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1; RUN: llc -mtriple=amdgcn < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s2 3declare float @llvm.amdgcn.rsq.legacy(float) #04 5; FUNC-LABEL: {{^}}rsq_legacy_f32:6; SI: v_rsq_legacy_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}7define amdgpu_kernel void @rsq_legacy_f32(ptr addrspace(1) %out, float %src) #1 {8 %rsq = call float @llvm.amdgcn.rsq.legacy(float %src) #09 store float %rsq, ptr addrspace(1) %out, align 410 ret void11}12 13; TODO: Really these should be constant folded14; FUNC-LABEL: {{^}}rsq_legacy_f32_constant_4.015; SI: v_rsq_legacy_f32_e32 {{v[0-9]+}}, 4.016define amdgpu_kernel void @rsq_legacy_f32_constant_4.0(ptr addrspace(1) %out) #1 {17 %rsq = call float @llvm.amdgcn.rsq.legacy(float 4.0) #018 store float %rsq, ptr addrspace(1) %out, align 419 ret void20}21 22; FUNC-LABEL: {{^}}rsq_legacy_f32_constant_100.023; SI: v_rsq_legacy_f32_e32 {{v[0-9]+}}, 0x42c8000024define amdgpu_kernel void @rsq_legacy_f32_constant_100.0(ptr addrspace(1) %out) #1 {25 %rsq = call float @llvm.amdgcn.rsq.legacy(float 100.0) #026 store float %rsq, ptr addrspace(1) %out, align 427 ret void28}29 30; FUNC-LABEL: {{^}}rsq_legacy_undef_f32:31; SI-NOT: v_rsq_legacy_f3232define amdgpu_kernel void @rsq_legacy_undef_f32(ptr addrspace(1) %out) #1 {33 %rsq = call float @llvm.amdgcn.rsq.legacy(float poison)34 store float %rsq, ptr addrspace(1) %out, align 435 ret void36}37 38attributes #0 = { nounwind readnone }39attributes #1 = { nounwind }40