Revert "LibJS/Bytecode: Don't replace the entry block in MergeBlocks"

This reverts commit acd29e064c.
Author: https://github.com/awesomekling Commit: https://github.com/SerenityOS/serenity/commit/b37d84be58
2024-03-06 08:36:13 +01:00 · 2024-03-06 08:36:13 +01:00 · b37d84be58 · 2024-07-16 22:26:05 +09:00
commit b37d84be58
parent cf81bf48c6
1 changed files with 1 additions and 2 deletions
--- a/Userland/Libraries/LibJS/Bytecode/Pass/MergeBlocks.cpp
+++ b/Userland/Libraries/LibJS/Bytecode/Pass/MergeBlocks.cpp
@ -36,8 +36,7 @@ void MergeBlocks::perform(PassPipelineExecutable& executable)
        if (entry.key->terminator()->type() != Instruction::Type::Jump)
            continue;

-        // NOTE: We can't replace the first block in a function, as it's the entry block.
-        if (entry.key != executable.executable.basic_blocks.first()) {
+        {
            InstructionStreamIterator it { entry.key->instruction_stream() };
            auto& first_instruction = *it;
            if (first_instruction.type() == Instruction::Type::Jump) {