[llvm] e4b6cc3 - [RISCV][InsertVSETVLI] Improve LMUL formatting in debug messages

[Philip Reames via llvm-commits]

Author: Philip Reames
Date: 2025-05-13T08:00:14-07:00
New Revision: e4b6cc314a459b803ea6b3dc8b63da38d1dd50db

URL: https://github.com/llvm/llvm-project/commit/e4b6cc314a459b803ea6b3dc8b63da38d1dd50db
DIFF: https://github.com/llvm/llvm-project/commit/e4b6cc314a459b803ea6b3dc8b63da38d1dd50db.diff

LOG: [RISCV][InsertVSETVLI] Improve LMUL formatting in debug messages

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp b/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
index e6802b588e98d..2d79ced1cc163 100644
--- a/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
+++ b/llvm/lib/Target/RISCV/RISCVInsertVSETVLI.cpp
@@ -802,9 +802,19 @@ class VSETVLIInfo {
       OS << "AVLImm=" << (unsigned)AVLImm;
     if (hasAVLVLMAX())
       OS << "AVLVLMAX";
-    OS << ", "
-       << "VLMul=" << (unsigned)VLMul << ", "
-       << "SEW=" << (unsigned)SEW << ", "
+    OS << ", ";
+
+    unsigned LMul;
+    bool Fractional;
+    std::tie(LMul, Fractional) = decodeVLMUL(VLMul);
+
+    OS << "VLMul=";
+    if (Fractional)
+      OS << "mf";
+    else
+      OS << "m";
+    OS << LMul << ", "
+       << "SEW=e" << (unsigned)SEW << ", "
        << "TailAgnostic=" << (bool)TailAgnostic << ", "
        << "MaskAgnostic=" << (bool)MaskAgnostic << ", "
        << "SEWLMULRatioOnly=" << (bool)SEWLMULRatioOnly << "}";