[clang] [CIR] Implement folder for VecShuffleDynamicOp (PR #142315)

Amr Hesham via cfe-commits cfe-commits at lists.llvm.org
Mon Jun 2 14:10:44 PDT 2025


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@@ -1597,9 +1598,9 @@ OpFoldResult cir::VecShuffleDynamicOp::fold(FoldAdaptor adaptor) {
     elements.reserve(numElements);
 
     const uint64_t maskBits = llvm::NextPowerOf2(numElements - 1) - 1;
-    for (uint64_t i = 0; i < numElements; i++) {
-      cir::IntAttr idxAttr = mlir::cast<cir::IntAttr>(indicesElts[i]);
-      uint64_t idxValue = idxAttr.getUInt();
+    for (const mlir::APInt &idxAttr :
+         indicesElts.getAsValueRange<cir::IntAttr, mlir::APInt>()) {
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AmrDeveloper wrote:

> does not work simply: for (const auto &idxAttr : indicesElts.getAsValueRange<cir::IntAttr>()) {?

Yes, it reports “Cannot form a reference to void”

I will use getAsRange

https://github.com/llvm/llvm-project/pull/142315


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