diff options
| -rw-r--r-- | src/backend/jit/llvm/Makefile | 2 | ||||
| -rw-r--r-- | src/backend/jit/llvm/llvmjit_wrap.cpp | 44 | ||||
| -rw-r--r-- | src/include/jit/llvmjit.h | 17 |
3 files changed, 62 insertions, 1 deletions
diff --git a/src/backend/jit/llvm/Makefile b/src/backend/jit/llvm/Makefile index 856b94e12b4..4b58a3450f3 100644 --- a/src/backend/jit/llvm/Makefile +++ b/src/backend/jit/llvm/Makefile @@ -37,7 +37,7 @@ override COMPILER = $(CXX) $(CFLAGS) OBJS=$(WIN32RES) # Infrastructure -OBJS += llvmjit.o llvmjit_error.o +OBJS += llvmjit.o llvmjit_error.o llvmjit_wrap.o # Code generation OBJS += diff --git a/src/backend/jit/llvm/llvmjit_wrap.cpp b/src/backend/jit/llvm/llvmjit_wrap.cpp new file mode 100644 index 00000000000..5d1a17cde04 --- /dev/null +++ b/src/backend/jit/llvm/llvmjit_wrap.cpp @@ -0,0 +1,44 @@ +/*------------------------------------------------------------------------- + * + * llvmjit_wrap.cpp + * Parts of the LLVM interface not (yet) exposed to C. + * + * Copyright (c) 2016-2018, PostgreSQL Global Development Group + * + * IDENTIFICATION + * src/backend/lib/llvm/llvmjit_wrap.c + * + *------------------------------------------------------------------------- + */ + +extern "C" +{ +#include "postgres.h" +} + +#include <llvm/MC/SubtargetFeature.h> +#include <llvm/Support/Host.h> + +#include "jit/llvmjit.h" + + +/* + * C-API extensions. + */ +#if defined(HAVE_DECL_LLVMGETHOSTCPUNAME) && !HAVE_DECL_LLVMGETHOSTCPUNAME +char *LLVMGetHostCPUName(void) { + return strdup(llvm::sys::getHostCPUName().data()); +} +#endif + + +char *LLVMGetHostCPUFeatures(void) { + llvm::SubtargetFeatures Features; + llvm::StringMap<bool> HostFeatures; + + if (llvm::sys::getHostCPUFeatures(HostFeatures)) + for (auto &F : HostFeatures) + Features.AddFeature(F.first(), F.second); + + return strdup(Features.getString().c_str()); +} diff --git a/src/include/jit/llvmjit.h b/src/include/jit/llvmjit.h index 187ebe2c2a0..63b2fdfe591 100644 --- a/src/include/jit/llvmjit.h +++ b/src/include/jit/llvmjit.h @@ -44,6 +44,23 @@ extern void llvm_assert_in_fatal_section(void); extern LLVMJitContext *llvm_create_context(int jitFlags); + +/* + **************************************************************************** + * Extensions / Backward compatibility section of the LLVM C API + * Error handling related functions. + **************************************************************************** + */ +#if defined(HAVE_DECL_LLVMGETHOSTCPUNAME) && !HAVE_DECL_LLVMGETHOSTCPUNAME +/** Get the host CPU as a string. The result needs to be disposed with + LLVMDisposeMessage. */ +extern char *LLVMGetHostCPUName(void); +#endif + +/** Get the host CPU features as a string. The result needs to be disposed + with LLVMDisposeMessage. */ +extern char *LLVMGetHostCPUFeatures(void); + #ifdef __cplusplus } /* extern "C" */ #endif |