| // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \ |
| // RUN: -analyzer-checker=core,debug.ExprInspection \ |
| // RUN: -analyzer-config eagerly-assume=false \ |
| // RUN: -analyze-function='baruser(int)' -x c++ \ |
| // RUN: -verify=nonctu %s |
| |
| // RUN: rm -rf %t && mkdir %t |
| // RUN: mkdir -p %t/ctudir |
| // RUN: %clang_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \ |
| // RUN: -emit-pch -o %t/ctudir/ctu-onego-existingdef-other.cpp.ast %S/Inputs/ctu-onego-existingdef-other.cpp |
| // RUN: cp %S/Inputs/ctu-onego-existingdef-other.cpp.externalDefMap.ast-dump.txt %t/ctudir/externalDefMap.txt |
| |
| // Existing and equal function definition in both TU. `other` calls `bar` thus |
| // `bar` will be indirectly imported. During the import we recognize that there |
| // is an existing definition in the main TU, so we don't create a new Decl. |
| // Thus, ctu should not bifurcate on the call of `bar` it should directly |
| // inlinie that as in the case of nonctu. |
| // Note, we would not get a warning below, if `bar` is conservatively evaluated. |
| int bar() { |
| return 0; |
| } |
| |
| //Here we completely supress the CTU work list execution. We should not |
| //bifurcate on the call of `bar`. (We do not load the foreign AST at all.) |
| // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \ |
| // RUN: -analyzer-checker=core,debug.ExprInspection \ |
| // RUN: -analyzer-config eagerly-assume=false \ |
| // RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \ |
| // RUN: -analyzer-config ctu-dir=%t/ctudir \ |
| // RUN: -verify=stu %s \ |
| // RUN: -analyze-function='baruser(int)' -x c++ \ |
| // RUN: -analyzer-config ctu-max-nodes-pct=0 \ |
| // RUN: -analyzer-config ctu-max-nodes-min=0 |
| |
| //Here we enable the CTU work list execution. We should not bifurcate on the |
| //call of `bar`. |
| // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \ |
| // RUN: -analyzer-checker=core,debug.ExprInspection \ |
| // RUN: -analyzer-config eagerly-assume=false \ |
| // RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \ |
| // RUN: -analyzer-config ctu-dir=%t/ctudir \ |
| // RUN: -verify=ctu %s \ |
| // RUN: -analyze-function='baruser(int)' -x c++ \ |
| // RUN: -analyzer-config ctu-max-nodes-pct=100 \ |
| // RUN: -analyzer-config ctu-max-nodes-min=1000 |
| //Check that the AST file is loaded. |
| // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \ |
| // RUN: -analyzer-checker=core,debug.ExprInspection \ |
| // RUN: -analyzer-config eagerly-assume=false \ |
| // RUN: -analyzer-config experimental-enable-naive-ctu-analysis=true \ |
| // RUN: -analyzer-config ctu-dir=%t/ctudir \ |
| // RUN: -analyze-function='baruser(int)' -x c++ \ |
| // RUN: -analyzer-config ctu-max-nodes-pct=100 \ |
| // RUN: -analyzer-config display-ctu-progress=true \ |
| // RUN: -analyzer-config ctu-max-nodes-min=1000 2>&1 %s | FileCheck %s |
| // CHECK: CTU loaded AST file |
| |
| void other(); // Defined in the other TU. |
| |
| void baruser(int) { |
| other(); |
| int x = bar(); |
| (void)(1 / x); |
| // ctu-warning@-1{{Division by zero}} |
| // stu-warning@-2{{Division by zero}} |
| // nonctu-warning@-3{{Division by zero}} |
| } |