[llvm] [VectorCombine] Fold chain of (scalar load)->ext->ext to load->ext. (PR #141109)

[via llvm-commits]

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/Transforms/Vectorize/VectorCombine.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/Transforms/Vectorize/VectorCombine.cpp b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
index b0839f907..2e9480c83 100644
--- a/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
+++ b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
@@ -2819,8 +2819,10 @@ bool VectorCombine::foldShuffleExtExtracts(Instruction &I) {
   Builder.SetInsertPoint(*L->getInsertionPointAfterDef());
   auto *NewLoad = cast<LoadInst>(
       Builder.CreateLoad(SrcTy, L->getOperand(0), L->getName() + ".vec"));
-  auto *NewExt = isa<ZExtInst>(InnerExt) ? Builder.CreateZExt(NewLoad, DstTy, "vec.ext", InnerExt->hasNonNeg())
-                                         : Builder.CreateSExt(NewLoad, DstTy, "vec.ext");
+  auto *NewExt =
+      isa<ZExtInst>(InnerExt)
+          ? Builder.CreateZExt(NewLoad, DstTy, "vec.ext", InnerExt->hasNonNeg())
+          : Builder.CreateSExt(NewLoad, DstTy, "vec.ext");
   OuterExt->replaceAllUsesWith(NewExt);
   replaceValue(*OuterExt, *NewExt);
   Worklist.pushValue(NewLoad);

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https://github.com/llvm/llvm-project/pull/141109