forked from OSchip/llvm-project
55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
// 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-toplevel-other.cpp.ast %S/Inputs/ctu-onego-toplevel-other.cpp
|
|
// RUN: cp %S/Inputs/ctu-onego-toplevel-other.cpp.externalDefMap.ast-dump.txt %t/ctudir/externalDefMap.txt
|
|
|
|
// 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: -analyzer-config ctu-phase1-inlining=none \
|
|
// RUN: -verify=ctu %s
|
|
|
|
// 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: -analyzer-config ctu-phase1-inlining=none \
|
|
// RUN: -analyzer-config display-ctu-progress=true \
|
|
// RUN: -analyzer-display-progress \
|
|
// RUN: -verify=ctu %s 2>&1 | FileCheck %s
|
|
|
|
// CallGraph: c->b
|
|
// topological sort: c, b
|
|
// Note that `other` calls into `b` but that is not visible in the CallGraph
|
|
// because that happens in another TU.
|
|
|
|
// During the onego CTU analysis, we start with c() as top level function.
|
|
// Then we visit b() as non-toplevel during the processing of the FWList, thus
|
|
// that would not be visited as toplevel without special care.
|
|
|
|
// `c` is analyzed as toplevel and during that the other TU is loaded:
|
|
// CHECK: ANALYZE (Path, Inline_Regular): {{.*}} c(int){{.*}}CTU loaded AST file
|
|
// next, `b` is analyzed as toplevel:
|
|
// CHECK: ANALYZE (Path, Inline_Regular): {{.*}} b(int)
|
|
|
|
void b(int x);
|
|
void other(int y);
|
|
void c(int y) {
|
|
other(y);
|
|
return;
|
|
// The below call is here to form the proper CallGraph, but will not be
|
|
// analyzed.
|
|
b(1);
|
|
}
|
|
|
|
void b(int x) {
|
|
if (x == 0)
|
|
(void)(1 / x);
|
|
// ctu-warning@-1{{Division by zero}}
|
|
// We receive the above warning only if `b` is analyzed as top-level.
|
|
}
|