; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=amdgcn -mcpu=verde -amdgpu-early-ifcvt=0 -machine-sink-split-probability-threshold=0 -structurizecfg-skip-uniform-regions -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=SI %s ; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global -amdgpu-early-ifcvt=0 -machine-sink-split-probability-threshold=0 -structurizecfg-skip-uniform-regions -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=VI %s define amdgpu_kernel void @uniform_if_scc(i32 %cond, ptr addrspace(1) %out) { ; SI-LABEL: uniform_if_scc: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s2, s[0:1], 0x9 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_eq_u32 s2, 0 ; SI-NEXT: s_mov_b32 s2, 0 ; SI-NEXT: s_cbranch_scc1 .LBB0_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s2, 1 ; SI-NEXT: .LBB0_2: ; %done ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0xb ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_mov_b32_e32 v0, s2 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_scc: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s2, s[0:1], 0x24 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_eq_u32 s2, 0 ; VI-NEXT: s_mov_b32 s2, 0 ; VI-NEXT: s_cbranch_scc1 .LBB0_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s2, 1 ; VI-NEXT: .LBB0_2: ; %done ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x2c ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, s2 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp0 = icmp eq i32 %cond, 0 br i1 %cmp0, label %if, label %else if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } define amdgpu_kernel void @uniform_if_vcc(float %cond, ptr addrspace(1) %out) { ; SI-LABEL: uniform_if_vcc: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s3, s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s2, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_cmp_eq_f32_e64 s[4:5], s3, 0 ; SI-NEXT: s_and_b64 vcc, exec, s[4:5] ; SI-NEXT: s_cbranch_vccnz .LBB1_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s2, 1 ; SI-NEXT: .LBB1_2: ; %done ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0xb ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_mov_b32_e32 v0, s2 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_vcc: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s3, s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s2, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: v_cmp_eq_f32_e64 s[4:5], s3, 0 ; VI-NEXT: s_and_b64 vcc, exec, s[4:5] ; VI-NEXT: s_cbranch_vccnz .LBB1_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s2, 1 ; VI-NEXT: .LBB1_2: ; %done ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x2c ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, s2 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp0 = fcmp oeq float %cond, 0.0 br i1 %cmp0, label %if, label %else if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } define amdgpu_kernel void @uniform_if_swap_br_targets_scc(i32 %cond, ptr addrspace(1) %out) { ; SI-LABEL: uniform_if_swap_br_targets_scc: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s2, s[0:1], 0x9 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s2, 0 ; SI-NEXT: s_mov_b32 s2, 0 ; SI-NEXT: s_cbranch_scc1 .LBB2_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s2, 1 ; SI-NEXT: .LBB2_2: ; %done ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0xb ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_mov_b32_e32 v0, s2 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_swap_br_targets_scc: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s2, s[0:1], 0x24 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s2, 0 ; VI-NEXT: s_mov_b32 s2, 0 ; VI-NEXT: s_cbranch_scc1 .LBB2_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s2, 1 ; VI-NEXT: .LBB2_2: ; %done ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x2c ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, s2 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp0 = icmp eq i32 %cond, 0 br i1 %cmp0, label %else, label %if if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } define amdgpu_kernel void @uniform_if_swap_br_targets_vcc(float %cond, ptr addrspace(1) %out) { ; SI-LABEL: uniform_if_swap_br_targets_vcc: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s3, s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s2, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_cmp_neq_f32_e64 s[4:5], s3, 0 ; SI-NEXT: s_and_b64 vcc, exec, s[4:5] ; SI-NEXT: s_cbranch_vccnz .LBB3_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s2, 1 ; SI-NEXT: .LBB3_2: ; %done ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0xb ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_mov_b32_e32 v0, s2 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_swap_br_targets_vcc: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s3, s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s2, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: v_cmp_neq_f32_e64 s[4:5], s3, 0 ; VI-NEXT: s_and_b64 vcc, exec, s[4:5] ; VI-NEXT: s_cbranch_vccnz .LBB3_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s2, 1 ; VI-NEXT: .LBB3_2: ; %done ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x2c ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, s2 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp0 = fcmp oeq float %cond, 0.0 br i1 %cmp0, label %else, label %if if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } ; Using a floating-point value in an integer compare will cause the compare to ; be selected for the SALU and then later moved to the VALU. define amdgpu_kernel void @uniform_if_move_valu(ptr addrspace(1) %out, float %a) { ; SI-LABEL: uniform_if_move_valu: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s2, s[0:1], 0xb ; SI-NEXT: v_mov_b32_e32 v0, 0x41200000 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_add_f32_e32 v0, s2, v0 ; SI-NEXT: v_cmp_ne_u32_e32 vcc, 5, v0 ; SI-NEXT: s_cbranch_vccnz .LBB4_2 ; SI-NEXT: ; %bb.1: ; %if ; SI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s3, 0xf000 ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: v_mov_b32_e32 v0, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: .LBB4_2: ; %endif ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_move_valu: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s2, s[0:1], 0x2c ; VI-NEXT: v_mov_b32_e32 v0, 0x41200000 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: v_add_f32_e32 v0, s2, v0 ; VI-NEXT: v_cmp_ne_u32_e32 vcc, 5, v0 ; VI-NEXT: s_cbranch_vccnz .LBB4_2 ; VI-NEXT: ; %bb.1: ; %if ; VI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s3, 0xf000 ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: v_mov_b32_e32 v0, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: .LBB4_2: ; %endif ; VI-NEXT: s_endpgm entry: %a.0 = fadd float %a, 10.0 %cond = bitcast float %a.0 to i32 %cmp = icmp eq i32 %cond, 5 br i1 %cmp, label %if, label %endif if: store i32 0, ptr addrspace(1) %out br label %endif endif: ret void } ; Using a floating-point value in an integer compare will cause the compare to ; be selected for the SALU and then later moved to the VALU. define amdgpu_kernel void @uniform_if_move_valu_commute(ptr addrspace(1) %out, float %a) { ; SI-LABEL: uniform_if_move_valu_commute: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s2, s[0:1], 0xb ; SI-NEXT: v_mov_b32_e32 v0, 0x41200000 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_add_f32_e32 v0, s2, v0 ; SI-NEXT: v_cmp_gt_u32_e32 vcc, 6, v0 ; SI-NEXT: s_cbranch_vccnz .LBB5_2 ; SI-NEXT: ; %bb.1: ; %if ; SI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s3, 0xf000 ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: v_mov_b32_e32 v0, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: .LBB5_2: ; %endif ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_move_valu_commute: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s2, s[0:1], 0x2c ; VI-NEXT: v_mov_b32_e32 v0, 0x41200000 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: v_add_f32_e32 v0, s2, v0 ; VI-NEXT: v_cmp_gt_u32_e32 vcc, 6, v0 ; VI-NEXT: s_cbranch_vccnz .LBB5_2 ; VI-NEXT: ; %bb.1: ; %if ; VI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s3, 0xf000 ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: v_mov_b32_e32 v0, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: .LBB5_2: ; %endif ; VI-NEXT: s_endpgm entry: %a.0 = fadd float %a, 10.0 %cond = bitcast float %a.0 to i32 %cmp = icmp ugt i32 %cond, 5 br i1 %cmp, label %if, label %endif if: store i32 0, ptr addrspace(1) %out br label %endif endif: ret void } define amdgpu_kernel void @uniform_if_else_ret(ptr addrspace(1) nocapture %out, i32 %a) { ; SI-LABEL: uniform_if_else_ret: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s2, s[0:1], 0xb ; SI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s3, 0xf000 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s2, 0 ; SI-NEXT: s_cbranch_scc0 .LBB6_2 ; SI-NEXT: ; %bb.1: ; %if.else ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: v_mov_b32_e32 v0, 2 ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: s_endpgm ; SI-NEXT: .LBB6_2: ; %if.then ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: v_mov_b32_e32 v0, 1 ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_else_ret: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s2, s[0:1], 0x2c ; VI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s3, 0xf000 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s2, 0 ; VI-NEXT: s_cbranch_scc0 .LBB6_2 ; VI-NEXT: ; %bb.1: ; %if.else ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: v_mov_b32_e32 v0, 2 ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: s_endpgm ; VI-NEXT: .LBB6_2: ; %if.then ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: v_mov_b32_e32 v0, 1 ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: s_endpgm entry: %cmp = icmp eq i32 %a, 0 br i1 %cmp, label %if.then, label %if.else if.then: ; preds = %entry store i32 1, ptr addrspace(1) %out br label %if.end if.else: ; preds = %entry store i32 2, ptr addrspace(1) %out br label %if.end if.end: ; preds = %if.else, %if.then ret void } define amdgpu_kernel void @uniform_if_else(ptr addrspace(1) nocapture %out0, ptr addrspace(1) nocapture %out1, i32 %a) { ; SI-LABEL: uniform_if_else: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s4, s[0:1], 0xd ; SI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s4, 0 ; SI-NEXT: s_cbranch_scc0 .LBB7_2 ; SI-NEXT: ; %bb.1: ; %if.else ; SI-NEXT: s_mov_b32 s4, s0 ; SI-NEXT: s_mov_b32 s5, s1 ; SI-NEXT: v_mov_b32_e32 v0, 2 ; SI-NEXT: s_branch .LBB7_3 ; SI-NEXT: .LBB7_2: ; %if.then ; SI-NEXT: s_mov_b32 s4, s0 ; SI-NEXT: s_mov_b32 s5, s1 ; SI-NEXT: v_mov_b32_e32 v0, 1 ; SI-NEXT: .LBB7_3: ; %if.end ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_mov_b32 s4, s2 ; SI-NEXT: s_mov_b32 s5, s3 ; SI-NEXT: s_waitcnt expcnt(0) ; SI-NEXT: v_mov_b32_e32 v0, 3 ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_else: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s4, s[0:1], 0x34 ; VI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s4, 0 ; VI-NEXT: s_cbranch_scc0 .LBB7_2 ; VI-NEXT: ; %bb.1: ; %if.else ; VI-NEXT: s_mov_b32 s4, s0 ; VI-NEXT: s_mov_b32 s5, s1 ; VI-NEXT: v_mov_b32_e32 v0, 2 ; VI-NEXT: s_branch .LBB7_3 ; VI-NEXT: .LBB7_2: ; %if.then ; VI-NEXT: s_mov_b32 s4, s0 ; VI-NEXT: s_mov_b32 s5, s1 ; VI-NEXT: v_mov_b32_e32 v0, 1 ; VI-NEXT: .LBB7_3: ; %if.end ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_mov_b32 s4, s2 ; VI-NEXT: s_mov_b32 s5, s3 ; VI-NEXT: v_mov_b32_e32 v0, 3 ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp = icmp eq i32 %a, 0 br i1 %cmp, label %if.then, label %if.else if.then: ; preds = %entry store i32 1, ptr addrspace(1) %out0 br label %if.end if.else: ; preds = %entry store i32 2, ptr addrspace(1) %out0 br label %if.end if.end: ; preds = %if.else, %if.then store i32 3, ptr addrspace(1) %out1 ret void } define amdgpu_kernel void @icmp_2_users(ptr addrspace(1) %out, i32 %cond) { ; SI-LABEL: icmp_2_users: ; SI: ; %bb.0: ; %main_body ; SI-NEXT: s_load_dword s4, s[0:1], 0xb ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_gt_i32 s4, 0 ; SI-NEXT: s_cselect_b64 s[2:3], -1, 0 ; SI-NEXT: s_cmp_lt_i32 s4, 1 ; SI-NEXT: s_cbranch_scc1 .LBB8_2 ; SI-NEXT: ; %bb.1: ; %IF ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[2:3] ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: .LBB8_2: ; %ENDIF ; SI-NEXT: s_endpgm ; ; VI-LABEL: icmp_2_users: ; VI: ; %bb.0: ; %main_body ; VI-NEXT: s_load_dword s4, s[0:1], 0x2c ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_gt_i32 s4, 0 ; VI-NEXT: s_cselect_b64 s[2:3], -1, 0 ; VI-NEXT: s_cmp_lt_i32 s4, 1 ; VI-NEXT: s_cbranch_scc1 .LBB8_2 ; VI-NEXT: ; %bb.1: ; %IF ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_cndmask_b32_e64 v0, 0, -1, s[2:3] ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: .LBB8_2: ; %ENDIF ; VI-NEXT: s_endpgm main_body: %0 = icmp sgt i32 %cond, 0 %1 = sext i1 %0 to i32 br i1 %0, label %IF, label %ENDIF IF: store i32 %1, ptr addrspace(1) %out br label %ENDIF ENDIF: ; preds = %IF, %main_body ret void } define amdgpu_kernel void @icmp_users_different_blocks(i32 %cond0, i32 %cond1, ptr addrspace(1) %out) { ; SI-LABEL: icmp_users_different_blocks: ; SI: ; %bb.0: ; %bb ; SI-NEXT: s_load_dwordx2 s[2:3], s[0:1], 0x9 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lt_i32 s2, 1 ; SI-NEXT: s_cbranch_scc1 .LBB9_2 ; SI-NEXT: ; %bb.1: ; %bb2 ; SI-NEXT: s_cmp_gt_i32 s3, 0 ; SI-NEXT: s_cselect_b64 s[2:3], -1, 0 ; SI-NEXT: s_and_b64 vcc, exec, s[2:3] ; SI-NEXT: s_cbranch_vccz .LBB9_3 ; SI-NEXT: .LBB9_2: ; %bb9 ; SI-NEXT: s_endpgm ; SI-NEXT: .LBB9_3: ; %bb7 ; SI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0xb ; SI-NEXT: v_cndmask_b32_e64 v1, 0, 1, s[2:3] ; SI-NEXT: v_sub_i32_e32 v0, vcc, v0, v1 ; SI-NEXT: s_mov_b32 s3, 0xf000 ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: icmp_users_different_blocks: ; VI: ; %bb.0: ; %bb ; VI-NEXT: s_load_dwordx2 s[2:3], s[0:1], 0x24 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lt_i32 s2, 1 ; VI-NEXT: s_cbranch_scc1 .LBB9_2 ; VI-NEXT: ; %bb.1: ; %bb2 ; VI-NEXT: s_cmp_gt_i32 s3, 0 ; VI-NEXT: s_cselect_b64 s[2:3], -1, 0 ; VI-NEXT: s_and_b64 vcc, exec, s[2:3] ; VI-NEXT: s_cbranch_vccz .LBB9_3 ; VI-NEXT: .LBB9_2: ; %bb9 ; VI-NEXT: s_endpgm ; VI-NEXT: .LBB9_3: ; %bb7 ; VI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x2c ; VI-NEXT: v_cndmask_b32_e64 v1, 0, 1, s[2:3] ; VI-NEXT: v_sub_u32_e32 v0, vcc, v0, v1 ; VI-NEXT: s_mov_b32 s3, 0xf000 ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: s_endpgm bb: %tmp = tail call i32 @llvm.amdgcn.workitem.id.x() #0 %cmp0 = icmp sgt i32 %cond0, 0 br i1 %cmp0, label %bb2, label %bb9 bb2: ; preds = %bb %cmp1 = icmp sgt i32 %cond1, 0 %tmp2 = sext i1 %cmp1 to i32 %tmp3 = add i32 %tmp2, %tmp br i1 %cmp1, label %bb9, label %bb7 bb7: ; preds = %bb5 store i32 %tmp3, ptr addrspace(1) %out br label %bb9 bb9: ; preds = %bb8, %bb4 ret void } define amdgpu_kernel void @uniform_loop(ptr addrspace(1) %out, i32 %a) { ; SI-LABEL: uniform_loop: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s0, s[0:1], 0xb ; SI-NEXT: .LBB10_1: ; %loop ; SI-NEXT: ; =>This Inner Loop Header: Depth=1 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_add_i32 s0, s0, -1 ; SI-NEXT: s_cmp_lg_u32 s0, 0 ; SI-NEXT: s_cbranch_scc1 .LBB10_1 ; SI-NEXT: ; %bb.2: ; %done ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_loop: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s0, s[0:1], 0x2c ; VI-NEXT: .LBB10_1: ; %loop ; VI-NEXT: ; =>This Inner Loop Header: Depth=1 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_add_i32 s0, s0, -1 ; VI-NEXT: s_cmp_lg_u32 s0, 0 ; VI-NEXT: s_cbranch_scc1 .LBB10_1 ; VI-NEXT: ; %bb.2: ; %done ; VI-NEXT: s_endpgm entry: br label %loop loop: %i = phi i32 [0, %entry], [%i.i, %loop] %i.i = add i32 %i, 1 %cmp = icmp eq i32 %a, %i.i br i1 %cmp, label %done, label %loop done: ret void } ; Test uniform and divergent. define amdgpu_kernel void @uniform_inside_divergent(ptr addrspace(1) %out, i32 %cond) { ; SI-LABEL: uniform_inside_divergent: ; SI: ; %bb.0: ; %entry ; SI-NEXT: v_cmp_gt_u32_e32 vcc, 16, v0 ; SI-NEXT: s_and_saveexec_b64 s[2:3], vcc ; SI-NEXT: s_cbranch_execz .LBB11_2 ; SI-NEXT: ; %bb.1: ; %if ; SI-NEXT: s_load_dword s4, s[0:1], 0xb ; SI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s3, 0xf000 ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: v_mov_b32_e32 v0, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s4, 0 ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: s_cbranch_scc0 .LBB11_3 ; SI-NEXT: .LBB11_2: ; %endif ; SI-NEXT: s_endpgm ; SI-NEXT: .LBB11_3: ; %if_uniform ; SI-NEXT: s_waitcnt expcnt(0) ; SI-NEXT: v_mov_b32_e32 v0, 1 ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_inside_divergent: ; VI: ; %bb.0: ; %entry ; VI-NEXT: v_cmp_gt_u32_e32 vcc, 16, v0 ; VI-NEXT: s_and_saveexec_b64 s[2:3], vcc ; VI-NEXT: s_cbranch_execz .LBB11_2 ; VI-NEXT: ; %bb.1: ; %if ; VI-NEXT: s_load_dword s4, s[0:1], 0x2c ; VI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s3, 0xf000 ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: v_mov_b32_e32 v0, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s4, 0 ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: s_cbranch_scc0 .LBB11_3 ; VI-NEXT: .LBB11_2: ; %endif ; VI-NEXT: s_endpgm ; VI-NEXT: .LBB11_3: ; %if_uniform ; VI-NEXT: v_mov_b32_e32 v0, 1 ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: s_endpgm entry: %tid = call i32 @llvm.amdgcn.workitem.id.x() #0 %d_cmp = icmp ult i32 %tid, 16 br i1 %d_cmp, label %if, label %endif if: store i32 0, ptr addrspace(1) %out %u_cmp = icmp eq i32 %cond, 0 br i1 %u_cmp, label %if_uniform, label %endif if_uniform: store i32 1, ptr addrspace(1) %out br label %endif endif: ret void } define amdgpu_kernel void @divergent_inside_uniform(ptr addrspace(1) %out, i32 %cond) { ; SI-LABEL: divergent_inside_uniform: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dword s2, s[0:1], 0xb ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s2, 0 ; SI-NEXT: s_cbranch_scc0 .LBB12_2 ; SI-NEXT: .LBB12_1: ; %endif ; SI-NEXT: s_endpgm ; SI-NEXT: .LBB12_2: ; %if ; SI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s3, 0xf000 ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: v_mov_b32_e32 v1, 0 ; SI-NEXT: v_cmp_gt_u32_e32 vcc, 16, v0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v1, off, s[0:3], 0 ; SI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; SI-NEXT: s_cbranch_execz .LBB12_1 ; SI-NEXT: ; %bb.3: ; %if_uniform ; SI-NEXT: v_mov_b32_e32 v0, 1 ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: divergent_inside_uniform: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dword s2, s[0:1], 0x2c ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s2, 0 ; VI-NEXT: s_cbranch_scc0 .LBB12_2 ; VI-NEXT: .LBB12_1: ; %endif ; VI-NEXT: s_endpgm ; VI-NEXT: .LBB12_2: ; %if ; VI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s3, 0xf000 ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: v_mov_b32_e32 v1, 0 ; VI-NEXT: v_cmp_gt_u32_e32 vcc, 16, v0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v1, off, s[0:3], 0 ; VI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; VI-NEXT: s_cbranch_execz .LBB12_1 ; VI-NEXT: ; %bb.3: ; %if_uniform ; VI-NEXT: v_mov_b32_e32 v0, 1 ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: s_endpgm entry: %u_cmp = icmp eq i32 %cond, 0 br i1 %u_cmp, label %if, label %endif if: store i32 0, ptr addrspace(1) %out %tid = call i32 @llvm.amdgcn.workitem.id.x() #0 %d_cmp = icmp ult i32 %tid, 16 br i1 %d_cmp, label %if_uniform, label %endif if_uniform: store i32 1, ptr addrspace(1) %out br label %endif endif: ret void } define amdgpu_kernel void @divergent_if_uniform_if(ptr addrspace(1) %out, i32 %cond) { ; SI-LABEL: divergent_if_uniform_if: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x9 ; SI-NEXT: v_cmp_eq_u32_e32 vcc, 0, v0 ; SI-NEXT: s_and_saveexec_b64 s[2:3], vcc ; SI-NEXT: s_cbranch_execz .LBB13_2 ; SI-NEXT: ; %bb.1: ; %if ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_mov_b32_e32 v0, 1 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: .LBB13_2: ; %endif ; SI-NEXT: s_or_b64 exec, exec, s[2:3] ; SI-NEXT: s_load_dword s0, s[0:1], 0xb ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s0, 0 ; SI-NEXT: s_cbranch_scc0 .LBB13_4 ; SI-NEXT: ; %bb.3: ; %exit ; SI-NEXT: s_endpgm ; SI-NEXT: .LBB13_4: ; %if_uniform ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: s_waitcnt expcnt(0) ; SI-NEXT: v_mov_b32_e32 v0, 2 ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: divergent_if_uniform_if: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x24 ; VI-NEXT: v_cmp_eq_u32_e32 vcc, 0, v0 ; VI-NEXT: s_and_saveexec_b64 s[2:3], vcc ; VI-NEXT: s_cbranch_execz .LBB13_2 ; VI-NEXT: ; %bb.1: ; %if ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, 1 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: .LBB13_2: ; %endif ; VI-NEXT: s_or_b64 exec, exec, s[2:3] ; VI-NEXT: s_load_dword s0, s[0:1], 0x2c ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s0, 0 ; VI-NEXT: s_cbranch_scc0 .LBB13_4 ; VI-NEXT: ; %bb.3: ; %exit ; VI-NEXT: s_endpgm ; VI-NEXT: .LBB13_4: ; %if_uniform ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, 2 ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %tid = call i32 @llvm.amdgcn.workitem.id.x() #0 %d_cmp = icmp eq i32 %tid, 0 br i1 %d_cmp, label %if, label %endif if: store i32 1, ptr addrspace(1) %out br label %endif endif: %u_cmp = icmp eq i32 %cond, 0 br i1 %u_cmp, label %if_uniform, label %exit if_uniform: store i32 2, ptr addrspace(1) %out br label %exit exit: ret void } ; The condition of the branches in the two blocks are ; uniform. MachineCSE replaces the 2nd condition with the inverse of ; the first, leaving an scc use in a different block than it was ; defed. define amdgpu_kernel void @cse_uniform_condition_different_blocks(i32 %cond, ptr addrspace(1) %out) { ; SI-LABEL: cse_uniform_condition_different_blocks: ; SI: ; %bb.0: ; %bb ; SI-NEXT: s_load_dword s2, s[0:1], 0x9 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_cmp_lt_i32 s2, 1 ; SI-NEXT: s_cbranch_scc1 .LBB14_2 ; SI-NEXT: ; %bb.1: ; %bb2 ; SI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0xb ; SI-NEXT: s_mov_b32 s3, 0xf000 ; SI-NEXT: s_mov_b32 s2, -1 ; SI-NEXT: v_mov_b32_e32 v1, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_load_dword v0, off, s[0:3], 0 glc ; SI-NEXT: s_waitcnt vmcnt(0) ; SI-NEXT: buffer_store_dword v1, off, s[0:3], 0 ; SI-NEXT: s_waitcnt vmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; SI-NEXT: .LBB14_2: ; %bb9 ; SI-NEXT: s_endpgm ; ; VI-LABEL: cse_uniform_condition_different_blocks: ; VI: ; %bb.0: ; %bb ; VI-NEXT: s_load_dword s2, s[0:1], 0x24 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lt_i32 s2, 1 ; VI-NEXT: s_cbranch_scc1 .LBB14_2 ; VI-NEXT: ; %bb.1: ; %bb2 ; VI-NEXT: s_load_dwordx2 s[0:1], s[0:1], 0x2c ; VI-NEXT: s_mov_b32 s3, 0xf000 ; VI-NEXT: s_mov_b32 s2, -1 ; VI-NEXT: v_mov_b32_e32 v1, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_load_dword v0, off, s[0:3], 0 glc ; VI-NEXT: s_waitcnt vmcnt(0) ; VI-NEXT: buffer_store_dword v1, off, s[0:3], 0 ; VI-NEXT: s_waitcnt vmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[0:3], 0 ; VI-NEXT: .LBB14_2: ; %bb9 ; VI-NEXT: s_endpgm bb: %tmp = tail call i32 @llvm.amdgcn.workitem.id.x() #0 %tmp1 = icmp sgt i32 %cond, 0 br i1 %tmp1, label %bb2, label %bb9 bb2: ; preds = %bb %tmp3 = load volatile i32, ptr addrspace(1) undef store volatile i32 0, ptr addrspace(1) undef %tmp9 = icmp sle i32 %cond, 0 br i1 %tmp9, label %bb9, label %bb7 bb7: ; preds = %bb5 store i32 %tmp3, ptr addrspace(1) %out br label %bb9 bb9: ; preds = %bb8, %bb4 ret void } ; Fall-through to the else define amdgpu_kernel void @uniform_if_scc_i64_eq(i64 %cond, ptr addrspace(1) %out) { ; SI-LABEL: uniform_if_scc_i64_eq: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_cmp_eq_u64_e64 s[4:5], s[0:1], 0 ; SI-NEXT: s_mov_b32 s0, 0 ; SI-NEXT: s_and_b64 vcc, exec, s[4:5] ; SI-NEXT: s_cbranch_vccnz .LBB15_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s0, 1 ; SI-NEXT: .LBB15_2: ; %done ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: s_mov_b32 s4, s2 ; SI-NEXT: s_mov_b32 s5, s3 ; SI-NEXT: v_mov_b32_e32 v0, s0 ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_scc_i64_eq: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_eq_u64 s[0:1], 0 ; VI-NEXT: s_mov_b32 s0, 0 ; VI-NEXT: s_cbranch_scc1 .LBB15_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s0, 1 ; VI-NEXT: .LBB15_2: ; %done ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: s_mov_b32 s4, s2 ; VI-NEXT: s_mov_b32 s5, s3 ; VI-NEXT: v_mov_b32_e32 v0, s0 ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp0 = icmp eq i64 %cond, 0 br i1 %cmp0, label %if, label %else if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } ; Fall-through to the else define amdgpu_kernel void @uniform_if_scc_i64_ne(i64 %cond, ptr addrspace(1) %out) { ; SI-LABEL: uniform_if_scc_i64_ne: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_cmp_ne_u64_e64 s[4:5], s[0:1], 0 ; SI-NEXT: s_mov_b32 s0, 0 ; SI-NEXT: s_and_b64 vcc, exec, s[4:5] ; SI-NEXT: s_cbranch_vccnz .LBB16_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s0, 1 ; SI-NEXT: .LBB16_2: ; %done ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: s_mov_b32 s4, s2 ; SI-NEXT: s_mov_b32 s5, s3 ; SI-NEXT: v_mov_b32_e32 v0, s0 ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_scc_i64_ne: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u64 s[0:1], 0 ; VI-NEXT: s_mov_b32 s0, 0 ; VI-NEXT: s_cbranch_scc1 .LBB16_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s0, 1 ; VI-NEXT: .LBB16_2: ; %done ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: s_mov_b32 s4, s2 ; VI-NEXT: s_mov_b32 s5, s3 ; VI-NEXT: v_mov_b32_e32 v0, s0 ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp0 = icmp ne i64 %cond, 0 br i1 %cmp0, label %if, label %else if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } ; Fall-through to the else define amdgpu_kernel void @uniform_if_scc_i64_sgt(i64 %cond, ptr addrspace(1) %out) { ; SI-LABEL: uniform_if_scc_i64_sgt: ; SI: ; %bb.0: ; %entry ; SI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x9 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_cmp_gt_i64_e64 s[4:5], s[0:1], 0 ; SI-NEXT: s_mov_b32 s0, 0 ; SI-NEXT: s_and_b64 vcc, exec, s[4:5] ; SI-NEXT: s_cbranch_vccnz .LBB17_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s0, 1 ; SI-NEXT: .LBB17_2: ; %done ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: s_mov_b32 s4, s2 ; SI-NEXT: s_mov_b32 s5, s3 ; SI-NEXT: v_mov_b32_e32 v0, s0 ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: uniform_if_scc_i64_sgt: ; VI: ; %bb.0: ; %entry ; VI-NEXT: s_load_dwordx4 s[0:3], s[0:1], 0x24 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: v_cmp_gt_i64_e64 s[4:5], s[0:1], 0 ; VI-NEXT: s_mov_b32 s0, 0 ; VI-NEXT: s_and_b64 vcc, exec, s[4:5] ; VI-NEXT: s_cbranch_vccnz .LBB17_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s0, 1 ; VI-NEXT: .LBB17_2: ; %done ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: s_mov_b32 s4, s2 ; VI-NEXT: s_mov_b32 s5, s3 ; VI-NEXT: v_mov_b32_e32 v0, s0 ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm entry: %cmp0 = icmp sgt i64 %cond, 0 br i1 %cmp0, label %if, label %else if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } define amdgpu_kernel void @move_to_valu_i64_eq(ptr addrspace(1) %out) { ; SI-LABEL: move_to_valu_i64_eq: ; SI: ; %bb.0: ; SI-NEXT: s_mov_b32 m0, -1 ; SI-NEXT: ds_read_b64 v[0:1], v0 ; SI-NEXT: s_mov_b32 s2, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[0:1] ; SI-NEXT: s_cbranch_vccnz .LBB18_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s2, 1 ; SI-NEXT: .LBB18_2: ; %done ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_mov_b32_e32 v0, s2 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: move_to_valu_i64_eq: ; VI: ; %bb.0: ; VI-NEXT: s_mov_b32 m0, -1 ; VI-NEXT: ds_read_b64 v[0:1], v0 ; VI-NEXT: s_mov_b32 s2, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: v_cmp_eq_u64_e32 vcc, 0, v[0:1] ; VI-NEXT: s_cbranch_vccnz .LBB18_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s2, 1 ; VI-NEXT: .LBB18_2: ; %done ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, s2 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm %cond = load volatile i64, ptr addrspace(3) undef %cmp0 = icmp eq i64 %cond, 0 br i1 %cmp0, label %if, label %else if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } define amdgpu_kernel void @move_to_valu_i64_ne(ptr addrspace(1) %out) { ; SI-LABEL: move_to_valu_i64_ne: ; SI: ; %bb.0: ; SI-NEXT: s_mov_b32 m0, -1 ; SI-NEXT: ds_read_b64 v[0:1], v0 ; SI-NEXT: s_mov_b32 s2, 0 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: v_cmp_ne_u64_e32 vcc, 0, v[0:1] ; SI-NEXT: s_cbranch_vccnz .LBB19_2 ; SI-NEXT: ; %bb.1: ; %else ; SI-NEXT: s_mov_b32 s2, 1 ; SI-NEXT: .LBB19_2: ; %done ; SI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x9 ; SI-NEXT: s_mov_b32 s7, 0xf000 ; SI-NEXT: s_mov_b32 s6, -1 ; SI-NEXT: v_mov_b32_e32 v0, s2 ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; SI-NEXT: s_endpgm ; ; VI-LABEL: move_to_valu_i64_ne: ; VI: ; %bb.0: ; VI-NEXT: s_mov_b32 m0, -1 ; VI-NEXT: ds_read_b64 v[0:1], v0 ; VI-NEXT: s_mov_b32 s2, 0 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: v_cmp_ne_u64_e32 vcc, 0, v[0:1] ; VI-NEXT: s_cbranch_vccnz .LBB19_2 ; VI-NEXT: ; %bb.1: ; %else ; VI-NEXT: s_mov_b32 s2, 1 ; VI-NEXT: .LBB19_2: ; %done ; VI-NEXT: s_load_dwordx2 s[4:5], s[0:1], 0x24 ; VI-NEXT: s_mov_b32 s7, 0xf000 ; VI-NEXT: s_mov_b32 s6, -1 ; VI-NEXT: v_mov_b32_e32 v0, s2 ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: buffer_store_dword v0, off, s[4:7], 0 ; VI-NEXT: s_endpgm %cond = load volatile i64, ptr addrspace(3) undef %cmp0 = icmp ne i64 %cond, 0 br i1 %cmp0, label %if, label %else if: br label %done else: br label %done done: %value = phi i32 [0, %if], [1, %else] store i32 %value, ptr addrspace(1) %out ret void } define void @move_to_valu_vgpr_operand_phi(ptr addrspace(3) %out) { ; SI-LABEL: move_to_valu_vgpr_operand_phi: ; SI: ; %bb.0: ; %bb0 ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: v_add_i32_e32 v0, vcc, 28, v0 ; SI-NEXT: v_mov_b32_e32 v1, 1 ; SI-NEXT: s_and_b64 vcc, exec, 0 ; SI-NEXT: s_mov_b32 m0, -1 ; SI-NEXT: s_branch .LBB20_2 ; SI-NEXT: .LBB20_1: ; %bb3 ; SI-NEXT: ; in Loop: Header=BB20_2 Depth=1 ; SI-NEXT: v_add_i32_e64 v0, s[4:5], 8, v0 ; SI-NEXT: .LBB20_2: ; %bb1 ; SI-NEXT: ; =>This Inner Loop Header: Depth=1 ; SI-NEXT: s_cbranch_scc1 .LBB20_1 ; SI-NEXT: ; %bb.3: ; %bb2 ; SI-NEXT: ; in Loop: Header=BB20_2 Depth=1 ; SI-NEXT: ds_write_b32 v0, v1 ; SI-NEXT: s_mov_b64 vcc, vcc ; SI-NEXT: s_cbranch_vccz .LBB20_1 ; SI-NEXT: ; %bb.4: ; %DummyReturnBlock ; SI-NEXT: s_waitcnt lgkmcnt(0) ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: move_to_valu_vgpr_operand_phi: ; VI: ; %bb.0: ; %bb0 ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: v_add_u32_e32 v0, vcc, 28, v0 ; VI-NEXT: v_mov_b32_e32 v1, 1 ; VI-NEXT: s_and_b64 vcc, exec, 0 ; VI-NEXT: s_mov_b32 m0, -1 ; VI-NEXT: s_branch .LBB20_2 ; VI-NEXT: .LBB20_1: ; %bb3 ; VI-NEXT: ; in Loop: Header=BB20_2 Depth=1 ; VI-NEXT: v_add_u32_e64 v0, s[4:5], 8, v0 ; VI-NEXT: .LBB20_2: ; %bb1 ; VI-NEXT: ; =>This Inner Loop Header: Depth=1 ; VI-NEXT: s_cbranch_scc1 .LBB20_1 ; VI-NEXT: ; %bb.3: ; %bb2 ; VI-NEXT: ; in Loop: Header=BB20_2 Depth=1 ; VI-NEXT: ds_write_b32 v0, v1 ; VI-NEXT: s_mov_b64 vcc, vcc ; VI-NEXT: s_cbranch_vccz .LBB20_1 ; VI-NEXT: ; %bb.4: ; %DummyReturnBlock ; VI-NEXT: s_waitcnt lgkmcnt(0) ; VI-NEXT: s_setpc_b64 s[30:31] bb0: br label %bb1 bb1: ; preds = %bb3, %bb0 %tmp0 = phi i32 [ 8, %bb0 ], [ %tmp4, %bb3 ] %tmp1 = add nsw i32 %tmp0, -1 %tmp2 = getelementptr inbounds i32, ptr addrspace(3) %out, i32 %tmp1 br i1 undef, label %bb2, label %bb3 bb2: ; preds = %bb1 store volatile i32 1, ptr addrspace(3) %tmp2, align 4 br label %bb3 bb3: ; preds = %bb2, %bb1 %tmp4 = add nsw i32 %tmp0, 2 br label %bb1 } declare i32 @llvm.amdgcn.workitem.id.x() #0 attributes #0 = { nounwind readnone } ;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line: ; GCN: {{.*}}