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view clang/test/Analysis/lambdas-generalized-capture.cpp @ 222:81f6424ef0e3 llvm-original
LLVM original branch
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 18 Jul 2021 22:10:01 +0900 |
parents | 1d019706d866 |
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// RUN: %clang_analyze_cc1 -std=c++14 -analyzer-checker=core,deadcode,debug.ExprInspection -verify %s int clang_analyzer_eval(int); void generalizedCapture() { int v = 7; auto lambda = [x=v]() { return x; }; int result = lambda(); clang_analyzer_eval(result == 7); // expected-warning {{TRUE}} } void sideEffectsInGeneralizedCapture() { int v = 7; auto lambda = [x=v++]() { return x; }; clang_analyzer_eval(v == 8); // expected-warning {{TRUE}} int r1 = lambda(); int r2 = lambda(); clang_analyzer_eval(r1 == 7); // expected-warning {{TRUE}} clang_analyzer_eval(r2 == 7); // expected-warning {{TRUE}} clang_analyzer_eval(v == 8); // expected-warning {{TRUE}} } int addOne(int p) { return p + 1; } void inliningInGeneralizedCapture() { int v = 7; auto lambda = [x=addOne(v)]() { return x; }; int result = lambda(); clang_analyzer_eval(result == 8); // expected-warning {{TRUE}} } void caseSplitInGeneralizedCapture(bool p) { auto lambda = [x=(p ? 1 : 2)]() { return x; }; int result = lambda(); clang_analyzer_eval(result == 1); // expected-warning {{FALSE}} expected-warning {{TRUE}} }