[llvm] [RISCV] Use a switch in VSETVLIInfo::print(). NFC (PR #169441)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

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

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>

This allows the compiler to verify we've covered all enum values.

---
Full diff: https://github.com/llvm/llvm-project/pull/169441.diff


1 Files Affected:

- (modified) llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp (+12-5) 


``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp b/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
index e5819d90526d9..2ddc9b0adb9e1 100644
--- a/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
@@ -838,16 +838,23 @@ class VSETVLIInfo {
   /// @{
   void print(raw_ostream &OS) const {
     OS << "{";
-    if (!isValid())
+    switch (State) {
+    case Uninitialized:
       OS << "Uninitialized";
-    if (isUnknown())
+      break;
+    case Unknown:
       OS << "unknown";
-    if (hasAVLReg())
+      break;
+    case AVLIsReg:
       OS << "AVLReg=" << llvm::printReg(getAVLReg());
-    if (hasAVLImm())
+      break;
+    case AVLIsImm:
       OS << "AVLImm=" << (unsigned)AVLImm;
-    if (hasAVLVLMAX())
+      break;
+    case AVLIsVLMAX:
       OS << "AVLVLMAX";
+      break;
+    }
     OS << ", ";
 
     unsigned LMul;

``````````

</details>


https://github.com/llvm/llvm-project/pull/169441