From 7461334084aa77286b6f9af596fb0f6ba0465685 Mon Sep 17 00:00:00 2001 From: Andrew Trick Date: Sat, 4 Feb 2012 02:56:45 +0000 Subject: Make TargetPassConfig an ImmutablePass so CodeGenPasses can query options git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149752 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/Passes.cpp | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'lib/CodeGen/Passes.cpp') diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp index 5f57088eed..f2618282c3 100644 --- a/lib/CodeGen/Passes.cpp +++ b/lib/CodeGen/Passes.cpp @@ -14,9 +14,43 @@ #include "llvm/CodeGen/RegAllocRegistry.h" #include "llvm/CodeGen/Passes.h" +#include "llvm/Support/ErrorHandling.h" using namespace llvm; +//===---------------------------------------------------------------------===// +/// TargetPassConfig +//===---------------------------------------------------------------------===// + +INITIALIZE_PASS(TargetPassConfig, "targetpassconfig", + "Target Pass Configuration", false, false) +char TargetPassConfig::ID = 0; + +// Out of line virtual method. +TargetPassConfig::~TargetPassConfig() {} + +TargetPassConfig::TargetPassConfig(TargetMachine *tm, PassManagerBase &pm, + bool DisableVerifyFlag) + : ImmutablePass(ID), TM(tm), PM(pm), DisableVerify(DisableVerifyFlag) { + // Register all target independent codegen passes to activate their PassIDs, + // including this pass itself. + initializeCodeGen(*PassRegistry::getPassRegistry()); +} + +/// createPassConfig - Create a pass configuration object to be used by +/// addPassToEmitX methods for generating a pipeline of CodeGen passes. +/// +/// Targets may override this to extend TargetPassConfig. +TargetPassConfig *LLVMTargetMachine::createPassConfig(PassManagerBase &PM, + bool DisableVerify) { + return new TargetPassConfig(this, PM, DisableVerify); +} + +TargetPassConfig::TargetPassConfig() + : ImmutablePass(ID), PM(*(PassManagerBase*)0) { + llvm_unreachable("TargetPassConfig should not be constructed on-the-fly"); +} + //===---------------------------------------------------------------------===// /// /// RegisterRegAlloc class - Track the registration of register allocators. -- cgit v1.2.3