[clang] [llvm] [LFI][X86] Add X86 LFI target and system instruction rewrites (PR #189569)

[via cfe-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/lib/Target/X86/MCTargetDesc/X86MCLFIRewriter.cpp llvm/lib/Target/X86/MCTargetDesc/X86MCLFIRewriter.h clang/lib/Basic/Targets/X86.cpp llvm/include/llvm/TargetParser/Triple.h llvm/lib/MC/MCLFI.cpp llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp llvm/lib/Target/X86/X86ISelLoweringCall.cpp llvm/lib/Target/X86/X86RegisterInfo.cpp llvm/lib/Target/X86/X86Subtarget.h llvm/lib/TargetParser/Triple.cpp --diff_from_common_commit
``````````

:warning:
The reproduction instructions above might return results for more than one PR
in a stack if you are using a stacked PR workflow. You can limit the results by
changing `origin/main` to the base branch/commit you want to compare against.
:warning:

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp b/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
index 67ab5753f..0630abac3 100644
--- a/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
+++ b/llvm/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
@@ -700,9 +700,11 @@ static MCInstrAnalysis *createX86MCInstrAnalysis(const MCInstrInfo *Info) {
 }
 
 static MCLFIRewriter *
-createX86MCLFIRewriter(MCContext &Ctx, std::unique_ptr<MCRegisterInfo> &&RegInfo,
+createX86MCLFIRewriter(MCContext &Ctx,
+                       std::unique_ptr<MCRegisterInfo> &&RegInfo,
                        std::unique_ptr<MCInstrInfo> &&InstInfo) {
-  return new X86::X86MCLFIRewriter(Ctx, std::move(RegInfo), std::move(InstInfo));
+  return new X86::X86MCLFIRewriter(Ctx, std::move(RegInfo),
+                                   std::move(InstInfo));
 }
 
 // Force static initialization.

``````````

</details>


https://github.com/llvm/llvm-project/pull/189569