From fa785cb22d50c657eb08c762d627cd6aa96982f3 Mon Sep 17 00:00:00 2001 From: Jan Wen Voung Date: Fri, 8 Mar 2013 22:56:31 +0000 Subject: Disable statistics on Release builds and move tests that depend on -stats. Summary: Statistics are still available in Release+Asserts (any +Asserts builds), and stats can also be turned on with LLVM_ENABLE_STATS. Move some of the FastISel stats that were moved under DEBUG() back out of DEBUG(), since stats are disabled across the board now. Many tests depend on grepping "-stats" output. Move those into a orig_dir/Stats/. so that they can be marked as unsupported when building without statistics. Differential Revision: http://llvm-reviews.chandlerc.com/D486 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176733 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Support/Statistic.cpp | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'lib/Support/Statistic.cpp') diff --git a/lib/Support/Statistic.cpp b/lib/Support/Statistic.cpp index 3a6522101d..9c28176b73 100644 --- a/lib/Support/Statistic.cpp +++ b/lib/Support/Statistic.cpp @@ -40,7 +40,9 @@ namespace llvm { extern raw_ostream *CreateInfoOutputFile(); } /// what they did. /// static cl::opt -Enabled("stats", cl::desc("Enable statistics output from program")); +Enabled( + "stats", + cl::desc("Enable statistics output from program (available with Asserts)")); namespace { @@ -142,6 +144,7 @@ void llvm::PrintStatistics(raw_ostream &OS) { } void llvm::PrintStatistics() { +#if !defined(NDEBUG) || defined(LLVM_ENABLE_STATS) StatisticInfo &Stats = *StatInfo; // Statistics not enabled? @@ -151,4 +154,17 @@ void llvm::PrintStatistics() { raw_ostream &OutStream = *CreateInfoOutputFile(); PrintStatistics(OutStream); delete &OutStream; // Close the file. +#else + // Check if the -stats option is set instead of checking + // !Stats.Stats.empty(). In release builds, Statistics operators + // do nothing, so stats are never Registered. + if (Enabled) { + // Get the stream to write to. + raw_ostream &OutStream = *CreateInfoOutputFile(); + OutStream << "Statistics are disabled. " + << "Build with asserts or with -DLLVM_ENABLE_STATS\n"; + OutStream.flush(); + delete &OutStream; // Close the file. + } +#endif } -- cgit v1.2.3-70-g09d2