1 ; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 2 ; RUN: llc -march=amdgcn -mcpu=tonga < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 3 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s 4 5 ; FUNC-LABEL: {{^}}round_f32: 6 ; SI-DAG: s_load_dword [[SX:s[0-9]+]] 7 ; SI-DAG: s_mov_b32 [[K:s[0-9]+]], 0x7fffffff 8 ; SI: v_trunc_f32_e32 [[TRUNC:v[0-9]+]], [[SX]] 9 ; SI: v_sub_f32_e32 [[SUB:v[0-9]+]], [[SX]], [[TRUNC]] 10 ; SI: v_mov_b32_e32 [[VX:v[0-9]+]], [[SX]] 11 ; SI: v_bfi_b32 [[COPYSIGN:v[0-9]+]], [[K]], 1.0, [[VX]] 12 ; SI: v_cmp_le_f32_e64 vcc, 0.5, |[[SUB]]| 13 ; SI: v_cndmask_b32_e32 [[SEL:v[0-9]+]], 0, [[VX]] 14 ; SI: v_add_f32_e32 [[RESULT:v[0-9]+]], [[SEL]], [[TRUNC]] 15 ; SI: buffer_store_dword [[RESULT]] 16 17 ; R600: TRUNC {{.*}}, [[ARG:KC[0-9]\[[0-9]+\]\.[XYZW]]] 18 ; R600-DAG: ADD {{.*}}, 19 ; R600-DAG: BFI_INT 20 ; R600-DAG: SETGE 21 ; R600-DAG: CNDE 22 ; R600-DAG: ADD 23 define void @round_f32(float addrspace(1)* %out, float %x) #0 { 24 %result = call float @llvm.round.f32(float %x) #1 25 store float %result, float addrspace(1)* %out 26 ret void 27 } 28 29 ; The vector tests are really difficult to verify, since it can be hard to 30 ; predict how the scheduler will order the instructions. We already have 31 ; a test for the scalar case, so the vector tests just check that the 32 ; compiler doesn't crash. 33 34 ; FUNC-LABEL: {{^}}round_v2f32: 35 ; SI: s_endpgm 36 ; R600: CF_END 37 define void @round_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) #0 { 38 %result = call <2 x float> @llvm.round.v2f32(<2 x float> %in) #1 39 store <2 x float> %result, <2 x float> addrspace(1)* %out 40 ret void 41 } 42 43 ; FUNC-LABEL: {{^}}round_v4f32: 44 ; SI: s_endpgm 45 ; R600: CF_END 46 define void @round_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) #0 { 47 %result = call <4 x float> @llvm.round.v4f32(<4 x float> %in) #1 48 store <4 x float> %result, <4 x float> addrspace(1)* %out 49 ret void 50 } 51 52 ; FUNC-LABEL: {{^}}round_v8f32: 53 ; SI: s_endpgm 54 ; R600: CF_END 55 define void @round_v8f32(<8 x float> addrspace(1)* %out, <8 x float> %in) #0 { 56 %result = call <8 x float> @llvm.round.v8f32(<8 x float> %in) #1 57 store <8 x float> %result, <8 x float> addrspace(1)* %out 58 ret void 59 } 60 61 declare float @llvm.round.f32(float) #1 62 declare <2 x float> @llvm.round.v2f32(<2 x float>) #1 63 declare <4 x float> @llvm.round.v4f32(<4 x float>) #1 64 declare <8 x float> @llvm.round.v8f32(<8 x float>) #1 65 66 attributes #0 = { nounwind } 67 attributes #1 = { nounwind readnone } 68
