[llvm] [RISCV] Improve performCONCAT_VECTORCombine stride matching (PR #68726)

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git-clang-format --diff e2f493bed3ecbc8748cfb61512c3e3cd8bb2b613 3df4f10830e89a26277187ff1e03d9c08424442c -- llvm/lib/Target/RISCV/RISCVISelLowering.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 955674bd1..62719e494 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -13822,7 +13822,7 @@ static SDValue performCONCAT_VECTORSCombine(SDNode *N, SelectionDAG &DAG,
     Align = std::min(Align, Ld->getAlign());
   }
 
-   // If the load ptrs can be decomposed into a common (Base + Index) with a
+  // If the load ptrs can be decomposed into a common (Base + Index) with a
   // common constant stride, then return the constant stride. This matcher
   // enables some additional optimization since BaseIndexOffset is capable of
   // decomposing the load ptrs to (add (add Base, Index), Stride) instead of
@@ -13915,7 +13915,7 @@ static SDValue performCONCAT_VECTORSCombine(SDNode *N, SelectionDAG &DAG,
   SDValue Stride = matchForwardStrided(Ptrs);
   if (!Stride) {
     Stride = matchReverseStrided(Ptrs);
-      if (Stride) {
+    if (Stride) {
       Reversed = true;
       Stride = DAG.getNegative(Stride, DL, Stride->getValueType(0));
     } else {
@@ -13923,7 +13923,7 @@ static SDValue performCONCAT_VECTORSCombine(SDNode *N, SelectionDAG &DAG,
       if (Stride) {
         Reversed = cast<ConstantSDNode>(Stride)->getSExtValue() < 0;
       } else {
-          return SDValue();
+        return SDValue();
       }
     }
   }
@@ -13946,9 +13946,8 @@ static SDValue performCONCAT_VECTORSCombine(SDNode *N, SelectionDAG &DAG,
     return SDValue();
 
   SDVTList VTs = DAG.getVTList({WideVecVT, MVT::Other});
-  SDValue IntID =
-    DAG.getTargetConstant(Intrinsic::riscv_masked_strided_load, DL,
-                          Subtarget.getXLenVT());
+  SDValue IntID = DAG.getTargetConstant(Intrinsic::riscv_masked_strided_load,
+                                        DL, Subtarget.getXLenVT());
   SDValue AllOneMask =
     DAG.getSplat(WideVecVT.changeVectorElementType(MVT::i1), DL,
                  DAG.getConstant(1, DL, MVT::i1));

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https://github.com/llvm/llvm-project/pull/68726