llvm-capstone/llvm/test/CodeGen/R600/ffloor.f64.ll
Marek Olsak 7d77728c97 R600/SI: Use V_FRACT_F64 for faster 64-bit floor on SI
Other f64 opcodes not supported on SI can be lowered in a similar way.

v2: use complex VOP3 patterns
llvm-svn: 233076
2015-03-24 13:40:15 +00:00

128 lines
4.3 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
declare double @llvm.fabs.f64(double %Val)
declare double @llvm.floor.f64(double) nounwind readnone
declare <2 x double> @llvm.floor.v2f64(<2 x double>) nounwind readnone
declare <3 x double> @llvm.floor.v3f64(<3 x double>) nounwind readnone
declare <4 x double> @llvm.floor.v4f64(<4 x double>) nounwind readnone
declare <8 x double> @llvm.floor.v8f64(<8 x double>) nounwind readnone
declare <16 x double> @llvm.floor.v16f64(<16 x double>) nounwind readnone
; FUNC-LABEL: {{^}}ffloor_f64:
; CI: v_floor_f64_e32
; SI: v_fract_f64_e32
; SI: v_min_f64
; SI: v_cmp_class_f64_e64
; SI: v_cndmask_b32_e64
; SI: v_cndmask_b32_e64
; SI: v_add_f64
; SI: s_endpgm
define void @ffloor_f64(double addrspace(1)* %out, double %x) {
%y = call double @llvm.floor.f64(double %x) nounwind readnone
store double %y, double addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}ffloor_f64_neg:
; CI: v_floor_f64_e64
; SI: v_fract_f64_e64 {{v[[0-9]+:[0-9]+]}}, -[[INPUT:s[[0-9]+:[0-9]+]]]
; SI: v_min_f64
; SI: v_cmp_class_f64_e64
; SI: v_cndmask_b32_e64
; SI: v_cndmask_b32_e64
; SI: v_add_f64 {{v[[0-9]+:[0-9]+]}}, -[[INPUT]]
; SI: s_endpgm
define void @ffloor_f64_neg(double addrspace(1)* %out, double %x) {
%neg = fsub double 0.0, %x
%y = call double @llvm.floor.f64(double %neg) nounwind readnone
store double %y, double addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}ffloor_f64_neg_abs:
; CI: v_floor_f64_e64
; SI: v_fract_f64_e64 {{v[[0-9]+:[0-9]+]}}, -|[[INPUT:s[[0-9]+:[0-9]+]]]|
; SI: v_min_f64
; SI: v_cmp_class_f64_e64
; SI: v_cndmask_b32_e64
; SI: v_cndmask_b32_e64
; SI: v_add_f64 {{v[[0-9]+:[0-9]+]}}, -|[[INPUT]]|
; SI: s_endpgm
define void @ffloor_f64_neg_abs(double addrspace(1)* %out, double %x) {
%abs = call double @llvm.fabs.f64(double %x)
%neg = fsub double 0.0, %abs
%y = call double @llvm.floor.f64(double %neg) nounwind readnone
store double %y, double addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}ffloor_v2f64:
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
define void @ffloor_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
%y = call <2 x double> @llvm.floor.v2f64(<2 x double> %x) nounwind readnone
store <2 x double> %y, <2 x double> addrspace(1)* %out
ret void
}
; FIXME-FUNC-LABEL: {{^}}ffloor_v3f64:
; FIXME-CI: v_floor_f64_e32
; FIXME-CI: v_floor_f64_e32
; FIXME-CI: v_floor_f64_e32
; define void @ffloor_v3f64(<3 x double> addrspace(1)* %out, <3 x double> %x) {
; %y = call <3 x double> @llvm.floor.v3f64(<3 x double> %x) nounwind readnone
; store <3 x double> %y, <3 x double> addrspace(1)* %out
; ret void
; }
; FUNC-LABEL: {{^}}ffloor_v4f64:
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
define void @ffloor_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %x) {
%y = call <4 x double> @llvm.floor.v4f64(<4 x double> %x) nounwind readnone
store <4 x double> %y, <4 x double> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}ffloor_v8f64:
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
define void @ffloor_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %x) {
%y = call <8 x double> @llvm.floor.v8f64(<8 x double> %x) nounwind readnone
store <8 x double> %y, <8 x double> addrspace(1)* %out
ret void
}
; FUNC-LABEL: {{^}}ffloor_v16f64:
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
; CI: v_floor_f64_e32
define void @ffloor_v16f64(<16 x double> addrspace(1)* %out, <16 x double> %x) {
%y = call <16 x double> @llvm.floor.v16f64(<16 x double> %x) nounwind readnone
store <16 x double> %y, <16 x double> addrspace(1)* %out
ret void
}