forked from OSchip/llvm-project
114 lines
3.7 KiB
LLVM
114 lines
3.7 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
|
|
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=FUNC %s
|
|
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
|
|
|
|
|
|
; DAGCombiner will transform:
|
|
; (fabs (f32 bitcast (i32 a))) => (f32 bitcast (and (i32 a), 0x7FFFFFFF))
|
|
; unless isFabsFree returns true
|
|
|
|
; FUNC-LABEL: {{^}}fabs_fn_free:
|
|
; R600-NOT: AND
|
|
; R600: |PV.{{[XYZW]}}|
|
|
|
|
; GCN: v_and_b32
|
|
|
|
define amdgpu_kernel void @fabs_fn_free(float addrspace(1)* %out, i32 %in) {
|
|
%bc= bitcast i32 %in to float
|
|
%fabs = call float @fabs(float %bc)
|
|
store float %fabs, float addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: {{^}}fabs_free:
|
|
; R600-NOT: AND
|
|
; R600: |PV.{{[XYZW]}}|
|
|
|
|
; GCN: v_and_b32
|
|
|
|
define amdgpu_kernel void @fabs_free(float addrspace(1)* %out, i32 %in) {
|
|
%bc= bitcast i32 %in to float
|
|
%fabs = call float @llvm.fabs.f32(float %bc)
|
|
store float %fabs, float addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: {{^}}fabs_f32:
|
|
; R600: |{{(PV|T[0-9])\.[XYZW]}}|
|
|
|
|
; GCN: v_and_b32
|
|
define amdgpu_kernel void @fabs_f32(float addrspace(1)* %out, float %in) {
|
|
%fabs = call float @llvm.fabs.f32(float %in)
|
|
store float %fabs, float addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: {{^}}fabs_v2f32:
|
|
; R600: |{{(PV|T[0-9])\.[XYZW]}}|
|
|
; R600: |{{(PV|T[0-9])\.[XYZW]}}|
|
|
|
|
; GCN: v_and_b32
|
|
; GCN: v_and_b32
|
|
define amdgpu_kernel void @fabs_v2f32(<2 x float> addrspace(1)* %out, <2 x float> %in) {
|
|
%fabs = call <2 x float> @llvm.fabs.v2f32(<2 x float> %in)
|
|
store <2 x float> %fabs, <2 x float> addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: {{^}}fabs_v4f32:
|
|
; R600: |{{(PV|T[0-9])\.[XYZW]}}|
|
|
; R600: |{{(PV|T[0-9])\.[XYZW]}}|
|
|
; R600: |{{(PV|T[0-9])\.[XYZW]}}|
|
|
; R600: |{{(PV|T[0-9])\.[XYZW]}}|
|
|
|
|
; GCN: v_and_b32
|
|
; GCN: v_and_b32
|
|
; GCN: v_and_b32
|
|
; GCN: v_and_b32
|
|
define amdgpu_kernel void @fabs_v4f32(<4 x float> addrspace(1)* %out, <4 x float> %in) {
|
|
%fabs = call <4 x float> @llvm.fabs.v4f32(<4 x float> %in)
|
|
store <4 x float> %fabs, <4 x float> addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}fabs_fn_fold:
|
|
; SI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xb
|
|
; VI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x2c
|
|
; GCN-NOT: and
|
|
; GCN: v_mul_f32_e64 v{{[0-9]+}}, |[[ABS_VALUE]]|, v{{[0-9]+}}
|
|
define amdgpu_kernel void @fabs_fn_fold(float addrspace(1)* %out, float %in0, float %in1) {
|
|
%fabs = call float @fabs(float %in0)
|
|
%fmul = fmul float %fabs, %in1
|
|
store float %fmul, float addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: {{^}}fabs_fold:
|
|
; SI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0xb
|
|
; VI: s_load_dword [[ABS_VALUE:s[0-9]+]], s[{{[0-9]+:[0-9]+}}], 0x2c
|
|
; GCN-NOT: and
|
|
; GCN: v_mul_f32_e64 v{{[0-9]+}}, |[[ABS_VALUE]]|, v{{[0-9]+}}
|
|
define amdgpu_kernel void @fabs_fold(float addrspace(1)* %out, float %in0, float %in1) {
|
|
%fabs = call float @llvm.fabs.f32(float %in0)
|
|
%fmul = fmul float %fabs, %in1
|
|
store float %fmul, float addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; Make sure we turn some integer operations back into fabs
|
|
; FUNC-LABEL: {{^}}bitpreserve_fabs_f32:
|
|
; GCN: v_add_f32_e64 v{{[0-9]+}}, |s{{[0-9]+}}|, 1.0
|
|
define amdgpu_kernel void @bitpreserve_fabs_f32(float addrspace(1)* %out, float %in) {
|
|
%in.bc = bitcast float %in to i32
|
|
%int.abs = and i32 %in.bc, 2147483647
|
|
%bc = bitcast i32 %int.abs to float
|
|
%fadd = fadd float %bc, 1.0
|
|
store float %fadd, float addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
declare float @fabs(float) readnone
|
|
declare float @llvm.fabs.f32(float) readnone
|
|
declare <2 x float> @llvm.fabs.v2f32(<2 x float>) readnone
|
|
declare <4 x float> @llvm.fabs.v4f32(<4 x float>) readnone
|