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| author | Vitaly Buka <vitalybuka@google.com> | 2017-09-01 01:47:34 +0000 |
|---|---|---|
| committer | Vitaly Buka <vitalybuka@google.com> | 2017-09-01 01:47:34 +0000 |
| commit | fe70e7d53a5e6a06451ca85ee1df05c63d40ac13 (patch) | |
| tree | 693834d9f436859ba33cfb3ca03705e570a07f53 /tools/bugpoint | |
| parent | 59cb965ee9d7da460d24607300a4fb5ad6a683d7 (diff) | |
Fix check-llvm on kernel 4.9+ with asan or msan
Summary:
Before https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=v4.9.46&id=84638335900f1995495838fe1bd4870c43ec1f67
test worked because memory allocated with mmap was not counted against RLIMIT_DATA.
Reviewers: eugenis
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D37366
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312303 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/bugpoint')
| -rw-r--r-- | tools/bugpoint/bugpoint.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/tools/bugpoint/bugpoint.cpp b/tools/bugpoint/bugpoint.cpp index 4ddea8dbec1..ec1ca2e5496 100644 --- a/tools/bugpoint/bugpoint.cpp +++ b/tools/bugpoint/bugpoint.cpp @@ -50,10 +50,10 @@ static cl::opt<unsigned> TimeoutValue( cl::desc("Number of seconds program is allowed to run before it " "is killed (default is 300s), 0 disables timeout")); -static cl::opt<int> - MemoryLimit("mlimit", cl::init(-1), cl::value_desc("MBytes"), - cl::desc("Maximum amount of memory to use. 0 disables check." - " Defaults to 400MB (800MB under valgrind).")); +static cl::opt<int> MemoryLimit( + "mlimit", cl::init(-1), cl::value_desc("MBytes"), + cl::desc("Maximum amount of memory to use. 0 disables check. Defaults to " + "400MB (800MB under valgrind, 0 with sanitizers).")); static cl::opt<bool> UseValgrind("enable-valgrind", @@ -169,6 +169,12 @@ int main(int argc, char **argv) { MemoryLimit = 800; else MemoryLimit = 400; +#if (LLVM_ADDRESS_SANITIZER_BUILD || LLVM_MEMORY_SANITIZER_BUILD || \ + LLVM_THREAD_SANITIZER_BUILD) + // Starting from kernel 4.9 memory allocated with mmap is counted against + // RLIMIT_DATA. Sanitizers need to allocate tens of terabytes for shadow. + MemoryLimit = 0; +#endif } BugDriver D(argv[0], FindBugs, TimeoutValue, MemoryLimit, UseValgrind, |