[PATCH] D126914: [BOLT][NFC] Simplify MCPlusBuilder::getRegSize

[Amir Ayupov via Phabricator via llvm-commits]

Amir created this revision.
Herald added a reviewer: rafauler.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126914

Files:
  bolt/lib/Core/MCPlusBuilder.cpp


Index: bolt/lib/Core/MCPlusBuilder.cpp
===================================================================
--- bolt/lib/Core/MCPlusBuilder.cpp
+++ bolt/lib/Core/MCPlusBuilder.cpp
@@ -494,16 +494,13 @@
   // SizeMap caches a mapping of registers to their sizes
   static std::vector<uint8_t> SizeMap;
 
-  if (SizeMap.size() > 0) {
+  if (SizeMap.size() > 0)
     return SizeMap[Reg];
-  }
+
   SizeMap = std::vector<uint8_t>(RegInfo->getNumRegs());
   // Build size map
-  for (auto I = RegInfo->regclass_begin(), E = RegInfo->regclass_end(); I != E;
-       ++I) {
-    for (MCPhysReg Reg : *I)
-      SizeMap[Reg] = I->getSizeInBits() / 8;
-  }
+  for (const MCRegisterClass &RC : RegInfo->regclasses())
+    for_each(RC, [&](MCPhysReg Reg) { SizeMap[Reg] = RC.getSizeInBits() / 8; });
 
   return SizeMap[Reg];
 }


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