[llvm] Adding Matching and Inference Functionality to Propeller-Patch 1 (PR #140886)

[via llvm-commits]

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@@ -0,0 +1,104 @@
+#include "llvm/CodeGen/MachineBlockHashInfo.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/InitializePasses.h"
+
+using namespace llvm;
+
+using OperandHashFuncTy = function_ref<uint64_t(uint64_t &, const MachineOperand &)>;
+
+uint64_t hashBlock(const MachineBasicBlock &MBB, OperandHashFuncTy OperandHashFunc) {
+  uint64_t Hash = 0;
+  for (const MachineInstr &MI : MBB) {
+    if (MI.isPseudo())
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wdx727 wrote:

Thank you very much for pointing out the issue. We carefully reviewed the isPseudo method of the MachineInstr class and realized we had previously misunderstood its meaning. We have made corrections to the code accordingly.

https://github.com/llvm/llvm-project/pull/140886