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Make TargetPassConfig an ImmutablePass so CodeGenPasses can query options

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2012-02-04 02:56:45 +00:00
parent 2b2c7b9c52
commit 7461334084
5 changed files with 48 additions and 17 deletions
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17
lib/CodeGen/LLVMTargetMachine.cpp
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@@ -125,27 +125,14 @@ LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
"and that InitializeAllTargetMCs() is being invoked!");
}
TargetPassConfig::TargetPassConfig(TargetMachine *tm, PassManagerBase &pm,
bool DisableVerifyFlag)
: TM(tm), PM(pm), DisableVerify(DisableVerifyFlag) {
// Register all target independent codegen passes to activate their PassIDs.
initializeCodeGen(*PassRegistry::getPassRegistry());
}
/// createPassConfig - Create a pass configuration object to be used by
/// addPassToEmitX methods for generating a pipeline of CodeGen passes.
TargetPassConfig *LLVMTargetMachine::createPassConfig(PassManagerBase &PM,
bool DisableVerify) {
return new TargetPassConfig(this, PM, DisableVerify);
}
bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
bool DisableVerify) {
// Add common CodeGen passes.
MCContext *Context = 0;
OwningPtr<TargetPassConfig> PassConfig(createPassConfig(PM, DisableVerify));
TargetPassConfig *PassConfig = createPassConfig(PM, DisableVerify);
PM.add(PassConfig);
if (PassConfig->addCodeGenPasses(Context))
return true;
assert(Context != 0 && "Failed to get MCContext");