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Run another local value numbering phase after redundancy elimination

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2625 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-05-14 16:23:14 +00:00
parent afc38686b4
commit 4ad532299a
1 changed files with 4 additions and 0 deletions
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tools/gccas/gccas.cpp
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@ -83,6 +83,10 @@ int main(int argc, char **argv) {
Passes.add(createLICMPass()); // Hoist loop invariants Passes.add(createLICMPass()); // Hoist loop invariants
Passes.add(createGCSEPass()); // Remove common subexprs Passes.add(createGCSEPass()); // Remove common subexprs
Passes.add(createSCCPPass()); // Constant prop with SCCP Passes.add(createSCCPPass()); // Constant prop with SCCP
// Run instcombine after redundancy elimination to exploit opportunities
// opened up by them.
Passes.add(createInstructionCombiningPass());
Passes.add(createDeadCodeEliminationPass()); // Remove Dead code/vars Passes.add(createDeadCodeEliminationPass()); // Remove Dead code/vars
} }
Passes.add(new WriteBytecodePass(&Out)); // Write bytecode to file... Passes.add(new WriteBytecodePass(&Out)); // Write bytecode to file...