[llvm] [NFC][TableGen] Adopt `ArrayRef::consume_front()` in `PrintMessage` (PR #146775)

[Rahul Joshi via llvm-commits]

https://github.com/jurahul created https://github.com/llvm/llvm-project/pull/146775

Adopt `ArrayRef::consume_front()` in `PrintMessage`, and convert the loop in that function to a range for loop.

>From 027da39a85278851e3c2a77325d70b4df347123a Mon Sep 17 00:00:00 2001
From: Rahul Joshi <rjoshi at nvidia.com>
Date: Wed, 2 Jul 2025 13:39:11 -0700
Subject: [PATCH] [NFC][TableGen] Adopt `ArrayRef::consume_front()` in
 `PrintMessage`

Adopt `ArrayRef::consume_front()` in `PrintMessage`, and convert the
loop in that function to a range for loop.
---
 llvm/lib/TableGen/Error.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/llvm/lib/TableGen/Error.cpp b/llvm/lib/TableGen/Error.cpp
index 91423664a84cc..de0c4c971efeb 100644
--- a/llvm/lib/TableGen/Error.cpp
+++ b/llvm/lib/TableGen/Error.cpp
@@ -24,7 +24,7 @@ namespace llvm {
 SourceMgr SrcMgr;
 unsigned ErrorsPrinted = 0;
 
-static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind,
+static void PrintMessage(ArrayRef<SMLoc> Locs, SourceMgr::DiagKind Kind,
                          const Twine &Msg) {
   // Count the total number of errors printed.
   // This is used to exit with an error code if there were any errors.
@@ -32,11 +32,11 @@ static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind,
     ++ErrorsPrinted;
 
   SMLoc NullLoc;
-  if (Loc.empty())
-    Loc = NullLoc;
-  SrcMgr.PrintMessage(Loc.front(), Kind, Msg);
-  for (unsigned i = 1; i < Loc.size(); ++i)
-    SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note,
+  if (Locs.empty())
+    Locs = NullLoc;
+  SrcMgr.PrintMessage(Locs.consume_front(), Kind, Msg);
+  for (SMLoc Loc : Locs)
+    SrcMgr.PrintMessage(Loc, SourceMgr::DK_Note,
                         "instantiated from multiclass");
 }