Aggressively prune the DFS when inserting phi-defs.

[oota-llvm.git] / include / llvm / Transforms / IPO.h

diff --git a/include/llvm/Transforms/IPO.h b/include/llvm/Transforms/IPO.h
index 57377f985561117253b703aedb85bdfb509f70c9..fc67bc594bdcb431368b078b9d8b0f40efb0a130 100644 (file)
--- a/include/llvm/Transforms/IPO.h
+++ b/include/llvm/Transforms/IPO.h
@@ -19,7 +19,6 @@
 
 namespace llvm {
 
-class FunctionPass;
 class ModulePass;
 class Pass;
 class Function;
@@ -33,12 +32,29 @@ class GlobalValue;
 //
 ModulePass *createStripSymbolsPass(bool OnlyDebugInfo = false);
 
+//===----------------------------------------------------------------------===//
+//
+// These functions strips symbols from functions and modules.  
+// Only debugging information is not stripped.
+//
+ModulePass *createStripNonDebugSymbolsPass();
+
+//===----------------------------------------------------------------------===//
+//
+// These pass removes llvm.dbg.declare intrinsics.
+ModulePass *createStripDebugDeclarePass();
+
+//===----------------------------------------------------------------------===//
+//
+// These pass removes unused symbols' debug info.
+ModulePass *createStripDeadDebugInfoPass();
+
 //===----------------------------------------------------------------------===//
 /// createLowerSetJmpPass - This function lowers the setjmp/longjmp intrinsics
 /// to invoke/unwind instructions.  This should really be part of the C/C++
 /// front-end, but it's so much easier to write transformations in LLVM proper.
 ///
-ModulePass* createLowerSetJmpPass();
+ModulePass *createLowerSetJmpPass();
 
 //===----------------------------------------------------------------------===//
 /// createConstantMergePass - This function returns a new pass that merges
@@ -57,13 +73,6 @@ ModulePass *createConstantMergePass();
 ModulePass *createGlobalOptimizerPass();
 
 
-//===----------------------------------------------------------------------===//
-/// createRaiseAllocationsPass - Return a new pass that transforms malloc and
-/// free function calls into malloc and free instructions.
-///
-ModulePass *createRaiseAllocationsPass();
-
-
 //===----------------------------------------------------------------------===//
 /// createDeadTypeEliminationPass - Return a new pass that eliminates symbol
 /// table entries for types that are never used.
@@ -94,6 +103,11 @@ ModulePass *createGVExtractionPass(std::vector<GlobalValue*>& GVs, bool
 Pass *createFunctionInliningPass();
 Pass *createFunctionInliningPass(int Threshold);
 
+//===----------------------------------------------------------------------===//
+/// createAlwaysInlinerPass - Return a new pass object that inlines only 
+/// functions that are marked as "always_inline".
+Pass *createAlwaysInlinerPass();
+
 //===----------------------------------------------------------------------===//
 /// createPruneEHPass - Return a new pass object which transforms invoke
 /// instructions into calls, if the callee can _not_ unwind the stack.
@@ -106,13 +120,18 @@ Pass *createPruneEHPass();
 /// of the api.  If a list of symbols is specified with the
 /// -internalize-public-api-* command line options, those symbols are not
 /// internalized and all others are.  Otherwise if AllButMain is set and the
-/// main function is found, all other globals are marked as internal.
+/// main function is found, all other globals are marked as internal. If no api
+/// is supplied and AllButMain is not set, or no main function is found, nothing
+/// is internalized.
 ///
 ModulePass *createInternalizePass(bool AllButMain);
 
 /// createInternalizePass - This pass loops over all of the functions in the
 /// input module, internalizing all globals (functions and variables) not in the
 /// given exportList.
+///
+/// Note that commandline options that are used with the above function are not
+/// used now! Also, when exportList is empty, nothing is internalized.
 ModulePass *createInternalizePass(const std::vector<const char *> &exportList);
 
 //===----------------------------------------------------------------------===//
@@ -152,26 +171,47 @@ ModulePass *createIPSCCPPass();
 /// createLoopExtractorPass - This pass extracts all natural loops from the
 /// program into a function if it can.
 ///
-FunctionPass *createLoopExtractorPass();
+Pass *createLoopExtractorPass();
 
 /// createSingleLoopExtractorPass - This pass extracts one natural loop from the
 /// program into a function if it can.  This is used by bugpoint.
 ///
-FunctionPass *createSingleLoopExtractorPass();
+Pass *createSingleLoopExtractorPass();
 
 /// createBlockExtractorPass - This pass extracts all blocks (except those
 /// specified in the argument list) from the functions in the module.
 ///
-ModulePass *createBlockExtractorPass(const std::vector<BasicBlock*> &BTNE);
-
-/// createIndMemRemPass - This pass removes potential indirect calls of
-/// malloc and free
-ModulePass *createIndMemRemPass();
+ModulePass *createBlockExtractorPass();
 
 /// createStripDeadPrototypesPass - This pass removes any function declarations
 /// (prototypes) that are not used.
 ModulePass *createStripDeadPrototypesPass();
 
+//===----------------------------------------------------------------------===//
+/// createPartialSpecializationPass - This pass specializes functions for
+/// constant arguments.
+///
+ModulePass *createPartialSpecializationPass();
+
+//===----------------------------------------------------------------------===//
+/// createFunctionAttrsPass - This pass discovers functions that do not access
+/// memory, or only read memory, and gives them the readnone/readonly attribute.
+/// It also discovers function arguments that are not captured by the function
+/// and marks them with the nocapture attribute.
+///
+Pass *createFunctionAttrsPass();
+
+//===----------------------------------------------------------------------===//
+/// createMergeFunctionsPass - This pass discovers identical functions and
+/// collapses them.
+///
+ModulePass *createMergeFunctionsPass();
+
+//===----------------------------------------------------------------------===//
+/// createPartialInliningPass - This pass inlines parts of functions.
+///
+ModulePass *createPartialInliningPass();
+
 } // End llvm namespace
 
 #endif