diff options
| author |   patrick <patrick@openbsd.org> | 2017-01-24 08:32:59 +0000 |
|---|---|---|
| committer | patrick <patrick@openbsd.org> | 2017-01-24 08:32:59 +0000 |
| commit | 53d771aafdbe5b919f264f53cba3788e2c4cffd2 (patch) | |
| tree | 7eca39498be0ff1e3a6daf583cd9ca5886bb2636 /gnu/llvm/lib/Support/Threading.cpp | |
| parent | In preparation of compiling our kernels with -ffreestanding, explicitly map (diff) | |
| download | wireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.tar.xz wireguard-openbsd-53d771aafdbe5b919f264f53cba3788e2c4cffd2.zip | |
Import LLVM 4.0.0 rc1 including clang and lld to help the current
development effort on OpenBSD/arm64.
Diffstat (limited to 'gnu/llvm/lib/Support/Threading.cpp')
| -rw-r--r-- | gnu/llvm/lib/Support/Threading.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gnu/llvm/lib/Support/Threading.cpp b/gnu/llvm/lib/Support/Threading.cpp index e8f5622d0e5..760f9e2c388 100644 --- a/gnu/llvm/lib/Support/Threading.cpp +++ b/gnu/llvm/lib/Support/Threading.cpp @@ -15,6 +15,7 @@ #include "llvm/Support/Threading.h" #include "llvm/Config/config.h" #include "llvm/Support/Atomic.h" +#include "llvm/Support/Host.h" #include "llvm/Support/Mutex.h" #include "llvm/Support/thread.h" #include <cassert> @@ -116,3 +117,13 @@ void llvm::llvm_execute_on_thread(void (*Fn)(void*), void *UserData, } #endif + +unsigned llvm::heavyweight_hardware_concurrency() { +#if !LLVM_ENABLE_THREADS + return 1; +#endif + int NumPhysical = sys::getHostNumPhysicalCores(); + if (NumPhysical == -1) + return thread::hardware_concurrency(); + return NumPhysical; +} |