[llvm] ae30383 - [SPIR-V] Avoid repeated map lookups. NFC (#125036)

[via llvm-commits]

Author: Craig Topper
Date: 2025-01-30T00:15:02-08:00
New Revision: ae3038379fa7f9a26179652ddd01122b4b49c917

URL: https://github.com/llvm/llvm-project/commit/ae3038379fa7f9a26179652ddd01122b4b49c917
DIFF: https://github.com/llvm/llvm-project/commit/ae3038379fa7f9a26179652ddd01122b4b49c917.diff

LOG: [SPIR-V] Avoid repeated map lookups. NFC (#125036)

Added: 
    

Modified: 
    llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h

Removed: 
    


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diff  --git a/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h b/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h
index 79b5444cca205d..e6b8a381b71800 100644
--- a/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h
+++ b/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h
@@ -180,11 +180,13 @@ struct ModuleAnalysisInfo {
     if (RI == RegisterAliasTable[MF].end()) {
       return Register(0);
     }
-    return RegisterAliasTable[MF][Reg];
+    return RI->second;
   }
   bool hasRegisterAlias(const MachineFunction *MF, Register Reg) {
-    return RegisterAliasTable.find(MF) != RegisterAliasTable.end() &&
-           RegisterAliasTable[MF].find(Reg) != RegisterAliasTable[MF].end();
+    auto RI = RegisterAliasTable.find(MF);
+    if (RI == RegisterAliasTable.end())
+      return false;
+    return RI->second.find(Reg) != RI->second.end();
   }
   unsigned getNextID() { return MaxID++; }
   bool hasMBBRegister(const MachineBasicBlock &MBB) {