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llvm-mirror/test/CodeGen/AMDGPU/llvm.amdgcn.interp.ll
Matt Arsenault cccd12337a AMDGPU: Drop remnants of byval support for shaders
Before 2018, mesa used to use byval interchangably with inreg, which
didn't really make sense. Fix tests still using it to avoid breaking
in a future commit.

llvm-svn: 365953
2019-07-12 20:12:17 +00:00

227 lines
13 KiB
LLVM

; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefixes=GCN,VI %s
; RUN: llc -march=amdgcn -mcpu=kabini -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefixes=GCN,16BANK %s
; RUN: llc -march=amdgcn -mcpu=stoney -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefixes=GCN,16BANK %s
; GCN-LABEL: {{^}}v_interp:
; GCN-NOT: s_wqm
; GCN: s_mov_b32 m0, s{{[0-9]+}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p0, attr0.x{{$}}
define amdgpu_ps void @v_interp(<16 x i8> addrspace(4)* inreg %arg, <16 x i8> addrspace(4)* inreg %arg1, <32 x i8> addrspace(4)* inreg %arg2, i32 inreg %arg3, <2 x float> %arg4) #0 {
main_body:
%i = extractelement <2 x float> %arg4, i32 0
%j = extractelement <2 x float> %arg4, i32 1
%p0_0 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 0, i32 %arg3)
%p1_0 = call float @llvm.amdgcn.interp.p2(float %p0_0, float %j, i32 0, i32 0, i32 %arg3)
%p0_1 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 0, i32 %arg3)
%p1_1 = call float @llvm.amdgcn.interp.p2(float %p0_1, float %j, i32 1, i32 0, i32 %arg3)
%const = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 %arg3)
%w = fadd float %p1_1, %const
call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %p0_0, float %p0_0, float %p1_1, float %w, i1 true, i1 true) #0
ret void
}
; GCN-LABEL: {{^}}v_interp_p1:
; GCN: s_movk_i32 m0, 0x100
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr1.x{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr2.y{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr3.z{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr4.w{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr63.w{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.w{{$}}
; GCN-DAG: v_interp_p1_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
define amdgpu_ps void @v_interp_p1(float %i) #0 {
bb:
%p0_0 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 0, i32 256)
%p0_1 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 0, i32 256)
%p0_2 = call float @llvm.amdgcn.interp.p1(float %i, i32 2, i32 0, i32 256)
%p0_3 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 0, i32 256)
%p0_4 = call float @llvm.amdgcn.interp.p1(float %i, i32 4, i32 0, i32 256)
%p0_5 = call float @llvm.amdgcn.interp.p1(float %i, i32 0, i32 1, i32 256)
%p0_6 = call float @llvm.amdgcn.interp.p1(float %i, i32 1, i32 2, i32 256)
%p0_7 = call float @llvm.amdgcn.interp.p1(float %i, i32 2, i32 3, i32 256)
%p0_8 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 4, i32 256)
%p0_9 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 63, i32 256)
%p0_10 = call float @llvm.amdgcn.interp.p1(float %i, i32 3, i32 64, i32 256)
%p0_11 = call float @llvm.amdgcn.interp.p1(float %i, i32 4, i32 64, i32 256)
store volatile float %p0_0, float addrspace(1)* undef
store volatile float %p0_1, float addrspace(1)* undef
store volatile float %p0_2, float addrspace(1)* undef
store volatile float %p0_3, float addrspace(1)* undef
store volatile float %p0_4, float addrspace(1)* undef
store volatile float %p0_5, float addrspace(1)* undef
store volatile float %p0_6, float addrspace(1)* undef
store volatile float %p0_7, float addrspace(1)* undef
store volatile float %p0_8, float addrspace(1)* undef
store volatile float %p0_9, float addrspace(1)* undef
store volatile float %p0_10, float addrspace(1)* undef
store volatile float %p0_11, float addrspace(1)* undef
ret void
}
; GCN-LABEL: {{^}}v_interp_p2:
; GCN: s_movk_i32 m0, 0x100
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.y{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.z{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.w{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr0.x{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr63.x{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
; GCN-DAG: v_interp_p2_f32{{(_e32)*}} v{{[0-9]+}}, v{{[0-9]+}}, attr64.x{{$}}
define amdgpu_ps void @v_interp_p2(float %x, float %j) #0 {
bb:
%p2_0 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 0, i32 256)
%p2_1 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 1, i32 0, i32 256)
%p2_2 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 2, i32 0, i32 256)
%p2_3 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 3, i32 0, i32 256)
%p2_4 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 4, i32 0, i32 256)
%p2_5 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 1, i32 256)
%p2_6 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 63, i32 256)
%p2_7 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 0, i32 64, i32 256)
%p2_8 = call float @llvm.amdgcn.interp.p2(float %x, float %j, i32 4, i32 64, i32 256)
store volatile float %p2_0, float addrspace(1)* undef
store volatile float %p2_1, float addrspace(1)* undef
store volatile float %p2_2, float addrspace(1)* undef
store volatile float %p2_3, float addrspace(1)* undef
store volatile float %p2_4, float addrspace(1)* undef
store volatile float %p2_5, float addrspace(1)* undef
store volatile float %p2_6, float addrspace(1)* undef
store volatile float %p2_7, float addrspace(1)* undef
store volatile float %p2_8, float addrspace(1)* undef
ret void
}
; GCN-LABEL: {{^}}v_interp_mov:
; GCN: s_movk_i32 m0, 0x100
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p20, attr0.x{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p0, attr0.x{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_3, attr0.x{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.z{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.w{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr0.x{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_8, attr0.x{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr63.y{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, p10, attr64.y{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_3, attr64.y{{$}}
; GCN-DAG: v_interp_mov_f32{{(_e32)*}} v{{[0-9]+}}, invalid_param_10, attr64.x{{$}}
define amdgpu_ps void @v_interp_mov(float %x, float %j) #0 {
bb:
%mov_0 = call float @llvm.amdgcn.interp.mov(i32 0, i32 0, i32 0, i32 256)
%mov_1 = call float @llvm.amdgcn.interp.mov(i32 1, i32 0, i32 0, i32 256)
%mov_2 = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 256)
%mov_3 = call float @llvm.amdgcn.interp.mov(i32 3, i32 0, i32 0, i32 256)
%mov_4 = call float @llvm.amdgcn.interp.mov(i32 0, i32 1, i32 0, i32 256)
%mov_5 = call float @llvm.amdgcn.interp.mov(i32 0, i32 2, i32 0, i32 256)
%mov_6 = call float @llvm.amdgcn.interp.mov(i32 0, i32 3, i32 0, i32 256)
%mov_7 = call float @llvm.amdgcn.interp.mov(i32 0, i32 4, i32 0, i32 256)
%mov_8 = call float @llvm.amdgcn.interp.mov(i32 8, i32 4, i32 0, i32 256)
%mov_9 = call float @llvm.amdgcn.interp.mov(i32 0, i32 1, i32 63, i32 256)
%mov_10 = call float @llvm.amdgcn.interp.mov(i32 0, i32 1, i32 64, i32 256)
%mov_11 = call float @llvm.amdgcn.interp.mov(i32 3, i32 1, i32 64, i32 256)
%mov_12 = call float @llvm.amdgcn.interp.mov(i32 10, i32 4, i32 64, i32 256)
store volatile float %mov_0, float addrspace(1)* undef
store volatile float %mov_1, float addrspace(1)* undef
store volatile float %mov_2, float addrspace(1)* undef
store volatile float %mov_3, float addrspace(1)* undef
store volatile float %mov_4, float addrspace(1)* undef
store volatile float %mov_5, float addrspace(1)* undef
store volatile float %mov_6, float addrspace(1)* undef
store volatile float %mov_7, float addrspace(1)* undef
store volatile float %mov_8, float addrspace(1)* undef
store volatile float %mov_9, float addrspace(1)* undef
store volatile float %mov_10, float addrspace(1)* undef
store volatile float %mov_11, float addrspace(1)* undef
store volatile float %mov_12, float addrspace(1)* undef
ret void
}
; SI won't merge ds memory operations, because of the signed offset bug, so
; we only have check lines for VI.
;
; TODO: VI won't merge them either, because we are conservative about moving
; instructions past changes to physregs.
;
; TODO-VI-LABEL: v_interp_readnone:
; TODO-VI: s_mov_b32 m0, 0
; TODO-VI-DAG: v_mov_b32_e32 [[ZERO:v[0-9]+]], 0
; TODO-VI-DAG: v_interp_mov_f32_e32 v{{[0-9]+}}, p0, attr0.x{{$}}
; TODO-VI: s_mov_b32 m0, -1{{$}}
; TODO-VI: ds_write2_b32 v{{[0-9]+}}, [[ZERO]], [[ZERO]] offset1:4
;define amdgpu_ps void @v_interp_readnone(float addrspace(3)* %lds) #0 {
;bb:
; store float 0.000000e+00, float addrspace(3)* %lds
; %tmp1 = call float @llvm.amdgcn.interp.mov(i32 2, i32 0, i32 0, i32 0)
; %tmp2 = getelementptr float, float addrspace(3)* %lds, i32 4
; store float 0.000000e+00, float addrspace(3)* %tmp2
; call void @llvm.amdgcn.exp.f32(i32 0, i32 15, float %tmp1, float %tmp1, float %tmp1, float %tmp1, i1 true, i1 true) #0
; ret void
;}
; Thest that v_interp_p1 uses different source and destination registers
; on 16 bank LDS chips.
; GCN-LABEL: {{^}}v_interp_p1_bank16_bug:
; 16BANK-NOT: v_interp_p1_f32{{(_e32)*}} [[DST:v[0-9]+]], [[DST]]
define amdgpu_ps void @v_interp_p1_bank16_bug([6 x <16 x i8>] addrspace(4)* inreg %arg, [17 x <16 x i8>] addrspace(4)* inreg %arg13, [17 x <4 x i32>] addrspace(4)* inreg %arg14, [34 x <8 x i32>] addrspace(4)* inreg %arg15, float inreg %arg16, i32 inreg %arg17, <2 x i32> %arg18, <2 x i32> %arg19, <2 x i32> %arg20, <3 x i32> %arg21, <2 x i32> %arg22, <2 x i32> %arg23, <2 x i32> %arg24, float %arg25, float %arg26, float %arg27, float %arg28, float %arg29, float %arg30, i32 %arg31, float %arg32, float %arg33) #0 {
main_body:
%i.i = extractelement <2 x i32> %arg19, i32 0
%j.i = extractelement <2 x i32> %arg19, i32 1
%i.f.i = bitcast i32 %i.i to float
%j.f.i = bitcast i32 %j.i to float
%p1.i = call float @llvm.amdgcn.interp.p1(float %i.f.i, i32 0, i32 0, i32 %arg17) #0
%p2.i = call float @llvm.amdgcn.interp.p2(float %p1.i, float %j.f.i, i32 0, i32 0, i32 %arg17) #0
%i.i7 = extractelement <2 x i32> %arg19, i32 0
%j.i8 = extractelement <2 x i32> %arg19, i32 1
%i.f.i9 = bitcast i32 %i.i7 to float
%j.f.i10 = bitcast i32 %j.i8 to float
%p1.i11 = call float @llvm.amdgcn.interp.p1(float %i.f.i9, i32 1, i32 0, i32 %arg17) #0
%p2.i12 = call float @llvm.amdgcn.interp.p2(float %p1.i11, float %j.f.i10, i32 1, i32 0, i32 %arg17) #0
%i.i1 = extractelement <2 x i32> %arg19, i32 0
%j.i2 = extractelement <2 x i32> %arg19, i32 1
%i.f.i3 = bitcast i32 %i.i1 to float
%j.f.i4 = bitcast i32 %j.i2 to float
%p1.i5 = call float @llvm.amdgcn.interp.p1(float %i.f.i3, i32 2, i32 0, i32 %arg17) #0
%p2.i6 = call float @llvm.amdgcn.interp.p2(float %p1.i5, float %j.f.i4, i32 2, i32 0, i32 %arg17) #0
%tmp = call float @llvm.fabs.f32(float %p2.i)
%tmp34 = call float @llvm.fabs.f32(float %p2.i12)
%tmp35 = call float @llvm.fabs.f32(float %p2.i6)
%tmp36 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %tmp, float %tmp34)
%tmp38 = call <2 x half> @llvm.amdgcn.cvt.pkrtz(float %tmp35, float 1.000000e+00)
call void @llvm.amdgcn.exp.compr.v2f16(i32 0, i32 15, <2 x half> %tmp36, <2 x half> %tmp38, i1 true, i1 true) #0
ret void
}
declare float @llvm.fabs.f32(float) #1
declare float @llvm.amdgcn.interp.p1(float, i32, i32, i32) #1
declare float @llvm.amdgcn.interp.p2(float, float, i32, i32, i32) #1
declare float @llvm.amdgcn.interp.mov(i32, i32, i32, i32) #1
declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0
declare void @llvm.amdgcn.exp.compr.v2f16(i32, i32, <2 x half>, <2 x half>, i1, i1) #0
declare <2 x half> @llvm.amdgcn.cvt.pkrtz(float, float) #1
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }