e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
43 lines
1.6 KiB
C++
43 lines
1.6 KiB
C++
// RUN: %clang_cc1 -triple %itanium_abi_triple -verify %s
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// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o - -std=c++98 | FileCheck %s --check-prefix=CHECK-CXX98
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// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm %s -o - -std=c++11 | FileCheck %s --check-prefix=CHECK-CXX11
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// expected-no-diagnostics
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#if __cplusplus >= 201103L
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// CHECK-CXX11: @_ZZ15InitRefWithListvE1r = internal constant ptr @_ZGRZ15InitRefWithListvE1r_
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// CHECK-CXX11: @_ZGRZ15InitRefWithListvE1r_ = internal constant i32 123
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int InitRefWithList() { static const int &r = {123}; return r; }
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#endif
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struct XPTParamDescriptor {};
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struct nsXPTParamInfo {
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nsXPTParamInfo(const XPTParamDescriptor& desc);
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};
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void a(XPTParamDescriptor *params) {
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const nsXPTParamInfo& paramInfo = params[0];
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}
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// CodeGen of reference initialized const arrays.
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namespace PR5911 {
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template <typename T, int N> int f(const T (&a)[N]) { return N; }
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int iarr[] = { 1 };
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int test() { return f(iarr); }
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}
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// radar 7574896
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struct Foo { int foo; };
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Foo& ignoreSetMutex = *(new Foo);
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// Binding to a bit-field that requires a temporary.
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struct { int bitfield : 3; } s = { 3 };
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const int &s2 = s.bitfield;
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// In C++98, this forms a reference to itself. In C++11 onwards, this performs
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// copy-construction.
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struct SelfReference { SelfReference &r; };
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extern SelfReference self_reference_1;
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SelfReference self_reference_2 = {self_reference_1};
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// CHECK-CXX98: @self_reference_2 = {{.*}}global %[[SELF_REF:.*]] { ptr @self_reference_1 }
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// CHECK-CXX11: @self_reference_2 = {{(dso_local )?}}global %[[SELF_REF:.*]] zeroinitializer
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// CHECK-CXX11: call {{.*}}memcpy{{.*}} @self_reference_2, {{.*}} @self_reference_1
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