commit 50fb618b93d513752ca01ddeae50287214d752e3
author Kostya Serebryany <kcc@google.com> Fri May 05 23:28:18 2017 +0000
committer Kostya Serebryany <kcc@google.com> Fri May 05 23:28:18 2017 +0000
tree 3eb78db9824dd5655ff4f098ba52b9af5d8b1165
parent 424bfed693f98eb10660c1fb63e8eaa76cdc17a1

[sanitizer-coverage] implement -fsanitize-coverage=no-prune,... instead of a hidden -mllvm flag. clang part.

llvm-svn: 302320

clang/lib/CodeGen/BackendUtil.cpp

diff --git a/clang/lib/CodeGen/BackendUtil.cpp b/clang/lib/CodeGen/BackendUtil.cpp
index aa5b526..0d96f2e 100644
--- a/clang/lib/CodeGen/BackendUtil.cpp
+++ b/clang/lib/CodeGen/BackendUtil.cpp
@@ -185,6 +185,7 @@
   Opts.Use8bitCounters = CGOpts.SanitizeCoverage8bitCounters;
   Opts.TracePC = CGOpts.SanitizeCoverageTracePC;
   Opts.TracePCGuard = CGOpts.SanitizeCoverageTracePCGuard;
+  Opts.NoPrune = CGOpts.SanitizeCoverageNoPrune;
   PM.add(createSanitizerCoverageModulePass(Opts));
 }
 

clang/lib/Driver/SanitizerArgs.cpp

diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index 4dd4929..c298302c 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -55,6 +55,7 @@
   Coverage8bitCounters = 1 << 8,
   CoverageTracePC = 1 << 9,
   CoverageTracePCGuard = 1 << 10,
+  CoverageNoPrune = 1 << 11,
 };
 
 /// Parse a -fsanitize= or -fno-sanitize= argument's values, diagnosing any
@@ -629,7 +630,8 @@
     std::make_pair(CoverageTraceGep, "-fsanitize-coverage-trace-gep"),
     std::make_pair(Coverage8bitCounters, "-fsanitize-coverage-8bit-counters"),
     std::make_pair(CoverageTracePC, "-fsanitize-coverage-trace-pc"),
-    std::make_pair(CoverageTracePCGuard, "-fsanitize-coverage-trace-pc-guard")};
+    std::make_pair(CoverageTracePCGuard, "-fsanitize-coverage-trace-pc-guard"),
+    std::make_pair(CoverageNoPrune, "-fsanitize-coverage-no-prune")};
   for (auto F : CoverageFlags) {
     if (CoverageFeatures & F.first)
       CmdArgs.push_back(Args.MakeArgString(F.second));
@@ -786,6 +788,7 @@
         .Case("8bit-counters", Coverage8bitCounters)
         .Case("trace-pc", CoverageTracePC)
         .Case("trace-pc-guard", CoverageTracePCGuard)
+        .Case("no-prune", CoverageNoPrune)
         .Default(0);
     if (F == 0)
       D.Diag(clang::diag::err_drv_unsupported_option_argument)

clang/lib/Frontend/CompilerInvocation.cpp

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index d3ebf48..96854b8 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -766,6 +766,7 @@
   Opts.SanitizeCoverageTracePC = Args.hasArg(OPT_fsanitize_coverage_trace_pc);
   Opts.SanitizeCoverageTracePCGuard =
       Args.hasArg(OPT_fsanitize_coverage_trace_pc_guard);
+  Opts.SanitizeCoverageNoPrune = Args.hasArg(OPT_fsanitize_coverage_no_prune);
   Opts.SanitizeMemoryTrackOrigins =
       getLastArgIntValue(Args, OPT_fsanitize_memory_track_origins_EQ, 0, Diags);
   Opts.SanitizeMemoryUseAfterDtor =