[AMDGPU] Add amdgpu-sw-lower-lds pass to NPM codegen addIRPasses. (#124102)

This PR adds amdgpu-sw-lower-lds pass to
AMDGPUCodeGenPassBuilder::addIRPasses()

Author: skc7

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -1950,6 +1950,9 @@ void AMDGPUCodeGenPassBuilder::addIRPasses(AddIRPass &addPass) const {
 
   addPass(AMDGPUOpenCLEnqueuedBlockLoweringPass());
 
+  if (EnableSwLowerLDS)
+    addPass(AMDGPUSwLowerLDSPass(TM));
+
   // Runs before PromoteAlloca so the latter can account for function uses
   if (EnableLowerModuleLDS)
     addPass(AMDGPULowerModuleLDSPass(TM));

llvm/test/CodeGen/AMDGPU/amdgpu-sw-lower-lds-static-lds-test.ll

@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 4
 ; RUN: opt < %s -passes=amdgpu-sw-lower-lds -S -amdgpu-asan-instrument-lds=false -mtriple=amdgcn-amd-amdhsa | FileCheck %s
+; RUN: llc < %s -enable-new-pm -stop-after=amdgpu-sw-lower-lds -amdgpu-asan-instrument-lds=false -mtriple=amdgcn-amd-amdhsa | FileCheck %s
 
 ; Test to check if static LDS accesses in kernel are lowered correctly.
 @lds_1 = internal addrspace(3) global [1 x i8] poison, align 4