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Reorder passes a bit. In particular, it makes sense to run globaldce IMMEDIATELY after funcresolve. Also, run the mem2reg pass _early_ so that IPCP and DAE actually do stuff.

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Run instcombine and simplify cfg after this to cleanup the intraprocedural messes we create.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10134 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-11-21 21:44:35 +00:00
parent afd0b4b24a
commit 14b170f5ff
1 changed files with 4 additions and 2 deletions
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6
tools/gccas/gccas.cpp
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@ -58,11 +58,13 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
PM.add(createVerifierPass()); // Verify that input is correct
addPass(PM, createLowerSetJmpPass()); // Lower llvm.setjmp/.longjmp
addPass(PM, createFunctionResolvingPass()); // Resolve (...) functions
addPass(PM, createCFGSimplificationPass()); // Clean up disgusting code
addPass(PM, createRaiseAllocationsPass()); // call %malloc -> malloc inst
addPass(PM, createGlobalDCEPass()); // Remove unused globals
addPass(PM, createRaiseAllocationsPass()); // call %malloc -> malloc inst
addPass(PM, createPromoteMemoryToRegister()); // "Construct SSA form"
addPass(PM, createIPConstantPropagationPass());// IP Constant Propagation
addPass(PM, createDeadArgEliminationPass()); // Dead argument elimination
addPass(PM, createInstructionCombiningPass()); // Cleanup after IPCP & DAE
addPass(PM, createCFGSimplificationPass()); // Clean up disgusting code
addPass(PM, createPruneEHPass()); // Remove dead EH info