[llvm] [RISCV] Remove stale comments. NFC (PR #94925)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

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

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>

We no longer have _TU pseudo instructions.

I'm not sure if we have any unsuffixed instructions w/o mask w/ passthru w/o policy operand. That case is not covered by the earlier comments. I could find any from a quick audit.

---
Full diff: https://github.com/llvm/llvm-project/pull/94925.diff


1 Files Affected:

- (modified) llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td (-5) 


``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td b/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
index 77d3644687fdd..a206974e53e51 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoVPseudos.td
@@ -67,11 +67,6 @@
 ///   that terminology in code frequently refers to these as "TA" which is
 ///   confusing.  We're in the process of migrating away from this
 ///   representation.
-/// * _TU w/o policy operand -- Has a passthrough operand, and always
-///   represents the tail undisturbed state.
-/// * _TU w/policy operand - Can represent all three policy states.  If
-///   passthrough is IMPLICIT_DEF (or NoReg), then represents "undefined".
-///   Otherwise, policy operand and tablegen flags drive the interpretation.
 ///
 //===----------------------------------------------------------------------===//
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/94925