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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN-SAFE -check-prefix=GCN -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN-SAFE -check-prefix=GCN -check-prefix=CI %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN-SAFE -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN-UNSAFE -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN-UNSAFE -check-prefix=GCN %s
declare float @llvm.fabs.f32(float) #0
declare float @llvm.floor.f32(float) #0
; GCN-LABEL: {{^}}fract_f32:
; GCN-SAFE: v_floor_f32_e32 [[FLR:v[0-9]+]], [[INPUT:v[0-9]+]]
; GCN-SAFE: v_subrev_f32_e32 [[RESULT:v[0-9]+]], [[FLR]], [[INPUT]]
; GCN-UNSAFE: v_fract_f32_e32 [[RESULT:v[0-9]+]], [[INPUT:v[0-9]+]]
; GCN: buffer_store_dword [[RESULT]]
define void @fract_f32(float addrspace(1)* %out, float addrspace(1)* %src) #1 {
%x = load float, float addrspace(1)* %src
%floor.x = call float @llvm.floor.f32(float %x)
%fract = fsub float %x, %floor.x
store float %fract, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}fract_f32_neg:
; GCN-SAFE: v_floor_f32_e64 [[FLR:v[0-9]+]], -[[INPUT:v[0-9]+]]
; GCN-SAFE: v_sub_f32_e64 [[RESULT:v[0-9]+]], -[[INPUT]], [[FLR]]
; GCN-UNSAFE: v_fract_f32_e64 [[RESULT:v[0-9]+]], -[[INPUT:v[0-9]+]]
; GCN: buffer_store_dword [[RESULT]]
define void @fract_f32_neg(float addrspace(1)* %out, float addrspace(1)* %src) #1 {
%x = load float, float addrspace(1)* %src
%x.neg = fsub float -0.0, %x
%floor.x.neg = call float @llvm.floor.f32(float %x.neg)
%fract = fsub float %x.neg, %floor.x.neg
store float %fract, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}fract_f32_neg_abs:
; GCN-SAFE: v_floor_f32_e64 [[FLR:v[0-9]+]], -|[[INPUT:v[0-9]+]]|
; GCN-SAFE: v_sub_f32_e64 [[RESULT:v[0-9]+]], -|[[INPUT]]|, [[FLR]]
; GCN-UNSAFE: v_fract_f32_e64 [[RESULT:v[0-9]+]], -|[[INPUT:v[0-9]+]]|
; GCN: buffer_store_dword [[RESULT]]
define void @fract_f32_neg_abs(float addrspace(1)* %out, float addrspace(1)* %src) #1 {
%x = load float, float addrspace(1)* %src
%abs.x = call float @llvm.fabs.f32(float %x)
%neg.abs.x = fsub float -0.0, %abs.x
%floor.neg.abs.x = call float @llvm.floor.f32(float %neg.abs.x)
%fract = fsub float %neg.abs.x, %floor.neg.abs.x
store float %fract, float addrspace(1)* %out
ret void
}
; GCN-LABEL: {{^}}multi_use_floor_fract_f32:
; GCN-UNSAFE-DAG: v_floor_f32_e32 [[FLOOR:v[0-9]+]], [[INPUT:v[0-9]+]]
; GCN-UNSAFE-DAG: v_fract_f32_e32 [[FRACT:v[0-9]+]], [[INPUT:v[0-9]+]]
; GCN-UNSAFE: buffer_store_dword [[FLOOR]]
; GCN-UNSAFE: buffer_store_dword [[FRACT]]
define void @multi_use_floor_fract_f32(float addrspace(1)* %out, float addrspace(1)* %src) #1 {
%x = load float, float addrspace(1)* %src
%floor.x = call float @llvm.floor.f32(float %x)
%fract = fsub float %x, %floor.x
store volatile float %floor.x, float addrspace(1)* %out
store volatile float %fract, float addrspace(1)* %out
ret void
}
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }
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