[llvm] 29b2b22 - [TargetParser] Use StringRef::consume_front (NFC) (#147202)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-07-06T19:05:45-07:00
New Revision: 29b2b2263f9eb7b310ee38628e43be76f2c9caf4

URL: https://github.com/llvm/llvm-project/commit/29b2b2263f9eb7b310ee38628e43be76f2c9caf4
DIFF: https://github.com/llvm/llvm-project/commit/29b2b2263f9eb7b310ee38628e43be76f2c9caf4.diff

LOG: [TargetParser] Use StringRef::consume_front (NFC) (#147202)

While we are at it, this patch switches to a range-based for loop.

Added: 
    

Modified: 
    llvm/lib/TargetParser/Host.cpp

Removed: 
    


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diff  --git a/llvm/lib/TargetParser/Host.cpp b/llvm/lib/TargetParser/Host.cpp
index 5957e1befe2da..e668d69a133d3 100644
--- a/llvm/lib/TargetParser/Host.cpp
+++ b/llvm/lib/TargetParser/Host.cpp
@@ -180,13 +180,13 @@ StringRef sys::detail::getHostCPUNameForARM(StringRef ProcCpuinfoContent) {
   StringRef Implementer;
   StringRef Hardware;
   StringRef Part;
-  for (unsigned I = 0, E = Lines.size(); I != E; ++I) {
-    if (Lines[I].starts_with("CPU implementer"))
-      Implementer = Lines[I].substr(15).ltrim("\t :");
-    if (Lines[I].starts_with("Hardware"))
-      Hardware = Lines[I].substr(8).ltrim("\t :");
-    if (Lines[I].starts_with("CPU part"))
-      Part = Lines[I].substr(8).ltrim("\t :");
+  for (StringRef Line : Lines) {
+    if (Line.consume_front("CPU implementer"))
+      Implementer = Line.ltrim("\t :");
+    else if (Line.consume_front("Hardware"))
+      Hardware = Line.ltrim("\t :");
+    else if (Line.consume_front("CPU part"))
+      Part = Line.ltrim("\t :");
   }
 
   if (Implementer == "0x41") { // ARM Ltd.