CodeGen: Port ExpandLargeDivRem to new pass manager (#71022)

8 files changed, 45 insertions, 1 deletions

diff --git a/llvm/include/llvm/CodeGen/ExpandLargeDivRem.h b/llvm/include/llvm/CodeGen/ExpandLargeDivRem.h
new file mode 100644
index 0000000..6fc4409
--- /dev/null
+++ b/llvm/include/llvm/CodeGen/ExpandLargeDivRem.h
@@ -0,0 +1,30 @@
+//===- ExpandLargeDivRem.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_EXPANDLARGEDIVREM_H
+#define LLVM_CODEGEN_EXPANDLARGEDIVREM_H
+
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+class TargetMachine;
+
+class ExpandLargeDivRemPass : public PassInfoMixin<ExpandLargeDivRemPass> {
+private:
+  const TargetMachine *TM;
+
+public:
+  explicit ExpandLargeDivRemPass(const TargetMachine *TM_) : TM(TM_) {}
+
+  PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
+};
+
+} // end namespace llvm
+
+#endif // LLVM_CODEGEN_EXPANDLARGEDIVREM_H
diff --git a/llvm/lib/CodeGen/ExpandLargeDivRem.cpp b/llvm/lib/CodeGen/ExpandLargeDivRem.cpp
index 057b531..973c814 100644
--- a/llvm/lib/CodeGen/ExpandLargeDivRem.cpp
+++ b/llvm/lib/CodeGen/ExpandLargeDivRem.cpp
@@ -14,6 +14,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/CodeGen/ExpandLargeDivRem.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Analysis/GlobalsModRef.h"
@@ -128,6 +129,13 @@ public:
 };
 } // namespace
 
+PreservedAnalyses ExpandLargeDivRemPass::run(Function &F,
+                                             FunctionAnalysisManager &FAM) {
+  const TargetSubtargetInfo *STI = TM->getSubtargetImpl(F);
+  return runImpl(F, *STI->getTargetLowering()) ? PreservedAnalyses::none()
+                                               : PreservedAnalyses::all();
+}
+
 char ExpandLargeDivRemLegacyPass::ID = 0;
 INITIALIZE_PASS_BEGIN(ExpandLargeDivRemLegacyPass, "expand-large-div-rem",
                       "Expand large div/rem", false, false)
diff --git a/llvm/lib/Passes/PassBuilder.cpp b/llvm/lib/Passes/PassBuilder.cpp
index fde7590..baf7f55 100644
--- a/llvm/lib/Passes/PassBuilder.cpp
+++ b/llvm/lib/Passes/PassBuilder.cpp
@@ -72,6 +72,7 @@
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/TypeBasedAliasAnalysis.h"
 #include "llvm/Analysis/UniformityAnalysis.h"
+#include "llvm/CodeGen/ExpandLargeDivRem.h"
 #include "llvm/CodeGen/HardwareLoops.h"
 #include "llvm/CodeGen/TypePromotion.h"
 #include "llvm/IR/DebugInfo.h"
@@ -234,8 +235,8 @@
 #include "llvm/Transforms/Utils/CanonicalizeAliases.h"
 #include "llvm/Transforms/Utils/CanonicalizeFreezeInLoops.h"
 #include "llvm/Transforms/Utils/CountVisits.h"
-#include "llvm/Transforms/Utils/Debugify.h"
 #include "llvm/Transforms/Utils/DXILUpgrade.h"
+#include "llvm/Transforms/Utils/Debugify.h"
 #include "llvm/Transforms/Utils/EntryExitInstrumenter.h"
 #include "llvm/Transforms/Utils/FixIrreducible.h"
 #include "llvm/Transforms/Utils/HelloWorld.h"
diff --git a/llvm/lib/Passes/PassRegistry.def b/llvm/lib/Passes/PassRegistry.def
index 91782d6..5c58e4c 100644
--- a/llvm/lib/Passes/PassRegistry.def
+++ b/llvm/lib/Passes/PassRegistry.def
@@ -445,6 +445,7 @@ FUNCTION_PASS("transform-warning", WarnMissedTransformationsPass())
 FUNCTION_PASS("tsan", ThreadSanitizerPass())
 FUNCTION_PASS("memprof", MemProfilerPass())
 FUNCTION_PASS("declare-to-assign", llvm::AssignmentTrackingPass())
+FUNCTION_PASS("expand-large-div-rem", ExpandLargeDivRemPass(TM));
 #undef FUNCTION_PASS
 
 #ifndef FUNCTION_PASS_WITH_PARAMS
diff --git a/llvm/test/Transforms/ExpandLargeDivRem/X86/sdiv129.ll b/llvm/test/Transforms/ExpandLargeDivRem/X86/sdiv129.ll
index 61c8f88..184a420 100644
--- a/llvm/test/Transforms/ExpandLargeDivRem/X86/sdiv129.ll
+++ b/llvm/test/Transforms/ExpandLargeDivRem/X86/sdiv129.ll
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -S -mtriple=x86_64-- -expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
+; RUN: opt -S -mtriple=x86_64-- -passes=expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
 
 define void @sdiv129(ptr %ptr, ptr %out) nounwind {
 ; CHECK-LABEL: @sdiv129(
diff --git a/llvm/test/Transforms/ExpandLargeDivRem/X86/srem129.ll b/llvm/test/Transforms/ExpandLargeDivRem/X86/srem129.ll
index eddb209..ce428dd 100644
--- a/llvm/test/Transforms/ExpandLargeDivRem/X86/srem129.ll
+++ b/llvm/test/Transforms/ExpandLargeDivRem/X86/srem129.ll
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -S -mtriple=x86_64-- -expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
+; RUN: opt -S -mtriple=x86_64-- -passes=expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
 
 define void @test(ptr %ptr, ptr %out) nounwind {
 ; CHECK-LABEL: @test(
diff --git a/llvm/test/Transforms/ExpandLargeDivRem/X86/udiv129.ll b/llvm/test/Transforms/ExpandLargeDivRem/X86/udiv129.ll
index 78bce5c..bc2d39d 100644
--- a/llvm/test/Transforms/ExpandLargeDivRem/X86/udiv129.ll
+++ b/llvm/test/Transforms/ExpandLargeDivRem/X86/udiv129.ll
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -S -mtriple=x86_64-- -expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
+; RUN: opt -S -mtriple=x86_64-- -passes=expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
 
 define void @test(ptr %ptr, ptr %out) nounwind {
 ; CHECK-LABEL: @test(
diff --git a/llvm/test/Transforms/ExpandLargeDivRem/X86/urem129.ll b/llvm/test/Transforms/ExpandLargeDivRem/X86/urem129.ll
index ebe75fc..6e2f5b8 100644
--- a/llvm/test/Transforms/ExpandLargeDivRem/X86/urem129.ll
+++ b/llvm/test/Transforms/ExpandLargeDivRem/X86/urem129.ll
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt -S -mtriple=x86_64-- -expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
+; RUN: opt -S -mtriple=x86_64-- -passes=expand-large-div-rem -expand-div-rem-bits 128 < %s | FileCheck %s
 
 define void @test(ptr %ptr, ptr %out) nounwind {
 ; CHECK-LABEL: @test(