forked from OSchip/llvm-project
[Orc] Add verylazy example for C-bindings
Still WIP, based on the Kaleidoscope/BuildingAJIT/Chapter4. Reviewed By: lhames Differential Revision: https://reviews.llvm.org/D104799
This commit is contained in:
Valentin Churavy
parent
0c164ea9e6
commit
b5a6ad8c89
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@ -15,6 +15,7 @@ add_subdirectory(OrcV2CBindingsIRTransforms)
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add_subdirectory(OrcV2CBindingsReflectProcessSymbols)
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add_subdirectory(OrcV2CBindingsRemovableCode)
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add_subdirectory(OrcV2CBindingsLazy)
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add_subdirectory(OrcV2CBindingsVeryLazy)
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if(CMAKE_HOST_UNIX)
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add_subdirectory(LLJITWithRemoteDebugging)
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@ -0,0 +1,15 @@
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set(LLVM_LINK_COMPONENTS
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Core
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ExecutionEngine
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IRReader
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JITLink
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MC
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OrcJIT
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Support
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Target
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nativecodegen
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)
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add_llvm_example(OrcV2CBindingsVeryLazy
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OrcV2CBindingsVeryLazy.c
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)
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@ -0,0 +1,301 @@
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//===-------- BasicOrcV2CBindings.c - Basic OrcV2 C Bindings Demo ---------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm-c/Core.h"
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#include "llvm-c/Error.h"
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#include "llvm-c/IRReader.h"
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#include "llvm-c/Initialization.h"
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#include "llvm-c/LLJIT.h"
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#include "llvm-c/Support.h"
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#include "llvm-c/Target.h"
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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int handleError(LLVMErrorRef Err) {
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char *ErrMsg = LLVMGetErrorMessage(Err);
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fprintf(stderr, "Error: %s\n", ErrMsg);
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LLVMDisposeErrorMessage(ErrMsg);
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return 1;
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}
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// Example IR modules.
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//
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// Note that in the conditionally compiled modules, FooMod and BarMod, functions
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// have been given an _body suffix. This is to ensure that their names do not
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// clash with their lazy-reexports.
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// For clients who do not wish to rename function bodies (e.g. because they want
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// to re-use cached objects between static and JIT compiles) techniques exist to
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// avoid renaming. See the lazy-reexports section of the ORCv2 design doc.
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const char FooMod[] = " define i32 @foo_body() { \n"
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" entry: \n"
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" ret i32 1 \n"
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" } \n";
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const char BarMod[] = " define i32 @bar_body() { \n"
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" entry: \n"
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" ret i32 2 \n"
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" } \n";
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const char MainMod[] =
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" define i32 @entry(i32 %argc) { \n"
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" entry: \n"
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" %and = and i32 %argc, 1 \n"
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" %tobool = icmp eq i32 %and, 0 \n"
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" br i1 %tobool, label %if.end, label %if.then \n"
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" \n"
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" if.then: \n"
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" %call = tail call i32 @foo() \n"
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" br label %return \n"
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" \n"
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" if.end: \n"
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" %call1 = tail call i32 @bar() \n"
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" br label %return \n"
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" \n"
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" return: \n"
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" %retval.0 = phi i32 [ %call, %if.then ], [ %call1, %if.end ] \n"
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" ret i32 %retval.0 \n"
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" } \n"
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" \n"
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" declare i32 @foo() \n"
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" declare i32 @bar() \n";
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LLVMErrorRef applyDataLayout(void *Ctx, LLVMModuleRef M) {
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LLVMSetDataLayout(M, LLVMOrcLLJITGetDataLayoutStr((LLVMOrcLLJITRef)Ctx));
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return LLVMErrorSuccess;
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}
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LLVMErrorRef parseExampleModule(const char *Source, size_t Len,
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const char *Name,
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LLVMOrcThreadSafeModuleRef *TSM) {
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// Create a new ThreadSafeContext and underlying LLVMContext.
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LLVMOrcThreadSafeContextRef TSCtx = LLVMOrcCreateNewThreadSafeContext();
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// Get a reference to the underlying LLVMContext.
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LLVMContextRef Ctx = LLVMOrcThreadSafeContextGetContext(TSCtx);
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// Wrap Source in a MemoryBuffer
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LLVMMemoryBufferRef MB =
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LLVMCreateMemoryBufferWithMemoryRange(Source, Len, Name, 1);
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// Parse the LLVM module.
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LLVMModuleRef M;
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char *ErrMsg;
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if (LLVMParseIRInContext(Ctx, MB, &M, &ErrMsg)) {
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LLVMErrorRef Err = LLVMCreateStringError(ErrMsg);
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LLVMDisposeMessage(ErrMsg);
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return Err;
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}
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// Our module is now complete. Wrap it and our ThreadSafeContext in a
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// ThreadSafeModule.
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*TSM = LLVMOrcCreateNewThreadSafeModule(M, TSCtx);
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// Dispose of our local ThreadSafeContext value. The underlying LLVMContext
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// will be kept alive by our ThreadSafeModule, TSM.
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LLVMOrcDisposeThreadSafeContext(TSCtx);
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return LLVMErrorSuccess;
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}
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void Destroy(void *Ctx) {}
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void Materialize(void *Ctx, LLVMOrcMaterializationResponsibilityRef MR) {
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int MainResult = 0;
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size_t NumSymbols;
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LLVMOrcSymbolStringPoolEntryRef *Symbols =
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LLVMOrcMaterializationResponsibilityGetRequestedSymbols(MR, &NumSymbols);
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assert(NumSymbols == 1);
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LLVMOrcLLJITRef J = (LLVMOrcLLJITRef)Ctx;
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LLVMOrcSymbolStringPoolEntryRef Sym = Symbols[0];
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LLVMOrcThreadSafeModuleRef TSM = 0;
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LLVMErrorRef Err;
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LLVMOrcSymbolStringPoolEntryRef FooBody =
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LLVMOrcLLJITMangleAndIntern(J, "foo_body");
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LLVMOrcSymbolStringPoolEntryRef BarBody =
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LLVMOrcLLJITMangleAndIntern(J, "bar_body");
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if (Sym == FooBody) {
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if ((Err = parseExampleModule(FooMod, strlen(FooMod), "foo-mod", &TSM))) {
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MainResult = handleError(Err);
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goto cleanup;
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}
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} else if (Sym == BarBody) {
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if ((Err = parseExampleModule(BarMod, strlen(BarMod), "bar-mod", &TSM))) {
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MainResult = handleError(Err);
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goto cleanup;
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}
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} else {
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MainResult = 1;
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goto cleanup;
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}
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assert(TSM);
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if ((Err = LLVMOrcThreadSafeModuleWithModuleDo(TSM, &applyDataLayout, Ctx))) {
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MainResult = handleError(Err);
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goto cleanup;
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}
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cleanup:
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LLVMOrcReleaseSymbolStringPoolEntry(BarBody);
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LLVMOrcReleaseSymbolStringPoolEntry(FooBody);
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LLVMOrcDisposeSymbols(Symbols);
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if (MainResult == 1) {
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LLVMOrcMaterializationResponsibilityFailMaterialization(MR);
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LLVMOrcDisposeMaterializationResponsibility(MR);
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} else {
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LLVMOrcIRTransformLayerRef IRLayer = LLVMOrcLLJITGetIRTransformLayer(J);
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LLVMOrcIRTransformLayerEmit(IRLayer, MR, TSM);
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}
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return;
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}
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int main(int argc, char *argv[]) {
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int MainResult = 0;
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// Parse command line arguments and initialize LLVM Core.
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LLVMParseCommandLineOptions(argc, (const char **)argv, "");
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LLVMInitializeCore(LLVMGetGlobalPassRegistry());
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// Initialize native target codegen and asm printer.
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LLVMInitializeNativeTarget();
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LLVMInitializeNativeAsmPrinter();
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// Set up a JIT instance.
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LLVMOrcLLJITRef J;
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const char *TargetTriple;
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{
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LLVMErrorRef Err;
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if ((Err = LLVMOrcCreateLLJIT(&J, 0))) {
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MainResult = handleError(Err);
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goto llvm_shutdown;
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}
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TargetTriple = LLVMOrcLLJITGetTripleString(J);
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}
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// Add our main module to the JIT.
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{
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LLVMOrcJITDylibRef MainJD = LLVMOrcLLJITGetMainJITDylib(J);
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LLVMErrorRef Err;
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LLVMOrcThreadSafeModuleRef MainTSM;
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if ((Err = parseExampleModule(MainMod, strlen(MainMod), "main-mod",
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&MainTSM))) {
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MainResult = handleError(Err);
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goto jit_cleanup;
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}
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if ((Err = LLVMOrcLLJITAddLLVMIRModule(J, MainJD, MainTSM))) {
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LLVMOrcDisposeThreadSafeModule(MainTSM);
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MainResult = handleError(Err);
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goto jit_cleanup;
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}
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}
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LLVMJITSymbolFlags Flags = {
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LLVMJITSymbolGenericFlagsExported | LLVMJITSymbolGenericFlagsCallable, 0};
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LLVMOrcCSymbolFlagsMapPair FooSym = {
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LLVMOrcLLJITMangleAndIntern(J, "foo_body"), Flags};
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LLVMOrcCSymbolFlagsMapPair BarSym = {
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LLVMOrcLLJITMangleAndIntern(J, "bar_body"), Flags};
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// add custom MaterializationUnit
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{
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LLVMOrcMaterializationUnitRef FooMU =
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LLVMOrcCreateCustomMaterializationUnit("FooMU", J, &FooSym, 1, NULL,
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&Materialize, NULL, &Destroy);
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LLVMOrcMaterializationUnitRef BarMU =
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LLVMOrcCreateCustomMaterializationUnit("BarMU", J, &BarSym, 1, NULL,
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&Materialize, NULL, &Destroy);
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LLVMOrcJITDylibRef MainJD = LLVMOrcLLJITGetMainJITDylib(J);
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LLVMOrcJITDylibDefine(MainJD, FooMU);
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LLVMOrcJITDylibDefine(MainJD, BarMU);
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}
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// add lazy reexports
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LLVMOrcIndirectStubsManagerRef ISM =
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LLVMOrcCreateLocalIndirectStubsManager(TargetTriple);
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LLVMOrcLazyCallThroughManagerRef LCTM;
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{
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LLVMErrorRef Err;
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LLVMOrcExecutionSessionRef ES = LLVMOrcLLJITGetExecutionSession(J);
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if ((Err = LLVMOrcCreateLocalLazyCallThroughManager(TargetTriple, ES, 0,
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&LCTM))) {
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LLVMOrcDisposeIndirectStubsManager(ISM);
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MainResult = handleError(Err);
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goto jit_cleanup;
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}
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}
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LLVMOrcCSymbolAliasMapPair ReExports[2] = {
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{LLVMOrcLLJITMangleAndIntern(J, "foo"),
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{LLVMOrcLLJITMangleAndIntern(J, "foo_body"), Flags}},
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{LLVMOrcLLJITMangleAndIntern(J, "bar"),
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{LLVMOrcLLJITMangleAndIntern(J, "bar_body"), Flags}},
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};
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{
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LLVMOrcJITDylibRef MainJD = LLVMOrcLLJITGetMainJITDylib(J);
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LLVMOrcMaterializationUnitRef MU =
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LLVMOrcLazyReexports(LCTM, ISM, MainJD, ReExports, 2);
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LLVMOrcJITDylibDefine(MainJD, MU);
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}
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// Look up the address of our demo entry point.
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LLVMOrcJITTargetAddress EntryAddr;
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{
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LLVMErrorRef Err;
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if ((Err = LLVMOrcLLJITLookup(J, &EntryAddr, "entry"))) {
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MainResult = handleError(Err);
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goto cleanup;
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}
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}
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// If we made it here then everything succeeded. Execute our JIT'd code.
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int32_t (*Entry)(int32_t) = (int32_t(*)(int32_t))EntryAddr;
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int32_t Result = Entry(argc);
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printf("--- Result ---\n");
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printf("entry(%i) = %i\n", argc, Result);
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cleanup : {
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LLVMOrcDisposeIndirectStubsManager(ISM);
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LLVMOrcDisposeLazyCallThroughManager(LCTM);
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}
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jit_cleanup:
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// Destroy our JIT instance. This will clean up any memory that the JIT has
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// taken ownership of. This operation is non-trivial (e.g. it may need to
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// JIT static destructors) and may also fail. In that case we want to render
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// the error to stderr, but not overwrite any existing return value.
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{
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LLVMErrorRef Err;
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if ((Err = LLVMOrcDisposeLLJIT(J))) {
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int NewFailureResult = handleError(Err);
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if (MainResult == 0)
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MainResult = NewFailureResult;
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}
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}
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llvm_shutdown:
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// Shut down LLVM.
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LLVMShutdown();
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return MainResult;
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}
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@ -227,6 +227,14 @@ LLVMOrcLLJITGetObjTransformLayer(LLVMOrcLLJITRef J);
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*/
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LLVMOrcIRTransformLayerRef LLVMOrcLLJITGetIRTransformLayer(LLVMOrcLLJITRef J);
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/**
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* Get the LLJIT instance's default data layout string.
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*
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* This string is owned by the LLJIT instance and does not need to be freed
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* by the caller.
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*/
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const char *LLVMOrcLLJITGetDataLayoutStr(LLVMOrcLLJITRef J);
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LLVM_C_EXTERN_C_END
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#endif /* LLVM_C_LLJIT_H */
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@ -145,6 +145,34 @@ typedef struct {
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*/
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typedef LLVMOrcCSymbolAliasMapPair *LLVMOrcCSymbolAliasMapPairs;
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/**
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* A reference to an orc::JITDylib instance.
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*/
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typedef struct LLVMOrcOpaqueJITDylib *LLVMOrcJITDylibRef;
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/**
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* Represents a list of LLVMOrcSymbolStringPoolEntryRef and the associated
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* length.
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*/
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typedef struct {
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LLVMOrcSymbolStringPoolEntryRef *Symbols;
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size_t Length;
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} LLVMOrcCSymbolsList;
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/**
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* Represents a pair of a JITDylib and LLVMOrcCSymbolsList.
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*/
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typedef struct {
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LLVMOrcJITDylibRef JD;
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LLVMOrcCSymbolsList Names;
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} LLVMOrcCDependenceMapPair;
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/**
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* Represents a list of (JITDylibRef, (LLVMOrcSymbolStringPoolEntryRef*,
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* size_t)) pairs that can be used to construct a SymbolDependenceMap.
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*/
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typedef LLVMOrcCDependenceMapPair *LLVMOrcCDependenceMapPairs;
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/**
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* Lookup kind. This can be used by definition generators when deciding whether
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* to produce a definition for a requested symbol.
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@ -210,11 +238,6 @@ typedef struct LLVMOrcOpaqueMaterializationUnit *LLVMOrcMaterializationUnitRef;
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typedef struct LLVMOrcOpaqueMaterializationResponsibility
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*LLVMOrcMaterializationResponsibilityRef;
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/**
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* A reference to an orc::JITDylib instance.
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*/
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typedef struct LLVMOrcOpaqueJITDylib *LLVMOrcJITDylibRef;
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/**
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* A MaterializationUnit materialize callback.
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*
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@ -597,6 +620,199 @@ LLVMOrcMaterializationUnitRef LLVMOrcLazyReexports(
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size_t NumPairs);
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// TODO: ImplSymbolMad SrcJDLoc
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/**
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* Disposes of the passed MaterializationResponsibility object.
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*
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* This should only be done after the symbols covered by the object have either
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* been resolved and emitted (via
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* LLVMOrcMaterializationResponsibilityNotifyResolved and
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* LLVMOrcMaterializationResponsibilityNotifyEmitted) or failed (via
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* LLVMOrcMaterializationResponsibilityFailMaterialization).
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*/
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void LLVMOrcDisposeMaterializationResponsibility(
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LLVMOrcMaterializationResponsibilityRef MR);
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/**
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* Returns the target JITDylib that these symbols are being materialized into.
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*/
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LLVMOrcJITDylibRef LLVMOrcMaterializationResponsibilityGetTargetDylib(
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LLVMOrcMaterializationResponsibilityRef MR);
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/**
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* Returns the ExecutionSession for this MaterializationResponsibility.
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*/
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LLVMOrcExecutionSessionRef
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LLVMOrcMaterializationResponsibilityGetExecutionSession(
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LLVMOrcMaterializationResponsibilityRef MR);
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/**
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* Returns the symbol flags map for this responsibility instance.
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*
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* The length of the array is returned in NumPairs and the caller is responsible
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* for the returned memory and needs to call LLVMOrcDisposeCSymbolFlagsMap.
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*
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* To use the returned symbols beyond the livetime of the
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* MaterializationResponsibility requires the caller to retain the symbols
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* explicitly.
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*/
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LLVMOrcCSymbolFlagsMapPairs LLVMOrcMaterializationResponsibilityGetSymbols(
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LLVMOrcMaterializationResponsibilityRef MR, size_t *NumPairs);
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/**
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* Disposes of the passed LLVMOrcCSymbolFlagsMap.
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*
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* Does not release the entries themselves.
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*/
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void LLVMOrcDisposeCSymbolFlagsMap(LLVMOrcCSymbolFlagsMapPairs Pairs);
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/**
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* Returns the initialization pseudo-symbol, if any. This symbol will also
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* be present in the SymbolFlagsMap for this MaterializationResponsibility
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* object.
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*
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* The returned symbol is not retained over any mutating operation of the
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* MaterializationResponsbility or beyond the lifetime thereof.
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*/
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LLVMOrcSymbolStringPoolEntryRef
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LLVMOrcMaterializationResponsibilityGetInitializerSymbol(
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LLVMOrcMaterializationResponsibilityRef MR);
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||||
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||||
/**
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* Returns the names of any symbols covered by this
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* MaterializationResponsibility object that have queries pending. This
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* information can be used to return responsibility for unrequested symbols
|
||||
* back to the JITDylib via the delegate method.
|
||||
*/
|
||||
LLVMOrcSymbolStringPoolEntryRef *
|
||||
LLVMOrcMaterializationResponsibilityGetRequestedSymbols(
|
||||
LLVMOrcMaterializationResponsibilityRef MR, size_t *NumSymbols);
|
||||
|
||||
/**
|
||||
* Disposes of the passed LLVMOrcSymbolStringPoolEntryRef* .
|
||||
*
|
||||
* Does not release the symbols themselves.
|
||||
*/
|
||||
void LLVMOrcDisposeSymbols(LLVMOrcSymbolStringPoolEntryRef *Symbols);
|
||||
|
||||
/*
|
||||
* Notifies the target JITDylib that the given symbols have been resolved.
|
||||
* This will update the given symbols' addresses in the JITDylib, and notify
|
||||
* any pending queries on the given symbols of their resolution. The given
|
||||
* symbols must be ones covered by this MaterializationResponsibility
|
||||
* instance. Individual calls to this method may resolve a subset of the
|
||||
* symbols, but all symbols must have been resolved prior to calling emit.
|
||||
*
|
||||
* This method will return an error if any symbols being resolved have been
|
||||
* moved to the error state due to the failure of a dependency. If this
|
||||
* method returns an error then clients should log it and call
|
||||
* LLVMOrcMaterializationResponsibilityFailMaterialization. If no dependencies
|
||||
* have been registered for the symbols covered by this
|
||||
* MaterializationResponsibiility then this method is guaranteed to return
|
||||
* LLVMErrorSuccess.
|
||||
*/
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityNotifyResolved(
|
||||
LLVMOrcMaterializationResponsibilityRef MR, LLVMOrcCSymbolMapPairs Symbols,
|
||||
size_t NumPairs);
|
||||
|
||||
/**
|
||||
* Notifies the target JITDylib (and any pending queries on that JITDylib)
|
||||
* that all symbols covered by this MaterializationResponsibility instance
|
||||
* have been emitted.
|
||||
*
|
||||
* This method will return an error if any symbols being resolved have been
|
||||
* moved to the error state due to the failure of a dependency. If this
|
||||
* method returns an error then clients should log it and call
|
||||
* LLVMOrcMaterializationResponsibilityFailMaterialization.
|
||||
* If no dependencies have been registered for the symbols covered by this
|
||||
* MaterializationResponsibiility then this method is guaranteed to return
|
||||
* LLVMErrorSuccess.
|
||||
*/
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityNotifyEmitted(
|
||||
LLVMOrcMaterializationResponsibilityRef MR);
|
||||
|
||||
/**
|
||||
* Attempt to claim responsibility for new definitions. This method can be
|
||||
* used to claim responsibility for symbols that are added to a
|
||||
* materialization unit during the compilation process (e.g. literal pool
|
||||
* symbols). Symbol linkage rules are the same as for symbols that are
|
||||
* defined up front: duplicate strong definitions will result in errors.
|
||||
* Duplicate weak definitions will be discarded (in which case they will
|
||||
* not be added to this responsibility instance).
|
||||
*
|
||||
* This method can be used by materialization units that want to add
|
||||
* additional symbols at materialization time (e.g. stubs, compile
|
||||
* callbacks, metadata)
|
||||
*/
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityDefineMaterializing(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcCSymbolFlagsMapPairs Pairs, size_t NumPairs);
|
||||
|
||||
/**
|
||||
* Notify all not-yet-emitted covered by this MaterializationResponsibility
|
||||
* instance that an error has occurred.
|
||||
* This will remove all symbols covered by this MaterializationResponsibilty
|
||||
* from the target JITDylib, and send an error to any queries waiting on
|
||||
* these symbols.
|
||||
*/
|
||||
void LLVMOrcMaterializationResponsibilityFailMaterialization(
|
||||
LLVMOrcMaterializationResponsibilityRef MR);
|
||||
|
||||
/**
|
||||
* Transfers responsibility to the given MaterializationUnit for all
|
||||
* symbols defined by that MaterializationUnit. This allows
|
||||
* materializers to break up work based on run-time information (e.g.
|
||||
* by introspecting which symbols have actually been looked up and
|
||||
* materializing only those).
|
||||
*/
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityReplace(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcMaterializationUnitRef MU);
|
||||
|
||||
/**
|
||||
* Delegates responsibility for the given symbols to the returned
|
||||
* materialization responsibility. Useful for breaking up work between
|
||||
* threads, or different kinds of materialization processes.
|
||||
*
|
||||
* The caller retains responsibility of the the passed
|
||||
* MaterializationResponsibility.
|
||||
*/
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityDelegate(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcSymbolStringPoolEntryRef *Symbols, size_t NumSymbols,
|
||||
LLVMOrcMaterializationResponsibilityRef *Result);
|
||||
|
||||
/**
|
||||
* Adds dependencies to a symbol that the MaterializationResponsibility is
|
||||
* responsible for.
|
||||
*
|
||||
* This function takes ownership of Dependencies struct. The Names
|
||||
* array have been retained for this function. This allows the following
|
||||
* pattern...
|
||||
*
|
||||
* LLVMOrcSymbolStringPoolEntryRef Names[] = {...};
|
||||
* LLVMOrcCDependenceMapPair Dependence = {JD, {Names, sizeof(Names)}}
|
||||
* LLVMOrcMaterializationResponsibilityAddDependencies(JD, Name, &Dependence,
|
||||
* 1);
|
||||
*
|
||||
* ... without requiring cleanup of the elements of the Names array afterwards.
|
||||
*
|
||||
* The client is still responsible for deleting the Dependencies.Names array
|
||||
* itself.
|
||||
*/
|
||||
void LLVMOrcMaterializationResponsibilityAddDependencies(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcSymbolStringPoolEntryRef Name,
|
||||
LLVMOrcCDependenceMapPairs Dependencies, size_t NumPairs);
|
||||
|
||||
/**
|
||||
* Adds dependencies to all symbols that the MaterializationResponsibility is
|
||||
* responsible for. See LLVMOrcMaterializationResponsibilityAddDependencies for
|
||||
* notes about memory responsibility.
|
||||
*/
|
||||
void LLVMOrcMaterializationResponsibilityAddDependenciesForAll(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcCDependenceMapPairs Dependencies, size_t NumPairs);
|
||||
|
||||
/**
|
||||
* Create a "bare" JITDylib.
|
||||
*
|
||||
|
|
@ -845,6 +1061,10 @@ void LLVMOrcObjectLayerEmit(LLVMOrcObjectLayerRef ObjLayer,
|
|||
*/
|
||||
void LLVMOrcDisposeObjectLayer(LLVMOrcObjectLayerRef ObjLayer);
|
||||
|
||||
void LLVMOrcIRTransformLayerEmit(LLVMOrcIRTransformLayerRef IRTransformLayer,
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcThreadSafeModuleRef TSM);
|
||||
|
||||
/**
|
||||
* Set the transform function of the provided transform layer, passing through a
|
||||
* pointer to user provided context.
|
||||
|
|
|
|||
|
|
@ -240,6 +240,48 @@ static JITSymbolFlags toJITSymbolFlags(LLVMJITSymbolFlags F) {
|
|||
return JSF;
|
||||
}
|
||||
|
||||
static LLVMJITSymbolFlags fromJITSymbolFlags(JITSymbolFlags JSF) {
|
||||
LLVMJITSymbolFlags F = {0, 0};
|
||||
if (JSF & JITSymbolFlags::Exported)
|
||||
F.GenericFlags |= LLVMJITSymbolGenericFlagsExported;
|
||||
if (JSF & JITSymbolFlags::Weak)
|
||||
F.GenericFlags |= LLVMJITSymbolGenericFlagsWeak;
|
||||
if (JSF & JITSymbolFlags::Callable)
|
||||
F.GenericFlags |= LLVMJITSymbolGenericFlagsCallable;
|
||||
if (JSF & JITSymbolFlags::MaterializationSideEffectsOnly)
|
||||
F.GenericFlags |= LLVMJITSymbolGenericFlagsMaterializationSideEffectsOnly;
|
||||
|
||||
F.TargetFlags = JSF.getTargetFlags();
|
||||
|
||||
return F;
|
||||
}
|
||||
|
||||
static SymbolMap toSymbolMap(LLVMOrcCSymbolMapPairs Syms, size_t NumPairs) {
|
||||
SymbolMap SM;
|
||||
for (size_t I = 0; I != NumPairs; ++I) {
|
||||
JITSymbolFlags Flags = toJITSymbolFlags(Syms[I].Sym.Flags);
|
||||
SM[OrcV2CAPIHelper::moveToSymbolStringPtr(unwrap(Syms[I].Name))] =
|
||||
JITEvaluatedSymbol(Syms[I].Sym.Address, Flags);
|
||||
}
|
||||
return SM;
|
||||
}
|
||||
|
||||
static SymbolDependenceMap
|
||||
toSymbolDependenceMap(LLVMOrcCDependenceMapPairs Pairs, size_t NumPairs) {
|
||||
SymbolDependenceMap SDM;
|
||||
for (size_t I = 0; I != NumPairs; ++I) {
|
||||
JITDylib *JD = unwrap(Pairs[I].JD);
|
||||
SymbolNameSet Names;
|
||||
|
||||
for (size_t J = 0; J != Pairs[I].Names.Length; ++J) {
|
||||
auto Sym = Pairs[I].Names.Symbols[J];
|
||||
Names.insert(OrcV2CAPIHelper::moveToSymbolStringPtr(unwrap(Sym)));
|
||||
}
|
||||
SDM[JD] = Names;
|
||||
}
|
||||
return SDM;
|
||||
}
|
||||
|
||||
} // end anonymous namespace
|
||||
|
||||
void LLVMOrcExecutionSessionSetErrorReporter(
|
||||
|
|
@ -334,13 +376,7 @@ LLVMOrcMaterializationUnitRef LLVMOrcCreateCustomMaterializationUnit(
|
|||
|
||||
LLVMOrcMaterializationUnitRef
|
||||
LLVMOrcAbsoluteSymbols(LLVMOrcCSymbolMapPairs Syms, size_t NumPairs) {
|
||||
SymbolMap SM;
|
||||
for (size_t I = 0; I != NumPairs; ++I) {
|
||||
JITSymbolFlags Flags = toJITSymbolFlags(Syms[I].Sym.Flags);
|
||||
SM[OrcV2CAPIHelper::moveToSymbolStringPtr(unwrap(Syms[I].Name))] =
|
||||
JITEvaluatedSymbol(Syms[I].Sym.Address, Flags);
|
||||
}
|
||||
|
||||
SymbolMap SM = toSymbolMap(Syms, NumPairs);
|
||||
return wrap(absoluteSymbols(std::move(SM)).release());
|
||||
}
|
||||
|
||||
|
|
@ -364,6 +400,150 @@ LLVMOrcMaterializationUnitRef LLVMOrcLazyReexports(
|
|||
.release());
|
||||
}
|
||||
|
||||
void LLVMOrcDisposeMaterializationResponsibility(
|
||||
LLVMOrcMaterializationResponsibilityRef MR) {
|
||||
std::unique_ptr<MaterializationResponsibility> TmpMR(unwrap(MR));
|
||||
}
|
||||
|
||||
LLVMOrcJITDylibRef LLVMOrcMaterializationResponsibilityGetTargetDylib(
|
||||
LLVMOrcMaterializationResponsibilityRef MR) {
|
||||
return wrap(&unwrap(MR)->getTargetJITDylib());
|
||||
}
|
||||
|
||||
LLVMOrcExecutionSessionRef
|
||||
LLVMOrcMaterializationResponsibilityGetExecutionSession(
|
||||
LLVMOrcMaterializationResponsibilityRef MR) {
|
||||
return wrap(&unwrap(MR)->getExecutionSession());
|
||||
}
|
||||
|
||||
LLVMOrcCSymbolFlagsMapPairs LLVMOrcMaterializationResponsibilityGetSymbols(
|
||||
LLVMOrcMaterializationResponsibilityRef MR, size_t *NumPairs) {
|
||||
|
||||
auto Symbols = unwrap(MR)->getSymbols();
|
||||
LLVMOrcCSymbolFlagsMapPairs Result = static_cast<LLVMOrcCSymbolFlagsMapPairs>(
|
||||
safe_malloc(Symbols.size() * sizeof(LLVMOrcCSymbolFlagsMapPair)));
|
||||
size_t I = 0;
|
||||
for (auto const &pair : Symbols) {
|
||||
auto Name = wrap(OrcV2CAPIHelper::getRawPoolEntryPtr(pair.first));
|
||||
auto Flags = pair.second;
|
||||
Result[I] = {Name, fromJITSymbolFlags(Flags)};
|
||||
I++;
|
||||
}
|
||||
*NumPairs = Symbols.size();
|
||||
return Result;
|
||||
}
|
||||
|
||||
void LLVMOrcDisposeCSymbolFlagsMap(LLVMOrcCSymbolFlagsMapPairs Pairs) {
|
||||
free(Pairs);
|
||||
}
|
||||
|
||||
LLVMOrcSymbolStringPoolEntryRef
|
||||
LLVMOrcMaterializationResponsibilityGetInitializerSymbol(
|
||||
LLVMOrcMaterializationResponsibilityRef MR) {
|
||||
auto Sym = unwrap(MR)->getInitializerSymbol();
|
||||
return wrap(OrcV2CAPIHelper::getRawPoolEntryPtr(Sym));
|
||||
}
|
||||
|
||||
LLVMOrcSymbolStringPoolEntryRef *
|
||||
LLVMOrcMaterializationResponsibilityGetRequestedSymbols(
|
||||
LLVMOrcMaterializationResponsibilityRef MR, size_t *NumSymbols) {
|
||||
|
||||
auto Symbols = unwrap(MR)->getRequestedSymbols();
|
||||
LLVMOrcSymbolStringPoolEntryRef *Result =
|
||||
static_cast<LLVMOrcSymbolStringPoolEntryRef *>(safe_malloc(
|
||||
Symbols.size() * sizeof(LLVMOrcSymbolStringPoolEntryRef)));
|
||||
size_t I = 0;
|
||||
for (auto &Name : Symbols) {
|
||||
Result[I] = wrap(OrcV2CAPIHelper::getRawPoolEntryPtr(Name));
|
||||
I++;
|
||||
}
|
||||
*NumSymbols = Symbols.size();
|
||||
return Result;
|
||||
}
|
||||
|
||||
void LLVMOrcDisposeSymbols(LLVMOrcSymbolStringPoolEntryRef *Symbols) {
|
||||
free(Symbols);
|
||||
}
|
||||
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityNotifyResolved(
|
||||
LLVMOrcMaterializationResponsibilityRef MR, LLVMOrcCSymbolMapPairs Symbols,
|
||||
size_t NumPairs) {
|
||||
SymbolMap SM = toSymbolMap(Symbols, NumPairs);
|
||||
return wrap(unwrap(MR)->notifyResolved(std::move(SM)));
|
||||
}
|
||||
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityNotifyEmitted(
|
||||
LLVMOrcMaterializationResponsibilityRef MR) {
|
||||
return wrap(unwrap(MR)->notifyEmitted());
|
||||
}
|
||||
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityDefineMaterializing(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcCSymbolFlagsMapPairs Syms, size_t NumSyms) {
|
||||
SymbolFlagsMap SFM;
|
||||
for (size_t I = 0; I != NumSyms; ++I)
|
||||
SFM[OrcV2CAPIHelper::moveToSymbolStringPtr(unwrap(Syms[I].Name))] =
|
||||
toJITSymbolFlags(Syms[I].Flags);
|
||||
|
||||
return wrap(unwrap(MR)->defineMaterializing(std::move(SFM)));
|
||||
}
|
||||
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityReplace(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcMaterializationUnitRef MU) {
|
||||
std::unique_ptr<MaterializationUnit> TmpMU(unwrap(MU));
|
||||
return wrap(unwrap(MR)->replace(std::move(TmpMU)));
|
||||
}
|
||||
|
||||
LLVMErrorRef LLVMOrcMaterializationResponsibilityDelegate(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcSymbolStringPoolEntryRef *Symbols, size_t NumSymbols,
|
||||
LLVMOrcMaterializationResponsibilityRef *Result) {
|
||||
SymbolNameSet Syms;
|
||||
for (size_t I = 0; I != NumSymbols; I++) {
|
||||
Syms.insert(OrcV2CAPIHelper::moveToSymbolStringPtr(unwrap(Symbols[I])));
|
||||
}
|
||||
auto OtherMR = unwrap(MR)->delegate(Syms);
|
||||
|
||||
if (!OtherMR) {
|
||||
return wrap(OtherMR.takeError());
|
||||
}
|
||||
*Result = wrap(OtherMR->release());
|
||||
return LLVMErrorSuccess;
|
||||
}
|
||||
|
||||
void LLVMOrcMaterializationResponsibilityAddDependencies(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcSymbolStringPoolEntryRef Name,
|
||||
LLVMOrcCDependenceMapPairs Dependencies, size_t NumPairs) {
|
||||
|
||||
SymbolDependenceMap SDM = toSymbolDependenceMap(Dependencies, NumPairs);
|
||||
auto Sym = OrcV2CAPIHelper::moveToSymbolStringPtr(unwrap(Name));
|
||||
unwrap(MR)->addDependencies(Sym, SDM);
|
||||
}
|
||||
|
||||
void LLVMOrcMaterializationResponsibilityAddDependenciesForAll(
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcCDependenceMapPairs Dependencies, size_t NumPairs) {
|
||||
|
||||
SymbolDependenceMap SDM = toSymbolDependenceMap(Dependencies, NumPairs);
|
||||
unwrap(MR)->addDependenciesForAll(SDM);
|
||||
}
|
||||
|
||||
void LLVMOrcMaterializationResponsibilityFailMaterialization(
|
||||
LLVMOrcMaterializationResponsibilityRef MR) {
|
||||
unwrap(MR)->failMaterialization();
|
||||
}
|
||||
|
||||
void LLVMOrcIRTransformLayerEmit(LLVMOrcIRTransformLayerRef IRLayer,
|
||||
LLVMOrcMaterializationResponsibilityRef MR,
|
||||
LLVMOrcThreadSafeModuleRef TSM) {
|
||||
std::unique_ptr<ThreadSafeModule> TmpTSM(unwrap(TSM));
|
||||
unwrap(IRLayer)->emit(
|
||||
std::unique_ptr<MaterializationResponsibility>(unwrap(MR)),
|
||||
std::move(*TmpTSM));
|
||||
}
|
||||
|
||||
LLVMOrcJITDylibRef
|
||||
LLVMOrcExecutionSessionCreateBareJITDylib(LLVMOrcExecutionSessionRef ES,
|
||||
const char *Name) {
|
||||
|
|
@ -749,6 +929,10 @@ LLVMOrcIRTransformLayerRef LLVMOrcLLJITGetIRTransformLayer(LLVMOrcLLJITRef J) {
|
|||
return wrap(&unwrap(J)->getIRTransformLayer());
|
||||
}
|
||||
|
||||
const char *LLVMOrcLLJITGetDataLayoutStr(LLVMOrcLLJITRef J) {
|
||||
return unwrap(J)->getDataLayout().getStringRepresentation().c_str();
|
||||
}
|
||||
|
||||
LLVMOrcIndirectStubsManagerRef
|
||||
LLVMOrcCreateLocalIndirectStubsManager(const char *TargetTriple) {
|
||||
auto builder = createLocalIndirectStubsManagerBuilder(Triple(TargetTriple));
|
||||
|
|
|
|||
|
|
@ -167,6 +167,7 @@ if(LLVM_BUILD_EXAMPLES)
|
|||
OrcV2CBindingsRemovableCode
|
||||
OrcV2CBindingsReflectProcessSymbols
|
||||
OrcV2CBindingsLazy
|
||||
OrcV2CBindingsVeryLazy
|
||||
)
|
||||
if(CMAKE_HOST_UNIX)
|
||||
list(APPEND LLVM_TEST_DEPENDS
|
||||
|
|
|
|||
|
|
@ -187,7 +187,8 @@ tools.extend([
|
|||
ToolSubst('OrcV2CBindingsAddObjectFile', unresolved='ignore'),
|
||||
ToolSubst('OrcV2CBindingsRemovableCode', unresolved='ignore'),
|
||||
ToolSubst('OrcV2CBindingsReflectProcessSymbols', unresolved='ignore'),
|
||||
ToolSubst('OrcV2CBindingsLazy', unresolved='ignore')])
|
||||
ToolSubst('OrcV2CBindingsLazy', unresolved='ignore'),
|
||||
ToolSubst('OrcV2CBindingsVeryLazy', unresolved='ignore')])
|
||||
|
||||
llvm_config.add_tool_substitutions(tools, config.llvm_tools_dir)
|
||||
|
||||
|
|
|
|||
|
|
@ -354,3 +354,148 @@ TEST_F(OrcCAPITestBase, ExecutionTest) {
|
|||
int32_t Result = SumFn(1, 1);
|
||||
ASSERT_EQ(2, Result);
|
||||
}
|
||||
|
||||
void Destroy(void *Ctx) {}
|
||||
|
||||
void TargetFn() {}
|
||||
|
||||
void Materialize(void *Ctx, LLVMOrcMaterializationResponsibilityRef MR) {
|
||||
LLVMOrcJITDylibRef JD =
|
||||
LLVMOrcMaterializationResponsibilityGetTargetDylib(MR);
|
||||
ASSERT_TRUE(!!JD);
|
||||
|
||||
LLVMOrcExecutionSessionRef ES =
|
||||
LLVMOrcMaterializationResponsibilityGetExecutionSession(MR);
|
||||
ASSERT_TRUE(!!ES);
|
||||
|
||||
LLVMOrcSymbolStringPoolEntryRef InitSym =
|
||||
LLVMOrcMaterializationResponsibilityGetInitializerSymbol(MR);
|
||||
ASSERT_TRUE(!InitSym);
|
||||
|
||||
size_t NumSymbols;
|
||||
LLVMOrcCSymbolFlagsMapPairs Symbols =
|
||||
LLVMOrcMaterializationResponsibilityGetSymbols(MR, &NumSymbols);
|
||||
|
||||
ASSERT_TRUE(!!Symbols);
|
||||
ASSERT_EQ(NumSymbols, (size_t)1);
|
||||
|
||||
LLVMOrcSymbolStringPoolEntryRef *RequestedSymbols =
|
||||
LLVMOrcMaterializationResponsibilityGetRequestedSymbols(MR, &NumSymbols);
|
||||
|
||||
ASSERT_TRUE(!!RequestedSymbols);
|
||||
ASSERT_EQ(NumSymbols, (size_t)1);
|
||||
|
||||
LLVMOrcCSymbolFlagsMapPair TargetSym = Symbols[0];
|
||||
|
||||
ASSERT_EQ(RequestedSymbols[0], TargetSym.Name);
|
||||
LLVMOrcRetainSymbolStringPoolEntry(TargetSym.Name);
|
||||
|
||||
LLVMOrcDisposeCSymbolFlagsMap(Symbols);
|
||||
LLVMOrcDisposeSymbols(RequestedSymbols);
|
||||
|
||||
LLVMOrcJITTargetAddress Addr = (LLVMOrcJITTargetAddress)(&TargetFn);
|
||||
|
||||
LLVMJITSymbolFlags Flags = {
|
||||
LLVMJITSymbolGenericFlagsExported | LLVMJITSymbolGenericFlagsCallable, 0};
|
||||
ASSERT_EQ(TargetSym.Flags.GenericFlags, Flags.GenericFlags);
|
||||
ASSERT_EQ(TargetSym.Flags.TargetFlags, Flags.TargetFlags);
|
||||
|
||||
LLVMJITEvaluatedSymbol Sym = {Addr, Flags};
|
||||
|
||||
LLVMOrcLLJITRef J = (LLVMOrcLLJITRef)Ctx;
|
||||
|
||||
LLVMOrcSymbolStringPoolEntryRef OtherSymbol =
|
||||
LLVMOrcLLJITMangleAndIntern(J, "other");
|
||||
LLVMOrcSymbolStringPoolEntryRef DependencySymbol =
|
||||
LLVMOrcLLJITMangleAndIntern(J, "dependency");
|
||||
|
||||
LLVMOrcRetainSymbolStringPoolEntry(OtherSymbol);
|
||||
LLVMOrcRetainSymbolStringPoolEntry(DependencySymbol);
|
||||
LLVMOrcCSymbolFlagsMapPair NewSymbols[] = {
|
||||
{OtherSymbol, Flags},
|
||||
{DependencySymbol, Flags},
|
||||
};
|
||||
LLVMOrcMaterializationResponsibilityDefineMaterializing(MR, NewSymbols, 2);
|
||||
|
||||
LLVMOrcRetainSymbolStringPoolEntry(OtherSymbol);
|
||||
LLVMOrcMaterializationResponsibilityRef OtherMR = NULL;
|
||||
{
|
||||
LLVMErrorRef Err = LLVMOrcMaterializationResponsibilityDelegate(
|
||||
MR, &OtherSymbol, 1, &OtherMR);
|
||||
if (Err) {
|
||||
char *ErrMsg = LLVMGetErrorMessage(Err);
|
||||
fprintf(stderr, "Error: %s\n", ErrMsg);
|
||||
LLVMDisposeErrorMessage(ErrMsg);
|
||||
LLVMOrcMaterializationResponsibilityFailMaterialization(MR);
|
||||
LLVMOrcDisposeMaterializationResponsibility(MR);
|
||||
return;
|
||||
}
|
||||
}
|
||||
assert(OtherMR);
|
||||
|
||||
LLVMJITCSymbolMapPair OtherPair = {OtherSymbol, Sym};
|
||||
LLVMOrcMaterializationUnitRef OtherMU = LLVMOrcAbsoluteSymbols(&OtherPair, 1);
|
||||
LLVMOrcMaterializationResponsibilityReplace(OtherMR, OtherMU);
|
||||
// OtherSymbol is no longer owned by us
|
||||
|
||||
// FIXME: Implement async lookup
|
||||
// A real test of the dependence tracking in the success case would require
|
||||
// async lookups. You could:
|
||||
// 1. Materialize foo, making foo depend on other.
|
||||
// 2. In the caller, verify that the lookup callback for foo has not run (due
|
||||
// to the dependence)
|
||||
// 3. Materialize other by looking it up.
|
||||
// 4. In the caller, verify that the lookup callback for foo has now run.
|
||||
|
||||
LLVMOrcRetainSymbolStringPoolEntry(TargetSym.Name);
|
||||
LLVMOrcRetainSymbolStringPoolEntry(DependencySymbol);
|
||||
LLVMOrcCDependenceMapPair Dependency = {JD, {&DependencySymbol, 1}};
|
||||
LLVMOrcMaterializationResponsibilityAddDependencies(MR, TargetSym.Name,
|
||||
&Dependency, 1);
|
||||
|
||||
LLVMOrcRetainSymbolStringPoolEntry(DependencySymbol);
|
||||
LLVMOrcMaterializationResponsibilityAddDependenciesForAll(MR, &Dependency, 1);
|
||||
|
||||
// See FIXME above
|
||||
LLVMJITCSymbolMapPair Pair = {DependencySymbol, Sym};
|
||||
LLVMOrcMaterializationResponsibilityNotifyResolved(MR, &Pair, 1);
|
||||
// DependencySymbol no longer owned by us
|
||||
|
||||
Pair = {TargetSym.Name, Sym};
|
||||
LLVMOrcMaterializationResponsibilityNotifyResolved(MR, &Pair, 1);
|
||||
|
||||
LLVMOrcMaterializationResponsibilityNotifyEmitted(MR);
|
||||
LLVMOrcDisposeMaterializationResponsibility(MR);
|
||||
return;
|
||||
}
|
||||
|
||||
TEST_F(OrcCAPITestBase, MaterializationResponsibility) {
|
||||
LLVMJITSymbolFlags Flags = {
|
||||
LLVMJITSymbolGenericFlagsExported | LLVMJITSymbolGenericFlagsCallable, 0};
|
||||
LLVMOrcCSymbolFlagsMapPair Sym = {LLVMOrcLLJITMangleAndIntern(Jit, "foo"),
|
||||
Flags};
|
||||
|
||||
LLVMOrcMaterializationUnitRef MU = LLVMOrcCreateCustomMaterializationUnit(
|
||||
"MU", (void *)Jit, &Sym, 1, NULL, &Materialize, NULL, &Destroy);
|
||||
LLVMOrcJITDylibRef JD = LLVMOrcLLJITGetMainJITDylib(Jit);
|
||||
LLVMOrcJITDylibDefine(JD, MU);
|
||||
|
||||
LLVMOrcJITTargetAddress Addr;
|
||||
if (LLVMErrorRef Err = LLVMOrcLLJITLookup(Jit, &Addr, "foo")) {
|
||||
FAIL() << "foo was not materialized " << toString(Err);
|
||||
}
|
||||
ASSERT_TRUE(!!Addr);
|
||||
ASSERT_EQ(Addr, (LLVMOrcJITTargetAddress)&TargetFn);
|
||||
|
||||
if (LLVMErrorRef Err = LLVMOrcLLJITLookup(Jit, &Addr, "other")) {
|
||||
FAIL() << "other was not materialized " << toString(Err);
|
||||
}
|
||||
ASSERT_TRUE(!!Addr);
|
||||
ASSERT_EQ(Addr, (LLVMOrcJITTargetAddress)&TargetFn);
|
||||
|
||||
if (LLVMErrorRef Err = LLVMOrcLLJITLookup(Jit, &Addr, "dependency")) {
|
||||
FAIL() << "dependency was not materialized " << toString(Err);
|
||||
}
|
||||
ASSERT_TRUE(!!Addr);
|
||||
ASSERT_EQ(Addr, (LLVMOrcJITTargetAddress)&TargetFn);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue