1 ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s 2 ; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck %s 3 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s 4 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck %s 5 6 ; Run with unsafe-fp-math to make sure nothing tries to turn this into 1 / rsqrt(x) 7 8 ; CHECK: {{^}}fsqrt_f32: 9 ; CHECK: v_sqrt_f32_e32 {{v[0-9]+, v[0-9]+}} 10 11 define void @fsqrt_f32(float addrspace(1)* %out, float addrspace(1)* %in) { 12 %r0 = load float, float addrspace(1)* %in 13 %r1 = call float @llvm.sqrt.f32(float %r0) 14 store float %r1, float addrspace(1)* %out 15 ret void 16 } 17 18 ; CHECK: {{^}}fsqrt_f64: 19 ; CHECK: v_sqrt_f64_e32 {{v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\]}} 20 21 define void @fsqrt_f64(double addrspace(1)* %out, double addrspace(1)* %in) { 22 %r0 = load double, double addrspace(1)* %in 23 %r1 = call double @llvm.sqrt.f64(double %r0) 24 store double %r1, double addrspace(1)* %out 25 ret void 26 } 27 28 declare float @llvm.sqrt.f32(float %Val) 29 declare double @llvm.sqrt.f64(double %Val) 30
