[PATCH] D47726: [Analyzer][Z3] Test fixes for Z3 constraint manager

[Vlad Tsyrklevich via Phabricator via cfe-commits]

vlad.tsyrklevich created this revision.
vlad.tsyrklevich added reviewers: george.karpenkov, NoQ, ddcc.
Herald added subscribers: cfe-commits, a.sidorin, zzheng, szepet, xazax.hun.

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


Repository:
  rC Clang

https://reviews.llvm.org/D47726

Files:
  test/Analysis/PR24184.cpp
  test/Analysis/constant-folding.c
  test/Analysis/loop-unrolling.cpp
  test/Analysis/z3/enabled.c


Index: test/Analysis/z3/enabled.c
===================================================================
--- /dev/null
+++ test/Analysis/z3/enabled.c
@@ -0,0 +1,3 @@
+// REQUIRES: z3
+// RUN: echo %clang_analyze_cc1 | FileCheck %s
+// CHECK: -analyzer-constraints=z3
Index: test/Analysis/loop-unrolling.cpp
===================================================================
--- test/Analysis/loop-unrolling.cpp
+++ test/Analysis/loop-unrolling.cpp
@@ -368,7 +368,11 @@
 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
Index: test/Analysis/constant-folding.c
===================================================================
--- test/Analysis/constant-folding.c
+++ test/Analysis/constant-folding.c
@@ -108,7 +108,11 @@
   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;
Index: test/Analysis/PR24184.cpp
===================================================================
--- test/Analysis/PR24184.cpp
+++ test/Analysis/PR24184.cpp
@@ -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
 


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