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Back-patch LLVM 14 API changes. 

Since LLVM 14 has stopped changing and is about to be released,
back-patch the following changes from the master branch:

  e6a7600202
  807fee1a39
  a56e7b6601

Back-patch to 11, where LLVM JIT support came in.
This commit is contained in:
Thomas Munro 2022-03-16 11:35:00 +13:00
parent 2cd7d8d530
commit 45a469eb2d
3 changed files with 48 additions and 7 deletions
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6
src/backend/jit/llvm/Makefile
View File

@ -22,6 +22,12 @@ endif
PGFILEDESC = "llvmjit - JIT using LLVM"
NAME = llvmjit
# LLVM 14 produces deprecation warnings. We'll need to make some changes
# before the relevant functions are removed, but for now silence the warnings.
ifeq ($(GCC), yes)
LLVM_CFLAGS += -Wno-deprecated-declarations
endif
# All files in this directory use LLVM.
CFLAGS += $(LLVM_CFLAGS)
CXXFLAGS += $(LLVM_CXXFLAGS)

37
src/backend/jit/llvm/llvmjit_error.cpp
View File

@ -23,15 +23,22 @@ extern "C"
#include "jit/llvmjit.h"
#include <new>
static int fatal_new_handler_depth = 0;
static std::new_handler old_new_handler = NULL;
static void fatal_system_new_handler(void);
#if LLVM_VERSION_MAJOR > 4
static void fatal_llvm_new_handler(void *user_data, const char *reason, bool gen_crash_diag);
#if LLVM_VERSION_MAJOR < 14
static void fatal_llvm_new_handler(void *user_data, const std::string& reason, bool gen_crash_diag);
#endif
#endif
static void fatal_llvm_error_handler(void *user_data, const char *reason, bool gen_crash_diag);
#if LLVM_VERSION_MAJOR < 14
static void fatal_llvm_error_handler(void *user_data, const std::string& reason, bool gen_crash_diag);
#endif
/*
@ -129,23 +136,41 @@ fatal_system_new_handler(void)
#if LLVM_VERSION_MAJOR > 4
static void
fatal_llvm_new_handler(void *user_data,
const std::string& reason,
const char *reason,
bool gen_crash_diag)
{
ereport(FATAL,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("out of memory"),
errdetail("While in LLVM: %s", reason.c_str())));
errdetail("While in LLVM: %s", reason)));
}
#if LLVM_VERSION_MAJOR < 14
static void
fatal_llvm_new_handler(void *user_data,
const std::string& reason,
bool gen_crash_diag)
{
fatal_llvm_new_handler(user_data, reason.c_str(), gen_crash_diag);
}
#endif
#endif
static void
fatal_llvm_error_handler(void *user_data,
const char *reason,
bool gen_crash_diag)
{
ereport(FATAL,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("fatal llvm error: %s", reason)));
}
#if LLVM_VERSION_MAJOR < 14
static void
fatal_llvm_error_handler(void *user_data,
const std::string& reason,
bool gen_crash_diag)
{
ereport(FATAL,
(errcode(ERRCODE_OUT_OF_MEMORY),
errmsg("fatal llvm error: %s",
reason.c_str())));
fatal_llvm_error_handler(user_data, reason.c_str(), gen_crash_diag);
}
#endif

12
src/backend/jit/llvm/llvmjit_inline.cpp
View File

@ -594,7 +594,11 @@ function_inlinable(llvm::Function &F,
if (F.materialize())
elog(FATAL, "failed to materialize metadata");
if (F.getAttributes().hasFnAttribute(llvm::Attribute::NoInline))
#if LLVM_VERSION_MAJOR < 14
#define hasFnAttr hasFnAttribute
#endif
if (F.getAttributes().hasFnAttr(llvm::Attribute::NoInline))
{
ilog(DEBUG1, "ineligibile to import %s due to noinline",
F.getName().data());
@ -871,7 +875,9 @@ create_redirection_function(std::unique_ptr<llvm::Module> &importMod,
llvm::Function *AF;
llvm::BasicBlock *BB;
llvm::CallInst *fwdcall;
#if LLVM_VERSION_MAJOR < 14
llvm::Attribute inlineAttribute;
#endif
AF = llvm::Function::Create(F->getFunctionType(),
LinkageTypes::AvailableExternallyLinkage,
@ -880,9 +886,13 @@ create_redirection_function(std::unique_ptr<llvm::Module> &importMod,
Builder.SetInsertPoint(BB);
fwdcall = Builder.CreateCall(F, &*AF->arg_begin());
#if LLVM_VERSION_MAJOR < 14
inlineAttribute = llvm::Attribute::get(Context,
llvm::Attribute::AlwaysInline);
fwdcall->addAttribute(~0U, inlineAttribute);
#else
fwdcall->addFnAttr(llvm::Attribute::AlwaysInline);
#endif
Builder.CreateRet(fwdcall);
return AF;