[llvm] [DAG] SimplifyDemandedBits - ICMP_SLT(X, 0) - only sign mask of X is required (PR #164946)

[via llvm-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 cpp -- llvm/lib/CodeGen/SelectionDAG/TargetLowering.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/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 0608521b4..38895ec9a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1754,12 +1754,13 @@ bool TargetLowering::SimplifyDemandedBits(
     SDValue Op0 = Op.getOperand(0);
     SDValue Op1 = Op.getOperand(1);
     ISD::CondCode CC = cast<CondCodeSDNode>(Op.getOperand(2))->get();
-    // If we're testing X < 0 or X >= 0 then we only need the sign mask of the previous
-    // result
+    // If we're testing X < 0 or X >= 0 then we only need the sign mask of the
+    // previous result
     // FIXME: We're limiting to integer types here, but this should also work
     // if we don't care about FP signed-zero. The use of SETLT with FP means
     // that we don't care about NaNs.
-    if ((CC == ISD::SETLT || CC == ISD::SETGE) && Op1.getValueType().isInteger() &&
+    if ((CC == ISD::SETLT || CC == ISD::SETGE) &&
+        Op1.getValueType().isInteger() &&
         (isNullConstant(Op1) || ISD::isBuildVectorAllZeros(Op1.getNode()))) {
       KnownBits KnownOp0;
       bool Changed = false;

``````````

</details>


https://github.com/llvm/llvm-project/pull/164946