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authorThomas Munro <tmunro@postgresql.org>2022-10-19 22:38:58 +1300
committerThomas Munro <tmunro@postgresql.org>2022-10-19 22:44:53 +1300
commitaa34bc4e2bc8d13efb38b349f39b0f3b04883ffb (patch)
tree6bab7a88df255499d5ee62de72ad551bd157d555 /src/backend/jit/llvm/llvmjit.c
parent44efd345c09311eb63cd1573827b4177fde6aa5c (diff)
downloadpostgresql-aa34bc4e2bc8d13efb38b349f39b0f3b04883ffb.tar.gz
postgresql-aa34bc4e2bc8d13efb38b349f39b0f3b04883ffb.zip
Track LLVM 15 changes.
Per https://llvm.org/docs/OpaquePointers.html, support for non-opaque pointers still exists and we can request that on our context. We have until LLVM 16 to move to opaque pointers, a much larger change. Back-patch to 11, where LLVM support arrived. Author: Thomas Munro <thomas.munro@gmail.com> Author: Andres Freund <andres@anarazel.de> Discussion: https://postgr.es/m/CAMHz58Sf_xncdyqsekoVsNeKcruKootLtVH6cYXVhhUR1oKPCg%40mail.gmail.com
Diffstat (limited to 'src/backend/jit/llvm/llvmjit.c')
-rw-r--r--src/backend/jit/llvm/llvmjit.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/backend/jit/llvm/llvmjit.c b/src/backend/jit/llvm/llvmjit.c
index 120f5239c98..f0bfee2d6c3 100644
--- a/src/backend/jit/llvm/llvmjit.c
+++ b/src/backend/jit/llvm/llvmjit.c
@@ -764,6 +764,16 @@ llvm_session_initialize(void)
LLVMInitializeNativeAsmParser();
/*
+ * When targeting an LLVM version with opaque pointers enabled by
+ * default, turn them off for the context we build our code in. We don't
+ * need to do so for other contexts (e.g. llvm_ts_context). Once the IR is
+ * generated, it carries the necessary information.
+ */
+#if LLVM_VERSION_MAJOR > 14
+ LLVMContextSetOpaquePointers(LLVMGetGlobalContext(), false);
+#endif
+
+ /*
* Synchronize types early, as that also includes inferring the target
* triple.
*/
@@ -1114,7 +1124,11 @@ llvm_resolve_symbols(LLVMOrcDefinitionGeneratorRef GeneratorObj, void *Ctx,
LLVMOrcJITDylibRef JD, LLVMOrcJITDylibLookupFlags JDLookupFlags,
LLVMOrcCLookupSet LookupSet, size_t LookupSetSize)
{
+#if LLVM_VERSION_MAJOR > 14
+ LLVMOrcCSymbolMapPairs symbols = palloc0(sizeof(LLVMOrcCSymbolMapPair) * LookupSetSize);
+#else
LLVMOrcCSymbolMapPairs symbols = palloc0(sizeof(LLVMJITCSymbolMapPair) * LookupSetSize);
+#endif
LLVMErrorRef error;
LLVMOrcMaterializationUnitRef mu;
@@ -1232,7 +1246,11 @@ llvm_create_jit_instance(LLVMTargetMachineRef tm)
* Symbol resolution support for "special" functions, e.g. a call into an
* SQL callable function.
*/
+#if LLVM_VERSION_MAJOR > 14
+ ref_gen = LLVMOrcCreateCustomCAPIDefinitionGenerator(llvm_resolve_symbols, NULL, NULL);
+#else
ref_gen = LLVMOrcCreateCustomCAPIDefinitionGenerator(llvm_resolve_symbols, NULL);
+#endif
LLVMOrcJITDylibAddGenerator(LLVMOrcLLJITGetMainJITDylib(lljit), ref_gen);
return lljit;