207e7b1fa1
This patch adds a base-class called TemplateInstantiationObserver which gets notified whenever a template instantiation is entered or exited during semantic analysis. This is a base class used to implement the template profiling and debugging tool called Templight (https://github.com/mikael-s-persson/templight). The patch also makes a few more changes: * ActiveTemplateInstantiation class is moved out of the Sema class (so it can be used with inclusion of Sema.h). * CreateFrontendAction function in front-end utilities is given external linkage (not longer a hidden static function). * TemplateInstObserverChain data member added to Sema class to hold the list of template-inst observers. * Notifications to the template-inst observer are added at the key places where templates are instantiated. Patch by: Abel Sinkovics! Differential Revision: https://reviews.llvm.org/D5767 llvm-svn: 324808
85 lines
3.5 KiB
C++
85 lines
3.5 KiB
C++
// RUN: %clang_cc1 -templight-dump %s 2>&1 | FileCheck %s
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template <int N>
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struct foo : foo<N - 1> {};
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template <>
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struct foo<0> {};
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<2>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+Begin$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:84:8'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<2>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+End$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:84:8'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<2>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+Begin$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:84:8'$}}
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//
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<1>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+Begin$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<1>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+End$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<1>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+Begin$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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//
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<0>'$}}
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// CHECK: {{^kind:[ ]+Memoization$}}
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// CHECK: {{^event:[ ]+Begin$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:7:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<0>'$}}
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// CHECK: {{^kind:[ ]+Memoization$}}
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// CHECK: {{^event:[ ]+End$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:7:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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//
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<1>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+End$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<1>'$}}
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// CHECK: {{^kind:[ ]+Memoization$}}
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// CHECK: {{^event:[ ]+Begin$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<1>'$}}
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// CHECK: {{^kind:[ ]+Memoization$}}
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// CHECK: {{^event:[ ]+End$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:4:14'$}}
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// CHECK-LABEL: {{^---$}}
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// CHECK: {{^name:[ ]+'foo<2>'$}}
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// CHECK: {{^kind:[ ]+TemplateInstantiation$}}
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// CHECK: {{^event:[ ]+End$}}
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// CHECK: {{^orig:[ ]+'.*templight-nested-template-instantiation.cpp:4:8'}}
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// CHECK: {{^poi:[ ]+'.*templight-nested-template-instantiation.cpp:84:8'$}}
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foo<2> x;
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