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add an instcombine pass to clean up after heavy-lifting IP passes

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llvm-svn: 33843
This commit is contained in:
Chris Lattner 2007-02-03 23:06:03 +00:00
parent 476eb1ca17
commit ff4821d186
1 changed files with 6 additions and 0 deletions
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6
tools/gccld/GenerateCode.cpp
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@ -239,6 +239,12 @@ int llvm::GenerateBytecode(Module *M, int StripLevel, bool Internalize,
// Remove unused arguments from functions... // Remove unused arguments from functions...
addPass(Passes, createDeadArgEliminationPass()); addPass(Passes, createDeadArgEliminationPass());
// Reduce the code after globalopt and ipsccp. Both can open up significant
// simplification opportunities, and both can propagate functions through
// function pointers. When this happens, we often have to resolve varargs
// calls, etc, so let instcombine do this.
addPass(Passes, createInstructionCombiningPass());
if (!DisableInline) if (!DisableInline)
addPass(Passes, createFunctionInliningPass()); // Inline small functions addPass(Passes, createFunctionInliningPass()); // Inline small functions