From 38c3625725864128df060d619897d0b9ef1763a9 Mon Sep 17 00:00:00 2001
From: "Ward Nakchbandi (Cosmic Fusion)"
 <83735213+CosmicFusion@users.noreply.github.com>
Date: Thu, 5 Oct 2023 23:15:36 +0300
Subject: [PATCH]

---
 main.sh              |   1 +
 main32.sh            |   1 +
 patches/llvm17.patch | 106 +++++++++++++++++++++++++++++++++++++++++++
 patches/series       |   1 +
 4 files changed, 109 insertions(+)
 create mode 100644 patches/llvm17.patch
 create mode 100644 patches/series

diff --git a/main.sh b/main.sh
index b188f8d..030c1bb 100755
--- a/main.sh
+++ b/main.sh
@@ -5,6 +5,7 @@ set -e
 git clone https://gitlab.freedesktop.org/mesa/mesa -b mesa-23.2.1
 cp -rvf ./debian ./mesa/
 cd ./mesa
+for i in $(cat ../patches/series) ; do echo "Applying Patch: $i" && patch -Np1 -i ../patches/$i || bash -c "echo "Applying Patch $i Failed!" && exit 2"; done
 sed -i ' 1 s/.*/& - PikaOS YellowBirb Mesa Stable/' ./VERSION
 
 # Get build deps
diff --git a/main32.sh b/main32.sh
index b188f8d..030c1bb 100755
--- a/main32.sh
+++ b/main32.sh
@@ -5,6 +5,7 @@ set -e
 git clone https://gitlab.freedesktop.org/mesa/mesa -b mesa-23.2.1
 cp -rvf ./debian ./mesa/
 cd ./mesa
+for i in $(cat ../patches/series) ; do echo "Applying Patch: $i" && patch -Np1 -i ../patches/$i || bash -c "echo "Applying Patch $i Failed!" && exit 2"; done
 sed -i ' 1 s/.*/& - PikaOS YellowBirb Mesa Stable/' ./VERSION
 
 # Get build deps
diff --git a/patches/llvm17.patch b/patches/llvm17.patch
new file mode 100644
index 0000000..7a8e0de
--- /dev/null
+++ b/patches/llvm17.patch
@@ -0,0 +1,106 @@
+--- mesa/src/gallium/frontends/clover/llvm/invocation.cpp	2023-01-21 08:54:07.903736459 -0400
++++ invocation.cpp	2023-09-04 14:06:25.213896411 -0300
+@@ -27,13 +27,17 @@
+ #include <llvm/IR/DiagnosticPrinter.h>
+ #include <llvm/IR/DiagnosticInfo.h>
+ #include <llvm/IR/LLVMContext.h>
++#include <llvm/IR/Module.h>
+ #include <llvm/Support/raw_ostream.h>
+-#include <llvm/Transforms/IPO/PassManagerBuilder.h>
++#include <llvm/Transforms/IPO/Internalize.h>
+ #include <llvm-c/Target.h>
+ #ifdef HAVE_CLOVER_SPIRV
+ #include <LLVMSPIRVLib/LLVMSPIRVLib.h>
+ #endif
+ 
++#include <llvm-c/TargetMachine.h>
++#include <llvm-c/Transforms/PassBuilder.h>
++#include <llvm/Support/CBindingWrapping.h>
+ #include <clang/CodeGen/CodeGenAction.h>
+ #include <clang/Lex/PreprocessorOptions.h>
+ #include <clang/Frontend/TextDiagnosticBuffer.h>
+@@ -439,10 +443,10 @@ clover::llvm::compile_program(const std:
+ 
+ namespace {
+    void
+-   optimize(Module &mod, unsigned optimization_level,
++   optimize(Module &mod,
++            const std::string& ir_target,
++            unsigned optimization_level,
+             bool internalize_symbols) {
+-      ::llvm::legacy::PassManager pm;
+-
+       // By default, the function internalizer pass will look for a function
+       // called "main" and then mark all other functions as internal.  Marking
+       // functions as internal enables the optimizer to perform optimizations
+@@ -458,19 +462,53 @@ namespace {
+       if (internalize_symbols) {
+          std::vector<std::string> names =
+             map(std::mem_fn(&Function::getName), get_kernels(mod));
+-         pm.add(::llvm::createInternalizePass(
++         internalizeModule(mod,
+                       [=](const ::llvm::GlobalValue &gv) {
+                          return std::find(names.begin(), names.end(),
+                                           gv.getName()) != names.end();
+-                      }));
++                      });
++      }
++
++
++      const char *opt_str = NULL;
++      LLVMCodeGenOptLevel level;
++      switch (optimization_level) {
++      case 0:
++      default:
++         opt_str = "default<O0>";
++         level = LLVMCodeGenLevelNone;
++         break;
++      case 1:
++         opt_str = "default<O1>";
++         level = LLVMCodeGenLevelLess;
++         break;
++      case 2:
++         opt_str = "default<O2>";
++         level = LLVMCodeGenLevelDefault;
++         break;
++      case 3:
++         opt_str = "default<O3>";
++         level = LLVMCodeGenLevelAggressive;
++         break;
+       }
+ 
+-      ::llvm::PassManagerBuilder pmb;
+-      pmb.OptLevel = optimization_level;
+-      pmb.LibraryInfo = new ::llvm::TargetLibraryInfoImpl(
+-         ::llvm::Triple(mod.getTargetTriple()));
+-      pmb.populateModulePassManager(pm);
+-      pm.run(mod);
++      const target &target = ir_target;
++      LLVMTargetRef targ;
++      char *err_message;
++
++      if (LLVMGetTargetFromTriple(target.triple.c_str(), &targ, &err_message))
++         return;
++      LLVMTargetMachineRef tm =
++         LLVMCreateTargetMachine(targ, target.triple.c_str(),
++                                 target.cpu.c_str(), "", level,
++                                 LLVMRelocDefault, LLVMCodeModelDefault);
++
++      if (!tm)
++         return;
++      LLVMPassBuilderOptionsRef opts = LLVMCreatePassBuilderOptions();
++      LLVMRunPasses(wrap(&mod), opt_str, tm, opts);
++
++      LLVMDisposeTargetMachine(tm);
+    }
+ 
+    std::unique_ptr<Module>
+@@ -500,7 +538,7 @@ clover::llvm::link_program(const std::ve
+    auto c = create_compiler_instance(dev, dev.ir_target(), options, r_log);
+    auto mod = link(*ctx, *c, binaries, r_log);
+ 
+-   optimize(*mod, c->getCodeGenOpts().OptimizationLevel, !create_library);
++   optimize(*mod, dev.ir_target(), c->getCodeGenOpts().OptimizationLevel, !create_library);
+ 
+    static std::atomic_uint seq(0);
+    const std::string id = "." + mod->getModuleIdentifier() + "-" +
diff --git a/patches/series b/patches/series
new file mode 100644
index 0000000..e60353f
--- /dev/null
+++ b/patches/series
@@ -0,0 +1 @@
+llvm17.patch
\ No newline at end of file