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Add mergereturn pass

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1629 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-02-01 04:54:11 +00:00
parent 417cf7ef96
commit 0be4101d12
1 changed files with 10 additions and 5 deletions
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15
tools/opt/opt.cpp
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@ -11,6 +11,7 @@
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/WriteBytecodePass.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/Transforms/UnifyMethodExitNodes.h"
#include "llvm/Transforms/ConstantMerge.h"
#include "llvm/Transforms/CleanupGCCOutput.h"
#include "llvm/Transforms/LevelChange.h"
@ -31,7 +32,7 @@
// Opts enum - All of the transformations we can do...
enum Opts {
// Basic optimizations
dce, constprop, inlining, constmerge, strip, mstrip,
dce, constprop, inlining, constmerge, strip, mstrip, mergereturn,
// Miscellaneous Transformations
trace, tracem, print, raiseallocs, cleangcc,
@ -79,6 +80,8 @@ struct {
{ constmerge , New<ConstantMerge> },
{ strip , New<SymbolStripping> },
{ mstrip , New<FullSymbolStripping> },
{ mergereturn, New<UnifyMethodExitNodes> },
{ indvars , New<InductionVariableSimplify> },
{ instcombine, New<InstructionCombining> },
{ sccp , New<SCCPPass> },
@ -106,11 +109,13 @@ cl::Flag Quiet ("q", "Don't print modifying pass names", 0, false);
cl::Alias QuietA ("quiet", "Alias for -q", cl::NoFlags, Quiet);
cl::EnumList<enum Opts> OptimizationList(cl::NoFlags,
clEnumVal(dce , "Dead Code Elimination"),
clEnumVal(constprop , "Simple Constant Propogation"),
clEnumValN(inlining , "inline", "Method Integration"),
clEnumVal(constprop , "Simple constant propogation"),
clEnumValN(inlining , "inline", "Method integration"),
clEnumVal(constmerge , "Merge identical global constants"),
clEnumVal(strip , "Strip Symbols"),
clEnumVal(mstrip , "Strip Module Symbols"),
clEnumVal(strip , "Strip symbols"),
clEnumVal(mstrip , "Strip module symbols"),
clEnumVal(mergereturn, "Unify method exit nodes"),
clEnumVal(indvars , "Simplify Induction Variables"),
clEnumVal(instcombine, "Combine redundant instructions"),
clEnumVal(sccp , "Sparse Conditional Constant Propogation"),