From 4bb5dd0e0dd718499d8ab88537f47b84604c64a2 Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Wed, 29 Jan 2025 22:47:08 -0800 Subject: [PATCH] [SPIRV] Avoid repeated map lookups. NFC --- llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h b/llvm/lib/Target/SPIRV/SPIRVModuleAnalysis.h index 79b5444cca205..e6b8a381b7180 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) {