[llvm] [IA][RISCV] Add support for vp.load/vp.store with shufflevector (PR #135445)

[Min-Yih Hsu via llvm-commits]

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@@ -454,27 +496,77 @@ bool InterleavedAccessImpl::tryReplaceExtracts(
 }
 
 bool InterleavedAccessImpl::lowerInterleavedStore(
-    StoreInst *SI, SmallSetVector<Instruction *, 32> &DeadInsts) {
-  if (!SI->isSimple())
-    return false;
+    Instruction *Store, SmallSetVector<Instruction *, 32> &DeadInsts) {
+  Value *StoredValue;
+  if (auto *SI = dyn_cast<StoreInst>(Store)) {
+    if (!SI->isSimple())
+      return false;
+    StoredValue = SI->getValueOperand();
+  } else if (auto *VPStore = dyn_cast<VPIntrinsic>(Store)) {
+    assert(VPStore->getIntrinsicID() == Intrinsic::vp_store);
+    // Require a constant mask.
+    if (!isa<ConstantVector>(VPStore->getArgOperand(2)))
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mshockwave wrote:

Fixed.

https://github.com/llvm/llvm-project/pull/135445