Split AllOpts.h into lots of little .h files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 197 insertions, 0 deletions

diff --git a/include/llvm/Transforms/FunctionInlining.h b/include/llvm/Transforms/FunctionInlining.h
new file mode 100644
index 0000000000..b314b97bed
--- /dev/null
+++ b/include/llvm/Transforms/FunctionInlining.h
@@ -0,0 +1,40 @@
+//===-- MethodInlining.h - Functions that perform Inlining -------*- C++ -*--=//
+//
+// This family of functions is useful for performing method inlining.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OPT_METHOD_INLINING_H
+#define LLVM_OPT_METHOD_INLINING_H
+
+#include "llvm/Module.h"
+#include "llvm/BasicBlock.h"
+class CallInst;
+
+namespace opt {
+
+// DoMethodInlining - Use a heuristic based approach to inline methods that seem
+// to look good.
+//
+bool DoMethodInlining(Method *M);
+
+static inline bool DoMethodInlining(Module *M) { 
+  return M->reduceApply(DoMethodInlining); 
+}
+
+// InlineMethod - This function forcibly inlines the called method into the
+// basic block of the caller.  This returns true if it is not possible to inline
+// this call.  The program is still in a well defined state if this occurs 
+// though.
+//
+// Note that this only does one level of inlining.  For example, if the 
+// instruction 'call B' is inlined, and 'B' calls 'C', then the call to 'C' now 
+// exists in the instruction stream.  Similiarly this will inline a recursive
+// method by one level.
+//
+bool InlineMethod(CallInst *C);
+bool InlineMethod(BasicBlock::iterator CI);  // *CI must be CallInst
+
+}  // end namespace opt
+
+#endif
diff --git a/include/llvm/Transforms/Scalar/ConstantProp.h b/include/llvm/Transforms/Scalar/ConstantProp.h
new file mode 100644
index 0000000000..bbcd609be0
--- /dev/null
+++ b/include/llvm/Transforms/Scalar/ConstantProp.h
@@ -0,0 +1,65 @@
+//===-- ConstantProp.h - Functions for Constant Propogation ------*- C++ -*--=//
+//
+// This family of functions are useful for performing constant propogation.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OPT_CONSTANT_PROPOGATION_H
+#define LLVM_OPT_CONSTANT_PROPOGATION_H
+
+#include "llvm/Module.h"
+class Method;
+class TerminatorInst;
+class ConstantPool;
+
+namespace opt {
+
+// DoConstantPropogation - Do trivial constant propogation and expression
+// folding
+bool DoConstantPropogation(Method *M);
+
+static inline bool DoConstantPropogation(Module *M) { 
+  return M->reduceApply(DoConstantPropogation); 
+}
+
+
+// ConstantFoldTerminator - If a terminator instruction is predicated on a
+// constant value, convert it into an unconditional branch to the constant
+// destination.
+//
+bool ConstantFoldTerminator(TerminatorInst *T);
+
+
+//===----------------------------------------------------------------------===//
+// Constant Pool Merging Pass
+//
+// This function merges all constants in the specified constant pool that have
+// identical types and values.  This is useful for passes that generate lots of
+// constants as a side effect of running.
+//
+bool DoConstantPoolMerging(ConstantPool &CP);
+bool DoConstantPoolMerging(Method *M);
+
+static inline bool DoConstantPoolMerging(Module *M) {
+  return M->reduceApply(DoConstantPoolMerging) |
+         DoConstantPoolMerging(M->getConstantPool());
+}
+
+//===----------------------------------------------------------------------===//
+// Sparse Conditional Constant Propogation Pass
+//
+
+bool DoSparseConditionalConstantProp(Method *M);
+
+static inline bool DoSparseConditionalConstantProp(Module *M) {
+  return M->reduceApply(DoSparseConditionalConstantProp);
+}
+
+// Define a shorter version of the name...
+template <class Unit> bool DoSCCP(Unit *M) { 
+  return DoSparseConditionalConstantProp(M); 
+}
+
+}  // End Namespace opt
+
+#endif
diff --git a/include/llvm/Transforms/Scalar/DCE.h b/include/llvm/Transforms/Scalar/DCE.h
new file mode 100644
index 0000000000..362e14651d
--- /dev/null
+++ b/include/llvm/Transforms/Scalar/DCE.h
@@ -0,0 +1,35 @@
+//===-- DCE.h - Functions that perform Dead Code Elimination -----*- C++ -*--=//
+//
+// This family of functions is useful for performing dead code elimination of 
+// various sorts.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OPT_DCE_H
+#define LLVM_OPT_DCE_H
+
+#include "llvm/Method.h"
+class Module;
+class SymTabValue;
+class BasicBlock;
+
+namespace opt {
+
+bool DoDeadCodeElimination(Method *M);         // DCE a method
+bool DoRemoveUnusedConstants(SymTabValue *S);  // RUC a method or module
+bool DoDeadCodeElimination(Module *C);         // DCE & RUC a whole module
+
+// SimplifyCFG - This function is used to do simplification of a CFG.  For
+// example, it adjusts branches to branches to eliminate the extra hop, it
+// eliminates unreachable basic blocks, and does other "peephole" optimization
+// of the CFG.  It returns true if a modification was made, and returns an 
+// iterator that designates the first element remaining after the block that
+// was deleted.
+//
+// WARNING:  The entry node of a method may not be simplified.
+//
+bool SimplifyCFG(Method::iterator &BBIt);
+
+}  // End namespace opt
+
+#endif
diff --git a/include/llvm/Transforms/Scalar/InductionVars.h b/include/llvm/Transforms/Scalar/InductionVars.h
new file mode 100644
index 0000000000..4e8d4a68ce
--- /dev/null
+++ b/include/llvm/Transforms/Scalar/InductionVars.h
@@ -0,0 +1,24 @@
+//===-- InductionVars.h - Induction Variable Recognition ---------*- C++ -*--=//
+//
+// This family of functions is useful for Induction variable recognition, 
+// removal and optimizations.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OPT_INDUCTION_VARS_H
+#define LLVM_OPT_INDUCTION_VARS_H
+
+#include "llvm/Module.h"
+
+namespace opt {
+
+// DoInductionVariableCannonicalize - Simplify induction variables in loops
+//
+bool DoInductionVariableCannonicalize(Method *M);
+static inline bool DoInductionVariableCannonicalize(Module *M) { 
+  return M->reduceApply(DoInductionVariableCannonicalize); 
+}
+
+}  // end namespace opt
+
+#endif
diff --git a/include/llvm/Transforms/Scalar/SymbolStripping.h b/include/llvm/Transforms/Scalar/SymbolStripping.h
new file mode 100644
index 0000000000..1b26685d1e
--- /dev/null
+++ b/include/llvm/Transforms/Scalar/SymbolStripping.h
@@ -0,0 +1,33 @@
+//===-- SymbolStripping.h - Functions that Strip Symbol Tables ---*- C++ -*--=//
+//
+// This family of functions removes symbols from the symbol tables of methods
+// and classes.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_OPT_SYMBOL_STRIPPING_H
+#define LLVM_OPT_SYMBOL_STRIPPING_H
+
+class Method;
+class Module;
+
+namespace opt {
+
+// DoSymbolStripping - Remove all symbolic information from a method
+//
+bool DoSymbolStripping(Method *M);
+
+// DoSymbolStripping - Remove all symbolic information from all methods in a 
+// module
+//
+static inline bool DoSymbolStripping(Module *M) { 
+  return M->reduceApply(DoSymbolStripping); 
+}
+
+// DoFullSymbolStripping - Remove all symbolic information from all methods 
+// in a module, and all module level symbols. (method names, etc...)
+//
+bool DoFullSymbolStripping(Module *M);
+
+} // End namespace opt 
+#endif