[Analyzer] Change the default SA checkers for PS4

[seaneveson]

Summary

This patch removes security.*, unix.API and unix.Vfork from the default checkers for PS4.

[zaks.anna]

lib/Driver/Tools.cpp

3609

These are no longer experimental. Could you remove this comment along with your change?

[seaneveson]

Removing old "experimental" comment

[ygribov]

What's the problem with Vfork though?

lib/Driver/Tools.cpp

       if (!IsWindowsMSVC)
         CmdArgs.push_back("-analyzer-checker=unix");
 
+      // Disable some unix checkers for PS4.
+      if (IsPS4CPU) {
+        CmdArgs.push_back("-analyzer-disable-checker=unix.API");
+        CmdArgs.push_back("-analyzer-disable-checker=unix.Vfork");
+      }
+
       if (getToolChain().getTriple().getVendor() == llvm::Triple::Apple)
         CmdArgs.push_back("-analyzer-checker=osx");
 

       if (types::isCXX(Input.getType()))
         CmdArgs.push_back("-analyzer-checker=cplusplus");
 
-      // Enable the following experimental checkers for testing.
+      if (!IsPS4CPU) {
         CmdArgs.push_back(
             "-analyzer-checker=security.insecureAPI.UncheckedReturn");
         CmdArgs.push_back("-analyzer-checker=security.insecureAPI.getpw");
         CmdArgs.push_back("-analyzer-checker=security.insecureAPI.gets");
         CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mktemp");
         CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mkstemp");
         CmdArgs.push_back("-analyzer-checker=security.insecureAPI.vfork");
+      }
 
       // Default nullability checks.
       CmdArgs.push_back("-analyzer-checker=nullability.NullPassedToNonnull");

test/Driver/ps4-analyzer-defaults.cpp

+// Check that the default analyzer checkers for PS4 are:
+//   core
+//   cplusplus
+//   deadcode
+//   nullability
+//   unix
+// Excluding:
+//   unix.API
+//   unix.Vfork
+
+// Check for expected checkers
+// RUN: %clang -target x86_64-scei-ps4 --analyze %s -### 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-PS4-POS-CHECKERS
+//
+// Negative check for unexpected checkers
+// RUN: %clang -target x86_64-scei-ps4 --analyze %s -### 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-PS4-NEG-CHECKERS
+//
+// Check for all unix checkers except API and Vfork
+// RUN: %clang -target x86_64-scei-ps4 --analyze %s -### 2>&1 \
+// RUN:   | FileCheck %s --check-prefix=CHECK-PS4-UNIX-CHECKERS
+
+// CHECK-PS4-POS-CHECKERS-DAG: analyzer-checker=core
+// CHECK-PS4-POS-CHECKERS-DAG: analyzer-checker=cplusplus
+// CHECK-PS4-POS-CHECKERS-DAG: analyzer-checker=deadcode
+// CHECK-PS4-POS-CHECKERS-DAG: analyzer-checker=nullability
+//
+// CHECK-PS4-NEG-CHECKERS-NOT: analyzer-checker={{osx|security}}
+//
+// CHECK-PS4-UNIX-CHECKERS: analyzer-checker=unix
+// CHECK-PS4-UNIX-CHECKERS-DAG: analyzer-disable-checker=unix.API
+// CHECK-PS4-UNIX-CHECKERS-DAG: analyzer-disable-checker=unix.Vfork
+// CHECK-PS4-UNIX-CHECKERS-NOT: analyzer-checker=unix.{{API|Vfork}}