; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -mtriple=amdgcn -mcpu=tahiti < %s | FileCheck -check-prefix=SI %s ; RUN: llc -mtriple=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=VI %s ; RUN: llc -mtriple=amdgcn -mcpu=gfx900 < %s | FileCheck -check-prefix=GFX9 %s ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=+real-true16 < %s | FileCheck -check-prefixes=GFX11,GFX11-TRUE16 %s ; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=-real-true16 < %s | FileCheck -check-prefixes=GFX11,GFX11-FAKE16 %s define half @bitcast_i16_to_f16(i16 %a, i32 %b) #0 { ; SI-LABEL: bitcast_i16_to_f16: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: v_and_b32_e32 v0, 0xffff, v0 ; SI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; SI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; SI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: ; %bb.1: ; %cmp.true ; SI-NEXT: v_add_i32_e32 v0, vcc, 3, v0 ; SI-NEXT: ; %bb.2: ; %end ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_i16_to_f16: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; VI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; VI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; VI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; VI-NEXT: ; %bb.1: ; %cmp.true ; VI-NEXT: v_add_u16_e32 v0, 3, v0 ; VI-NEXT: ; %bb.2: ; %end ; VI-NEXT: s_or_b64 exec, exec, s[4:5] ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_i16_to_f16: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; GFX9-NEXT: s_and_saveexec_b64 s[4:5], vcc ; GFX9-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; GFX9-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; GFX9-NEXT: ; %bb.1: ; %cmp.true ; GFX9-NEXT: v_add_u16_e32 v0, 3, v0 ; GFX9-NEXT: ; %bb.2: ; %end ; GFX9-NEXT: s_or_b64 exec, exec, s[4:5] ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_i16_to_f16: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: v_cmp_ne_u32_e32 vcc_lo, 0, v1 ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr1_lo16 ; GFX11-TRUE16-NEXT: s_and_saveexec_b32 s0, vcc_lo ; GFX11-TRUE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-TRUE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %cmp.false ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v1.l, v0.l ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr0 ; GFX11-TRUE16-NEXT: ; %bb.2: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-TRUE16-NEXT: s_cbranch_execz .LBB0_4 ; GFX11-TRUE16-NEXT: ; %bb.3: ; %cmp.true ; GFX11-TRUE16-NEXT: v_add_nc_u16 v1.l, v0.l, 3 ; GFX11-TRUE16-NEXT: .LBB0_4: ; %end ; GFX11-TRUE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.l, v1.l ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_i16_to_f16: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-FAKE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-FAKE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-FAKE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %cmp.true ; GFX11-FAKE16-NEXT: v_add_nc_u16 v0, v0, 3 ; GFX11-FAKE16-NEXT: ; %bb.2: ; %end ; GFX11-FAKE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = add i16 %a, 3 %a2 = bitcast i16 %a1 to half br label %end cmp.false: %a3 = bitcast i16 %a to half br label %end end: %phi = phi half [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret half %phi } define inreg half @bitcast_i16_to_f16_scalar(i16 inreg %a, i32 inreg %b) #0 { ; SI-LABEL: bitcast_i16_to_f16_scalar: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: s_and_b32 s6, s16, 0xffff ; SI-NEXT: s_cmp_lg_u32 s17, 0 ; SI-NEXT: s_cbranch_scc0 .LBB1_4 ; SI-NEXT: ; %bb.1: ; %cmp.false ; SI-NEXT: s_cbranch_execnz .LBB1_3 ; SI-NEXT: .LBB1_2: ; %cmp.true ; SI-NEXT: s_add_i32 s6, s6, 3 ; SI-NEXT: .LBB1_3: ; %end ; SI-NEXT: v_mov_b32_e32 v0, s6 ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB1_4: ; SI-NEXT: s_branch .LBB1_2 ; ; VI-LABEL: bitcast_i16_to_f16_scalar: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s17, 0 ; VI-NEXT: s_cbranch_scc0 .LBB1_4 ; VI-NEXT: ; %bb.1: ; %cmp.false ; VI-NEXT: s_cbranch_execnz .LBB1_3 ; VI-NEXT: .LBB1_2: ; %cmp.true ; VI-NEXT: s_add_i32 s16, s16, 3 ; VI-NEXT: .LBB1_3: ; %end ; VI-NEXT: v_mov_b32_e32 v0, s16 ; VI-NEXT: s_setpc_b64 s[30:31] ; VI-NEXT: .LBB1_4: ; VI-NEXT: s_branch .LBB1_2 ; ; GFX9-LABEL: bitcast_i16_to_f16_scalar: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: s_cmp_lg_u32 s17, 0 ; GFX9-NEXT: s_cbranch_scc0 .LBB1_4 ; GFX9-NEXT: ; %bb.1: ; %cmp.false ; GFX9-NEXT: s_cbranch_execnz .LBB1_3 ; GFX9-NEXT: .LBB1_2: ; %cmp.true ; GFX9-NEXT: s_add_i32 s16, s16, 3 ; GFX9-NEXT: .LBB1_3: ; %end ; GFX9-NEXT: v_mov_b32_e32 v0, s16 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; GFX9-NEXT: .LBB1_4: ; GFX9-NEXT: s_branch .LBB1_2 ; ; GFX11-LABEL: bitcast_i16_to_f16_scalar: ; GFX11: ; %bb.0: ; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-NEXT: s_mov_b32 s1, 0 ; GFX11-NEXT: s_cbranch_scc0 .LBB1_3 ; GFX11-NEXT: ; %bb.1: ; %Flow ; GFX11-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-NEXT: s_cbranch_vccz .LBB1_4 ; GFX11-NEXT: ; %bb.2: ; %end ; GFX11-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-NEXT: s_setpc_b64 s[30:31] ; GFX11-NEXT: .LBB1_3: ; GFX11-NEXT: .LBB1_4: ; %cmp.true ; GFX11-NEXT: s_add_i32 s0, s0, 3 ; GFX11-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = add i16 %a, 3 %a2 = bitcast i16 %a1 to half br label %end cmp.false: %a3 = bitcast i16 %a to half br label %end end: %phi = phi half [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret half %phi } define i16 @bitcast_f16_to_i16(half %a, i32 %b) #0 { ; SI-LABEL: bitcast_f16_to_i16: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: v_mov_b32_e32 v2, v0 ; SI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; SI-NEXT: ; implicit-def: $vgpr0 ; SI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; SI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; SI-NEXT: s_cbranch_execnz .LBB2_3 ; SI-NEXT: ; %bb.1: ; %Flow ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: s_cbranch_execnz .LBB2_4 ; SI-NEXT: .LBB2_2: ; %end ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB2_3: ; %cmp.false ; SI-NEXT: v_and_b32_e32 v0, 0xffff, v2 ; SI-NEXT: ; implicit-def: $vgpr2 ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: s_cbranch_execz .LBB2_2 ; SI-NEXT: .LBB2_4: ; %cmp.true ; SI-NEXT: v_cvt_f32_f16_e32 v0, v2 ; SI-NEXT: v_add_f32_e32 v0, 0x38000000, v0 ; SI-NEXT: v_cvt_f16_f32_e32 v0, v0 ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_f16_to_i16: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; VI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; VI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; VI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; VI-NEXT: ; %bb.1: ; %cmp.true ; VI-NEXT: v_add_f16_e32 v0, 0x200, v0 ; VI-NEXT: ; %bb.2: ; %end ; VI-NEXT: s_or_b64 exec, exec, s[4:5] ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_f16_to_i16: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; GFX9-NEXT: s_and_saveexec_b64 s[4:5], vcc ; GFX9-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; GFX9-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; GFX9-NEXT: ; %bb.1: ; %cmp.true ; GFX9-NEXT: v_add_f16_e32 v0, 0x200, v0 ; GFX9-NEXT: ; %bb.2: ; %end ; GFX9-NEXT: s_or_b64 exec, exec, s[4:5] ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_f16_to_i16: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: v_cmp_ne_u32_e32 vcc_lo, 0, v1 ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr1_lo16 ; GFX11-TRUE16-NEXT: s_and_saveexec_b32 s0, vcc_lo ; GFX11-TRUE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-TRUE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %cmp.false ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v1.l, v0.l ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr0 ; GFX11-TRUE16-NEXT: ; %bb.2: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-TRUE16-NEXT: s_cbranch_execz .LBB2_4 ; GFX11-TRUE16-NEXT: ; %bb.3: ; %cmp.true ; GFX11-TRUE16-NEXT: v_add_f16_e32 v1.l, 0x200, v0.l ; GFX11-TRUE16-NEXT: .LBB2_4: ; %end ; GFX11-TRUE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.l, v1.l ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_f16_to_i16: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-FAKE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-FAKE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-FAKE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %cmp.true ; GFX11-FAKE16-NEXT: v_add_f16_e32 v0, 0x200, v0 ; GFX11-FAKE16-NEXT: ; %bb.2: ; %end ; GFX11-FAKE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd half %a, 0xH0200 %a2 = bitcast half %a1 to i16 br label %end cmp.false: %a3 = bitcast half %a to i16 br label %end end: %phi = phi i16 [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret i16 %phi } define inreg i16 @bitcast_f16_to_i16_scalar(half inreg %a, i32 inreg %b) #0 { ; SI-LABEL: bitcast_f16_to_i16_scalar: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s17, 0 ; SI-NEXT: s_cbranch_scc0 .LBB3_3 ; SI-NEXT: ; %bb.1: ; %cmp.false ; SI-NEXT: s_and_b32 s6, s16, 0xffff ; SI-NEXT: s_cbranch_execnz .LBB3_4 ; SI-NEXT: .LBB3_2: ; %cmp.true ; SI-NEXT: v_cvt_f32_f16_e32 v0, s16 ; SI-NEXT: v_add_f32_e32 v0, 0x38000000, v0 ; SI-NEXT: v_cvt_f16_f32_e32 v0, v0 ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB3_3: ; SI-NEXT: ; implicit-def: $sgpr6 ; SI-NEXT: s_branch .LBB3_2 ; SI-NEXT: .LBB3_4: ; SI-NEXT: v_mov_b32_e32 v0, s6 ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_f16_to_i16_scalar: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s17, 0 ; VI-NEXT: s_cbranch_scc0 .LBB3_3 ; VI-NEXT: ; %bb.1: ; %cmp.false ; VI-NEXT: s_cbranch_execnz .LBB3_4 ; VI-NEXT: .LBB3_2: ; %cmp.true ; VI-NEXT: v_mov_b32_e32 v0, 0x200 ; VI-NEXT: v_add_f16_e32 v0, s16, v0 ; VI-NEXT: s_setpc_b64 s[30:31] ; VI-NEXT: .LBB3_3: ; VI-NEXT: s_branch .LBB3_2 ; VI-NEXT: .LBB3_4: ; VI-NEXT: v_mov_b32_e32 v0, s16 ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_f16_to_i16_scalar: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: s_cmp_lg_u32 s17, 0 ; GFX9-NEXT: s_cbranch_scc0 .LBB3_3 ; GFX9-NEXT: ; %bb.1: ; %cmp.false ; GFX9-NEXT: s_cbranch_execnz .LBB3_4 ; GFX9-NEXT: .LBB3_2: ; %cmp.true ; GFX9-NEXT: v_mov_b32_e32 v0, 0x200 ; GFX9-NEXT: v_add_f16_e32 v0, s16, v0 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; GFX9-NEXT: .LBB3_3: ; GFX9-NEXT: s_branch .LBB3_2 ; GFX9-NEXT: .LBB3_4: ; GFX9-NEXT: v_mov_b32_e32 v0, s16 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_f16_to_i16_scalar: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-TRUE16-NEXT: s_mov_b32 s1, 0 ; GFX11-TRUE16-NEXT: s_cbranch_scc0 .LBB3_3 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-TRUE16-NEXT: s_cbranch_vccnz .LBB3_4 ; GFX11-TRUE16-NEXT: .LBB3_2: ; %cmp.true ; GFX11-TRUE16-NEXT: v_add_f16_e64 v0.l, 0x200, s0 ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; GFX11-TRUE16-NEXT: .LBB3_3: ; GFX11-TRUE16-NEXT: s_branch .LBB3_2 ; GFX11-TRUE16-NEXT: .LBB3_4: ; GFX11-TRUE16-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_f16_to_i16_scalar: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-FAKE16-NEXT: s_mov_b32 s1, 0 ; GFX11-FAKE16-NEXT: s_cbranch_scc0 .LBB3_3 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %Flow ; GFX11-FAKE16-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-FAKE16-NEXT: s_cbranch_vccnz .LBB3_4 ; GFX11-FAKE16-NEXT: .LBB3_2: ; %cmp.true ; GFX11-FAKE16-NEXT: v_add_f16_e64 v0, 0x200, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] ; GFX11-FAKE16-NEXT: .LBB3_3: ; GFX11-FAKE16-NEXT: s_branch .LBB3_2 ; GFX11-FAKE16-NEXT: .LBB3_4: ; GFX11-FAKE16-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd half %a, 0xH0200 %a2 = bitcast half %a1 to i16 br label %end cmp.false: %a3 = bitcast half %a to i16 br label %end end: %phi = phi i16 [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret i16 %phi } define bfloat @bitcast_i16_to_bf16(i16 %a, i32 %b) #0 { ; SI-LABEL: bitcast_i16_to_bf16: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: v_and_b32_e32 v0, 0xffff, v0 ; SI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; SI-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; SI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: ; %bb.1: ; %cmp.true ; SI-NEXT: v_add_i32_e32 v0, vcc, 0x30000, v0 ; SI-NEXT: ; %bb.2: ; %end ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: v_mul_f32_e32 v0, 1.0, v0 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_i16_to_bf16: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; VI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; VI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; VI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; VI-NEXT: ; %bb.1: ; %cmp.true ; VI-NEXT: v_add_u16_e32 v0, 3, v0 ; VI-NEXT: ; %bb.2: ; %end ; VI-NEXT: s_or_b64 exec, exec, s[4:5] ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_i16_to_bf16: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; GFX9-NEXT: s_and_saveexec_b64 s[4:5], vcc ; GFX9-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; GFX9-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; GFX9-NEXT: ; %bb.1: ; %cmp.true ; GFX9-NEXT: v_add_u16_e32 v0, 3, v0 ; GFX9-NEXT: ; %bb.2: ; %end ; GFX9-NEXT: s_or_b64 exec, exec, s[4:5] ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_i16_to_bf16: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: v_cmp_ne_u32_e32 vcc_lo, 0, v1 ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr1_lo16 ; GFX11-TRUE16-NEXT: s_and_saveexec_b32 s0, vcc_lo ; GFX11-TRUE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-TRUE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %cmp.false ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v1.l, v0.l ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr0 ; GFX11-TRUE16-NEXT: ; %bb.2: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-TRUE16-NEXT: s_cbranch_execz .LBB4_4 ; GFX11-TRUE16-NEXT: ; %bb.3: ; %cmp.true ; GFX11-TRUE16-NEXT: v_add_nc_u16 v1.l, v0.l, 3 ; GFX11-TRUE16-NEXT: .LBB4_4: ; %end ; GFX11-TRUE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.l, v1.l ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_i16_to_bf16: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-FAKE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-FAKE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-FAKE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %cmp.true ; GFX11-FAKE16-NEXT: v_add_nc_u16 v0, v0, 3 ; GFX11-FAKE16-NEXT: ; %bb.2: ; %end ; GFX11-FAKE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = add i16 %a, 3 %a2 = bitcast i16 %a1 to bfloat br label %end cmp.false: %a3 = bitcast i16 %a to bfloat br label %end end: %phi = phi bfloat [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret bfloat %phi } define inreg bfloat @bitcast_i16_to_bf16_scalar(i16 inreg %a, i32 inreg %b) #0 { ; SI-LABEL: bitcast_i16_to_bf16_scalar: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: s_and_b32 s6, s16, 0xffff ; SI-NEXT: s_cmp_lg_u32 s17, 0 ; SI-NEXT: s_cbranch_scc0 .LBB5_4 ; SI-NEXT: ; %bb.1: ; %cmp.false ; SI-NEXT: s_lshl_b32 s7, s6, 16 ; SI-NEXT: s_cbranch_execnz .LBB5_3 ; SI-NEXT: .LBB5_2: ; %cmp.true ; SI-NEXT: s_lshl_b32 s4, s6, 16 ; SI-NEXT: s_add_i32 s7, s4, 0x30000 ; SI-NEXT: .LBB5_3: ; %end ; SI-NEXT: v_mul_f32_e64 v0, 1.0, s7 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB5_4: ; SI-NEXT: ; implicit-def: $sgpr7 ; SI-NEXT: s_branch .LBB5_2 ; ; VI-LABEL: bitcast_i16_to_bf16_scalar: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s17, 0 ; VI-NEXT: s_cbranch_scc0 .LBB5_4 ; VI-NEXT: ; %bb.1: ; %cmp.false ; VI-NEXT: s_cbranch_execnz .LBB5_3 ; VI-NEXT: .LBB5_2: ; %cmp.true ; VI-NEXT: s_add_i32 s16, s16, 3 ; VI-NEXT: .LBB5_3: ; %end ; VI-NEXT: v_mov_b32_e32 v0, s16 ; VI-NEXT: s_setpc_b64 s[30:31] ; VI-NEXT: .LBB5_4: ; VI-NEXT: s_branch .LBB5_2 ; ; GFX9-LABEL: bitcast_i16_to_bf16_scalar: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: s_cmp_lg_u32 s17, 0 ; GFX9-NEXT: s_cbranch_scc0 .LBB5_4 ; GFX9-NEXT: ; %bb.1: ; %cmp.false ; GFX9-NEXT: s_cbranch_execnz .LBB5_3 ; GFX9-NEXT: .LBB5_2: ; %cmp.true ; GFX9-NEXT: s_add_i32 s16, s16, 3 ; GFX9-NEXT: .LBB5_3: ; %end ; GFX9-NEXT: v_mov_b32_e32 v0, s16 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; GFX9-NEXT: .LBB5_4: ; GFX9-NEXT: s_branch .LBB5_2 ; ; GFX11-LABEL: bitcast_i16_to_bf16_scalar: ; GFX11: ; %bb.0: ; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-NEXT: s_mov_b32 s1, 0 ; GFX11-NEXT: s_cbranch_scc0 .LBB5_3 ; GFX11-NEXT: ; %bb.1: ; %Flow ; GFX11-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-NEXT: s_cbranch_vccz .LBB5_4 ; GFX11-NEXT: ; %bb.2: ; %end ; GFX11-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-NEXT: s_setpc_b64 s[30:31] ; GFX11-NEXT: .LBB5_3: ; GFX11-NEXT: .LBB5_4: ; %cmp.true ; GFX11-NEXT: s_add_i32 s0, s0, 3 ; GFX11-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = add i16 %a, 3 %a2 = bitcast i16 %a1 to bfloat br label %end cmp.false: %a3 = bitcast i16 %a to bfloat br label %end end: %phi = phi bfloat [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret bfloat %phi } define i16 @bitcast_bf16_to_i16(bfloat %a, i32 %b) #0 { ; SI-LABEL: bitcast_bf16_to_i16: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; SI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; SI-NEXT: v_mul_f32_e32 v1, 1.0, v0 ; SI-NEXT: ; implicit-def: $vgpr0 ; SI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; SI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; SI-NEXT: s_cbranch_execnz .LBB6_3 ; SI-NEXT: ; %bb.1: ; %Flow ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: s_cbranch_execnz .LBB6_4 ; SI-NEXT: .LBB6_2: ; %end ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB6_3: ; %cmp.false ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v1 ; SI-NEXT: ; implicit-def: $vgpr1 ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: s_cbranch_execz .LBB6_2 ; SI-NEXT: .LBB6_4: ; %cmp.true ; SI-NEXT: v_and_b32_e32 v0, 0xffff0000, v1 ; SI-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_bf16_to_i16: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; VI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; VI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; VI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; VI-NEXT: ; %bb.1: ; %cmp.true ; VI-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; VI-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; VI-NEXT: v_bfe_u32 v1, v0, 16, 1 ; VI-NEXT: v_add_u32_e32 v1, vcc, v1, v0 ; VI-NEXT: v_add_u32_e32 v1, vcc, 0x7fff, v1 ; VI-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; VI-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; VI-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; VI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; VI-NEXT: ; %bb.2: ; %end ; VI-NEXT: s_or_b64 exec, exec, s[4:5] ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_bf16_to_i16: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; GFX9-NEXT: s_and_saveexec_b64 s[4:5], vcc ; GFX9-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; GFX9-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; GFX9-NEXT: ; %bb.1: ; %cmp.true ; GFX9-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GFX9-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; GFX9-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX9-NEXT: s_movk_i32 s6, 0x7fff ; GFX9-NEXT: v_add3_u32 v1, v1, v0, s6 ; GFX9-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX9-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX9-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; GFX9-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX9-NEXT: ; %bb.2: ; %end ; GFX9-NEXT: s_or_b64 exec, exec, s[4:5] ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_bf16_to_i16: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: v_mov_b32_e32 v2, v0 ; GFX11-TRUE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr0_hi16 ; GFX11-TRUE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-TRUE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %cmp.false ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_2) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.h, v2.l ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr2 ; GFX11-TRUE16-NEXT: ; %bb.2: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-TRUE16-NEXT: s_cbranch_execz .LBB6_4 ; GFX11-TRUE16-NEXT: ; %bb.3: ; %cmp.true ; GFX11-TRUE16-NEXT: v_lshlrev_b32_e32 v0, 16, v2 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; GFX11-TRUE16-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX11-TRUE16-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX11-TRUE16-NEXT: v_cmp_u_f32_e32 vcc_lo, v0, v0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_add3_u32 v1, v1, v0, 0x7fff ; GFX11-TRUE16-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc_lo ; GFX11-TRUE16-NEXT: .LBB6_4: ; %end ; GFX11-TRUE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.l, v0.h ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_bf16_to_i16: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-FAKE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-FAKE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-FAKE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-FAKE16-NEXT: s_cbranch_execz .LBB6_2 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %cmp.true ; GFX11-FAKE16-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-FAKE16-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; GFX11-FAKE16-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX11-FAKE16-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX11-FAKE16-NEXT: v_cmp_u_f32_e32 vcc_lo, v0, v0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-FAKE16-NEXT: v_add3_u32 v1, v1, v0, 0x7fff ; GFX11-FAKE16-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc_lo ; GFX11-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-FAKE16-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX11-FAKE16-NEXT: .LBB6_2: ; %end ; GFX11-FAKE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd bfloat %a, 0xR40C0 %a2 = bitcast bfloat %a1 to i16 br label %end cmp.false: %a3 = bitcast bfloat %a to i16 br label %end end: %phi = phi i16 [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret i16 %phi } define inreg i16 @bitcast_bf16_to_i16_scalar(bfloat inreg %a, i32 inreg %b) #0 { ; SI-LABEL: bitcast_bf16_to_i16_scalar: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: s_lshl_b32 s4, s16, 16 ; SI-NEXT: s_cmp_lg_u32 s17, 0 ; SI-NEXT: v_mul_f32_e64 v1, 1.0, s4 ; SI-NEXT: s_cbranch_scc0 .LBB7_4 ; SI-NEXT: ; %bb.1: ; %cmp.false ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v1 ; SI-NEXT: s_cbranch_execnz .LBB7_3 ; SI-NEXT: .LBB7_2: ; %cmp.true ; SI-NEXT: v_and_b32_e32 v0, 0xffff0000, v1 ; SI-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: .LBB7_3: ; %end ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB7_4: ; SI-NEXT: ; implicit-def: $vgpr0 ; SI-NEXT: s_branch .LBB7_2 ; ; VI-LABEL: bitcast_bf16_to_i16_scalar: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s17, 0 ; VI-NEXT: s_cbranch_scc0 .LBB7_3 ; VI-NEXT: ; %bb.1: ; %cmp.false ; VI-NEXT: s_cbranch_execnz .LBB7_4 ; VI-NEXT: .LBB7_2: ; %cmp.true ; VI-NEXT: s_lshl_b32 s4, s16, 16 ; VI-NEXT: v_mov_b32_e32 v0, 0x40c00000 ; VI-NEXT: v_add_f32_e32 v0, s4, v0 ; VI-NEXT: v_bfe_u32 v1, v0, 16, 1 ; VI-NEXT: v_add_u32_e32 v1, vcc, v1, v0 ; VI-NEXT: v_add_u32_e32 v1, vcc, 0x7fff, v1 ; VI-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; VI-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; VI-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; VI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; VI-NEXT: s_setpc_b64 s[30:31] ; VI-NEXT: .LBB7_3: ; VI-NEXT: s_branch .LBB7_2 ; VI-NEXT: .LBB7_4: ; VI-NEXT: v_mov_b32_e32 v0, s16 ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_bf16_to_i16_scalar: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: s_cmp_lg_u32 s17, 0 ; GFX9-NEXT: s_cbranch_scc0 .LBB7_3 ; GFX9-NEXT: ; %bb.1: ; %cmp.false ; GFX9-NEXT: s_cbranch_execnz .LBB7_4 ; GFX9-NEXT: .LBB7_2: ; %cmp.true ; GFX9-NEXT: s_lshl_b32 s4, s16, 16 ; GFX9-NEXT: v_mov_b32_e32 v0, 0x40c00000 ; GFX9-NEXT: v_add_f32_e32 v0, s4, v0 ; GFX9-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX9-NEXT: v_add_u32_e32 v1, v1, v0 ; GFX9-NEXT: v_add_u32_e32 v1, 0x7fff, v1 ; GFX9-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX9-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX9-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; GFX9-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; GFX9-NEXT: .LBB7_3: ; GFX9-NEXT: s_branch .LBB7_2 ; GFX9-NEXT: .LBB7_4: ; GFX9-NEXT: v_mov_b32_e32 v0, s16 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-LABEL: bitcast_bf16_to_i16_scalar: ; GFX11: ; %bb.0: ; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-NEXT: s_mov_b32 s1, 0 ; GFX11-NEXT: s_cbranch_scc0 .LBB7_3 ; GFX11-NEXT: ; %bb.1: ; %Flow ; GFX11-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-NEXT: s_cbranch_vccnz .LBB7_4 ; GFX11-NEXT: .LBB7_2: ; %cmp.true ; GFX11-NEXT: s_lshl_b32 s0, s0, 16 ; GFX11-NEXT: s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-NEXT: v_add_f32_e64 v0, 0x40c00000, s0 ; GFX11-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX11-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX11-NEXT: v_cmp_u_f32_e32 vcc_lo, v0, v0 ; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-NEXT: v_add_nc_u32_e32 v1, v1, v0 ; GFX11-NEXT: v_add_nc_u32_e32 v1, 0x7fff, v1 ; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc_lo ; GFX11-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX11-NEXT: s_setpc_b64 s[30:31] ; GFX11-NEXT: .LBB7_3: ; GFX11-NEXT: s_branch .LBB7_2 ; GFX11-NEXT: .LBB7_4: ; GFX11-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd bfloat %a, 0xR40C0 %a2 = bitcast bfloat %a1 to i16 br label %end cmp.false: %a3 = bitcast bfloat %a to i16 br label %end end: %phi = phi i16 [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret i16 %phi } define bfloat @bitcast_f16_to_bf16(half %a, i32 %b) #0 { ; SI-LABEL: bitcast_f16_to_bf16: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; SI-NEXT: ; implicit-def: $vgpr1 ; SI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; SI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; SI-NEXT: ; %bb.1: ; %cmp.false ; SI-NEXT: v_lshlrev_b32_e32 v1, 16, v0 ; SI-NEXT: ; implicit-def: $vgpr0 ; SI-NEXT: ; %bb.2: ; %Flow ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: s_cbranch_execz .LBB8_4 ; SI-NEXT: ; %bb.3: ; %cmp.true ; SI-NEXT: v_cvt_f32_f16_e32 v0, v0 ; SI-NEXT: v_add_f32_e32 v0, 0x38000000, v0 ; SI-NEXT: v_cvt_f16_f32_e32 v0, v0 ; SI-NEXT: v_lshlrev_b32_e32 v1, 16, v0 ; SI-NEXT: .LBB8_4: ; %end ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: v_mul_f32_e32 v0, 1.0, v1 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_f16_to_bf16: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; VI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; VI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; VI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; VI-NEXT: ; %bb.1: ; %cmp.true ; VI-NEXT: v_add_f16_e32 v0, 0x200, v0 ; VI-NEXT: ; %bb.2: ; %end ; VI-NEXT: s_or_b64 exec, exec, s[4:5] ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_f16_to_bf16: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; GFX9-NEXT: s_and_saveexec_b64 s[4:5], vcc ; GFX9-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; GFX9-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; GFX9-NEXT: ; %bb.1: ; %cmp.true ; GFX9-NEXT: v_add_f16_e32 v0, 0x200, v0 ; GFX9-NEXT: ; %bb.2: ; %end ; GFX9-NEXT: s_or_b64 exec, exec, s[4:5] ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_f16_to_bf16: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: v_cmp_ne_u32_e32 vcc_lo, 0, v1 ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr1_lo16 ; GFX11-TRUE16-NEXT: s_and_saveexec_b32 s0, vcc_lo ; GFX11-TRUE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-TRUE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %cmp.false ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v1.l, v0.l ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr0 ; GFX11-TRUE16-NEXT: ; %bb.2: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-TRUE16-NEXT: s_cbranch_execz .LBB8_4 ; GFX11-TRUE16-NEXT: ; %bb.3: ; %cmp.true ; GFX11-TRUE16-NEXT: v_add_f16_e32 v1.l, 0x200, v0.l ; GFX11-TRUE16-NEXT: .LBB8_4: ; %end ; GFX11-TRUE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.l, v1.l ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_f16_to_bf16: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-FAKE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-FAKE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-FAKE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %cmp.true ; GFX11-FAKE16-NEXT: v_add_f16_e32 v0, 0x200, v0 ; GFX11-FAKE16-NEXT: ; %bb.2: ; %end ; GFX11-FAKE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd half %a, 0xH0200 %a2 = bitcast half %a1 to bfloat br label %end cmp.false: %a3 = bitcast half %a to bfloat br label %end end: %phi = phi bfloat [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret bfloat %phi } define inreg bfloat @bitcast_f16_to_bf16_scalar(half inreg %a, i32 inreg %b) #0 { ; SI-LABEL: bitcast_f16_to_bf16_scalar: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: s_cmp_lg_u32 s17, 0 ; SI-NEXT: s_cbranch_scc0 .LBB9_3 ; SI-NEXT: ; %bb.1: ; %cmp.false ; SI-NEXT: s_lshl_b32 s6, s16, 16 ; SI-NEXT: s_cbranch_execnz .LBB9_4 ; SI-NEXT: .LBB9_2: ; %cmp.true ; SI-NEXT: v_cvt_f32_f16_e32 v0, s16 ; SI-NEXT: v_add_f32_e32 v0, 0x38000000, v0 ; SI-NEXT: v_cvt_f16_f32_e32 v0, v0 ; SI-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_branch .LBB9_5 ; SI-NEXT: .LBB9_3: ; SI-NEXT: ; implicit-def: $sgpr6 ; SI-NEXT: s_branch .LBB9_2 ; SI-NEXT: .LBB9_4: ; SI-NEXT: v_mov_b32_e32 v0, s6 ; SI-NEXT: .LBB9_5: ; %end ; SI-NEXT: v_mul_f32_e32 v0, 1.0, v0 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_f16_to_bf16_scalar: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s17, 0 ; VI-NEXT: s_cbranch_scc0 .LBB9_3 ; VI-NEXT: ; %bb.1: ; %cmp.false ; VI-NEXT: s_cbranch_execnz .LBB9_4 ; VI-NEXT: .LBB9_2: ; %cmp.true ; VI-NEXT: v_mov_b32_e32 v0, 0x200 ; VI-NEXT: v_add_f16_e32 v0, s16, v0 ; VI-NEXT: s_setpc_b64 s[30:31] ; VI-NEXT: .LBB9_3: ; VI-NEXT: s_branch .LBB9_2 ; VI-NEXT: .LBB9_4: ; VI-NEXT: v_mov_b32_e32 v0, s16 ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_f16_to_bf16_scalar: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: s_cmp_lg_u32 s17, 0 ; GFX9-NEXT: s_cbranch_scc0 .LBB9_3 ; GFX9-NEXT: ; %bb.1: ; %cmp.false ; GFX9-NEXT: s_cbranch_execnz .LBB9_4 ; GFX9-NEXT: .LBB9_2: ; %cmp.true ; GFX9-NEXT: v_mov_b32_e32 v0, 0x200 ; GFX9-NEXT: v_add_f16_e32 v0, s16, v0 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; GFX9-NEXT: .LBB9_3: ; GFX9-NEXT: s_branch .LBB9_2 ; GFX9-NEXT: .LBB9_4: ; GFX9-NEXT: v_mov_b32_e32 v0, s16 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_f16_to_bf16_scalar: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-TRUE16-NEXT: s_mov_b32 s1, 0 ; GFX11-TRUE16-NEXT: s_cbranch_scc0 .LBB9_3 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-TRUE16-NEXT: s_cbranch_vccnz .LBB9_4 ; GFX11-TRUE16-NEXT: .LBB9_2: ; %cmp.true ; GFX11-TRUE16-NEXT: v_add_f16_e64 v0.l, 0x200, s0 ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; GFX11-TRUE16-NEXT: .LBB9_3: ; GFX11-TRUE16-NEXT: s_branch .LBB9_2 ; GFX11-TRUE16-NEXT: .LBB9_4: ; GFX11-TRUE16-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_f16_to_bf16_scalar: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-FAKE16-NEXT: s_mov_b32 s1, 0 ; GFX11-FAKE16-NEXT: s_cbranch_scc0 .LBB9_3 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %Flow ; GFX11-FAKE16-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-FAKE16-NEXT: s_cbranch_vccnz .LBB9_4 ; GFX11-FAKE16-NEXT: .LBB9_2: ; %cmp.true ; GFX11-FAKE16-NEXT: v_add_f16_e64 v0, 0x200, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] ; GFX11-FAKE16-NEXT: .LBB9_3: ; GFX11-FAKE16-NEXT: s_branch .LBB9_2 ; GFX11-FAKE16-NEXT: .LBB9_4: ; GFX11-FAKE16-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd half %a, 0xH0200 %a2 = bitcast half %a1 to bfloat br label %end cmp.false: %a3 = bitcast half %a to bfloat br label %end end: %phi = phi bfloat [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret bfloat %phi } define half @bitcast_bf16_to_f16(bfloat %a, i32 %b) #0 { ; SI-LABEL: bitcast_bf16_to_f16: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; SI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; SI-NEXT: v_mul_f32_e32 v1, 1.0, v0 ; SI-NEXT: ; implicit-def: $vgpr0 ; SI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; SI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; SI-NEXT: s_cbranch_execnz .LBB10_3 ; SI-NEXT: ; %bb.1: ; %Flow ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: s_cbranch_execnz .LBB10_4 ; SI-NEXT: .LBB10_2: ; %end ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB10_3: ; %cmp.false ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v1 ; SI-NEXT: ; implicit-def: $vgpr1 ; SI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; SI-NEXT: s_cbranch_execz .LBB10_2 ; SI-NEXT: .LBB10_4: ; %cmp.true ; SI-NEXT: v_and_b32_e32 v0, 0xffff0000, v1 ; SI-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: s_or_b64 exec, exec, s[4:5] ; SI-NEXT: s_setpc_b64 s[30:31] ; ; VI-LABEL: bitcast_bf16_to_f16: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; VI-NEXT: s_and_saveexec_b64 s[4:5], vcc ; VI-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; VI-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; VI-NEXT: ; %bb.1: ; %cmp.true ; VI-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; VI-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; VI-NEXT: v_bfe_u32 v1, v0, 16, 1 ; VI-NEXT: v_add_u32_e32 v1, vcc, v1, v0 ; VI-NEXT: v_add_u32_e32 v1, vcc, 0x7fff, v1 ; VI-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; VI-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; VI-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; VI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; VI-NEXT: ; %bb.2: ; %end ; VI-NEXT: s_or_b64 exec, exec, s[4:5] ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_bf16_to_f16: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: v_cmp_ne_u32_e32 vcc, 0, v1 ; GFX9-NEXT: s_and_saveexec_b64 s[4:5], vcc ; GFX9-NEXT: s_xor_b64 s[4:5], exec, s[4:5] ; GFX9-NEXT: s_andn2_saveexec_b64 s[4:5], s[4:5] ; GFX9-NEXT: ; %bb.1: ; %cmp.true ; GFX9-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GFX9-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; GFX9-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX9-NEXT: s_movk_i32 s6, 0x7fff ; GFX9-NEXT: v_add3_u32 v1, v1, v0, s6 ; GFX9-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX9-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX9-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; GFX9-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX9-NEXT: ; %bb.2: ; %end ; GFX9-NEXT: s_or_b64 exec, exec, s[4:5] ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-TRUE16-LABEL: bitcast_bf16_to_f16: ; GFX11-TRUE16: ; %bb.0: ; GFX11-TRUE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-TRUE16-NEXT: v_mov_b32_e32 v2, v0 ; GFX11-TRUE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr0_hi16 ; GFX11-TRUE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-TRUE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-TRUE16-NEXT: ; %bb.1: ; %cmp.false ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_2) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.h, v2.l ; GFX11-TRUE16-NEXT: ; implicit-def: $vgpr2 ; GFX11-TRUE16-NEXT: ; %bb.2: ; %Flow ; GFX11-TRUE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-TRUE16-NEXT: s_cbranch_execz .LBB10_4 ; GFX11-TRUE16-NEXT: ; %bb.3: ; %cmp.true ; GFX11-TRUE16-NEXT: v_lshlrev_b32_e32 v0, 16, v2 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; GFX11-TRUE16-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX11-TRUE16-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX11-TRUE16-NEXT: v_cmp_u_f32_e32 vcc_lo, v0, v0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_add3_u32 v1, v1, v0, 0x7fff ; GFX11-TRUE16-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc_lo ; GFX11-TRUE16-NEXT: .LBB10_4: ; %end ; GFX11-TRUE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-TRUE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-TRUE16-NEXT: v_mov_b16_e32 v0.l, v0.h ; GFX11-TRUE16-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-FAKE16-LABEL: bitcast_bf16_to_f16: ; GFX11-FAKE16: ; %bb.0: ; GFX11-FAKE16-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-FAKE16-NEXT: s_mov_b32 s0, exec_lo ; GFX11-FAKE16-NEXT: v_cmpx_ne_u32_e32 0, v1 ; GFX11-FAKE16-NEXT: s_xor_b32 s0, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(SALU_CYCLE_1) ; GFX11-FAKE16-NEXT: s_and_not1_saveexec_b32 s0, s0 ; GFX11-FAKE16-NEXT: s_cbranch_execz .LBB10_2 ; GFX11-FAKE16-NEXT: ; %bb.1: ; %cmp.true ; GFX11-FAKE16-NEXT: v_lshlrev_b32_e32 v0, 16, v0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-FAKE16-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; GFX11-FAKE16-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX11-FAKE16-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX11-FAKE16-NEXT: v_cmp_u_f32_e32 vcc_lo, v0, v0 ; GFX11-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-FAKE16-NEXT: v_add3_u32 v1, v1, v0, 0x7fff ; GFX11-FAKE16-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc_lo ; GFX11-FAKE16-NEXT: s_delay_alu instid0(VALU_DEP_1) ; GFX11-FAKE16-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX11-FAKE16-NEXT: .LBB10_2: ; %end ; GFX11-FAKE16-NEXT: s_or_b32 exec_lo, exec_lo, s0 ; GFX11-FAKE16-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd bfloat %a, 0xR40C0 %a2 = bitcast bfloat %a1 to half br label %end cmp.false: %a3 = bitcast bfloat %a to half br label %end end: %phi = phi half [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret half %phi } define inreg half @bitcast_bf16_to_f16_scalar(bfloat inreg %a, i32 inreg %b) #0 { ; SI-LABEL: bitcast_bf16_to_f16_scalar: ; SI: ; %bb.0: ; SI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; SI-NEXT: s_lshl_b32 s4, s16, 16 ; SI-NEXT: s_cmp_lg_u32 s17, 0 ; SI-NEXT: v_mul_f32_e64 v1, 1.0, s4 ; SI-NEXT: s_cbranch_scc0 .LBB11_4 ; SI-NEXT: ; %bb.1: ; %cmp.false ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v1 ; SI-NEXT: s_cbranch_execnz .LBB11_3 ; SI-NEXT: .LBB11_2: ; %cmp.true ; SI-NEXT: v_and_b32_e32 v0, 0xffff0000, v1 ; SI-NEXT: v_add_f32_e32 v0, 0x40c00000, v0 ; SI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; SI-NEXT: .LBB11_3: ; %end ; SI-NEXT: s_setpc_b64 s[30:31] ; SI-NEXT: .LBB11_4: ; SI-NEXT: ; implicit-def: $vgpr0 ; SI-NEXT: s_branch .LBB11_2 ; ; VI-LABEL: bitcast_bf16_to_f16_scalar: ; VI: ; %bb.0: ; VI-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; VI-NEXT: s_cmp_lg_u32 s17, 0 ; VI-NEXT: s_cbranch_scc0 .LBB11_3 ; VI-NEXT: ; %bb.1: ; %cmp.false ; VI-NEXT: s_cbranch_execnz .LBB11_4 ; VI-NEXT: .LBB11_2: ; %cmp.true ; VI-NEXT: s_lshl_b32 s4, s16, 16 ; VI-NEXT: v_mov_b32_e32 v0, 0x40c00000 ; VI-NEXT: v_add_f32_e32 v0, s4, v0 ; VI-NEXT: v_bfe_u32 v1, v0, 16, 1 ; VI-NEXT: v_add_u32_e32 v1, vcc, v1, v0 ; VI-NEXT: v_add_u32_e32 v1, vcc, 0x7fff, v1 ; VI-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; VI-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; VI-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; VI-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; VI-NEXT: s_setpc_b64 s[30:31] ; VI-NEXT: .LBB11_3: ; VI-NEXT: s_branch .LBB11_2 ; VI-NEXT: .LBB11_4: ; VI-NEXT: v_mov_b32_e32 v0, s16 ; VI-NEXT: s_setpc_b64 s[30:31] ; ; GFX9-LABEL: bitcast_bf16_to_f16_scalar: ; GFX9: ; %bb.0: ; GFX9-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX9-NEXT: s_cmp_lg_u32 s17, 0 ; GFX9-NEXT: s_cbranch_scc0 .LBB11_3 ; GFX9-NEXT: ; %bb.1: ; %cmp.false ; GFX9-NEXT: s_cbranch_execnz .LBB11_4 ; GFX9-NEXT: .LBB11_2: ; %cmp.true ; GFX9-NEXT: s_lshl_b32 s4, s16, 16 ; GFX9-NEXT: v_mov_b32_e32 v0, 0x40c00000 ; GFX9-NEXT: v_add_f32_e32 v0, s4, v0 ; GFX9-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX9-NEXT: v_add_u32_e32 v1, v1, v0 ; GFX9-NEXT: v_add_u32_e32 v1, 0x7fff, v1 ; GFX9-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX9-NEXT: v_cmp_u_f32_e32 vcc, v0, v0 ; GFX9-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc ; GFX9-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; GFX9-NEXT: .LBB11_3: ; GFX9-NEXT: s_branch .LBB11_2 ; GFX9-NEXT: .LBB11_4: ; GFX9-NEXT: v_mov_b32_e32 v0, s16 ; GFX9-NEXT: s_setpc_b64 s[30:31] ; ; GFX11-LABEL: bitcast_bf16_to_f16_scalar: ; GFX11: ; %bb.0: ; GFX11-NEXT: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0) ; GFX11-NEXT: s_cmp_lg_u32 s1, 0 ; GFX11-NEXT: s_mov_b32 s1, 0 ; GFX11-NEXT: s_cbranch_scc0 .LBB11_3 ; GFX11-NEXT: ; %bb.1: ; %Flow ; GFX11-NEXT: s_and_not1_b32 vcc_lo, exec_lo, s1 ; GFX11-NEXT: s_cbranch_vccnz .LBB11_4 ; GFX11-NEXT: .LBB11_2: ; %cmp.true ; GFX11-NEXT: s_lshl_b32 s0, s0, 16 ; GFX11-NEXT: s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-NEXT: v_add_f32_e64 v0, 0x40c00000, s0 ; GFX11-NEXT: v_bfe_u32 v1, v0, 16, 1 ; GFX11-NEXT: v_or_b32_e32 v2, 0x400000, v0 ; GFX11-NEXT: v_cmp_u_f32_e32 vcc_lo, v0, v0 ; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-NEXT: v_add_nc_u32_e32 v1, v1, v0 ; GFX11-NEXT: v_add_nc_u32_e32 v1, 0x7fff, v1 ; GFX11-NEXT: s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1) ; GFX11-NEXT: v_cndmask_b32_e32 v0, v1, v2, vcc_lo ; GFX11-NEXT: v_lshrrev_b32_e32 v0, 16, v0 ; GFX11-NEXT: s_setpc_b64 s[30:31] ; GFX11-NEXT: .LBB11_3: ; GFX11-NEXT: s_branch .LBB11_2 ; GFX11-NEXT: .LBB11_4: ; GFX11-NEXT: v_mov_b32_e32 v0, s0 ; GFX11-NEXT: s_setpc_b64 s[30:31] %cmp = icmp eq i32 %b, 0 br i1 %cmp, label %cmp.true, label %cmp.false cmp.true: %a1 = fadd bfloat %a, 0xR40C0 %a2 = bitcast bfloat %a1 to half br label %end cmp.false: %a3 = bitcast bfloat %a to half br label %end end: %phi = phi half [ %a2, %cmp.true ], [ %a3, %cmp.false ] ret half %phi } attributes #0 = { nounwind }