[llvm] [BPF] Fix miscompile when conditional branch targets empty MBB (PR #216913)

via llvm-commits llvm-commits at lists.llvm.org
Mon Aug 17 22:05:53 PDT 2026


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 cpp -- llvm/lib/Target/BPF/BPFMIPeephole.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/BPF/BPFMIPeephole.cpp b/llvm/lib/Target/BPF/BPFMIPeephole.cpp
index 15fc9b0c5..bb5a14497 100644
--- a/llvm/lib/Target/BPF/BPFMIPeephole.cpp
+++ b/llvm/lib/Target/BPF/BPFMIPeephole.cpp
@@ -779,8 +779,9 @@ static bool isZeroInstructionMBB(const MachineBasicBlock &MBB) {
   return !any_of(MBB.instrs(), emitsBPFCode);
 }
 
-static void collectCondBranchTargets(
-    MachineFunction &MF, SmallPtrSet<MachineBasicBlock *, 8> &Targets) {
+static void
+collectCondBranchTargets(MachineFunction &MF,
+                         SmallPtrSet<MachineBasicBlock *, 8> &Targets) {
   for (MachineBasicBlock &MBB : MF) {
     for (MachineInstr &Term : MBB.terminators()) {
       if (!Term.isConditionalBranch())

``````````

</details>


https://github.com/llvm/llvm-project/pull/216913


More information about the llvm-commits mailing list