File: svalbuilder-simplify-intsym.cpp

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (20 lines) | stat: -rw-r--r-- 651 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// RUN: %clang_analyze_cc1 %s \
// RUN:   -analyzer-checker=core \
// RUN:   -analyzer-checker=debug.ExprInspection \
// RUN:   -analyzer-config eagerly-assume=false \
// RUN:   -verify

// Here we test whether the SValBuilder is capable to simplify existing
// IntSym expressions based on a newly added constraint on the sub-expression.

void clang_analyzer_eval(bool);

void test_SValBuilder_simplifies_IntSym(int x, int y) {
  // Most IntSym BinOps are transformed to SymInt in SimpleSValBuilder.
  // Division is one exception.
  x = 77 / y;
  if (y != 1)
    return;
  clang_analyzer_eval(x == 77); // expected-warning{{TRUE}}
  (void)(x * y);
}