AMDGPU: Remove last AMDIL intrinsics

[• tstellarAMD]

LGTM.

[arsenm]

r275309

lib/Target/AMDGPU/AMDGPUISelLowering.cpp

 SDValue AMDGPUTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
     SelectionDAG &DAG) const {
   unsigned IntrinsicID = cast<ConstantSDNode>(Op.getOperand(0))->getZExtValue();
   SDLoc DL(Op);
   EVT VT = Op.getValueType();
 
   switch (IntrinsicID) {
     default: return Op;
-    case AMDGPUIntrinsic::AMDGPU_clamp:
-    case AMDGPUIntrinsic::AMDIL_clamp: // Legacy name.
+    case AMDGPUIntrinsic::AMDGPU_clamp: // Legacy name.
       return DAG.getNode(AMDGPUISD::CLAMP, DL, VT,
                          Op.getOperand(1), Op.getOperand(2), Op.getOperand(3));
 
     case Intrinsic::AMDGPU_ldexp: // Legacy name
       return DAG.getNode(AMDGPUISD::LDEXP, DL, VT, Op.getOperand(1),
                                                    Op.getOperand(2));
 
     case AMDGPUIntrinsic::AMDGPU_bfe_i32:
       return DAG.getNode(AMDGPUISD::BFE_I32, DL, VT,
                          Op.getOperand(1),
                          Op.getOperand(2),
                          Op.getOperand(3));
 
     case AMDGPUIntrinsic::AMDGPU_bfe_u32:
       return DAG.getNode(AMDGPUISD::BFE_U32, DL, VT,
                          Op.getOperand(1),
                          Op.getOperand(2),
                          Op.getOperand(3));
 
-    case AMDGPUIntrinsic::AMDIL_exp: // Legacy name.
-      return DAG.getNode(ISD::FEXP2, DL, VT, Op.getOperand(1));
-
     case AMDGPUIntrinsic::AMDGPU_brev: // Legacy name
       return DAG.getNode(ISD::BITREVERSE, DL, VT, Op.getOperand(1));
   }
 }
 
 /// \brief Generate Min/Max node
 SDValue AMDGPUTargetLowering::CombineFMinMaxLegacy(const SDLoc &DL, EVT VT,
                                                    SDValue LHS, SDValue RHS,

lib/Target/AMDGPU/AMDGPUIntrinsics.td

let TargetPrefix = "AMDGPU", isTarget = 1 in {
   // Deprecated in favor of llvm.amdgcn.s.barrier
   def int_AMDGPU_barrier_local  : Intrinsic<[], [], [IntrConvergent]>;
   def int_AMDGPU_barrier_global : Intrinsic<[], [], [IntrConvergent]>;
 
   // Deprecated in favor of llvm.amdgcn.read.workdim
   def int_AMDGPU_read_workdim : Intrinsic<[llvm_i32_ty], [], [IntrNoMem]>;
 }
 
-// Legacy names for compatibility.
-let TargetPrefix = "AMDIL", isTarget = 1 in {
-  def int_AMDIL_clamp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>;
-  def int_AMDIL_exp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>], [IntrNoMem]>;
-}
-
 include "SIIntrinsics.td"

test/CodeGen/AMDGPU/llvm.AMDGPU.clamp.ll

-; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -strict-whitespace -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -strict-whitespace -check-prefix=SI -check-prefix=FUNC %s
 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -strict-whitespace -check-prefix=SI -check-prefix=FUNC %s
 ; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
 declare float @llvm.fabs.f32(float) nounwind readnone
 declare float @llvm.AMDGPU.clamp.f32(float, float, float) nounwind readnone
-declare float @llvm.AMDIL.clamp.f32(float, float, float) nounwind readnone
 
 ; FUNC-LABEL: {{^}}clamp_0_1_f32:
 ; SI: s_load_dword [[ARG:s[0-9]+]],
 ; SI: v_add_f32_e64 [[RESULT:v[0-9]+]], 0, [[ARG]] clamp{{$}}
 ; SI: buffer_store_dword [[RESULT]]
 ; SI: s_endpgm
 
 ; EG: MOV_SAT

 ; SI: s_endpgm
 define void @clamp_fneg_fabs_0_1_f32(float addrspace(1)* %out, float %src) nounwind {
   %src.fabs = call float @llvm.fabs.f32(float %src) nounwind readnone
   %src.fneg.fabs = fsub float -0.0, %src.fabs
   %clamp = call float @llvm.AMDGPU.clamp.f32(float %src.fneg.fabs, float 0.0, float 1.0) nounwind readnone
   store float %clamp, float addrspace(1)* %out, align 4
   ret void
 }
-
-; FUNC-LABEL: {{^}}clamp_0_1_amdil_legacy_f32:
-; SI: s_load_dword [[ARG:s[0-9]+]],
-; SI: v_add_f32_e64 [[RESULT:v[0-9]+]], 0, [[ARG]] clamp{{$}}
-; SI: buffer_store_dword [[RESULT]]
-define void @clamp_0_1_amdil_legacy_f32(float addrspace(1)* %out, float %src) nounwind {
-  %clamp = call float @llvm.AMDIL.clamp.f32(float %src, float 0.0, float 1.0) nounwind readnone
-  store float %clamp, float addrspace(1)* %out, align 4
-  ret void
-}