r261247 - Make deprecation message for -fsanitize-coverage= with numeric argument friendlier.

[Nico Weber via cfe-commits]

Author: nico
Date: Thu Feb 18 13:32:54 2016
New Revision: 261247

URL: http://llvm.org/viewvc/llvm-project?rev=261247&view=rev
Log:
Make deprecation message for -fsanitize-coverage= with numeric argument friendlier.

http://reviews.llvm.org/D17397

Modified:
    cfe/trunk/lib/Driver/SanitizerArgs.cpp
    cfe/trunk/test/Driver/fsanitize-coverage.c

Modified: cfe/trunk/lib/Driver/SanitizerArgs.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/SanitizerArgs.cpp?rev=261247&r1=261246&r2=261247&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/SanitizerArgs.cpp (original)
+++ cfe/trunk/lib/Driver/SanitizerArgs.cpp Thu Feb 18 13:32:54 2016
@@ -444,23 +444,31 @@ SanitizerArgs::SanitizerArgs(const ToolC
           !StringRef(Arg->getValue(0))
                .getAsInteger(0, LegacySanitizeCoverage) &&
           LegacySanitizeCoverage >= 0 && LegacySanitizeCoverage <= 4) {
-        D.Diag(diag::warn_drv_deprecated_arg)
-            << Arg->getAsString(Args) << "-fsanitize-coverage=[func,bb,edge]";
-        // TODO: Add deprecation notice for this form.
         switch (LegacySanitizeCoverage) {
         case 0:
+          D.Diag(diag::warn_drv_deprecated_arg) << Arg->getAsString(Args)
+                                                << "-fsanitize-coverage=";
           CoverageFeatures = 0;
           break;
         case 1:
+          D.Diag(diag::warn_drv_deprecated_arg) << Arg->getAsString(Args)
+                                                << "-fsanitize-coverage=func";
           CoverageFeatures = CoverageFunc;
           break;
         case 2:
+          D.Diag(diag::warn_drv_deprecated_arg) << Arg->getAsString(Args)
+                                                << "-fsanitize-coverage=bb";
           CoverageFeatures = CoverageBB;
           break;
         case 3:
+          D.Diag(diag::warn_drv_deprecated_arg) << Arg->getAsString(Args)
+                                                << "-fsanitize-coverage=edge";
           CoverageFeatures = CoverageEdge;
           break;
         case 4:
+          D.Diag(diag::warn_drv_deprecated_arg)
+              << Arg->getAsString(Args)
+              << "-fsanitize-coverage=edge,indirect-calls";
           CoverageFeatures = CoverageEdge | CoverageIndirCall;
           break;
         }

Modified: cfe/trunk/test/Driver/fsanitize-coverage.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/fsanitize-coverage.c?rev=261247&r1=261246&r2=261247&view=diff
==============================================================================
--- cfe/trunk/test/Driver/fsanitize-coverage.c (original)
+++ cfe/trunk/test/Driver/fsanitize-coverage.c Thu Feb 18 13:32:54 2016
@@ -22,7 +22,7 @@
 // CHECK-SANITIZE-COVERAGE-FUNC_INDIR: fsanitize-coverage-indirect-calls
 
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=3 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-3
-// CHECK-SANITIZE-COVERAGE-3: warning: argument '-fsanitize-coverage=3' is deprecated, use '-fsanitize-coverage=[func,bb,edge]' instead
+// CHECK-SANITIZE-COVERAGE-3: warning: argument '-fsanitize-coverage=3' is deprecated, use '-fsanitize-coverage=edge' instead
 //
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=address -fsanitize-coverage=5 %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANITIZE-COVERAGE-5
 // CHECK-SANITIZE-COVERAGE-5: error: unsupported argument '5' to option 'fsanitize-coverage='