llvm/test/CodeGen/AMDGPU/fsqrt.ll
Tom Stellard 953c681473 R600 -> AMDGPU rename
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239657 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-13 03:28:10 +00:00

30 lines
1.1 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck %s
; Run with unsafe-fp-math to make sure nothing tries to turn this into 1 / rsqrt(x)
; CHECK: {{^}}fsqrt_f32:
; CHECK: v_sqrt_f32_e32 {{v[0-9]+, v[0-9]+}}
define void @fsqrt_f32(float addrspace(1)* %out, float addrspace(1)* %in) {
%r0 = load float, float addrspace(1)* %in
%r1 = call float @llvm.sqrt.f32(float %r0)
store float %r1, float addrspace(1)* %out
ret void
}
; CHECK: {{^}}fsqrt_f64:
; CHECK: v_sqrt_f64_e32 {{v\[[0-9]+:[0-9]+\], v\[[0-9]+:[0-9]+\]}}
define void @fsqrt_f64(double addrspace(1)* %out, double addrspace(1)* %in) {
%r0 = load double, double addrspace(1)* %in
%r1 = call double @llvm.sqrt.f64(double %r0)
store double %r1, double addrspace(1)* %out
ret void
}
declare float @llvm.sqrt.f32(float %Val)
declare double @llvm.sqrt.f64(double %Val)