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Add all codegen passes to the PassManager via TargetPassConfig.

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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
This commit is contained in:
Bob Wilson
2012-07-02 19:48:31 +00:00
parent 8add7b48d2
commit 564fbf6aff
14 changed files with 113 additions and 100 deletions
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lib/CodeGen/LLVMTargetMachine.cpp
+1 -29
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@@ -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();