[CodeGen][NewPM] Port StackSlotColoring to NPM. (llvm#125876)

Author: cdevadas

llvm/include/llvm/CodeGen/StackSlotColoring.h

@@ -0,0 +1,24 @@
+//===- llvm/CodeGen/StackSlotColoring.h -------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_STACKSLOTCOLORING_H
+#define LLVM_CODEGEN_STACKSLOTCOLORING_H
+
+#include "llvm/CodeGen/MachinePassManager.h"
+
+namespace llvm {
+
+class StackSlotColoringPass : public PassInfoMixin<StackSlotColoringPass> {
+public:
+  PreservedAnalyses run(MachineFunction &MF,
+                        MachineFunctionAnalysisManager &MFAM);
+};
+
+} // namespace llvm
+
+#endif // LLVM_CODEGEN_STACKSLOTCOLORING_H

llvm/include/llvm/InitializePasses.h

@@ -298,7 +298,7 @@ void initializeStackMapLivenessPass(PassRegistry &);
 void initializeStackProtectorPass(PassRegistry &);
 void initializeStackSafetyGlobalInfoWrapperPassPass(PassRegistry &);
 void initializeStackSafetyInfoWrapperPassPass(PassRegistry &);
-void initializeStackSlotColoringPass(PassRegistry &);
+void initializeStackSlotColoringLegacyPass(PassRegistry &);
 void initializeStraightLineStrengthReduceLegacyPassPass(PassRegistry &);
 void initializeStripDebugMachineModulePass(PassRegistry &);
 void initializeStructurizeCFGLegacyPassPass(PassRegistry &);

llvm/include/llvm/Passes/CodeGenPassBuilder.h

@@ -70,6 +70,7 @@
 #include "llvm/CodeGen/SjLjEHPrepare.h"
 #include "llvm/CodeGen/StackColoring.h"
 #include "llvm/CodeGen/StackProtector.h"
+#include "llvm/CodeGen/StackSlotColoring.h"
 #include "llvm/CodeGen/TailDuplication.h"
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/CodeGen/TwoAddressInstructionPass.h"

llvm/include/llvm/Passes/MachinePassRegistry.def

@@ -173,6 +173,7 @@ MACHINE_FUNCTION_PASS("rename-independent-subregs", RenameIndependentSubregsPass
 MACHINE_FUNCTION_PASS("require-all-machine-function-properties",
                       RequireAllMachineFunctionPropertiesPass())
 MACHINE_FUNCTION_PASS("stack-coloring", StackColoringPass())
+MACHINE_FUNCTION_PASS("stack-slot-coloring", StackSlotColoringPass())
 MACHINE_FUNCTION_PASS("tailduplication", TailDuplicatePass())
 MACHINE_FUNCTION_PASS("trigger-verifier-error", TriggerVerifierErrorPass())
 MACHINE_FUNCTION_PASS("two-address-instruction", TwoAddressInstructionPass())
@@ -267,7 +268,6 @@ DUMMY_MACHINE_FUNCTION_PASS("removeredundantdebugvalues", RemoveRedundantDebugVa
 DUMMY_MACHINE_FUNCTION_PASS("reset-machine-function", ResetMachineFunctionPass)
 DUMMY_MACHINE_FUNCTION_PASS("shrink-wrap", ShrinkWrapPass)
 DUMMY_MACHINE_FUNCTION_PASS("stack-frame-layout", StackFrameLayoutAnalysisPass)
-DUMMY_MACHINE_FUNCTION_PASS("stack-slot-coloring", StackSlotColoringPass)
 DUMMY_MACHINE_FUNCTION_PASS("stackmap-liveness", StackMapLivenessPass)
 DUMMY_MACHINE_FUNCTION_PASS("unpack-mi-bundles", UnpackMachineBundlesPass)
 DUMMY_MACHINE_FUNCTION_PASS("virtregrewriter", VirtRegRewriterPass)

llvm/lib/CodeGen/CodeGen.cpp

@@ -130,7 +130,7 @@ void llvm::initializeCodeGen(PassRegistry &Registry) {
   initializeStackFrameLayoutAnalysisPassPass(Registry);
   initializeStackMapLivenessPass(Registry);
   initializeStackProtectorPass(Registry);
-  initializeStackSlotColoringPass(Registry);
+  initializeStackSlotColoringLegacyPass(Registry);
   initializeStaticDataSplitterPass(Registry);
   initializeStripDebugMachineModulePass(Registry);
   initializeTailDuplicateLegacyPass(Registry);