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We have this snazzy link-time optimizer. How about we start using it? This
removes some cruft from 255.vortex, cleaning up after DAE and IPCP, which do horrible, beautiful, things to vortex. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11861 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -111,6 +111,11 @@ GenerateBytecode (Module *M, bool Strip, bool Internalize, std::ostream *Out) {
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if (!DisableInline)
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addPass(Passes, createFunctionInliningPass()); // Inline small functions
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// The IPO passes may leave cruft around. Clean up after them.
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addPass(Passes, createInstructionCombiningPass());
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addPass(Passes, createScalarReplAggregatesPass()); // Break up allocas
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// Run a few AA driven optimizations here and now, to cleanup the code.
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// Eventually we should put an IP AA in place here.
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@ -118,8 +123,7 @@ GenerateBytecode (Module *M, bool Strip, bool Internalize, std::ostream *Out) {
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addPass(Passes, createLoadValueNumberingPass()); // GVN for load instrs
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addPass(Passes, createGCSEPass()); // Remove common subexprs
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// The FuncResolve pass may leave cruft around if functions were prototyped
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// differently than they were defined. Remove this cruft.
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// Cleanup and simplify the code after the scalar optimizations.
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addPass(Passes, createInstructionCombiningPass());
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// Delete basic blocks, which optimization passes may have killed...
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