[llvm] abce7ac - [RISCV] Remove impossible TODO in RISCVRedundantCopyElimination. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2022-08-21T13:18:02-07:00
New Revision: abce7acebd4c06c977bc4bd79170697f1122bc5e

URL: https://github.com/llvm/llvm-project/commit/abce7acebd4c06c977bc4bd79170697f1122bc5e
DIFF: https://github.com/llvm/llvm-project/commit/abce7acebd4c06c977bc4bd79170697f1122bc5e.diff

LOG: [RISCV] Remove impossible TODO in RISCVRedundantCopyElimination. NFC

If there are multiple conditional branches we shouldn't do any
optimization.

Added: 
    

Modified: 
    llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp b/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp
index 3c4a60b81d8e..eaaa510daf3d 100644
--- a/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp
+++ b/llvm/lib/Target/RISCV/RISCVRedundantCopyElimination.cpp
@@ -101,7 +101,6 @@ bool RISCVRedundantCopyElimination::optimizeBlock(MachineBasicBlock &MBB) {
     if (!CondBr->isTerminator())
       return false;
     // If we found a branch with X0, stop searching and try to remove copies.
-    // TODO: Handle multiple branches with 
diff erent registers.
     if (guaranteesZeroRegInBlock(*CondBr, MBB))
       break;
     // If we reached the beginning of the basic block, give up.