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1; RUN: llc -mtriple=amdgcn -mcpu=hawaii < %s | FileCheck -check-prefix=CI -check-prefix=GCN %s2; RUN: llc -mtriple=amdgcn -mcpu=tahiti < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s3; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck -check-prefix=CI -check-prefix=GCN %s4 5 6; GCN-LABEL: {{^}}fdiv_f64:7; GCN-DAG: buffer_load_dwordx2 [[NUM:v\[[0-9]+:[0-9]+\]]], off, {{s\[[0-9]+:[0-9]+\]}}, 08; GCN-DAG: buffer_load_dwordx2 [[DEN:v\[[0-9]+:[0-9]+\]]], off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:89; CI-DAG: v_div_scale_f64 [[SCALE0:v\[[0-9]+:[0-9]+\]]], {{s\[[0-9]+:[0-9]+\]}}, [[DEN]], [[DEN]], [[NUM]]10; CI-DAG: v_div_scale_f64 [[SCALE1:v\[[0-9]+:[0-9]+\]]], vcc, [[NUM]], [[DEN]], [[NUM]]11 12; Check for div_scale bug workaround on SI13; SI-DAG: v_div_scale_f64 [[SCALE0:v\[[0-9]+:[0-9]+\]]], {{s\[[0-9]+:[0-9]+\]}}, [[DEN]], [[DEN]], [[NUM]]14; SI-DAG: v_div_scale_f64 [[SCALE1:v\[[0-9]+:[0-9]+\]]], {{s\[[0-9]+:[0-9]+\]}}, [[NUM]], [[DEN]], [[NUM]]15 16; GCN-DAG: v_rcp_f64_e32 [[RCP_SCALE0:v\[[0-9]+:[0-9]+\]]], [[SCALE0]]17 18; SI-DAG: v_cmp_eq_u32_e32 vcc, {{v[0-9]+}}, {{v[0-9]+}}19; SI-DAG: v_cmp_eq_u32_e64 [[CMP0:s\[[0-9]+:[0-9]+\]]], {{v[0-9]+}}, {{v[0-9]+}}20; SI-DAG: s_xor_b64 vcc, [[CMP0]], vcc21 22; GCN-DAG: v_fma_f64 [[FMA0:v\[[0-9]+:[0-9]+\]]], -[[SCALE0]], [[RCP_SCALE0]], 1.023; GCN-DAG: v_fma_f64 [[FMA1:v\[[0-9]+:[0-9]+\]]], [[RCP_SCALE0]], [[FMA0]], [[RCP_SCALE0]]24; GCN-DAG: v_fma_f64 [[FMA2:v\[[0-9]+:[0-9]+\]]], -[[SCALE0]], [[FMA1]], 1.025; GCN-DAG: v_fma_f64 [[FMA3:v\[[0-9]+:[0-9]+\]]], [[FMA1]], [[FMA2]], [[FMA1]]26; GCN-DAG: v_mul_f64 [[MUL:v\[[0-9]+:[0-9]+\]]], [[SCALE1]], [[FMA3]]27; GCN-DAG: v_fma_f64 [[FMA4:v\[[0-9]+:[0-9]+\]]], -[[SCALE0]], [[MUL]], [[SCALE1]]28; GCN: v_div_fmas_f64 [[FMAS:v\[[0-9]+:[0-9]+\]]], [[FMA4]], [[FMA3]], [[MUL]]29; GCN: v_div_fixup_f64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[FMAS]], [[DEN]], [[NUM]]30; GCN: buffer_store_dwordx2 [[RESULT]]31; GCN: s_endpgm32define amdgpu_kernel void @fdiv_f64(ptr addrspace(1) %out, ptr addrspace(1) %in) #0 {33 %gep.1 = getelementptr double, ptr addrspace(1) %in, i32 134 %num = load volatile double, ptr addrspace(1) %in35 %den = load volatile double, ptr addrspace(1) %gep.136 %result = fdiv double %num, %den37 store double %result, ptr addrspace(1) %out38 ret void39}40 41; GCN-LABEL: {{^}}v_fdiv_f64_afn:42; GCN: v_rcp_f64_e32 v[4:5], v[2:3]43; GCN: v_fma_f64 v[6:7], -v[2:3], v[4:5], 1.044; GCN: v_fma_f64 v[4:5], v[6:7], v[4:5], v[4:5]45; GCN: v_fma_f64 v[6:7], -v[2:3], v[4:5], 1.046; GCN: v_fma_f64 v[4:5], v[6:7], v[4:5], v[4:5]47; GCN: v_mul_f64 v[6:7], v[0:1], v[4:5]48; GCN: v_fma_f64 v[0:1], -v[2:3], v[6:7], v[0:1]49; GCN: v_fma_f64 v[0:1], v[0:1], v[4:5], v[6:7]50; GCN: s_setpc_b6451define double @v_fdiv_f64_afn(double %x, double %y) #0 {52 %result = fdiv afn double %x, %y53 ret double %result54}55 56; GCN-LABEL: {{^}}v_rcp_f64_afn:57; GCN: v_rcp_f64_e32 v[2:3], v[0:1]58; GCN: v_fma_f64 v[4:5], -v[0:1], v[2:3], 1.059; GCN: v_fma_f64 v[2:3], v[4:5], v[2:3], v[2:3]60; GCN: v_fma_f64 v[4:5], -v[0:1], v[2:3], 1.061; GCN: v_fma_f64 v[2:3], v[4:5], v[2:3], v[2:3]62; GCN: v_fma_f64 v[0:1], -v[0:1], v[2:3], 1.063; GCN: v_fma_f64 v[0:1], v[0:1], v[2:3], v[2:3]64; GCN: s_setpc_b6465define double @v_rcp_f64_afn(double %x) #0 {66 %result = fdiv afn double 1.0, %x67 ret double %result68}69 70; GCN-LABEL: {{^}}fdiv_f64_s_v:71define amdgpu_kernel void @fdiv_f64_s_v(ptr addrspace(1) %out, ptr addrspace(1) %in, double %num) #0 {72 %den = load double, ptr addrspace(1) %in73 %result = fdiv double %num, %den74 store double %result, ptr addrspace(1) %out75 ret void76}77 78; GCN-LABEL: {{^}}fdiv_f64_v_s:79define amdgpu_kernel void @fdiv_f64_v_s(ptr addrspace(1) %out, ptr addrspace(1) %in, double %den) #0 {80 %num = load double, ptr addrspace(1) %in81 %result = fdiv double %num, %den82 store double %result, ptr addrspace(1) %out83 ret void84}85 86; GCN-LABEL: {{^}}fdiv_f64_s_s:87define amdgpu_kernel void @fdiv_f64_s_s(ptr addrspace(1) %out, double %num, double %den) #0 {88 %result = fdiv double %num, %den89 store double %result, ptr addrspace(1) %out90 ret void91}92 93; GCN-LABEL: {{^}}v_fdiv_v2f64:94define amdgpu_kernel void @v_fdiv_v2f64(ptr addrspace(1) %out, ptr addrspace(1) %in) #0 {95 %gep.1 = getelementptr <2 x double>, ptr addrspace(1) %in, i32 196 %num = load <2 x double>, ptr addrspace(1) %in97 %den = load <2 x double>, ptr addrspace(1) %gep.198 %result = fdiv <2 x double> %num, %den99 store <2 x double> %result, ptr addrspace(1) %out100 ret void101}102 103; GCN-LABEL: {{^}}s_fdiv_v2f64:104define amdgpu_kernel void @s_fdiv_v2f64(ptr addrspace(1) %out, <2 x double> %num, <2 x double> %den) {105 %result = fdiv <2 x double> %num, %den106 store <2 x double> %result, ptr addrspace(1) %out107 ret void108}109 110; GCN-LABEL: {{^}}v_fdiv_v4f64:111define amdgpu_kernel void @v_fdiv_v4f64(ptr addrspace(1) %out, ptr addrspace(1) %in) #0 {112 %gep.1 = getelementptr <4 x double>, ptr addrspace(1) %in, i32 1113 %num = load <4 x double>, ptr addrspace(1) %in114 %den = load <4 x double>, ptr addrspace(1) %gep.1115 %result = fdiv <4 x double> %num, %den116 store <4 x double> %result, ptr addrspace(1) %out117 ret void118}119 120; GCN-LABEL: {{^}}s_fdiv_v4f64:121define amdgpu_kernel void @s_fdiv_v4f64(ptr addrspace(1) %out, <4 x double> %num, <4 x double> %den) #0 {122 %result = fdiv <4 x double> %num, %den123 store <4 x double> %result, ptr addrspace(1) %out124 ret void125}126 127; GCN-LABEL: {{^}}div_fast_2_x_pat_f64:128; GCN: v_mul_f64 [[MUL:v\[[0-9]+:[0-9]+\]]], s{{\[[0-9]+:[0-9]+\]}}, 0.5129; GCN: buffer_store_dwordx2 [[MUL]]130define amdgpu_kernel void @div_fast_2_x_pat_f64(ptr addrspace(1) %out) #0 {131 %x = load double, ptr addrspace(1) poison132 %rcp = fdiv fast double %x, 2.0133 store double %rcp, ptr addrspace(1) %out, align 4134 ret void135}136 137; GCN-LABEL: {{^}}div_fast_k_x_pat_f64:138; GCN-DAG: v_mov_b32_e32 v[[K_LO:[0-9]+]], 0x9999999a139; GCN-DAG: v_mov_b32_e32 v[[K_HI:[0-9]+]], 0x3fb99999140; GCN: v_mul_f64 [[MUL:v\[[0-9]+:[0-9]+\]]], s{{\[[0-9]+:[0-9]+\]}}, v[[[K_LO]]:[[K_HI]]]141; GCN: buffer_store_dwordx2 [[MUL]]142define amdgpu_kernel void @div_fast_k_x_pat_f64(ptr addrspace(1) %out) #0 {143 %x = load double, ptr addrspace(1) poison144 %rcp = fdiv fast double %x, 10.0145 store double %rcp, ptr addrspace(1) %out, align 4146 ret void147}148 149; GCN-LABEL: {{^}}div_fast_neg_k_x_pat_f64:150; GCN-DAG: v_mov_b32_e32 v[[K_LO:[0-9]+]], 0x9999999a151; GCN-DAG: v_mov_b32_e32 v[[K_HI:[0-9]+]], 0xbfb99999152; GCN: v_mul_f64 [[MUL:v\[[0-9]+:[0-9]+\]]], s{{\[[0-9]+:[0-9]+\]}}, v[[[K_LO]]:[[K_HI]]]153; GCN: buffer_store_dwordx2 [[MUL]]154define amdgpu_kernel void @div_fast_neg_k_x_pat_f64(ptr addrspace(1) %out) #0 {155 %x = load double, ptr addrspace(1) poison156 %rcp = fdiv fast double %x, -10.0157 store double %rcp, ptr addrspace(1) %out, align 4158 ret void159}160 161attributes #0 = { nounwind }162