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authorDaniel Dunbar <daniel@zuster.org>2009-06-03 21:06:14 +0000
committerDaniel Dunbar <daniel@zuster.org>2009-06-03 21:06:14 +0000
commit006a03482880a5b614dfbb8601e0ae92593a595c (patch)
tree519c0632fe5ef4a01f7349e1e8d1e8cb496356df /tools/lto
parent9911405183f8596fe9d521467f83f6652a296cf4 (diff)
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Add createStandardLTOPasses to StandardPasses.h, and move lto and llvm-ld over.
- I know it sounds crazy, but I think all the pass lists are now coalesced into StandardPasses.h. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72805 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/lto')
-rw-r--r--tools/lto/LTOCodeGenerator.cpp59
1 files changed, 5 insertions, 54 deletions
diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp
index d3a3f7f..03a11b6 100644
--- a/tools/lto/LTOCodeGenerator.cpp
+++ b/tools/lto/LTOCodeGenerator.cpp
@@ -24,9 +24,10 @@
#include "llvm/ModuleProvider.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/SystemUtils.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/StandardPasses.h"
+#include "llvm/Support/SystemUtils.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Signals.h"
#include "llvm/Analysis/Passes.h"
@@ -389,59 +390,9 @@ bool LTOCodeGenerator::generateAssemblyCode(raw_ostream& out,
// Add an appropriate TargetData instance for this module...
passes.add(new TargetData(*_target->getTargetData()));
- // Propagate constants at call sites into the functions they call. This
- // opens opportunities for globalopt (and inlining) by substituting function
- // pointers passed as arguments to direct uses of functions.
- passes.add(createIPSCCPPass());
-
- // Now that we internalized some globals, see if we can hack on them!
- passes.add(createGlobalOptimizerPass());
-
- // Linking modules together can lead to duplicated global constants, only
- // keep one copy of each constant...
- passes.add(createConstantMergePass());
-
- // Remove unused arguments from functions...
- passes.add(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.
- passes.add(createInstructionCombiningPass());
- if (!DisableInline)
- passes.add(createFunctionInliningPass()); // Inline small functions
- passes.add(createPruneEHPass()); // Remove dead EH info
- passes.add(createGlobalDCEPass()); // Remove dead functions
-
- // If we didn't decide to inline a function, check to see if we can
- // transform it to pass arguments by value instead of by reference.
- passes.add(createArgumentPromotionPass());
-
- // The IPO passes may leave cruft around. Clean up after them.
- passes.add(createInstructionCombiningPass());
- passes.add(createJumpThreadingPass()); // Thread jumps.
- passes.add(createScalarReplAggregatesPass()); // Break up allocas
-
- // Run a few AA driven optimizations here and now, to cleanup the code.
- passes.add(createFunctionAttrsPass()); // Add nocapture
- passes.add(createGlobalsModRefPass()); // IP alias analysis
- passes.add(createLICMPass()); // Hoist loop invariants
- passes.add(createGVNPass()); // Remove common subexprs
- passes.add(createMemCpyOptPass()); // Remove dead memcpy's
- passes.add(createDeadStoreEliminationPass()); // Nuke dead stores
-
- // Cleanup and simplify the code after the scalar optimizations.
- passes.add(createInstructionCombiningPass());
- passes.add(createJumpThreadingPass()); // Thread jumps.
- passes.add(createPromoteMemoryToRegisterPass()); // Cleanup after threading.
-
-
- // Delete basic blocks, which optimization passes may have killed...
- passes.add(createCFGSimplificationPass());
-
- // Now that we have optimized the program, discard unreachable functions...
- passes.add(createGlobalDCEPass());
+ createStandardLTOPasses(&passes, /*Internalize=*/ false, !DisableInline,
+ /*RunSecondGlobalOpt=*/ false,
+ /*VerifyEach=*/ false);
// Make sure everything is still good.
passes.add(createVerifierPass());