[llvm] [ARM] Port LowerSELECTWithCmpZero to ARM (PR #151890)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Target/ARM/ARMISelLowering.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index e0bcfa78b..179dd86e1 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -5174,7 +5174,7 @@ static SDValue LowerSELECTWithCmpZero(SDValue CmpVal, SDValue LHS, SDValue RHS,
       return SplatLSB(VT);
 
     // SELECT (AND(X,1) == 0), C1, C2 -> XOR(C1,AND(NEG(AND(X,1)),XOR(C1,C2))
-    if (Subtarget.isThumb1Only()  && isa<ConstantSDNode>(LHS) &&
+    if (Subtarget.isThumb1Only() && isa<ConstantSDNode>(LHS) &&
         isa<ConstantSDNode>(RHS)) {
       SDValue Mask = SplatLSB(VT);
       SDValue Diff = DAG.getNode(ISD::XOR, DL, VT, LHS, RHS);
@@ -5233,14 +5233,14 @@ static SDValue LowerSELECTWithCmpZero(SDValue CmpVal, SDValue LHS, SDValue RHS,
     // SELECT (AND(X,1) == 0), Y, (SHL Y, Z) -> (SHL Y, (AND NEG(AND(X,1)), Z))
     // SELECT (AND(X,1) == 0), Y, (SRA Y, Z) -> (SRA Y, (AND NEG(AND(X,1)), Z))
     // SELECT (AND(X,1) == 0), Y, (SRL Y, Z) -> (SRL Y, (AND NEG(AND(X,1)), Z))
-    if (Subtarget.isThumb1Only()  && isIdentityPatternZero()) {
+    if (Subtarget.isThumb1Only() && isIdentityPatternZero()) {
       SDValue Mask = SplatLSB(Src1.getValueType());
       SDValue And = DAG.getNode(ISD::AND, DL, Src1.getValueType(), Mask,
                                 Src1);                        // Mask & z
       return DAG.getNode(RHS.getOpcode(), DL, VT, Src2, And); // y Op And
     }
     // SELECT (AND(X,1) == 0), (AND Y, Z), Y -> (AND Y, (OR NEG(AND(X, 1)), Z))
-    if (Subtarget.isThumb1Only()  && isIdentityPatternOnes()) {
+    if (Subtarget.isThumb1Only() && isIdentityPatternOnes()) {
       SDValue Mask = SplatLSB(VT);
       SDValue Or = DAG.getNode(ISD::OR, DL, VT, Mask, Src1); // Mask | z
       return DAG.getNode(LHS.getOpcode(), DL, VT, Src2, Or); // y Op Or

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https://github.com/llvm/llvm-project/pull/151890