eadd3cace9
__cxxabiv1::__fundamental_type_info in every translation unit. Previously, we would perform name lookup for __cxxabiv1::__fundamental_type_info at the end of IRGen for a each translation unit, to determine whether it was present. If so, we we produce type information for all of the fundamental types. However, this name lookup causes PCH deserialization of a significant part of the translation unit, which has a woeful impact on performance. With this change, we now look at each record type after we've generated its vtable to see if it is __cxxabiv1::__fundamental_type_info. If so, we generate type info for all of the fundamental types. This works because __cxxabiv1::__fundamental_type_info should always have a key function (typically the virtual destructor), that will be defined once in the support library. The fundamental type information will end up there. Fixes <rdar://problem/7840011>. llvm-svn: 100772
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
// RUN: %clang_cc1 %s -I%S -triple=x86_64-apple-darwin10 -emit-llvm -o - | FileCheck %s
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#include <typeinfo>
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std::type_info foo() {
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return typeid(void);
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}
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namespace __cxxabiv1 {
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struct __fundamental_type_info {
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virtual ~__fundamental_type_info();
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};
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__fundamental_type_info::~__fundamental_type_info() { }
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}
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// CHECK: @_ZTIv = weak_odr constant
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// CHECK: @_ZTIPv = weak_odr constant
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// CHECK: @_ZTIPKv = weak_odr constant
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// CHECK: @_ZTIDi = weak_odr constant
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// CHECK: @_ZTIPDi = weak_odr constant
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// CHECK: @_ZTIPKDi = weak_odr constant
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// CHECK: @_ZTIDs = weak_odr constant
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// CHECK: @_ZTIPDs = weak_odr constant
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// CHECK: @_ZTIPKDs = weak_odr constant
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// CHECK: @_ZTIy = weak_odr constant
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// CHECK: @_ZTIPy = weak_odr constant
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// CHECK: @_ZTIPKy = weak_odr constant
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// CHECK: @_ZTIx = weak_odr constant
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// CHECK: @_ZTIPx = weak_odr constant
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// CHECK: @_ZTIPKx = weak_odr constant
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// CHECK: @_ZTIw = weak_odr constant
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// CHECK: @_ZTIPw = weak_odr constant
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// CHECK: @_ZTIPKw = weak_odr constant
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// CHECK: @_ZTIt = weak_odr constant
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// CHECK: @_ZTIPt = weak_odr constant
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// CHECK: @_ZTIPKt = weak_odr constant
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// CHECK: @_ZTIs = weak_odr constant
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// CHECK: @_ZTIPs = weak_odr constant
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// CHECK: @_ZTIPKs = weak_odr constant
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// CHECK: @_ZTIm = weak_odr constant
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// CHECK: @_ZTIPm = weak_odr constant
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// CHECK: @_ZTIPKm = weak_odr constant
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// CHECK: @_ZTIl = weak_odr constant
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// CHECK: @_ZTIPl = weak_odr constant
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// CHECK: @_ZTIPKl = weak_odr constant
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// CHECK: @_ZTIj = weak_odr constant
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// CHECK: @_ZTIPj = weak_odr constant
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// CHECK: @_ZTIPKj = weak_odr constant
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// CHECK: @_ZTIi = weak_odr constant
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// CHECK: @_ZTIPi = weak_odr constant
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// CHECK: @_ZTIPKi = weak_odr constant
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// CHECK: @_ZTIh = weak_odr constant
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// CHECK: @_ZTIPh = weak_odr constant
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// CHECK: @_ZTIPKh = weak_odr constant
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// CHECK: @_ZTIf = weak_odr constant
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// CHECK: @_ZTIPf = weak_odr constant
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// CHECK: @_ZTIPKf = weak_odr constant
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// CHECK: @_ZTIe = weak_odr constant
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// CHECK: @_ZTIPe = weak_odr constant
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// CHECK: @_ZTIPKe = weak_odr constant
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// CHECK: @_ZTId = weak_odr constant
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// CHECK: @_ZTIPd = weak_odr constant
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// CHECK: @_ZTIPKd = weak_odr constant
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// CHECK: @_ZTIc = weak_odr constant
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// CHECK: @_ZTIPc = weak_odr constant
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// CHECK: @_ZTIPKc = weak_odr constant
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// CHECK: @_ZTIb = weak_odr constant
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// CHECK: @_ZTIPb = weak_odr constant
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// CHECK: @_ZTIPKb = weak_odr constant
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// CHECK: @_ZTIa = weak_odr constant
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// CHECK: @_ZTIPa = weak_odr constant
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// CHECK: @_ZTIPKa = weak_odr constant
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