[AMDGPU] Assembler: rename amd_kernel_code_t asm names according to spec

Summary:
Also removed duplicate code from AMDGPUTargetAsmStreamer.
This change only change how amd_kernel_code_t is parsed and printed. No variable names are changed.

Reviewers: vpykhtin, tstellarAMD

Subscribers: arsenm, wdng, nhaehnle

Differential Revision: https://reviews.llvm.org/D24296

llvm-svn: 281028
diff --git a/llvm/test/CodeGen/AMDGPU/large-alloca-compute.ll b/llvm/test/CodeGen/AMDGPU/large-alloca-compute.ll
index 099f063..4f6dbf9 100644
--- a/llvm/test/CodeGen/AMDGPU/large-alloca-compute.ll
+++ b/llvm/test/CodeGen/AMDGPU/large-alloca-compute.ll
@@ -18,13 +18,13 @@
 
 ; GCNHSA: .amd_kernel_code_t
 
-; GCNHSA: compute_pgm_rsrc2_scratch_en = 1
-; GCNHSA: compute_pgm_rsrc2_user_sgpr = 8
-; GCNHSA: compute_pgm_rsrc2_tgid_x_en = 1
-; GCNHSA: compute_pgm_rsrc2_tgid_y_en = 0
-; GCNHSA: compute_pgm_rsrc2_tgid_z_en = 0
-; GCNHSA: compute_pgm_rsrc2_tg_size_en = 0
-; GCNHSA: compute_pgm_rsrc2_tidig_comp_cnt = 0
+; GCNHSA: enable_sgpr_private_segment_wave_byte_offset = 1
+; GCNHSA: user_sgpr_count = 8
+; GCNHSA: enable_sgpr_workgroup_id_x = 1
+; GCNHSA: enable_sgpr_workgroup_id_y = 0
+; GCNHSA: enable_sgpr_workgroup_id_z = 0
+; GCNHSA: enable_sgpr_workgroup_info = 0
+; GCNHSA: enable_vgpr_workitem_id = 0
 
 ; GCNHSA: enable_sgpr_private_segment_buffer = 1
 ; GCNHSA: enable_sgpr_dispatch_ptr = 0