4 files changed, 23 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp b/llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp
index aaf09c8c938..a87ef20a3be 100644
--- a/llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/CSEInfo.cpp
@@ -27,8 +27,8 @@ void UniqueMachineInstr::Profile(FoldingSetNodeID &ID) {
 }
 /// -----------------------------------------
 
-/// --------- CSEConfig ---------- ///
-bool CSEConfig::shouldCSEOpc(unsigned Opc) {
+/// --------- CSEConfigFull ---------- ///
+bool CSEConfigFull::shouldCSEOpc(unsigned Opc) {
   switch (Opc) {
   default:
     break;
@@ -60,6 +60,17 @@ bool CSEConfig::shouldCSEOpc(unsigned Opc) {
 bool CSEConfigConstantOnly::shouldCSEOpc(unsigned Opc) {
   return Opc == TargetOpcode::G_CONSTANT;
 }
+
+std::unique_ptr<CSEConfigBase>
+llvm::getStandardCSEConfigForOpt(CodeGenOpt::Level Level) {
+  std::unique_ptr<CSEConfigBase> Config;
+  if (Level == CodeGenOpt::None)
+    Config = make_unique<CSEConfigBase>();
+  else
+    Config = make_unique<CSEConfigFull>();
+  return Config;
+}
+
 /// -----------------------------------------
 
 /// -------- GISelCSEInfo -------------//
@@ -348,8 +359,9 @@ const GISelInstProfileBuilder &GISelInstProfileBuilder::addNodeIDMachineOperand(
   return *this;
 }
 
-GISelCSEInfo &GISelCSEAnalysisWrapper::get(std::unique_ptr<CSEConfig> CSEOpt,
-                                           bool Recompute) {
+GISelCSEInfo &
+GISelCSEAnalysisWrapper::get(std::unique_ptr<CSEConfigBase> CSEOpt,
+                             bool Recompute) {
   if (!AlreadyComputed || Recompute) {
     Info.setCSEConfig(std::move(CSEOpt));
     Info.analyze(*MF);
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
index 290d592339f..2e268ed27a9 100644
--- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -1729,8 +1729,7 @@ bool IRTranslator::runOnMachineFunction(MachineFunction &CurMF) {
 
   if (EnableCSE) {
     EntryBuilder = make_unique<CSEMIRBuilder>(CurMF);
-    std::unique_ptr<CSEConfig> Config = make_unique<CSEConfig>();
-    CSEInfo = &Wrapper.get(std::move(Config));
+    CSEInfo = &Wrapper.get(TPC->getCSEConfig());
     EntryBuilder->setCSEInfo(CSEInfo);
     CurBuilder = make_unique<CSEMIRBuilder>(CurMF);
     CurBuilder->setCSEInfo(CSEInfo);
diff --git a/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp b/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp
index 4db86761cdb..efdae5790ab 100644
--- a/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/Legalizer.cpp
@@ -170,8 +170,7 @@ bool Legalizer::runOnMachineFunction(MachineFunction &MF) {
 
   if (EnableCSE) {
     MIRBuilder = make_unique<CSEMIRBuilder>();
-    std::unique_ptr<CSEConfig> Config = make_unique<CSEConfig>();
-    CSEInfo = &Wrapper.get(std::move(Config));
+    CSEInfo = &Wrapper.get(TPC.getCSEConfig());
     MIRBuilder->setCSEInfo(CSEInfo);
   } else
     MIRBuilder = make_unique<MachineIRBuilder>();
diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp
index 8ddde4b8f99..e5c7ceff112 100644
--- a/llvm/lib/CodeGen/TargetPassConfig.cpp
+++ b/llvm/lib/CodeGen/TargetPassConfig.cpp
@@ -22,6 +22,7 @@
 #include "llvm/Analysis/ScopedNoAliasAA.h"
 #include "llvm/Analysis/TargetTransformInfo.h"
 #include "llvm/Analysis/TypeBasedAliasAnalysis.h"
+#include "llvm/CodeGen/CSEConfigBase.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachinePassRegistry.h"
 #include "llvm/CodeGen/Passes.h"
@@ -1227,3 +1228,7 @@ bool TargetPassConfig::reportDiagnosticWhenGlobalISelFallback() const {
 bool TargetPassConfig::isGISelCSEEnabled() const {
   return getOptLevel() != CodeGenOpt::Level::None;
 }
+
+std::unique_ptr<CSEConfigBase> TargetPassConfig::getCSEConfig() const {
+  return make_unique<CSEConfigBase>();
+}