1 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=CI %s 2 3 ; The memory operand was dropped from the buffer_load_dword_offset 4 ; when replaced with the addr64 during operand legalization, resulting 5 ; in the global loads not being scheduled together. 6 7 ; GCN-LABEL: {{^}}reschedule_global_load_lds_store: 8 ; GCN: buffer_load_dword 9 ; GCN: buffer_load_dword 10 ; GCN: ds_write2_b32 11 ; GCN: s_endpgm 12 define amdgpu_kernel void @reschedule_global_load_lds_store(i32 addrspace(1)* noalias %gptr0, i32 addrspace(1)* noalias %gptr1, i32 addrspace(3)* noalias %lptr, i32 %c) #0 { 13 entry: 14 %tid = tail call i32 @llvm.amdgcn.workitem.id.x() #1 15 %idx = shl i32 %tid, 2 16 %gep0 = getelementptr i32, i32 addrspace(1)* %gptr0, i32 %idx 17 %gep1 = getelementptr i32, i32 addrspace(1)* %gptr1, i32 %idx 18 %gep2 = getelementptr i32, i32 addrspace(3)* %lptr, i32 %tid 19 %cmp0 = icmp eq i32 %c, 0 20 br i1 %cmp0, label %for.body, label %exit 21 22 for.body: ; preds = %for.body, %entry 23 %i = phi i32 [ 0, %entry ], [ %i.inc, %for.body ] 24 %gptr0.phi = phi i32 addrspace(1)* [ %gep0, %entry ], [ %gep0.inc, %for.body ] 25 %gptr1.phi = phi i32 addrspace(1)* [ %gep1, %entry ], [ %gep1.inc, %for.body ] 26 %lptr0.phi = phi i32 addrspace(3)* [ %gep2, %entry ], [ %gep2.inc, %for.body ] 27 %lptr1 = getelementptr i32, i32 addrspace(3)* %lptr0.phi, i32 2 28 %val0 = load i32, i32 addrspace(1)* %gep0 29 store i32 %val0, i32 addrspace(3)* %lptr0.phi 30 %val1 = load i32, i32 addrspace(1)* %gep1 31 store i32 %val1, i32 addrspace(3)* %lptr1 32 %gep0.inc = getelementptr i32, i32 addrspace(1)* %gptr0.phi, i32 4 33 %gep1.inc = getelementptr i32, i32 addrspace(1)* %gptr1.phi, i32 4 34 %gep2.inc = getelementptr i32, i32 addrspace(3)* %lptr0.phi, i32 4 35 %i.inc = add nsw i32 %i, 1 36 %cmp1 = icmp ne i32 %i, 256 37 br i1 %cmp1, label %for.body, label %exit 38 39 exit: ; preds = %for.body, %entry 40 ret void 41 } 42 43 ; Function Attrs: nounwind readnone 44 declare i32 @llvm.amdgcn.workitem.id.x() #1 45 46 attributes #0 = { nounwind } 47 attributes #1 = { nounwind readnone } 48 attributes #2 = { convergent nounwind } 49
