// RUN: %clang_analyze_cc1 -analyzer-checker=core.BitwiseShift \ // RUN: -analyzer-config core.BitwiseShift:Pedantic=true \ // RUN: -analyzer-checker=debug.ExprInspection \ // RUN: -analyzer-config eagerly-assume=false \ // RUN: -verify=expected,c \ // RUN: -triple x86_64-pc-linux-gnu -x c %s \ // RUN: -Wno-shift-count-negative -Wno-shift-negative-value \ // RUN: -Wno-shift-count-overflow -Wno-shift-overflow \ // RUN: -Wno-shift-sign-overflow // // RUN: %clang_analyze_cc1 -analyzer-checker=core.BitwiseShift \ // RUN: -analyzer-config core.BitwiseShift:Pedantic=true \ // RUN: -analyzer-checker=debug.ExprInspection \ // RUN: -analyzer-config eagerly-assume=false \ // RUN: -verify=expected,cxx \ // RUN: -triple x86_64-pc-linux-gnu -x c++ -std=c++14 %s \ // RUN: -Wno-shift-count-negative -Wno-shift-negative-value \ // RUN: -Wno-shift-count-overflow -Wno-shift-overflow \ // RUN: -Wno-shift-sign-overflow // Tests for validating the state updates provided by the BitwiseShift checker. // These clang_analyzer_value() tests are in a separate file because // debug.ExprInspection repeats each 'warning' with an superfluous 'note', so // note level output (-analyzer-output=text) is not enabled in this file. void clang_analyzer_value(int); void clang_analyzer_eval(int); int state_update_generic(int left, int right) { int x = left << right; clang_analyzer_value(left); // expected-warning {{32s:{ [0, 2147483647] } }} clang_analyzer_value(right); // expected-warning {{32s:{ [0, 31] } }} return x; } int state_update_exact_shift(int arg) { int x = 65535 << arg; clang_analyzer_value(arg); // c-warning@-1 {{32s:{ [0, 15] } }} // cxx-warning@-2 {{32s:{ [0, 16] } }} return x; }