[llvm] [InstCombine] fold (Binop phi(a, b) phi(b, a)) -> (Binop a, b) while Binop is commutative. (PR #75765)

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git-clang-format --diff 4faeb7dbe9a4d35ea3556a319a814fe7c5d6c27c 038aae23988a850be3bae164e71f12f4053e61b0 -- llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp llvm/lib/Transforms/InstCombine/InstCombineInternal.h llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
index ad57a3fc67..eed31af916 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
@@ -4469,7 +4469,7 @@ Instruction *InstCombinerImpl::visitXor(BinaryOperator &I) {
   Value *Op0 = I.getOperand(0), *Op1 = I.getOperand(1);
 
   if (Value *V = SimplifyPhiCommutativeBinaryOp(I, Op0, Op1))
-      return replaceInstUsesWith(I, V);
+    return replaceInstUsesWith(I, V);
 
   // Fold (X & M) ^ (Y & ~M) -> (X & M) | (Y & ~M)
   // This it a special case in haveNoCommonBitsSet, but the computeKnownBits

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https://github.com/llvm/llvm-project/pull/75765