Next step on the getting-rid-of-static-ctors train: begin adding per-library

initialization functions that initialize the set of passes implemented in
that library.  Add C bindings for these functions as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115927 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm-c/Core.h

@@ -40,6 +40,7 @@
 /* Need these includes to support the LLVM 'cast' template for the C++ 'wrap' 
    and 'unwrap' conversion functions. */
 #include "llvm/Module.h"
+#include "llvm/PassRegistry.h"
 #include "llvm/Support/IRBuilder.h"
 
 extern "C" {
@@ -92,6 +93,9 @@ typedef struct LLVMOpaqueMemoryBuffer *LLVMMemoryBufferRef;
 /** See the llvm::PassManagerBase class. */
 typedef struct LLVMOpaquePassManager *LLVMPassManagerRef;
 
+/** See the llvm::PassRegistry class. */
+typedef struct LLVMOpaquePassRegistry *LLVMPassRegistryRef;
+
 /** Used to get the users and usees of a Value. See the llvm::Use class. */
 typedef struct LLVMOpaqueUse *LLVMUseRef;
 
@@ -1016,6 +1020,11 @@ LLVMBool LLVMCreateMemoryBufferWithSTDIN(LLVMMemoryBufferRef *OutMemBuf,
                                          char **OutMessage);
 void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf);
 
+/*===-- Pass Registry -----------------------------------------------------===*/
+
+/** Return the global pass registry, for use with initialization functions.
+    See llvm::PassRegistry::getPassRegistry. */
+LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void);
 
 /*===-- Pass Managers -----------------------------------------------------===*/
 
@@ -1104,6 +1113,7 @@ namespace llvm {
   DEFINE_SIMPLE_CONVERSION_FUNCTIONS(LLVMContext,        LLVMContextRef       )
   DEFINE_SIMPLE_CONVERSION_FUNCTIONS(Use,                LLVMUseRef           )
   DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassManagerBase,    LLVMPassManagerRef   )
+  DEFINE_STDCXX_CONVERSION_FUNCTIONS(PassRegistry,       LLVMPassRegistryRef  )
   /* LLVMModuleProviderRef exists for historical reasons, but now just holds a
    * Module.
    */

include/llvm/InitializePasses.h

@@ -19,6 +19,14 @@ namespace llvm {
 
 class PassRegistry;
 
+/// initializeTransformUtilsPasses - Initialize all passes linked into the 
+/// TransformUtils library.
+void initializeTransformUtils(PassRegistry&);
+
+/// initializeScalarOptsPasses - Initialize all passes linked into the 
+/// ScalarOpts library.
+void initializeScalarOpts(PassRegistry&);
+
 void initializeAAEvalPass(PassRegistry&);
 void initializeADCEPass(PassRegistry&);
 void initializeAliasAnalysisAnalysisGroup(PassRegistry&);

lib/Transforms/Scalar/Scalar.cpp

@@ -7,12 +7,15 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements the C bindings for libLLVMScalarOpts.a, which implements
-// several scalar transformations over the LLVM intermediate representation.
+// This file implements common infrastructure for libLLVMScalarOpts.a, which 
+// implements several scalar transformations over the LLVM intermediate
+// representation, including the C bindings for that library.
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm-c/Transforms/Scalar.h"
+#include "llvm-c/Initialization.h"
+#include "llvm/InitializePasses.h"
 #include "llvm/PassManager.h"
 #include "llvm/Analysis/Verifier.h"
 #include "llvm/Target/TargetData.h"
@@ -20,6 +23,47 @@
 
 using namespace llvm;
 
+/// initializeScalarOptsPasses - Initialize all passes linked into the 
+/// ScalarOpts library.
+void llvm::initializeScalarOpts(PassRegistry &Registry) {
+  initializeADCEPass(Registry);
+  initializeBlockPlacementPass(Registry);
+  initializeCodeGenPreparePass(Registry);
+  initializeConstantPropagationPass(Registry);
+  initializeCorrelatedValuePropagationPass(Registry);
+  initializeDCEPass(Registry);
+  initializeDeadInstEliminationPass(Registry);
+  initializeDSEPass(Registry);
+  initializeGEPSplitterPass(Registry);
+  initializeGVNPass(Registry);
+  initializeIndVarSimplifyPass(Registry);
+  initializeJumpThreadingPass(Registry);
+  initializeLICMPass(Registry);
+  initializeLoopDeletionPass(Registry);
+  initializeLoopIndexSplitPass(Registry);
+  initializeLoopRotatePass(Registry);
+  initializeLoopStrengthReducePass(Registry);
+  initializeLoopUnrollPass(Registry);
+  initializeLoopUnswitchPass(Registry);
+  initializeLowerAtomicPass(Registry);
+  initializeMemCpyOptPass(Registry);
+  initializeReassociatePass(Registry);
+  initializeRegToMemPass(Registry);
+  initializeSCCPPass(Registry);
+  initializeIPSCCPPass(Registry);
+  initializeSROAPass(Registry);
+  initializeCFGSimplifyPassPass(Registry);
+  initializeSimplifyHalfPowrLibCallsPass(Registry);
+  initializeSimplifyLibCallsPass(Registry);
+  initializeSinkingPass(Registry);
+  initializeTailDupPass(Registry);
+  initializeTailCallElimPass(Registry);
+}
+
+void LLVMInitializeScalarOpts(LLVMPassRegistryRef R) {
+  initializeScalarOpts(*unwrap(R));
+}
+
 void LLVMAddAggressiveDCEPass(LLVMPassManagerRef PM) {
   unwrap(PM)->add(createAggressiveDCEPass());
 }

lib/Transforms/Utils/CMakeLists.txt

@@ -22,6 +22,7 @@ add_llvm_library(LLVMTransformUtils
   SSAUpdater.cpp
   SimplifyCFG.cpp
   UnifyFunctionExitNodes.cpp
+  Utils.cpp
   ValueMapper.cpp
   )
 

lib/Transforms/Utils/Utils.cpp

@@ -0,0 +1,36 @@
+//===-- Utils.cpp - TransformUtils Infrastructure -------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the common initialization infrastructure for the
+// TransformUtils library.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/InitializePasses.h"
+#include "llvm-c/Initialization.h"
+
+using namespace llvm;
+
+/// initializeTransformUtils - Initialize all passes in the TransformUtils
+/// library.
+void llvm::initializeTransformUtils(PassRegistry &Registry) {
+  initializeBreakCriticalEdgesPass(Registry);
+  initializeInstNamerPass(Registry);
+  initializeLCSSAPass(Registry);
+  initializeLoopSimplifyPass(Registry);
+  initializeLowerInvokePass(Registry);
+  initializeLowerSwitchPass(Registry);
+  initializePromotePassPass(Registry);
+  initializeUnifyFunctionExitNodesPass(Registry);
+}
+
+/// LLVMInitializeTransformUtils - C binding for initializeTransformUtilsPasses.
+void LLVMInitializeTransformUtils(LLVMPassRegistryRef R) {
+  initializeTransformUtils(*unwrap(R));
+}

lib/VMCore/Core.cpp

@@ -2220,6 +2220,11 @@ void LLVMDisposeMemoryBuffer(LLVMMemoryBufferRef MemBuf) {
   delete unwrap(MemBuf);
 }
 
+/*===-- Pass Registry -----------------------------------------------------===*/
+
+LLVMPassRegistryRef LLVMGetGlobalPassRegistry(void) {
+  return wrap(PassRegistry::getPassRegistry());
+}
 
 /*===-- Pass Manager ------------------------------------------------------===*/