[llvm] 29ed600 - [AArch64] Simplify ExactFPImm GenericTable. NFC (#121827)

[via llvm-commits]

Author: Craig Topper
Date: 2025-01-08T09:28:27-08:00
New Revision: 29ed6000d21edd1a88b2daad242e1f356cafbaca

URL: https://github.com/llvm/llvm-project/commit/29ed6000d21edd1a88b2daad242e1f356cafbaca
DIFF: https://github.com/llvm/llvm-project/commit/29ed6000d21edd1a88b2daad242e1f356cafbaca.diff

LOG: [AArch64] Simplify ExactFPImm GenericTable. NFC (#121827)

lookupExactFPImmByRepr is never called. The Name field in the table is
unused. The Name is only used by the GenericEnum.

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/AArch64SystemOperands.td
    llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h

Removed: 
    


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diff  --git a/llvm/lib/Target/AArch64/AArch64SystemOperands.td b/llvm/lib/Target/AArch64/AArch64SystemOperands.td
index 1305dd27a70c49..355a9d2a0415af 100644
--- a/llvm/lib/Target/AArch64/AArch64SystemOperands.td
+++ b/llvm/lib/Target/AArch64/AArch64SystemOperands.td
@@ -630,7 +630,7 @@ def ExactFPImmValues : GenericEnum {
 
 def ExactFPImmsList : GenericTable {
   let FilterClass = "ExactFPImm";
-  let Fields = ["Name", "Enum", "Repr"];
+  let Fields = ["Enum", "Repr"];
 }
 
 def lookupExactFPImmByEnum : SearchIndex {
@@ -638,11 +638,6 @@ def lookupExactFPImmByEnum : SearchIndex {
   let Key = ["Enum"];
 }
 
-def lookupExactFPImmByRepr : SearchIndex {
-  let Table = ExactFPImmsList;
-  let Key = ["Repr"];
-}
-
 def : ExactFPImm<"zero", "0.0", 0x0>;
 def : ExactFPImm<"half", "0.5", 0x1>;
 def : ExactFPImm<"one",  "1.0", 0x2>;

diff  --git a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
index 6de57f850b41ba..b8d323649feaa8 100644
--- a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
+++ b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.h
@@ -564,11 +564,10 @@ LLVM_DECLARE_ENUM_AS_BITMASK(TailFoldingOpts,
                              /* LargestValue */ (long)TailFoldingOpts::Reverse);
 
 namespace AArch64ExactFPImm {
-  struct ExactFPImm {
-    const char *Name;
-    int Enum;
-    const char *Repr;
-  };
+struct ExactFPImm {
+  int Enum;
+  const char *Repr;
+};
 #define GET_ExactFPImmValues_DECL
 #define GET_ExactFPImmsList_DECL
 #include "AArch64GenSystemOperands.inc"