128 lines
4.5 KiB
Diff
128 lines
4.5 KiB
Diff
From 2d4fe5f229791fde52846b3f583c12508b5109d6 Mon Sep 17 00:00:00 2001
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From: Dave Airlie <airlied@redhat.com>
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Date: Fri, 25 Aug 2023 12:43:44 +1000
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Subject: [PATCH] clover/llvm: move to modern pass manager.
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This seems like it should work, but I haven't tested it yet.
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Tested-by: Dieter Nützel <Dieter@nuetzel-hh.de>
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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24879>
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---
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.../frontends/clover/llvm/invocation.cpp | 64 +++++++++++++++----
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1 file changed, 51 insertions(+), 13 deletions(-)
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diff --git a/src/gallium/frontends/clover/llvm/invocation.cpp b/src/gallium/frontends/clover/llvm/invocation.cpp
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index 7a50fea3323..43d26fe1abb 100644
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--- a/src/gallium/frontends/clover/llvm/invocation.cpp
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+++ b/src/gallium/frontends/clover/llvm/invocation.cpp
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@@ -27,13 +27,17 @@
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#include <llvm/IR/DiagnosticPrinter.h>
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#include <llvm/IR/DiagnosticInfo.h>
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#include <llvm/IR/LLVMContext.h>
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+#include <llvm/IR/Module.h>
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#include <llvm/Support/raw_ostream.h>
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-#include <llvm/Transforms/IPO/PassManagerBuilder.h>
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+#include <llvm/Transforms/IPO/Internalize.h>
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#include <llvm-c/Target.h>
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#ifdef HAVE_CLOVER_SPIRV
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#include <LLVMSPIRVLib/LLVMSPIRVLib.h>
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#endif
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+#include <llvm-c/TargetMachine.h>
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+#include <llvm-c/Transforms/PassBuilder.h>
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+#include <llvm/Support/CBindingWrapping.h>
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#include <clang/CodeGen/CodeGenAction.h>
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#include <clang/Lex/PreprocessorOptions.h>
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#include <clang/Frontend/TextDiagnosticBuffer.h>
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@@ -439,10 +443,10 @@ clover::llvm::compile_program(const std::string &source,
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namespace {
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void
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- optimize(Module &mod, unsigned optimization_level,
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+ optimize(Module &mod,
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+ const std::string& ir_target,
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+ unsigned optimization_level,
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bool internalize_symbols) {
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- ::llvm::legacy::PassManager pm;
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-
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// By default, the function internalizer pass will look for a function
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// called "main" and then mark all other functions as internal. Marking
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// functions as internal enables the optimizer to perform optimizations
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@@ -458,19 +462,53 @@ namespace {
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if (internalize_symbols) {
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std::vector<std::string> names =
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map(std::mem_fn(&Function::getName), get_kernels(mod));
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- pm.add(::llvm::createInternalizePass(
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+ internalizeModule(mod,
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[=](const ::llvm::GlobalValue &gv) {
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return std::find(names.begin(), names.end(),
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gv.getName()) != names.end();
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- }));
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+ });
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}
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- ::llvm::PassManagerBuilder pmb;
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- pmb.OptLevel = optimization_level;
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- pmb.LibraryInfo = new ::llvm::TargetLibraryInfoImpl(
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- ::llvm::Triple(mod.getTargetTriple()));
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- pmb.populateModulePassManager(pm);
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- pm.run(mod);
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+
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+ const char *opt_str = NULL;
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+ LLVMCodeGenOptLevel level;
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+ switch (optimization_level) {
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+ case 0:
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+ default:
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+ opt_str = "default<O0>";
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+ level = LLVMCodeGenLevelNone;
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+ break;
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+ case 1:
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+ opt_str = "default<O1>";
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+ level = LLVMCodeGenLevelLess;
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+ break;
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+ case 2:
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+ opt_str = "default<O2>";
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+ level = LLVMCodeGenLevelDefault;
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+ break;
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+ case 3:
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+ opt_str = "default<O3>";
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+ level = LLVMCodeGenLevelAggressive;
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+ break;
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+ }
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+
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+ const target &target = ir_target;
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+ LLVMTargetRef targ;
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+ char *err_message;
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+
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+ if (LLVMGetTargetFromTriple(target.triple.c_str(), &targ, &err_message))
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+ return;
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+ LLVMTargetMachineRef tm =
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+ LLVMCreateTargetMachine(targ, target.triple.c_str(),
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+ target.cpu.c_str(), "", level,
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+ LLVMRelocDefault, LLVMCodeModelDefault);
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+
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+ if (!tm)
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+ return;
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+ LLVMPassBuilderOptionsRef opts = LLVMCreatePassBuilderOptions();
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+ LLVMRunPasses(wrap(&mod), opt_str, tm, opts);
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+
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+ LLVMDisposeTargetMachine(tm);
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}
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std::unique_ptr<Module>
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@@ -500,7 +538,7 @@ clover::llvm::link_program(const std::vector<binary> &binaries,
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auto c = create_compiler_instance(dev, dev.ir_target(), options, r_log);
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auto mod = link(*ctx, *c, binaries, r_log);
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- optimize(*mod, c->getCodeGenOpts().OptimizationLevel, !create_library);
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+ optimize(*mod, dev.ir_target(), c->getCodeGenOpts().OptimizationLevel, !create_library);
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static std::atomic_uint seq(0);
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const std::string id = "." + mod->getModuleIdentifier() + "-" +
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--
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2.42.0
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