xref: /aosp_15_r20/external/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.fract.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s

declare float @llvm.amdgcn.fract.f32(float) #0
declare double @llvm.amdgcn.fract.f64(double) #0

; GCN-LABEL: {{^}}v_fract_f32:
; GCN: v_fract_f32_e32 {{v[0-9]+}}, {{s[0-9]+}}
define void @v_fract_f32(float addrspace(1)* %out, float %src) #1 {
  %fract = call float @llvm.amdgcn.fract.f32(float %src)
  store float %fract, float addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}v_fract_f64:
; GCN: v_fract_f64_e32 {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}
define void @v_fract_f64(double addrspace(1)* %out, double %src) #1 {
  %fract = call double @llvm.amdgcn.fract.f64(double %src)
  store double %fract, double addrspace(1)* %out
  ret void
}

; GCN-LABEL: {{^}}v_fract_undef_f32:
; GCN-NOT: v_fract_f32
; GCN-NOT: v0
; GCN: buffer_store_dword v0
define void @v_fract_undef_f32(float addrspace(1)* %out) #1 {
  %fract = call float @llvm.amdgcn.fract.f32(float undef)
  store float %fract, float addrspace(1)* %out
  ret void
}

attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }