[llvm] [AggressiveInstCombine] Fold i64 x i64 -> i128 multiply-by-parts (PR #156879)
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Thu Sep 4 06:03:07 PDT 2025
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
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``````````diff
diff --git a/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp b/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
index cc9c341da..b5e514811 100644
--- a/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
+++ b/llvm/lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp
@@ -1621,7 +1621,7 @@ static bool foldMul128High(Instruction &I, const DataLayout &DL,
/// %u2 = add nuw i64 %u0_hi, %t3
/// %hw64 = add nuw i64 %u2, %u1_hi
static bool foldMul128HighVariant(Instruction &I, const DataLayout &DL,
- DominatorTree &DT) {
+ DominatorTree &DT) {
auto *Ty = I.getType();
if (!Ty->isIntegerTy(64))
return false;
``````````
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https://github.com/llvm/llvm-project/pull/156879
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