Reverting changes from https://reviews.llvm.org/D120566 Do not allow a call to kernel

Author: anikelal

llvm/lib/Target/AMDGPU/AMDGPU.h

@@ -408,10 +408,6 @@ class AMDGPUSetWavePriorityPass
 
 FunctionPass *createAMDGPUAnnotateUniformValuesLegacy();
 
-ModulePass *createAMDGPULowerKernelCallsPass();
-void initializeAMDGPULowerKernelCallsPass(PassRegistry&);
-extern char &AMDGPULowerKernelCallsID;
-
 ModulePass *createAMDGPUPrintfRuntimeBinding();
 void initializeAMDGPUPrintfRuntimeBindingPass(PassRegistry&);
 extern char &AMDGPUPrintfRuntimeBindingID;

llvm/lib/Target/AMDGPU/AMDGPULowerKernelCalls.cpp

@@ -554,7 +554,6 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAMDGPUTarget() {
   initializeAMDGPUExternalAAWrapperPass(*PR);
   initializeAMDGPUImageIntrinsicOptimizerPass(*PR);
   initializeAMDGPUPrintfRuntimeBindingPass(*PR);
-  initializeAMDGPULowerKernelCallsPass(*PR);
   initializeAMDGPUResourceUsageAnalysisPass(*PR);
   initializeGCNNSAReassignLegacyPass(*PR);
   initializeGCNPreRAOptimizationsLegacyPass(*PR);
@@ -1249,9 +1248,6 @@ void AMDGPUPassConfig::addIRPasses() {
   if (LowerCtorDtor)
     addPass(createAMDGPUCtorDtorLoweringLegacyPass());
 
-  // this pass should be performed on linked module
-  addPass(createAMDGPULowerKernelCallsPass());
-
   if (isPassEnabled(EnableImageIntrinsicOptimizer))
     addPass(createAMDGPUImageIntrinsicOptimizerPass(&TM));
 

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -74,7 +74,6 @@ add_llvm_target(AMDGPUCodeGen
   AMDGPULowerBufferFatPointers.cpp
   AMDGPULowerKernelArguments.cpp
   AMDGPULowerKernelAttributes.cpp
-  AMDGPULowerKernelCalls.cpp
   AMDGPULowerModuleLDSPass.cpp
   AMDGPUSwLowerLDS.cpp
   AMDGPUMachineFunction.cpp

llvm/lib/Target/AMDGPU/CMakeLists.txt

@@ -32,7 +32,6 @@
 ; GCN-O0-NEXT:    AMDGPU Remove Incompatible Functions
 ; GCN-O0-NEXT:    AMDGPU Printf lowering
 ; GCN-O0-NEXT:    Lower ctors and dtors for AMDGPU
-; GCN-O0-NEXT:    AMDGPU Lower Kernel Calls
 ; GCN-O0-NEXT:    Expand variadic functions
 ; GCN-O0-NEXT:    AMDGPU Inline All Functions
 ; GCN-O0-NEXT:    Inliner for always_inline functions
@@ -184,7 +183,6 @@
 ; GCN-O1-NEXT:    AMDGPU Remove Incompatible Functions
 ; GCN-O1-NEXT:    AMDGPU Printf lowering
 ; GCN-O1-NEXT:    Lower ctors and dtors for AMDGPU
-; GCN-O1-NEXT:    AMDGPU Lower Kernel Calls
 ; GCN-O1-NEXT:    Expand variadic functions
 ; GCN-O1-NEXT:    AMDGPU Inline All Functions
 ; GCN-O1-NEXT:    Inliner for always_inline functions
@@ -471,7 +469,6 @@
 ; GCN-O1-OPTS-NEXT:    AMDGPU Remove Incompatible Functions
 ; GCN-O1-OPTS-NEXT:    AMDGPU Printf lowering
 ; GCN-O1-OPTS-NEXT:    Lower ctors and dtors for AMDGPU
-; GCN-O1-OPTS-NEXT:    AMDGPU Lower Kernel Calls
 ; GCN-O1-OPTS-NEXT:    Expand variadic functions
 ; GCN-O1-OPTS-NEXT:    AMDGPU Inline All Functions
 ; GCN-O1-OPTS-NEXT:    Inliner for always_inline functions
@@ -786,7 +783,6 @@
 ; GCN-O2-NEXT:    AMDGPU Remove Incompatible Functions
 ; GCN-O2-NEXT:    AMDGPU Printf lowering
 ; GCN-O2-NEXT:    Lower ctors and dtors for AMDGPU
-; GCN-O2-NEXT:    AMDGPU Lower Kernel Calls
 ; GCN-O2-NEXT:    FunctionPass Manager
 ; GCN-O2-NEXT:      AMDGPU Image Intrinsic Optimizer
 ; GCN-O2-NEXT:    Expand variadic functions
@@ -1107,7 +1103,6 @@
 ; GCN-O3-NEXT:    AMDGPU Remove Incompatible Functions
 ; GCN-O3-NEXT:    AMDGPU Printf lowering
 ; GCN-O3-NEXT:    Lower ctors and dtors for AMDGPU
-; GCN-O3-NEXT:    AMDGPU Lower Kernel Calls
 ; GCN-O3-NEXT:    FunctionPass Manager
 ; GCN-O3-NEXT:      AMDGPU Image Intrinsic Optimizer
 ; GCN-O3-NEXT:    Expand variadic functions