[AMDGPU][NewPM] Fill out addILPOpts. (#108514)

Author: cdevadas

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -1983,6 +1983,13 @@ void AMDGPUCodeGenPassBuilder::addPreISel(AddIRPass &addPass) const {
   addPass(RequireAnalysisPass<UniformityInfoAnalysis, Function>());
 }
 
+void AMDGPUCodeGenPassBuilder::addILPOpts(AddMachinePass &addPass) const {
+  if (EnableEarlyIfConversion)
+    addPass(EarlyIfConverterPass());
+
+  Base::addILPOpts(addPass);
+}
+
 void AMDGPUCodeGenPassBuilder::addAsmPrinter(AddMachinePass &addPass,
                                              CreateMCStreamer) const {
   // TODO: Add AsmPrinter.

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h

@@ -172,6 +172,7 @@ class AMDGPUCodeGenPassBuilder
   void addIRPasses(AddIRPass &) const;
   void addCodeGenPrepare(AddIRPass &) const;
   void addPreISel(AddIRPass &addPass) const;
+  void addILPOpts(AddMachinePass &) const;
   void addAsmPrinter(AddMachinePass &, CreateMCStreamer) const;
   Error addInstSelector(AddMachinePass &) const;
   void addMachineSSAOptimization(AddMachinePass &) const;