; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc -global-isel=0 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -mattr=+real-true16 < %s | FileCheck -check-prefix=SDAG-TRUE16 %s ; RUN: llc -global-isel=0 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -mattr=-real-true16 < %s | FileCheck -check-prefix=SDAG-FAKE16 %s ; xUN: llc -global-isel=1 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -mattr=+real-true16 < %s | FileCheck -check-prefix=GI-TRUE16 %s ; xUN: llc -global-isel=1 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 -mattr=-real-true16 < %s | FileCheck -check-prefix=GI-FAKE16 %s ; FIXME: GlobalISel does not work with bf16 declare bfloat @llvm.amdgcn.rcp.bf16(bfloat) #0 define amdgpu_kernel void @rcp_bf16(ptr addrspace(1) %out, bfloat %src) #1 { ; SDAG-TRUE16-LABEL: rcp_bf16: ; SDAG-TRUE16: ; %bb.0: ; SDAG-TRUE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-TRUE16-NEXT: v_nop ; SDAG-TRUE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-TRUE16-NEXT: s_load_b96 s[0:2], s[4:5], 0x0 nv ; SDAG-TRUE16-NEXT: v_mov_b32_e32 v1, 0 ; SDAG-TRUE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-TRUE16-NEXT: v_rcp_bf16_e32 v0.l, s2 ; SDAG-TRUE16-NEXT: global_store_b16 v1, v0, s[0:1] ; SDAG-TRUE16-NEXT: s_endpgm ; ; SDAG-FAKE16-LABEL: rcp_bf16: ; SDAG-FAKE16: ; %bb.0: ; SDAG-FAKE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-FAKE16-NEXT: v_nop ; SDAG-FAKE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-FAKE16-NEXT: s_load_b96 s[0:2], s[4:5], 0x0 nv ; SDAG-FAKE16-NEXT: v_mov_b32_e32 v1, 0 ; SDAG-FAKE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-FAKE16-NEXT: v_rcp_bf16_e32 v0, s2 ; SDAG-FAKE16-NEXT: global_store_b16 v1, v0, s[0:1] ; SDAG-FAKE16-NEXT: s_endpgm %rcp = call bfloat @llvm.amdgcn.rcp.bf16(bfloat %src) #0 store bfloat %rcp, ptr addrspace(1) %out, align 2 ret void } define amdgpu_kernel void @rcp_bf16_constant_4(ptr addrspace(1) %out) #1 { ; SDAG-TRUE16-LABEL: rcp_bf16_constant_4: ; SDAG-TRUE16: ; %bb.0: ; SDAG-TRUE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-TRUE16-NEXT: v_nop ; SDAG-TRUE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-TRUE16-NEXT: s_load_b64 s[0:1], s[4:5], 0x0 nv ; SDAG-TRUE16-NEXT: v_mov_b32_e32 v1, 0 ; SDAG-TRUE16-NEXT: v_mov_b16_e32 v0.l, 0x3e80 ; SDAG-TRUE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-TRUE16-NEXT: global_store_b16 v1, v0, s[0:1] ; SDAG-TRUE16-NEXT: s_endpgm ; ; SDAG-FAKE16-LABEL: rcp_bf16_constant_4: ; SDAG-FAKE16: ; %bb.0: ; SDAG-FAKE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-FAKE16-NEXT: v_nop ; SDAG-FAKE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-FAKE16-NEXT: s_load_b64 s[0:1], s[4:5], 0x0 nv ; SDAG-FAKE16-NEXT: v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, 0x3e80 ; SDAG-FAKE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-FAKE16-NEXT: global_store_b16 v0, v1, s[0:1] ; SDAG-FAKE16-NEXT: s_endpgm %rcp = call bfloat @llvm.amdgcn.rcp.bf16(bfloat 4.0) #0 store bfloat %rcp, ptr addrspace(1) %out, align 2 ret void } define amdgpu_kernel void @rcp_bf16_constant_100(ptr addrspace(1) %out) #1 { ; SDAG-TRUE16-LABEL: rcp_bf16_constant_100: ; SDAG-TRUE16: ; %bb.0: ; SDAG-TRUE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-TRUE16-NEXT: v_nop ; SDAG-TRUE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-TRUE16-NEXT: s_load_b64 s[0:1], s[4:5], 0x0 nv ; SDAG-TRUE16-NEXT: v_mov_b32_e32 v1, 0 ; SDAG-TRUE16-NEXT: v_mov_b16_e32 v0.l, 0x3c24 ; SDAG-TRUE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-TRUE16-NEXT: global_store_b16 v1, v0, s[0:1] ; SDAG-TRUE16-NEXT: s_endpgm ; ; SDAG-FAKE16-LABEL: rcp_bf16_constant_100: ; SDAG-FAKE16: ; %bb.0: ; SDAG-FAKE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-FAKE16-NEXT: v_nop ; SDAG-FAKE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-FAKE16-NEXT: s_load_b64 s[0:1], s[4:5], 0x0 nv ; SDAG-FAKE16-NEXT: v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, 0x3c24 ; SDAG-FAKE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-FAKE16-NEXT: global_store_b16 v0, v1, s[0:1] ; SDAG-FAKE16-NEXT: s_endpgm %rcp = call bfloat @llvm.amdgcn.rcp.bf16(bfloat 100.0) #0 store bfloat %rcp, ptr addrspace(1) %out, align 2 ret void } define amdgpu_kernel void @rcp_undef_bf16(ptr addrspace(1) %out) #1 { ; SDAG-TRUE16-LABEL: rcp_undef_bf16: ; SDAG-TRUE16: ; %bb.0: ; SDAG-TRUE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-TRUE16-NEXT: v_nop ; SDAG-TRUE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-TRUE16-NEXT: s_load_b64 s[0:1], s[4:5], 0x0 nv ; SDAG-TRUE16-NEXT: v_mov_b32_e32 v1, 0 ; SDAG-TRUE16-NEXT: v_mov_b16_e32 v0.l, 0x7fc0 ; SDAG-TRUE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-TRUE16-NEXT: global_store_b16 v1, v0, s[0:1] ; SDAG-TRUE16-NEXT: s_endpgm ; ; SDAG-FAKE16-LABEL: rcp_undef_bf16: ; SDAG-FAKE16: ; %bb.0: ; SDAG-FAKE16-NEXT: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE ; SDAG-FAKE16-NEXT: v_nop ; SDAG-FAKE16-NEXT: s_setreg_imm32_b32 hwreg(HW_REG_WAVE_MODE, 25, 1), 1 ; msbs: dst=0 src0=0 src1=0 src2=0 ; SDAG-FAKE16-NEXT: s_load_b64 s[0:1], s[4:5], 0x0 nv ; SDAG-FAKE16-NEXT: v_dual_mov_b32 v0, 0 :: v_dual_mov_b32 v1, 0x7fc0 ; SDAG-FAKE16-NEXT: s_wait_kmcnt 0x0 ; SDAG-FAKE16-NEXT: global_store_b16 v0, v1, s[0:1] ; SDAG-FAKE16-NEXT: s_endpgm %rcp = call bfloat @llvm.amdgcn.rcp.bf16(bfloat undef) store bfloat %rcp, ptr addrspace(1) %out, align 2 ret void } attributes #0 = { nounwind readnone } attributes #1 = { nounwind }