[llvm] [SandboxVec][DAG] Implement PredIterator (PR #111604)
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llvm-commits at lists.llvm.org
Thu Oct 10 11:14:00 PDT 2024
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@@ -8,10 +8,45 @@
#include "llvm/Transforms/Vectorize/SandboxVectorizer/DependencyGraph.h"
#include "llvm/ADT/ArrayRef.h"
+#include "llvm/SandboxIR/Instruction.h"
#include "llvm/SandboxIR/Utils.h"
namespace llvm::sandboxir {
+PredIterator::value_type PredIterator::operator*() {
+ // If it's a DGNode, or a MemDGNode with an OpIt != end.
+ if (!isa<MemDGNode>(N) || OpIt != OpItE) {
+ assert(OpIt != OpItE && "Can't dereference end iterator!");
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vporpo wrote:
If it's a DGNode then the `OpIt != OpItE` check doesn't even get executed, it steps right inside the if body.
https://github.com/llvm/llvm-project/pull/111604
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