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Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which

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must be called in the pass's constructor.  This function uses static dependency declarations to recursively initialize
the pass's dependencies.

Clients that only create passes through the createFooPass() APIs will require no changes.  Clients that want to use the
CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h
before parsing commandline arguments.

I have tested this with all standard configurations of clang and llvm-gcc on Darwin.  It is possible that there are problems
with the static dependencies that will only be visible with non-standard options.  If you encounter any crash in pass
registration/creation, please send the testcase to me directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116820 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2010-10-19 17:21:58 +00:00
parent 9869413802
commit 081c34b725
140 changed files with 561 additions and 177 deletions
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9
lib/Transforms/Utils/LoopSimplify.cpp
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@ -65,7 +65,9 @@ STATISTIC(NumNested , "Number of nested loops split out");
namespace {
struct LoopSimplify : public LoopPass {
static char ID; // Pass identification, replacement for typeid
LoopSimplify() : LoopPass(ID) {}
LoopSimplify() : LoopPass(ID) {
initializeLoopSimplifyPass(*PassRegistry::getPassRegistry());
}
// AA - If we have an alias analysis object to update, this is it, otherwise
// this is null.
@ -111,11 +113,6 @@ INITIALIZE_PASS_BEGIN(LoopSimplify, "loopsimplify",
"Canonicalize natural loops", true, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTree)
INITIALIZE_PASS_DEPENDENCY(LoopInfo)
INITIALIZE_PASS_DEPENDENCY(ScalarEvolution)
INITIALIZE_PASS_DEPENDENCY(BreakCriticalEdges)
INITIALIZE_PASS_DEPENDENCY(DominanceFrontier)
INITIALIZE_PASS_DEPENDENCY(LCSSA)
INITIALIZE_AG_DEPENDENCY(AliasAnalysis)
INITIALIZE_PASS_END(LoopSimplify, "loopsimplify",
"Canonicalize natural loops", true, false)