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1; RUN: llc -mtriple=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s2; RUN: llc -mtriple=amdgcn -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck -check-prefix=VI -check-prefix=FUNC %s3 4declare float @llvm.amdgcn.rsq.clamp.f32(float) #15declare double @llvm.amdgcn.rsq.clamp.f64(double) #16 7; FUNC-LABEL: {{^}}rsq_clamp_f32:8; SI: v_rsq_clamp_f32_e329 10; VI: s_load_dword [[SRC:s[0-9]+]]11; VI-DAG: v_rsq_f32_e32 [[RSQ:v[0-9]+]], [[SRC]]12; VI-DAG: v_min_f32_e32 [[MIN:v[0-9]+]], 0x7f7fffff, [[RSQ]]13; VI: v_max_f32_e32 [[RESULT:v[0-9]+]], 0xff7fffff, [[MIN]]14; VI: buffer_store_dword [[RESULT]]15define amdgpu_kernel void @rsq_clamp_f32(ptr addrspace(1) %out, float %src) #0 {16 %rsq_clamp = call float @llvm.amdgcn.rsq.clamp.f32(float %src)17 store float %rsq_clamp, ptr addrspace(1) %out18 ret void19}20 21 22; FUNC-LABEL: {{^}}rsq_clamp_f64:23; SI: v_rsq_clamp_f64_e3224 25; TODO: this constant should be folded:26; VI-DAG: s_mov_b32 [[NEG1:s[0-9]+]], -127; VI-DAG: s_mov_b32 s[[LOW1:[0-9]+]], [[NEG1]]28; VI-DAG: s_mov_b32 s[[HIGH1:[0-9]+]], 0x7fefffff29; VI-DAG: s_mov_b32 s[[HIGH2:[0-9]+]], 0xffefffff30; VI-DAG: v_rsq_f64_e32 [[RSQ:v\[[0-9]+:[0-9]+\]]], s[{{[0-9]+:[0-9]+}}31; VI-DAG: v_min_f64 v[0:1], [[RSQ]], s[[[LOW1]]:[[HIGH1]]]32; VI-DAG: v_max_f64 v[0:1], v[0:1], s[[[LOW1]]:[[HIGH2]]]33define amdgpu_kernel void @rsq_clamp_f64(ptr addrspace(1) %out, double %src) #0 {34 %rsq_clamp = call double @llvm.amdgcn.rsq.clamp.f64(double %src)35 store double %rsq_clamp, ptr addrspace(1) %out36 ret void37}38 39; FUNC-LABEL: {{^}}rsq_clamp_undef_f32:40; SI-NOT: v_rsq_clamp_f3241define amdgpu_kernel void @rsq_clamp_undef_f32(ptr addrspace(1) %out) #0 {42 %rsq_clamp = call float @llvm.amdgcn.rsq.clamp.f32(float poison)43 store float %rsq_clamp, ptr addrspace(1) %out44 ret void45}46 47attributes #0 = { nounwind }48attributes #1 = { nounwind readnone }49