o - -std=c++98 | FileCheck %s --check-prefix=CHECK-CXX98 |
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| 3 | // RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o - -std=c++11 | FileCheck %s --check-prefix=CHECK-CXX11 |
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| 4 | // expected-no-diagnostics |
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| 5 | |
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| 6 | #if __cplusplus >= 201103L |
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| 7 | // CHECK-CXX11: @_ZZ15InitRefWithListvE1r = internal constant i32* @_ZGRZ15InitRefWithListvE1r_ |
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| 8 | // CHECK-CXX11: @_ZGRZ15InitRefWithListvE1r_ = internal constant i32 123 |
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| 9 | int InitRefWithList() { static const int &r = {123}; return r; } |
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| 10 | #endif |
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| 11 | |
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| 12 | struct XPTParamDescriptor {}; |
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| 13 | struct nsXPTParamInfo { |
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| 14 | nsXPTParamInfo(const XPTParamDescriptor& desc); |
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| 15 | }; |
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| 16 | void a(XPTParamDescriptor *params) { |
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| 17 | const nsXPTParamInfo& paramInfo = params[0]; |
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| 18 | } |
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| 19 | |
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| 20 | // CodeGen of reference initialized const arrays. |
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| 21 | namespace PR5911 { |
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| 22 | template <typename T, int N> int f(const T (&a)[N]) { return N; } |
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| 23 | int iarr[] = { 1 }; |
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| 24 | int test() { return f(iarr); } |
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| 25 | } |
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| 26 | |
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| 27 | // radar 7574896 |
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| 28 | struct Foo { int foo; }; |
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| 29 | Foo& ignoreSetMutex = *(new Foo); |
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| 30 | |
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| 31 | // Binding to a bit-field that requires a temporary. |
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| 32 | struct { int bitfield : 3; } s = { 3 }; |
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| 33 | const int &s2 = s.bitfield; |
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| 34 | |
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| 35 | // In C++98, this forms a reference to itself. In C++11 onwards, this performs |
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| 36 | // copy-construction. |
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| 37 | struct SelfReference { SelfReference &r; }; |
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| 38 | extern SelfReference self_reference_1; |
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| 39 | SelfReference self_reference_2 = {self_reference_1}; |
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| 40 | // CHECK-CXX98: @self_reference_2 = {{.*}}global %[[SELF_REF:.*]] { %[[SELF_REF]]* @self_reference_1 } |
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| 41 | // CHECK-CXX11: @self_reference_2 = {{(dso_local )?}}global %[[SELF_REF:.*]] zeroinitializer |
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| 42 | // CHECK-CXX11: call {{.*}}memcpy{{.*}} @self_reference_2 {{.*}} @self_reference_1 |
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| 43 | |
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