Add all codegen passes to the PassManager via TargetPassConfig.

This is a preliminary step toward having TargetPassConfig be able to
start and stop the compilation at specified passes for unit testing
and debugging.  No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159567 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 29 deletions

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 30963a2ea9..5129caa977 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -78,34 +78,6 @@ LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
          "and that InitializeAllTargetMCs() is being invoked!");
 }
 
-/// Turn exception handling constructs into something the code generators can
-/// handle.
-static void addPassesToHandleExceptions(TargetMachine *TM,
-                                        PassManagerBase &PM) {
-  switch (TM->getMCAsmInfo()->getExceptionHandlingType()) {
-  case ExceptionHandling::SjLj:
-    // SjLj piggy-backs on dwarf for this bit. The cleanups done apply to both
-    // Dwarf EH prepare needs to be run after SjLj prepare. Otherwise,
-    // catch info can get misplaced when a selector ends up more than one block
-    // removed from the parent invoke(s). This could happen when a landing
-    // pad is shared by multiple invokes and is also a target of a normal
-    // edge from elsewhere.
-    PM.add(createSjLjEHPreparePass(TM->getTargetLowering()));
-    // FALLTHROUGH
-  case ExceptionHandling::DwarfCFI:
-  case ExceptionHandling::ARM:
-  case ExceptionHandling::Win64:
-    PM.add(createDwarfEHPass(TM));
-    break;
-  case ExceptionHandling::None:
-    PM.add(createLowerInvokePass(TM->getTargetLowering()));
-
-    // The lower invoke pass may create unreachable code. Remove it.
-    PM.add(createUnreachableBlockEliminationPass());
-    break;
-  }
-}
-
 /// addPassesToX helper drives creation and initialization of TargetPassConfig.
 static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
                                           PassManagerBase &PM,
@@ -120,7 +92,7 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
 
   PassConfig->addIRPasses();
 
-  addPassesToHandleExceptions(TM, PM);
+  PassConfig->addPassesToHandleExceptions();
 
   PassConfig->addISelPrepare();