[llvm] [InstCombine] Optimize unneeded float to int cast when icmp (PR #155501)

via llvm-commits llvm-commits at lists.llvm.org
Sun Sep 7 04:46:45 PDT 2025


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

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``````````diff
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index e78c3dc77..5b0a7d878 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -7624,7 +7624,8 @@ Instruction *InstCombinerImpl::foldICmpCommutative(CmpPredicate Pred,
 /// \return result constant
 static Constant *castIntegralConstantToFloat(Constant *C, Type *FPType,
                                              int Addend, const DataLayout &DL) {
-  assert(FPType->isFPOrFPVectorTy() && "fptosi operand must have floating point type");
+  assert(FPType->isFPOrFPVectorTy() &&
+         "fptosi operand must have floating point type");
 
   Constant *CWithAddend = ConstantFoldBinaryOpOperands(
       Instruction::Add, C, ConstantInt::getSigned(C->getType(), Addend), DL);

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https://github.com/llvm/llvm-project/pull/155501


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