; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3 ; RUN: llc -global-isel -mtriple=amdgcn-amd-amdpal -mcpu=gfx1010 -new-reg-bank-select < %s | FileCheck -check-prefix=GFX10 %s define void @temporal_divergent_i1_phi(float %val, ptr %addr) { ; GFX10-LABEL: temporal_divergent_i1_phi: ; GFX10: ; %bb.0: ; %entry ; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX10-NEXT: s_mov_b32 s4, 0 ; GFX10-NEXT: s_mov_b32 s5, 1 ; GFX10-NEXT: s_mov_b32 s6, 0 ; GFX10-NEXT: ; implicit-def: $sgpr7 ; GFX10-NEXT: .LBB0_1: ; %loop ; GFX10-NEXT: ; =>This Inner Loop Header: Depth=1 ; GFX10-NEXT: v_cvt_f32_u32_e32 v3, s6 ; GFX10-NEXT: s_and_b32 s8, s5, 1 ; GFX10-NEXT: s_cmp_lg_u32 s8, 0 ; GFX10-NEXT: s_cselect_b32 s8, exec_lo, 0 ; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v3, v0 ; GFX10-NEXT: s_xor_b32 s5, s5, 1 ; GFX10-NEXT: s_add_i32 s6, s6, 1 ; GFX10-NEXT: s_or_b32 s4, vcc_lo, s4 ; GFX10-NEXT: s_andn2_b32 s7, s7, exec_lo ; GFX10-NEXT: s_and_b32 s8, exec_lo, s8 ; GFX10-NEXT: s_or_b32 s7, s7, s8 ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s4 ; GFX10-NEXT: s_cbranch_execnz .LBB0_1 ; GFX10-NEXT: ; %bb.2: ; %exit ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s4 ; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1.0, s7 ; GFX10-NEXT: flat_store_dword v[1:2], v0 ; GFX10-NEXT: s_waitcnt lgkmcnt(0) ; GFX10-NEXT: s_setpc_b64 s[30:31] entry: br label %loop loop: %counter = phi i32 [ 0, %entry ], [ %counterPlus1, %loop ] %bool_counter = phi i1 [ true, %entry ], [ %neg_bool_counter, %loop ] %neg_bool_counter = xor i1 %bool_counter, true %fcounter = uitofp i32 %counter to float %cond = fcmp ogt float %fcounter, %val %counterPlus1 = add i32 %counter, 1 br i1 %cond, label %exit, label %loop exit: %select = select i1 %bool_counter, float 1.000000e+00, float 0.000000e+00 store float %select, ptr %addr ret void } define void @temporal_divergent_i1_non_phi(float %val, ptr %addr) { ; GFX10-LABEL: temporal_divergent_i1_non_phi: ; GFX10: ; %bb.0: ; %entry ; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX10-NEXT: s_mov_b32 s4, 0 ; GFX10-NEXT: s_mov_b32 s5, 1 ; GFX10-NEXT: s_mov_b32 s6, 0 ; GFX10-NEXT: ; implicit-def: $sgpr7 ; GFX10-NEXT: .LBB1_1: ; %loop ; GFX10-NEXT: ; =>This Inner Loop Header: Depth=1 ; GFX10-NEXT: v_cvt_f32_u32_e32 v3, s6 ; GFX10-NEXT: s_xor_b32 s5, s5, 1 ; GFX10-NEXT: s_and_b32 s8, s5, 1 ; GFX10-NEXT: s_cmp_lg_u32 s8, 0 ; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v3, v0 ; GFX10-NEXT: s_cselect_b32 s8, exec_lo, 0 ; GFX10-NEXT: s_add_i32 s6, s6, 1 ; GFX10-NEXT: s_or_b32 s4, vcc_lo, s4 ; GFX10-NEXT: s_andn2_b32 s7, s7, exec_lo ; GFX10-NEXT: s_and_b32 s8, exec_lo, s8 ; GFX10-NEXT: s_or_b32 s7, s7, s8 ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s4 ; GFX10-NEXT: s_cbranch_execnz .LBB1_1 ; GFX10-NEXT: ; %bb.2: ; %exit ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s4 ; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1.0, s7 ; GFX10-NEXT: flat_store_dword v[1:2], v0 ; GFX10-NEXT: s_waitcnt lgkmcnt(0) ; GFX10-NEXT: s_setpc_b64 s[30:31] entry: br label %loop loop: %counter = phi i32 [ 0, %entry ], [ %counterPlus1, %loop ] %bool_counter = phi i1 [ true, %entry ], [ %neg_bool_counter, %loop ] %neg_bool_counter = xor i1 %bool_counter, true %fcounter = uitofp i32 %counter to float %cond = fcmp ogt float %fcounter, %val %counterPlus1 = add i32 %counter, 1 br i1 %cond, label %exit, label %loop exit: %select = select i1 %neg_bool_counter, float 1.000000e+00, float 0.000000e+00 store float %select, ptr %addr ret void } ; This is temporal divergent uniform i1 structurize-cfg phi. ; Loop has uniform condition if with body with break at the end. define amdgpu_cs void @loop_with_1break(ptr addrspace(1) %x, i32 %x.size, ptr addrspace(1) inreg %a, ptr addrspace(1) inreg %a.break) { ; GFX10-LABEL: loop_with_1break: ; GFX10: ; %bb.0: ; %entry ; GFX10-NEXT: v_mov_b32_e32 v3, 0 ; GFX10-NEXT: s_mov_b32 s4, 0 ; GFX10-NEXT: s_mov_b32 s8, 0 ; GFX10-NEXT: ; implicit-def: $sgpr10 ; GFX10-NEXT: ; implicit-def: $sgpr9 ; GFX10-NEXT: s_branch .LBB2_3 ; GFX10-NEXT: .LBB2_1: ; %loop.body ; GFX10-NEXT: ; in Loop: Header=BB2_3 Depth=1 ; GFX10-NEXT: v_mov_b32_e32 v4, s6 ; GFX10-NEXT: v_mov_b32_e32 v5, s7 ; GFX10-NEXT: s_andn2_b32 s6, s10, exec_lo ; GFX10-NEXT: s_mov_b32 s5, 0 ; GFX10-NEXT: v_add_co_u32 v4, vcc_lo, v0, v4 ; GFX10-NEXT: v_add_co_ci_u32_e32 v5, vcc_lo, v1, v5, vcc_lo ; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s4, v2 ; GFX10-NEXT: s_add_i32 s4, s4, 1 ; GFX10-NEXT: global_load_dword v6, v[4:5], off ; GFX10-NEXT: s_and_b32 s7, exec_lo, vcc_lo ; GFX10-NEXT: s_or_b32 s10, s6, s7 ; GFX10-NEXT: s_waitcnt vmcnt(0) ; GFX10-NEXT: v_add_nc_u32_e32 v6, 1, v6 ; GFX10-NEXT: global_store_dword v[4:5], v6, off ; GFX10-NEXT: .LBB2_2: ; %Flow ; GFX10-NEXT: ; in Loop: Header=BB2_3 Depth=1 ; GFX10-NEXT: s_cmp_lg_u32 s5, 0 ; GFX10-NEXT: s_cselect_b32 s5, exec_lo, 0 ; GFX10-NEXT: s_and_b32 s6, exec_lo, s10 ; GFX10-NEXT: s_or_b32 s8, s6, s8 ; GFX10-NEXT: s_andn2_b32 s6, s9, exec_lo ; GFX10-NEXT: s_and_b32 s5, exec_lo, s5 ; GFX10-NEXT: s_or_b32 s9, s6, s5 ; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0) ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: s_cbranch_execz .LBB2_5 ; GFX10-NEXT: .LBB2_3: ; %A ; GFX10-NEXT: ; =>This Inner Loop Header: Depth=1 ; GFX10-NEXT: s_ashr_i32 s5, s4, 31 ; GFX10-NEXT: s_lshl_b64 s[6:7], s[4:5], 2 ; GFX10-NEXT: s_add_u32 s12, s0, s6 ; GFX10-NEXT: s_addc_u32 s13, s1, s7 ; GFX10-NEXT: global_load_dword v4, v3, s[12:13] ; GFX10-NEXT: s_waitcnt vmcnt(0) ; GFX10-NEXT: v_readfirstlane_b32 s5, v4 ; GFX10-NEXT: s_cmp_lg_u32 s5, 0 ; GFX10-NEXT: s_cselect_b32 s5, 1, 0 ; GFX10-NEXT: s_andn2_b32 s10, s10, exec_lo ; GFX10-NEXT: s_and_b32 s11, exec_lo, exec_lo ; GFX10-NEXT: s_or_b32 s10, s10, s11 ; GFX10-NEXT: s_cmp_lg_u32 s5, 0 ; GFX10-NEXT: s_cbranch_scc1 .LBB2_1 ; GFX10-NEXT: ; %bb.4: ; in Loop: Header=BB2_3 Depth=1 ; GFX10-NEXT: s_mov_b32 s5, 1 ; GFX10-NEXT: ; implicit-def: $sgpr4 ; GFX10-NEXT: s_branch .LBB2_2 ; GFX10-NEXT: .LBB2_5: ; %loop.exit.guard ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: s_and_saveexec_b32 s0, s9 ; GFX10-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX10-NEXT: s_cbranch_execz .LBB2_7 ; GFX10-NEXT: ; %bb.6: ; %break.body ; GFX10-NEXT: v_mov_b32_e32 v0, 10 ; GFX10-NEXT: v_mov_b32_e32 v1, 0 ; GFX10-NEXT: global_store_dword v1, v0, s[2:3] ; GFX10-NEXT: .LBB2_7: ; %exit ; GFX10-NEXT: s_endpgm entry: br label %A A: %counter = phi i32 [ %counter.plus.1, %loop.body ], [ 0, %entry ] %a.plus.counter = getelementptr inbounds i32, ptr addrspace(1) %a, i32 %counter %a.val = load i32, ptr addrspace(1) %a.plus.counter %a.cond = icmp eq i32 %a.val, 0 br i1 %a.cond, label %break.body, label %loop.body break.body: store i32 10, ptr addrspace(1) %a.break br label %exit loop.body: %x.plus.counter = getelementptr inbounds i32, ptr addrspace(1) %x, i32 %counter %x.val = load i32, ptr addrspace(1) %x.plus.counter %x.val.plus.1 = add i32 %x.val, 1 store i32 %x.val.plus.1, ptr addrspace(1) %x.plus.counter %counter.plus.1 = add i32 %counter, 1 %x.cond = icmp ult i32 %counter, %x.size br i1 %x.cond, label %exit, label %A exit: ret void } ; Temporal divergence i1 across inner and outer nested loops define void @nested_loops_temporal_divergence_inner(float %pre.cond.val, i32 %n.i, ptr %mat, ptr %mat.oe, ptr %arr) { ; GFX10-LABEL: nested_loops_temporal_divergence_inner: ; GFX10: ; %bb.0: ; %entry ; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX10-NEXT: v_cmp_lt_f32_e64 s5, 1.0, v0 ; GFX10-NEXT: s_mov_b32 s6, 0 ; GFX10-NEXT: s_mov_b32 s8, 0 ; GFX10-NEXT: .LBB3_1: ; %OuterHeader ; GFX10-NEXT: ; =>This Loop Header: Depth=1 ; GFX10-NEXT: ; Child Loop BB3_2 Depth 2 ; GFX10-NEXT: s_ashr_i32 s7, s6, 31 ; GFX10-NEXT: s_mov_b32 s4, s5 ; GFX10-NEXT: s_lshl_b64 s[10:11], s[6:7], 2 ; GFX10-NEXT: ; implicit-def: $sgpr9 ; GFX10-NEXT: v_mov_b32_e32 v6, s10 ; GFX10-NEXT: v_mov_b32_e32 v7, s11 ; GFX10-NEXT: s_mov_b32 s10, 0 ; GFX10-NEXT: s_mov_b32 s11, 0 ; GFX10-NEXT: v_add_co_u32 v6, vcc_lo, v2, v6 ; GFX10-NEXT: v_add_co_ci_u32_e32 v7, vcc_lo, v3, v7, vcc_lo ; GFX10-NEXT: flat_load_dword v0, v[6:7] ; GFX10-NEXT: .LBB3_2: ; %InnerHeader ; GFX10-NEXT: ; Parent Loop BB3_1 Depth=1 ; GFX10-NEXT: ; => This Inner Loop Header: Depth=2 ; GFX10-NEXT: v_cvt_f32_u32_e32 v6, s11 ; GFX10-NEXT: s_mov_b32 s12, exec_lo ; GFX10-NEXT: s_add_i32 s11, s11, 1 ; GFX10-NEXT: s_xor_b32 s4, s4, s12 ; GFX10-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) ; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v6, v0 ; GFX10-NEXT: s_or_b32 s10, vcc_lo, s10 ; GFX10-NEXT: s_andn2_b32 s9, s9, exec_lo ; GFX10-NEXT: s_and_b32 s12, exec_lo, s4 ; GFX10-NEXT: s_or_b32 s9, s9, s12 ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s10 ; GFX10-NEXT: s_cbranch_execnz .LBB3_2 ; GFX10-NEXT: ; %bb.3: ; %UseInst ; GFX10-NEXT: ; in Loop: Header=BB3_1 Depth=1 ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s10 ; GFX10-NEXT: v_mov_b32_e32 v6, s6 ; GFX10-NEXT: v_mov_b32_e32 v7, s7 ; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s6, v1 ; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1, s9 ; GFX10-NEXT: s_add_i32 s6, s6, 1 ; GFX10-NEXT: v_add_co_u32 v6, s4, v4, v6 ; GFX10-NEXT: v_add_co_ci_u32_e64 v7, s4, v5, v7, s4 ; GFX10-NEXT: s_or_b32 s8, vcc_lo, s8 ; GFX10-NEXT: flat_store_byte v[6:7], v0 ; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0) ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: s_cbranch_execnz .LBB3_1 ; GFX10-NEXT: ; %bb.4: ; %exit ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: s_waitcnt lgkmcnt(0) ; GFX10-NEXT: s_setpc_b64 s[30:31] entry: %pre.cond = fcmp ogt float %pre.cond.val, 1.0 br label %OuterHeader OuterHeader: %i = phi i32 [ 0, %entry ], [ %i.plus.1, %OuterLatch ] %mat.i = getelementptr float, ptr %mat, i32 %i %val.i = load float, ptr %mat.i br label %InnerHeader InnerHeader: %j = phi i32 [ 0, %OuterHeader ], [ %j.plus.1, %InnerHeader ] %bool.counter = phi i1 [ %pre.cond, %OuterHeader ], [ %odd.even.counter, %InnerHeader ] %odd.even.counter = xor i1 %bool.counter, true %f.j = uitofp i32 %j to float %j.plus.1 = add i32 %j, 1 %cond.j = fcmp ogt float %f.j, %val.i br i1 %cond.j, label %UseInst, label %InnerHeader UseInst: %mat.oe.i = getelementptr i1, ptr %mat.oe, i32 %i ; mat.oe[i] = oddOReven(mat[i]) store i1 %odd.even.counter, ptr %mat.oe.i br label %OuterLatch OuterLatch: %cond.i = icmp ult i32 %i, %n.i %i.plus.1 = add i32 %i, 1 br i1 %cond.i, label %exit, label %OuterHeader exit: ret void } define void @nested_loops_temporal_divergence_outer(float %pre.cond.val, i32 %n.i, ptr %mat, ptr %mat.oe, ptr %arr) { ; GFX10-LABEL: nested_loops_temporal_divergence_outer: ; GFX10: ; %bb.0: ; %entry ; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX10-NEXT: v_cmp_lt_f32_e64 s5, 1.0, v0 ; GFX10-NEXT: s_mov_b32 s6, 0 ; GFX10-NEXT: s_mov_b32 s8, 0 ; GFX10-NEXT: .LBB4_1: ; %OuterHeader ; GFX10-NEXT: ; =>This Loop Header: Depth=1 ; GFX10-NEXT: ; Child Loop BB4_2 Depth 2 ; GFX10-NEXT: s_ashr_i32 s7, s6, 31 ; GFX10-NEXT: s_mov_b32 s4, s5 ; GFX10-NEXT: s_lshl_b64 s[10:11], s[6:7], 2 ; GFX10-NEXT: ; implicit-def: $sgpr9 ; GFX10-NEXT: v_mov_b32_e32 v6, s10 ; GFX10-NEXT: v_mov_b32_e32 v7, s11 ; GFX10-NEXT: s_mov_b32 s10, 0 ; GFX10-NEXT: s_mov_b32 s11, 0 ; GFX10-NEXT: v_add_co_u32 v6, vcc_lo, v2, v6 ; GFX10-NEXT: v_add_co_ci_u32_e32 v7, vcc_lo, v3, v7, vcc_lo ; GFX10-NEXT: flat_load_dword v0, v[6:7] ; GFX10-NEXT: .LBB4_2: ; %InnerHeader ; GFX10-NEXT: ; Parent Loop BB4_1 Depth=1 ; GFX10-NEXT: ; => This Inner Loop Header: Depth=2 ; GFX10-NEXT: v_cvt_f32_u32_e32 v6, s11 ; GFX10-NEXT: s_mov_b32 s12, exec_lo ; GFX10-NEXT: s_add_i32 s11, s11, 1 ; GFX10-NEXT: s_xor_b32 s4, s4, s12 ; GFX10-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) ; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v6, v0 ; GFX10-NEXT: s_or_b32 s10, vcc_lo, s10 ; GFX10-NEXT: s_andn2_b32 s9, s9, exec_lo ; GFX10-NEXT: s_and_b32 s12, exec_lo, s4 ; GFX10-NEXT: s_or_b32 s9, s9, s12 ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s10 ; GFX10-NEXT: s_cbranch_execnz .LBB4_2 ; GFX10-NEXT: ; %bb.3: ; %UseInst ; GFX10-NEXT: ; in Loop: Header=BB4_1 Depth=1 ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s10 ; GFX10-NEXT: v_mov_b32_e32 v6, s6 ; GFX10-NEXT: v_mov_b32_e32 v7, s7 ; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s6, v1 ; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1, s9 ; GFX10-NEXT: s_add_i32 s6, s6, 1 ; GFX10-NEXT: v_add_co_u32 v6, s4, v4, v6 ; GFX10-NEXT: v_add_co_ci_u32_e64 v7, s4, v5, v7, s4 ; GFX10-NEXT: s_or_b32 s8, vcc_lo, s8 ; GFX10-NEXT: flat_store_byte v[6:7], v0 ; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0) ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: s_cbranch_execnz .LBB4_1 ; GFX10-NEXT: ; %bb.4: ; %exit ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: s_waitcnt lgkmcnt(0) ; GFX10-NEXT: s_setpc_b64 s[30:31] entry: %pre.cond = fcmp ogt float %pre.cond.val, 1.0 br label %OuterHeader OuterHeader: %i = phi i32 [ 0, %entry ], [ %i.plus.1, %OuterLatch ] %mat.i = getelementptr float, ptr %mat, i32 %i %val.i = load float, ptr %mat.i br label %InnerHeader InnerHeader: %j = phi i32 [ 0, %OuterHeader ], [ %j.plus.1, %InnerHeader ] %bool.counter = phi i1 [ %pre.cond, %OuterHeader ], [ %odd.even.counter, %InnerHeader ] %odd.even.counter = xor i1 %bool.counter, true %f.j = uitofp i32 %j to float %j.plus.1 = add i32 %j, 1 %cond.j = fcmp ogt float %f.j, %val.i br i1 %cond.j, label %UseInst, label %InnerHeader UseInst: %mat.oe.i = getelementptr i1, ptr %mat.oe, i32 %i ; mat.oe[i] = oddOReven(mat[i]) store i1 %odd.even.counter, ptr %mat.oe.i br label %OuterLatch OuterLatch: %cond.i = icmp ult i32 %i, %n.i %i.plus.1 = add i32 %i, 1 br i1 %cond.i, label %exit, label %OuterHeader exit: ret void } define void @nested_loops_temporal_divergence_both(float %pre.cond.val, i32 %n.i, ptr %mat, ptr %mat.oe, ptr %arr) { ; GFX10-LABEL: nested_loops_temporal_divergence_both: ; GFX10: ; %bb.0: ; %entry ; GFX10-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX10-NEXT: v_cmp_lt_f32_e64 s5, 1.0, v0 ; GFX10-NEXT: s_mov_b32 s6, 0 ; GFX10-NEXT: s_mov_b32 s8, 0 ; GFX10-NEXT: ; implicit-def: $sgpr9 ; GFX10-NEXT: .LBB5_1: ; %OuterHeader ; GFX10-NEXT: ; =>This Loop Header: Depth=1 ; GFX10-NEXT: ; Child Loop BB5_2 Depth 2 ; GFX10-NEXT: s_ashr_i32 s7, s6, 31 ; GFX10-NEXT: s_mov_b32 s4, s5 ; GFX10-NEXT: s_lshl_b64 s[10:11], s[6:7], 2 ; GFX10-NEXT: v_mov_b32_e32 v8, s10 ; GFX10-NEXT: v_mov_b32_e32 v9, s11 ; GFX10-NEXT: s_mov_b32 s10, 0 ; GFX10-NEXT: s_mov_b32 s11, 0 ; GFX10-NEXT: v_add_co_u32 v8, vcc_lo, v2, v8 ; GFX10-NEXT: v_add_co_ci_u32_e32 v9, vcc_lo, v3, v9, vcc_lo ; GFX10-NEXT: flat_load_dword v0, v[8:9] ; GFX10-NEXT: .LBB5_2: ; %InnerHeader ; GFX10-NEXT: ; Parent Loop BB5_1 Depth=1 ; GFX10-NEXT: ; => This Inner Loop Header: Depth=2 ; GFX10-NEXT: v_cvt_f32_u32_e32 v8, s11 ; GFX10-NEXT: s_mov_b32 s12, exec_lo ; GFX10-NEXT: s_add_i32 s11, s11, 1 ; GFX10-NEXT: s_xor_b32 s4, s4, s12 ; GFX10-NEXT: s_waitcnt vmcnt(0) lgkmcnt(0) ; GFX10-NEXT: v_cmp_gt_f32_e32 vcc_lo, v8, v0 ; GFX10-NEXT: s_or_b32 s10, vcc_lo, s10 ; GFX10-NEXT: s_andn2_b32 s9, s9, exec_lo ; GFX10-NEXT: s_and_b32 s12, exec_lo, s4 ; GFX10-NEXT: s_or_b32 s9, s9, s12 ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s10 ; GFX10-NEXT: s_cbranch_execnz .LBB5_2 ; GFX10-NEXT: ; %bb.3: ; %UseInst ; GFX10-NEXT: ; in Loop: Header=BB5_1 Depth=1 ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s10 ; GFX10-NEXT: v_mov_b32_e32 v9, s7 ; GFX10-NEXT: v_mov_b32_e32 v8, s6 ; GFX10-NEXT: v_cmp_lt_u32_e32 vcc_lo, s6, v1 ; GFX10-NEXT: v_cndmask_b32_e64 v0, 0, 1, s9 ; GFX10-NEXT: s_add_i32 s6, s6, 1 ; GFX10-NEXT: v_add_co_u32 v8, s4, v4, v8 ; GFX10-NEXT: v_add_co_ci_u32_e64 v9, s4, v5, v9, s4 ; GFX10-NEXT: s_or_b32 s8, vcc_lo, s8 ; GFX10-NEXT: flat_store_byte v[8:9], v0 ; GFX10-NEXT: s_waitcnt_depctr depctr_vm_vsrc(0) ; GFX10-NEXT: s_andn2_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: s_cbranch_execnz .LBB5_1 ; GFX10-NEXT: ; %bb.4: ; %exit ; GFX10-NEXT: s_or_b32 exec_lo, exec_lo, s8 ; GFX10-NEXT: flat_store_byte v[6:7], v0 ; GFX10-NEXT: s_waitcnt lgkmcnt(0) ; GFX10-NEXT: s_setpc_b64 s[30:31] entry: %pre.cond = fcmp ogt float %pre.cond.val, 1.0 br label %OuterHeader OuterHeader: %i = phi i32 [ 0, %entry ], [ %i.plus.1, %OuterLatch ] %mat.i = getelementptr float, ptr %mat, i32 %i %val.i = load float, ptr %mat.i br label %InnerHeader InnerHeader: %j = phi i32 [ 0, %OuterHeader ], [ %j.plus.1, %InnerHeader ] %bool.counter = phi i1 [ %pre.cond, %OuterHeader ], [ %odd.even.counter, %InnerHeader ] %odd.even.counter = xor i1 %bool.counter, true %f.j = uitofp i32 %j to float %j.plus.1 = add i32 %j, 1 %cond.j = fcmp ogt float %f.j, %val.i br i1 %cond.j, label %UseInst, label %InnerHeader UseInst: %mat.oe.i = getelementptr i1, ptr %mat.oe, i32 %i ; mat.oe[i] = oddOReven(mat[i]) store i1 %odd.even.counter, ptr %mat.oe.i br label %OuterLatch OuterLatch: %cond.i = icmp ult i32 %i, %n.i %i.plus.1 = add i32 %i, 1 br i1 %cond.i, label %exit, label %OuterHeader exit: ; arr = oddOReven(mat[n.i - 1]) store i1 %odd.even.counter, ptr %arr ret void }