[llvm] [CodeGenPrepare] Prepare the usubo check with the opposite overflow condition (PR #147194)
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Sun Jul 6 08:35:15 PDT 2025
github-actions[bot] wrote:
<!--LLVM CODE FORMAT COMMENT: {clang-format}-->
:warning: C/C++ code formatter, clang-format found issues in your code. :warning:
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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/CodeGen/CodeGenPrepare.cpp
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<details>
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index 303fb8d08..ee0f9e855 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -470,7 +470,8 @@ private:
bool tryToSinkFreeOperands(Instruction *I);
bool replaceMathCmpWithIntrinsic(BinaryOperator *BO, Value *Arg0, Value *Arg1,
- CmpInst *Cmp, Intrinsic::ID IID, bool NegateOverflow = false);
+ CmpInst *Cmp, Intrinsic::ID IID,
+ bool NegateOverflow = false);
bool optimizeCmp(CmpInst *Cmp, ModifyDT &ModifiedDT);
bool optimizeURem(Instruction *Rem);
bool combineToUSubWithOverflow(CmpInst *Cmp, ModifyDT &ModifiedDT);
@@ -1553,7 +1554,8 @@ static bool isIVIncrement(const Value *V, const LoopInfo *LI) {
bool CodeGenPrepare::replaceMathCmpWithIntrinsic(BinaryOperator *BO,
Value *Arg0, Value *Arg1,
CmpInst *Cmp,
- Intrinsic::ID IID, bool NegateOverflow) {
+ Intrinsic::ID IID,
+ bool NegateOverflow) {
auto IsReplacableIVIncrement = [this, &Cmp](BinaryOperator *BO) {
if (!isIVIncrement(BO, LI))
return false;
``````````
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https://github.com/llvm/llvm-project/pull/147194
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