Manage MachineFunctions with an analysis Pass instead of the Annotable

mechanism. To support this, make MachineFunctionPass a little more
complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77654 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 15 deletions

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 0f33ee3df8..6f0581a7fc 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Analysis/LoopPass.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/GCStrategy.h"
+#include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetRegistry.h"
@@ -118,9 +119,6 @@ bool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM,
 
   PM.add(createGCInfoDeleter());
 
-  // Delete machine code for this function
-  PM.add(createMachineCodeDeleter());
-
   return false; // success!
 }
 
@@ -137,9 +135,6 @@ bool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM,
 
   PM.add(createGCInfoDeleter());
 
-  // Delete machine code for this function
-  PM.add(createMachineCodeDeleter());
-
   return false; // success!
 }
 
@@ -156,9 +151,6 @@ bool LLVMTargetMachine::addPassesToEmitFileFinish(PassManagerBase &PM,
 
   PM.add(createGCInfoDeleter());
 
-  // Delete machine code for this function
-  PM.add(createMachineCodeDeleter());
-
   return false; // success!
 }
 
@@ -184,9 +176,6 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
 
   PM.add(createGCInfoDeleter());
 
-  // Delete machine code for this function
-  PM.add(createMachineCodeDeleter());
-
   return false; // success!
 }
 
@@ -212,9 +201,6 @@ bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
 
   PM.add(createGCInfoDeleter());
 
-  // Delete machine code for this function
-  PM.add(createMachineCodeDeleter());
-
   return false; // success!
 }
 
@@ -265,6 +251,9 @@ bool LLVMTargetMachine::addCommonCodeGenPasses(PassManagerBase &PM,
 
   // Standard Lower-Level Passes.
 
+  // Set up a MachineFunction for the rest of CodeGen to work on.
+  PM.add(new MachineFunctionAnalysis(*this, OptLevel));
+
   // Enable FastISel with -fast, but allow that to be overridden.
   if (EnableFastISelOption == cl::BOU_TRUE ||
       (OptLevel == CodeGenOpt::None && EnableFastISelOption != cl::BOU_FALSE))