[llvm] [clang] [PowerPC] Implement fence builtin (PR #76495)

[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 36fd7291cdd85b2820000950d3782758353d259e aaa11bc775b9aa3a0398ba2bbca4087e99f04243 -- clang/lib/Basic/Targets/PPC.cpp llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
``````````

</details>

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

``````````diff
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index af55c6cf33..538e0e6b3d 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -2156,7 +2156,8 @@ bool PPCInstrInfo::isSchedulingBoundary(const MachineInstr &MI,
                                         const MachineBasicBlock *MBB,
                                         const MachineFunction &MF) const {
   switch (MI.getOpcode()) {
-  default: break;
+  default:
+    break;
   // Set MFFS and MTFSF as scheduling boundary to avoid unexpected code motion
   // across them, since some FP operations may change content of FPSCR.
   // TODO: Model FPSCR in PPC instruction definitions and remove the workaround

``````````

</details>


https://github.com/llvm/llvm-project/pull/76495