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Summary: We introduce a strict policy for C++ CTU. It can work across TUs only if the C++ dialects are the same. We neither allow C vs C++ CTU. We do this because the same constructs might be represented with different properties in the corresponding AST nodes or even the nodes might be completely different (a struct will be RecordDecl in C, but it will be a CXXRectordDecl in C++, thus it may cause certain assertions during cast operations). Reviewers: xazax.hun, a_sidorin Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits Differential Revision: https://reviews.llvm.org/D55134 llvm-svn: 348610
21 lines
849 B
C++
21 lines
849 B
C++
// RUN: rm -rf %t && mkdir %t
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// RUN: mkdir -p %t/ctudir
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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu \
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// RUN: -emit-pch -o %t/ctudir/ctu-other.cpp.ast %S/Inputs/ctu-other.cpp
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// RUN: cp %S/Inputs/ctu-other.cpp.externalFnMap.txt %t/ctudir/externalFnMap.txt
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// RUN: %clang_analyze_cc1 -triple powerpc64-montavista-linux-gnu \
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// RUN: -analyzer-checker=core,debug.ExprInspection \
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// RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \
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// RUN: -analyzer-config ctu-dir=%t/ctudir \
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// RUN: -Werror=ctu \
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// RUN: -verify %s
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// We expect an error in this file, but without a location.
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// expected-error-re@./ctu-different-triples.cpp:*{{imported AST from {{.*}} had been generated for a different target, current: powerpc64-montavista-linux-gnu, imported: x86_64-pc-linux-gnu}}
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int f(int);
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int main() {
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return f(5);
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}
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