[SafeStack,NFC] Move SafeStackColoring code

Summary:
This code is going to be used in StackSafety.
This patch is file move with minimal changes. Identifiers
will be fixed in the followup patch.

Reviewers: eugenis, pcc

Reviewed By: eugenis

Subscribers: mgorny, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D81831

llvm/lib/Analysis/CMakeLists.txt

@@ -87,6 +87,7 @@ add_llvm_component_library(LLVMAnalysis
   ScalarEvolution.cpp
   ScalarEvolutionAliasAnalysis.cpp
   ScalarEvolutionNormalization.cpp
+  StackLifetime.cpp
   StackSafetyAnalysis.cpp
   SyncDependenceAnalysis.cpp
   SyntheticCountsUtils.cpp

llvm/lib/CodeGen/SafeStackColoring.cpp → llvm/lib/Analysis/StackLifetime.cpp

@@ -6,7 +6,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SafeStackColoring.h"
+#include "llvm/Analysis/StackLifetime.h"
 #include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/IR/BasicBlock.h"

llvm/lib/CodeGen/CMakeLists.txt

@@ -143,7 +143,6 @@ add_llvm_component_library(LLVMCodeGen
   RegUsageInfoPropagate.cpp
   ResetMachineFunctionPass.cpp
   SafeStack.cpp
-  SafeStackColoring.cpp
   SafeStackLayout.cpp
   ScalarizeMaskedMemIntrin.cpp
   ScheduleDAG.cpp

llvm/lib/CodeGen/SafeStack.cpp

@@ -14,7 +14,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SafeStackColoring.h"
 #include "SafeStackLayout.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/ArrayRef.h"
@@ -28,6 +27,7 @@
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
+#include "llvm/Analysis/StackLifetime.h"
 #include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetPassConfig.h"

llvm/lib/CodeGen/SafeStackLayout.cpp

@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "SafeStackLayout.h"
+#include "llvm/Analysis/StackLifetime.h"
 #include "llvm/IR/Value.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Compiler.h"

llvm/lib/CodeGen/SafeStackLayout.h

@@ -9,9 +9,9 @@
 #ifndef LLVM_LIB_CODEGEN_SAFESTACKLAYOUT_H
 #define LLVM_LIB_CODEGEN_SAFESTACKLAYOUT_H
 
-#include "SafeStackColoring.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/Analysis/StackLifetime.h"
 
 namespace llvm {