[RISCV][NFC] Fix comments in foldMemoryOperandImpl

[wangpc-pp]

I think the TODO is stale now.

[llvmbot]

@llvm/pr-subscribers-backend-risc-v

Author: Wang Pengcheng (wangpc-pp)

Changes

I think the TODO is stale now.

---

Full diff: https://github.com/llvm/llvm-project/pull/70033.diff

1 Files Affected:

• (modified) llvm/lib/Target/RISCV/RISCVInstrInfo.cpp (+1-2)

diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
index 36ca775c21058dc..e48d90f5be46b62 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
@@ -689,8 +689,7 @@ MachineInstr *RISCVInstrInfo::foldMemoryOperandImpl(
   if (MF.getDataLayout().isBigEndian())
     return nullptr;
 
-  // Fold load from stack followed by sext.w into lw.
-  // TODO: Fold with sext.b, sext.h, zext.b, zext.h, zext.w?
+  // Fold load from stack followed by sext.b/sext.h/sext.w/zext.b/zext.h/zext.w.
   if (Ops.size() != 1 || Ops[0] != 1)
    return nullptr;
 

[topperc]

LGTM