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[Analyzer][Z3] Test fixes for Z3 constraint manager

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Summary:
Since Z3 tests have been not been running [1] some tests needed to be
updated. I also added a regression test for [1].

[1] https://reviews.llvm.org/D47722

Reviewers: george.karpenkov, NoQ, ddcc

Reviewed By: george.karpenkov

Subscribers: mikhail.ramalho, dcoughlin, xazax.hun, szepet, zzheng, a.sidorin, cfe-commits

Differential Revision: https://reviews.llvm.org/D47726

llvm-svn: 334067
This commit is contained in:
Vlad Tsyrklevich 2018-06-06 06:25:51 +00:00
parent 80a764bab1
commit a7d25d5934
4 changed files with 12 additions and 0 deletions
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1
clang/test/Analysis/PR24184.cpp
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@ -1,3 +1,4 @@
// UNSUPPORTED: z3
// RUN: %clang_analyze_cc1 -w -analyzer-eagerly-assume -fcxx-exceptions -analyzer-checker=core -analyzer-checker=alpha.core.PointerArithm,alpha.core.CastToStruct -analyzer-max-loop 64 -verify %s
// RUN: %clang_analyze_cc1 -w -analyzer-checker=core -analyzer-checker=cplusplus -fcxx-exceptions -analyzer-checker alpha.core.PointerArithm,alpha.core.CastToStruct -analyzer-max-loop 63 -verify %s

4
clang/test/Analysis/constant-folding.c
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@ -108,7 +108,11 @@ void testBitwiseRules(unsigned int a, int b) {
clang_analyzer_eval((b | -2) == 0); // expected-warning{{FALSE}}
clang_analyzer_eval((b | 10) == 0); // expected-warning{{FALSE}}
clang_analyzer_eval((b | 0) == 0); // expected-warning{{UNKNOWN}}
#ifdef ANALYZER_CM_Z3
clang_analyzer_eval((b | -2) >= 0); // expected-warning{{FALSE}}
#else
clang_analyzer_eval((b | -2) >= 0); // expected-warning{{UNKNOWN}}
#endif
// Check that dynamically computed constants also work.
int constant = 1 << 3;

4
clang/test/Analysis/loop-unrolling.cpp
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@ -368,7 +368,11 @@ int nested_inlined_unroll1() {
int nested_inlined_no_unroll1() {
int k;
for (int i = 0; i < 9; i++) {
#ifdef ANALYZER_CM_Z3
clang_analyzer_numTimesReached(); // expected-warning {{13}}
#else
clang_analyzer_numTimesReached(); // expected-warning {{15}}
#endif
k = simple_unknown_bound_loop(); // reevaluation without inlining, splits the state as well
}
int a = 22 / k; // no-warning

3
clang/test/Analysis/z3/enabled.c Normal file
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@ -0,0 +1,3 @@
// REQUIRES: z3
// RUN: echo %clang_analyze_cc1 | FileCheck %s
// CHECK: -analyzer-constraints=z3