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Cache the result of Function::getIntrinsicID() in a DenseMap attached to the LLVMContext.

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This reduces the time actually spent doing string to ID conversion and shows a 10% improvement in compile time for a particularly bad case that involves ARM Neon intrinsics (these have many overloads).

Patch by Jean-Luc Duprat!



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176365 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Ilseman
2013-03-01 18:48:54 +00:00
parent a6b20ced76
commit 4c8e74f0b7
5 changed files with 44 additions and 7 deletions
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lib/IR/Module.cpp
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@ -13,6 +13,7 @@
#include "llvm/IR/Module.h"
#include "SymbolTableListTraitsImpl.h"
#include "LLVMContextImpl.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallString.h"