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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/llvm-ld
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/llvm-ld')
-rw-r--r--tools/llvm-ld/Optimize.cpp69
1 files changed, 4 insertions, 65 deletions
diff --git a/tools/llvm-ld/Optimize.cpp b/tools/llvm-ld/Optimize.cpp
index f788f06..a4ca951 100644
--- a/tools/llvm-ld/Optimize.cpp
+++ b/tools/llvm-ld/Optimize.cpp
@@ -17,6 +17,7 @@
#include "llvm/Analysis/LoopPass.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/StandardPasses.h"
#include "llvm/System/DynamicLibrary.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
@@ -91,71 +92,9 @@ void Optimize(Module* M) {
// Add an appropriate TargetData instance for this module...
addPass(Passes, new TargetData(M));
- if (!DisableOptimizations) {
- // Now that composite has been compiled, scan through the module, looking
- // for a main function. If main is defined, mark all other functions
- // internal.
- if (!DisableInternalize)
- addPass(Passes, createInternalizePass(true));
-
- // 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.
- addPass(Passes, createIPSCCPPass());
-
- // Now that we internalized some globals, see if we can hack on them!
- addPass(Passes, createGlobalOptimizerPass());
-
- // Linking modules together can lead to duplicated global constants, only
- // keep one copy of each constant...
- addPass(Passes, createConstantMergePass());
-
- // Remove unused arguments from functions...
- 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)
- addPass(Passes, createFunctionInliningPass()); // Inline small functions
-
- addPass(Passes, createPruneEHPass()); // Remove dead EH info
- addPass(Passes, createGlobalOptimizerPass()); // Optimize globals again.
- addPass(Passes, 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.
- addPass(Passes, createArgumentPromotionPass());
-
- // The IPO passes may leave cruft around. Clean up after them.
- addPass(Passes, createInstructionCombiningPass());
- addPass(Passes, createJumpThreadingPass()); // Thread jumps.
- addPass(Passes, createScalarReplAggregatesPass()); // Break up allocas
-
- // Run a few AA driven optimizations here and now, to cleanup the code.
- addPass(Passes, createFunctionAttrsPass()); // Add nocapture
- addPass(Passes, createGlobalsModRefPass()); // IP alias analysis
-
- addPass(Passes, createLICMPass()); // Hoist loop invariants
- addPass(Passes, createGVNPass()); // Remove redundancies
- addPass(Passes, createMemCpyOptPass()); // Remove dead memcpy's
- addPass(Passes, createDeadStoreEliminationPass()); // Nuke dead stores
-
- // Cleanup and simplify the code after the scalar optimizations.
- addPass(Passes, createInstructionCombiningPass());
-
- addPass(Passes, createJumpThreadingPass()); // Thread jumps.
- addPass(Passes, createPromoteMemoryToRegisterPass()); // Cleanup jumpthread.
-
- // Delete basic blocks, which optimization passes may have killed...
- addPass(Passes, createCFGSimplificationPass());
-
- // Now that we have optimized the program, discard unreachable functions...
- addPass(Passes, createGlobalDCEPass());
- }
+ if (!DisableOptimizations)
+ createStandardLTOPasses(&Passes, !DisableInternalize, !DisableInline,
+ /*RunSecondGlobalOpt=*/true, VerifyEach);
// If the -s or -S command line options were specified, strip the symbols out
// of the resulting program to make it smaller. -s and -S are GNU ld options