1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s 2*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=FUNC %s 3*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker; FIXME: Uses of this should be moved to llvm.amdgcn.rsq.clamped, and 6*9880d681SAndroid Build Coastguard Worker; an r600 variant added. 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdeclare float @llvm.AMDGPU.rsq.clamped.f32(float) nounwind readnone 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker; FUNC-LABEL: {{^}}rsq_clamped_f32: 11*9880d681SAndroid Build Coastguard Worker; SI: v_rsq_clamp_f32_e32 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Worker; VI-DAG: v_rsq_f32_e32 [[RSQ:v[0-9]+]], {{s[0-9]+}} 14*9880d681SAndroid Build Coastguard Worker; VI-DAG: v_min_f32_e32 [[MIN:v[0-9]+]], 0x7f7fffff, [[RSQ]] 15*9880d681SAndroid Build Coastguard Worker; TODO: this constant should be folded: 16*9880d681SAndroid Build Coastguard Worker; VI-DAG: v_mov_b32_e32 [[MINFLT:v[0-9]+]], 0xff7fffff 17*9880d681SAndroid Build Coastguard Worker; VI: v_max_f32_e32 {{v[0-9]+}}, [[MIN]], [[MINFLT]] 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker; EG: RECIPSQRT_CLAMPED 20*9880d681SAndroid Build Coastguard Worker 21*9880d681SAndroid Build Coastguard Workerdefine void @rsq_clamped_f32(float addrspace(1)* %out, float %src) nounwind { 22*9880d681SAndroid Build Coastguard Worker %rsq_clamped = call float @llvm.AMDGPU.rsq.clamped.f32(float %src) nounwind readnone 23*9880d681SAndroid Build Coastguard Worker store float %rsq_clamped, float addrspace(1)* %out, align 4 24*9880d681SAndroid Build Coastguard Worker ret void 25*9880d681SAndroid Build Coastguard Worker} 26