xref: /llvm-project/clang/test/Analysis/ctu-onego-small.cpp (revision 56b9b97c1ef594f218eb06d2e62daa85cc238500)
1 // RUN: rm -rf %t && mkdir %t
2 // RUN: mkdir -p %t/ctudir
3 // RUN: %clang_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
4 // RUN:   -emit-pch -o %t/ctudir/ctu-onego-small-other.cpp.ast %S/Inputs/ctu-onego-small-other.cpp
5 // RUN: cp %S/Inputs/ctu-onego-small-other.cpp.externalDefMap.ast-dump.txt %t/ctudir/externalDefMap.txt
6 
7 // Small function defined in another TU.
8 int bar();
9 
10 // Here we limit the ctu analysis to the first phase only (via the
11 // ctu-max-nodes config options). And we check whether the small foreign
12 // function `bar` is inlined.
13 
14 // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
15 // RUN:   -analyzer-checker=core,debug.ExprInspection \
16 // RUN:   -analyzer-config eagerly-assume=false \
17 // RUN:   -analyzer-config experimental-enable-naive-ctu-analysis=true \
18 // RUN:   -analyzer-config ctu-dir=%t/ctudir \
19 // RUN:   -analyzer-config display-ctu-progress=true \
20 // RUN:   -analyzer-display-progress \
21 // RUN:   -analyzer-config ctu-max-nodes-pct=0 \
22 // RUN:   -analyzer-config ctu-max-nodes-min=0 2>&1 %s | FileCheck %s
23 // CHECK: ANALYZE (Path,  Inline_Regular): {{.*}} baruser(int){{.*}}CTU loaded AST file
24 
25 // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
26 // RUN:   -analyzer-checker=core,debug.ExprInspection \
27 // RUN:   -analyzer-config eagerly-assume=false \
28 // RUN:   -analyzer-config experimental-enable-naive-ctu-analysis=true \
29 // RUN:   -analyzer-config ctu-dir=%t/ctudir \
30 // RUN:   -analyzer-config ctu-max-nodes-pct=0 \
31 // RUN:   -analyzer-config ctu-phase1-inlining=none \
32 // RUN:   -analyzer-config ctu-max-nodes-min=0 -verify=inline-none %s
33 
34 // RUN: %clang_analyze_cc1 -std=c++14 -triple x86_64-pc-linux-gnu \
35 // RUN:   -analyzer-checker=core,debug.ExprInspection \
36 // RUN:   -analyzer-config eagerly-assume=false \
37 // RUN:   -analyzer-config experimental-enable-naive-ctu-analysis=true \
38 // RUN:   -analyzer-config ctu-dir=%t/ctudir \
39 // RUN:   -analyzer-config ctu-max-nodes-pct=0 \
40 // RUN:   -analyzer-config ctu-phase1-inlining=small \
41 // RUN:   -analyzer-config ctu-max-nodes-min=0 -verify=inline-small %s
42 
43 
44 void clang_analyzer_eval(int);
45 
baruser(int x)46 void baruser(int x) {
47   int y = bar();
48   // inline-none-warning@+2{{UNKNOWN}}
49   // inline-small-warning@+1{{TRUE}}
50   clang_analyzer_eval(y == 0);
51 }
52