[llvm] [InstCombine] Added optimisation for trunc (Pow2 >> x) to i1 (PR #157030)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
``````````

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``````````diff
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
index df47acdb8..152d6f0b7 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
@@ -975,8 +975,7 @@ Instruction *InstCombinerImpl::visitTrunc(TruncInst &Trunc) {
   Value *V1;
   // OP = { lshr, ashr }
   // trunc ( OP i8 C1, V1) to i1 -> icmp eq V1, log_2(C1) iff C1 is power of 2
-  if (DestWidth == 1 &&
-      match(Src, m_Shr(m_Power2(C1), m_Value(V1)))) {
+  if (DestWidth == 1 && match(Src, m_Shr(m_Power2(C1), m_Value(V1)))) {
     Value *Right = ConstantInt::get(V1->getType(), C1->countr_zero());
     Value *Icmp = Builder.CreateICmpEQ(V1, Right);
     return replaceInstUsesWith(Trunc, Icmp);

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https://github.com/llvm/llvm-project/pull/157030