[llvm] [ScalarEvolution] howManyLessThans infer stride isPositive from guard (PR #214014)
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Mon Sep 14 12:52:19 PDT 2026
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git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Analysis/ScalarEvolution.cpp --diff_from_common_commit
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``````````diff
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index beee7137e..a57c489b5 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -13439,7 +13439,7 @@ ScalarEvolution::howManyLessThans(const SCEV *LHS, const SCEV *RHS,
bool PositiveStride = isKnownPositive(Stride);
// A dominating guard may prove the stride positive.
if (!PositiveStride) {
- const SCEV* LoopGuardedStride = applyLoopGuards(Stride, L);
+ const SCEV *LoopGuardedStride = applyLoopGuards(Stride, L);
if (isKnownPositive(LoopGuardedStride)) {
GuardedStride = LoopGuardedStride;
PositiveStride = true;
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https://github.com/llvm/llvm-project/pull/214014
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