[llvm] [GISel][AArch64] Added more efficient lowering of Bitreverse (PR #139233)

[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:

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index a0ec0068c..8b33874e5 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -8971,7 +8971,6 @@ LegalizerHelper::LegalizeResult LegalizerHelper::lowerBswap(MachineInstr &MI) {
   return Legalized;
 }
 
-
 LegalizerHelper::LegalizeResult
 LegalizerHelper::lowerBitreverse(MachineInstr &MI) {
   auto [Dst, Src] = MI.getFirst2Regs();
@@ -8986,7 +8985,7 @@ LegalizerHelper::lowerBitreverse(MachineInstr &MI) {
   }
 
   auto BSWAP = MIRBuilder.buildBSwap(SrcTy, Src);
-  auto Cast = MIRBuilder.buildBitcast(VTy , BSWAP);
+  auto Cast = MIRBuilder.buildBitcast(VTy, BSWAP);
   auto RBIT = MIRBuilder.buildBitReverse(VTy, Cast);
   MIRBuilder.buildBitcast(Dst, RBIT);
 

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https://github.com/llvm/llvm-project/pull/139233