diff --git a/src/r_compiler/llvmdrawers.cpp b/src/r_compiler/llvmdrawers.cpp
index ae9dcb662..9391e7e20 100644
--- a/src/r_compiler/llvmdrawers.cpp
+++ b/src/r_compiler/llvmdrawers.cpp
@@ -434,6 +434,9 @@ LLVMProgram::LLVMProgram()
 	passManagerBuilder.OptLevel = 3;
 	passManagerBuilder.SizeLevel = 0;
 	passManagerBuilder.Inliner = createFunctionInliningPass();
+	passManagerBuilder.SLPVectorize = true;
+	passManagerBuilder.LoopVectorize = true;
+	passManagerBuilder.LoadCombine = true;
 	passManagerBuilder.populateModulePassManager(*mModulePassManager.get());
 	passManagerBuilder.populateFunctionPassManager(*mFunctionPassManager.get());
 }
diff --git a/src/r_compiler/ssa/ssa_for_block.cpp b/src/r_compiler/ssa/ssa_for_block.cpp
index f7cd6ad0b..0f7e01e19 100644
--- a/src/r_compiler/ssa/ssa_for_block.cpp
+++ b/src/r_compiler/ssa/ssa_for_block.cpp
@@ -13,9 +13,22 @@ SSAForBlock::SSAForBlock()
 	SSAScope::builder().SetInsertPoint(if_basic_block);
 }
 
-void SSAForBlock::loop_block(SSABool true_condition)
+void SSAForBlock::loop_block(SSABool true_condition, int unroll_count)
 {
-	SSAScope::builder().CreateCondBr(true_condition.v, loop_basic_block, end_basic_block);
+	auto branch = SSAScope::builder().CreateCondBr(true_condition.v, loop_basic_block, end_basic_block);
+	if (unroll_count > 0)
+	{
+		using namespace llvm;
+		auto md_unroll_enable = MDNode::get(SSAScope::context(), {
+			MDString::get(SSAScope::context(), "llvm.loop.unroll.enable")
+		});
+		auto md_unroll_count = MDNode::get(SSAScope::context(), {
+			MDString::get(SSAScope::context(), "llvm.loop.unroll.count"),
+			ConstantAsMetadata::get(ConstantInt::get(SSAScope::context(), APInt(32, unroll_count)))
+		});
+		auto md_loop = MDNode::getDistinct(SSAScope::context(), { md_unroll_enable, md_unroll_count });
+		branch->setMetadata(LLVMContext::MD_loop, md_loop);
+	}
 	SSAScope::builder().SetInsertPoint(loop_basic_block);
 }
 
diff --git a/src/r_compiler/ssa/ssa_for_block.h b/src/r_compiler/ssa/ssa_for_block.h
index 4c1952c14..9dddef4d6 100644
--- a/src/r_compiler/ssa/ssa_for_block.h
+++ b/src/r_compiler/ssa/ssa_for_block.h
@@ -7,7 +7,7 @@ class SSAForBlock
 {
 public:
 	SSAForBlock();
-	void loop_block(SSABool true_condition);
+	void loop_block(SSABool true_condition, int unroll_count = 8);
 	void end_block();
 
 private: