[llvm] [SROA] Preserve inherited alignment when rewriting allocas (PR #222967)

via llvm-commits llvm-commits at lists.llvm.org
Fri Sep 11 16:49:53 PDT 2026


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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Scalar/SROA.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp
index 0931cdbc2..68757e2d3 100644
--- a/llvm/lib/Transforms/Scalar/SROA.cpp
+++ b/llvm/lib/Transforms/Scalar/SROA.cpp
@@ -5578,9 +5578,10 @@ SROA::rewritePartition(AllocaInst &AI, AllocaSlices &AS, Partition &P) {
   } else {
     // Make sure the alignment is compatible with P.beginOffset().
     const Align Alignment = commonAlignment(AI.getAlign(), P.beginOffset());
-    NewAI = new AllocaInst(
-        PartitionTy, AI.getAddressSpace(), nullptr, Alignment,
-        AI.getName() + ".sroa." + Twine(P.begin() - AS.begin()), AI.getIterator());
+    NewAI =
+        new AllocaInst(PartitionTy, AI.getAddressSpace(), nullptr, Alignment,
+                       AI.getName() + ".sroa." + Twine(P.begin() - AS.begin()),
+                       AI.getIterator());
     // Copy the old AI debug location over to the new one.
     NewAI->setDebugLoc(AI.getDebugLoc());
     ++NumNewAllocas;

``````````

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https://github.com/llvm/llvm-project/pull/222967


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