From 2964f3624c38247d1954927754c1933400dae0d6 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Fri, 30 Aug 2002 22:53:30 +0000 Subject: [PATCH] Really minor cleanups git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3549 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/GCSE.cpp | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/lib/Transforms/Scalar/GCSE.cpp b/lib/Transforms/Scalar/GCSE.cpp index ef1d056ed75..e8e140f2032 100644 --- a/lib/Transforms/Scalar/GCSE.cpp +++ b/lib/Transforms/Scalar/GCSE.cpp @@ -2,24 +2,19 @@ // // This pass is designed to be a very quick global transformation that // eliminates global common subexpressions from a function. It does this by -// examining the SSA value graph of the function, instead of doing slow, dense, -// bit-vector computations. +// using an existing value numbering implementation to identify the common +// subexpressions, eliminating them when possible. // //===----------------------------------------------------------------------===// #include "llvm/Transforms/Scalar.h" -#include "llvm/InstrTypes.h" #include "llvm/iMemory.h" +#include "llvm/Type.h" #include "llvm/Analysis/Dominators.h" #include "llvm/Analysis/ValueNumbering.h" #include "llvm/Support/InstIterator.h" -#include "llvm/Support/CFG.h" -#include "llvm/Type.h" #include "Support/StatisticReporter.h" #include -using std::set; -using std::map; - namespace { Statistic<> NumInstRemoved("gcse\t\t- Number of instructions removed"); @@ -28,7 +23,7 @@ namespace { "to non-instruction values"); class GCSE : public FunctionPass { - set WorkList; + std::set WorkList; DominatorSet *DomSetInfo; #if 0 ImmediateDominators *ImmDominator;