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