|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 | 
|  | ; RUN: opt -S -passes='require<profile-summary>,function(codegenprepare)' -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 < %s | FileCheck -check-prefix=OPT %s | 
|  | ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 < %s | FileCheck -check-prefix=GCN %s | 
|  |  | 
|  | ; Make sure we match the addressing mode offset of csub intrinsics across blocks. | 
|  |  | 
|  | define amdgpu_kernel void @test_sink_small_offset_global_atomic_csub_i32(ptr addrspace(1) %out, ptr addrspace(1) %in) { | 
|  | ; OPT-LABEL: @test_sink_small_offset_global_atomic_csub_i32( | 
|  | ; OPT-NEXT:  entry: | 
|  | ; OPT-NEXT:    [[TID:%.*]] = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #[[ATTR3:[0-9]+]] | 
|  | ; OPT-NEXT:    [[CMP:%.*]] = icmp eq i32 [[TID]], 0 | 
|  | ; OPT-NEXT:    br i1 [[CMP]], label [[ENDIF:%.*]], label [[IF:%.*]] | 
|  | ; OPT:       if: | 
|  | ; OPT-NEXT:    [[IN_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[IN:%.*]], i32 7 | 
|  | ; OPT-NEXT:    [[VAL:%.*]] = call i32 @llvm.amdgcn.global.atomic.csub.p1(ptr addrspace(1) [[IN_GEP]], i32 2) | 
|  | ; OPT-NEXT:    br label [[ENDIF]] | 
|  | ; OPT:       endif: | 
|  | ; OPT-NEXT:    [[X:%.*]] = phi i32 [ [[VAL]], [[IF]] ], [ 0, [[ENTRY:%.*]] ] | 
|  | ; OPT-NEXT:    [[OUT_GEP:%.*]] = getelementptr i32, ptr addrspace(1) [[OUT:%.*]], i32 999999 | 
|  | ; OPT-NEXT:    store i32 [[X]], ptr addrspace(1) [[OUT_GEP]], align 4 | 
|  | ; OPT-NEXT:    br label [[DONE:%.*]] | 
|  | ; OPT:       done: | 
|  | ; OPT-NEXT:    ret void | 
|  | ; | 
|  | ; GCN-LABEL: test_sink_small_offset_global_atomic_csub_i32: | 
|  | ; GCN:       ; %bb.0: ; %entry | 
|  | ; GCN-NEXT:    s_load_dwordx4 s[0:3], s[8:9], 0x0 | 
|  | ; GCN-NEXT:    v_mbcnt_lo_u32_b32 v1, -1, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v0, 0 | 
|  | ; GCN-NEXT:    s_mov_b32 s4, exec_lo | 
|  | ; GCN-NEXT:    v_cmpx_ne_u32_e32 0, v1 | 
|  | ; GCN-NEXT:    s_cbranch_execz .LBB0_2 | 
|  | ; GCN-NEXT:  ; %bb.1: ; %if | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v0, 0 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v1, 2 | 
|  | ; GCN-NEXT:    s_waitcnt lgkmcnt(0) | 
|  | ; GCN-NEXT:    global_atomic_csub v0, v0, v1, s[2:3] offset:28 glc | 
|  | ; GCN-NEXT:  .LBB0_2: ; %endif | 
|  | ; GCN-NEXT:    s_or_b32 exec_lo, exec_lo, s4 | 
|  | ; GCN-NEXT:    v_mov_b32_e32 v1, 0x3d0800 | 
|  | ; GCN-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0) | 
|  | ; GCN-NEXT:    global_store_dword v1, v0, s[0:1] offset:252 | 
|  | ; GCN-NEXT:    s_endpgm | 
|  | entry: | 
|  | %tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0 | 
|  | %cmp = icmp eq i32 %tid, 0 | 
|  | br i1 %cmp, label %endif, label %if | 
|  |  | 
|  | if: | 
|  | %in.gep = getelementptr i32, ptr addrspace(1) %in, i32 7 | 
|  | %val = call i32 @llvm.amdgcn.global.atomic.csub.p1(ptr addrspace(1) %in.gep, i32 2) | 
|  | br label %endif | 
|  |  | 
|  | endif: | 
|  | %x = phi i32 [ %val, %if ], [ 0, %entry ] | 
|  | %out.gep = getelementptr i32, ptr addrspace(1) %out, i32 999999 | 
|  | store i32 %x, ptr addrspace(1) %out.gep | 
|  | br label %done | 
|  |  | 
|  | done: | 
|  | ret void | 
|  | } | 
|  |  | 
|  | declare i32 @llvm.amdgcn.global.atomic.csub.p1(ptr addrspace(1) nocapture, i32) #0 | 
|  | declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #1 | 
|  |  | 
|  | attributes #0 = { argmemonly nounwind } | 
|  | attributes #1 = { nounwind readnone willreturn } | 
|  | attributes #2 = { argmemonly nounwind willreturn } |