[llvm] 0b96d22 - [SPIRV] Use StringRef instead of std::string (NFC) (#138408)

[via llvm-commits]

Author: Kazu Hirata
Date: 2025-05-03T10:12:47-07:00
New Revision: 0b96d22f95eeef00ec40723f0d59ccb4389dc1b6

URL: https://github.com/llvm/llvm-project/commit/0b96d22f95eeef00ec40723f0d59ccb4389dc1b6
DIFF: https://github.com/llvm/llvm-project/commit/0b96d22f95eeef00ec40723f0d59ccb4389dc1b6.diff

LOG: [SPIRV] Use StringRef instead of std::string (NFC) (#138408)

We can use StringRef for PassPrefix because it is used only with
StringRef::starts_with.

Added: 
    

Modified: 
    llvm/lib/Target/SPIRV/SPIRVBuiltins.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/SPIRV/SPIRVBuiltins.cpp b/llvm/lib/Target/SPIRV/SPIRVBuiltins.cpp
index 78c0d252cb834..c516be0297e66 100644
--- a/llvm/lib/Target/SPIRV/SPIRVBuiltins.cpp
+++ b/llvm/lib/Target/SPIRV/SPIRVBuiltins.cpp
@@ -184,11 +184,11 @@ namespace SPIRV {
 /// Parses the name part of the demangled builtin call.
 std::string lookupBuiltinNameHelper(StringRef DemangledCall,
                                     FPDecorationId *DecorationId) {
-  const static std::string PassPrefix = "(anonymous namespace)::";
+  StringRef PassPrefix = "(anonymous namespace)::";
   std::string BuiltinName;
   // Itanium Demangler result may have "(anonymous namespace)::" prefix
-  if (DemangledCall.starts_with(PassPrefix.c_str()))
-    BuiltinName = DemangledCall.substr(PassPrefix.length());
+  if (DemangledCall.starts_with(PassPrefix))
+    BuiltinName = DemangledCall.substr(PassPrefix.size());
   else
     BuiltinName = DemangledCall;
   // Extract the builtin function name and types of arguments from the call