[PATCH] D134193: [RISCV] Manage the InQueue flag in insertvli correctly.

[Craig Topper via Phabricator via llvm-commits]

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We were only setting this flag the first time we added the blocks
not when we mark them for revisiting.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D134193

Files:
  llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp


Index: llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
===================================================================
--- llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
+++ llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
@@ -1128,8 +1128,10 @@
   // Add the successors to the work list so we can propagate the changed exit
   // status.
   for (MachineBasicBlock *S : MBB.successors())
-    if (!BlockInfo[S->getNumber()].InQueue)
+    if (!BlockInfo[S->getNumber()].InQueue) {
+      BlockInfo[S->getNumber()].InQueue = true;
       WorkList.push(S);
+    }
 }
 
 // If we weren't able to prove a vsetvli was directly unneeded, it might still


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