clang/test/Analysis/ctu-onego-small.cpp

   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
  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 }