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Add instruction combining pass

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Rename -mergecons to -constmerge

llvm-svn: 1478
This commit is contained in:
Chris Lattner 2001-12-14 16:50:35 +00:00
parent 59918ae040
commit 085560caa2
1 changed files with 34 additions and 31 deletions
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11
tools/opt/opt.cpp
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@ -18,19 +18,20 @@
#include "llvm/Transforms/SwapStructContents.h" #include "llvm/Transforms/SwapStructContents.h"
#include "llvm/Transforms/IPO/GlobalDCE.h" #include "llvm/Transforms/IPO/GlobalDCE.h"
#include "llvm/Transforms/Scalar/IndVarSimplify.h" #include "llvm/Transforms/Scalar/IndVarSimplify.h"
#include "llvm/Transforms/Scalar/InstructionCombining.h"
#include "Support/CommandLine.h" #include "Support/CommandLine.h"
#include <fstream> #include <fstream>
#include <memory> #include <memory>
enum Opts { enum Opts {
// Basic optimizations // Basic optimizations
dce, constprop, inlining, mergecons, strip, mstrip, dce, constprop, inlining, constmerge, strip, mstrip,
// Miscellaneous Transformations // Miscellaneous Transformations
trace, tracem, print, cleangcc, trace, tracem, print, cleangcc,
// More powerful optimizations // More powerful optimizations
indvars, sccp, adce, raise, indvars, instcombine, sccp, adce, raise,
// Interprocedural optimizations... // Interprocedural optimizations...
globaldce, swapstructs, globaldce, swapstructs,
@ -44,10 +45,11 @@ struct {
{ dce , new opt::DeadCodeElimination() }, { dce , new opt::DeadCodeElimination() },
{ constprop , new opt::ConstantPropogation() }, { constprop , new opt::ConstantPropogation() },
{ inlining , new opt::MethodInlining() }, { inlining , new opt::MethodInlining() },
{ mergecons, new ConstantMerge() }, { constmerge , new ConstantMerge() },
{ strip , new opt::SymbolStripping() }, { strip , new opt::SymbolStripping() },
{ mstrip , new opt::FullSymbolStripping() }, { mstrip , new opt::FullSymbolStripping() },
{ indvars , new InductionVariableSimplify() }, { indvars , new InductionVariableSimplify() },
{ instcombine, new InstructionCombining() },
{ sccp , new opt::SCCPPass() }, { sccp , new opt::SCCPPass() },
{ adce , new opt::AgressiveDCE() }, { adce , new opt::AgressiveDCE() },
{ raise , new RaisePointerReferences() }, { raise , new RaisePointerReferences() },
@ -66,10 +68,11 @@ cl::EnumList<enum Opts> OptimizationList(cl::NoFlags,
clEnumVal(dce , "Dead Code Elimination"), clEnumVal(dce , "Dead Code Elimination"),
clEnumVal(constprop , "Simple Constant Propogation"), clEnumVal(constprop , "Simple Constant Propogation"),
clEnumValN(inlining , "inline", "Method Integration"), clEnumValN(inlining , "inline", "Method Integration"),
clEnumVal(mergecons, "Merge identical global constants"), clEnumVal(constmerge , "Merge identical global constants"),
clEnumVal(strip , "Strip Symbols"), clEnumVal(strip , "Strip Symbols"),
clEnumVal(mstrip , "Strip Module Symbols"), clEnumVal(mstrip , "Strip Module Symbols"),
clEnumVal(indvars , "Simplify Induction Variables"), clEnumVal(indvars , "Simplify Induction Variables"),
clEnumVal(instcombine, "Simplify Induction Variables"),
clEnumVal(sccp , "Sparse Conditional Constant Propogation"), clEnumVal(sccp , "Sparse Conditional Constant Propogation"),
clEnumVal(adce , "Agressive DCE"), clEnumVal(adce , "Agressive DCE"),