Matt Arsenault 51a05d72ae 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

183 lines
8.1 KiB
LLVM

; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -show-mc-encoding -verify-machineinstrs < %s | FileCheck %s
declare i32 @llvm.amdgcn.workitem.id.x() readnone
;;;==========================================================================;;;
;;; MUBUF LOAD TESTS
;;;==========================================================================;;;
; MUBUF load with an immediate byte offset that fits into 12-bits
; CHECK-LABEL: {{^}}mubuf_load0:
; CHECK: buffer_load_dword v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], 0 offset:4 ; encoding: [0x04,0x00,0x30,0xe0
define amdgpu_kernel void @mubuf_load0(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
entry:
%0 = getelementptr i32, i32 addrspace(1)* %in, i64 1
%1 = load i32, i32 addrspace(1)* %0
store i32 %1, i32 addrspace(1)* %out
ret void
}
; MUBUF load with the largest possible immediate offset
; CHECK-LABEL: {{^}}mubuf_load1:
; CHECK: buffer_load_ubyte v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x20,0xe0
define amdgpu_kernel void @mubuf_load1(i8 addrspace(1)* %out, i8 addrspace(1)* %in) {
entry:
%0 = getelementptr i8, i8 addrspace(1)* %in, i64 4095
%1 = load i8, i8 addrspace(1)* %0
store i8 %1, i8 addrspace(1)* %out
ret void
}
; MUBUF load with an immediate byte offset that doesn't fit into 12-bits
; CHECK-LABEL: {{^}}mubuf_load2:
; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x1000
; CHECK: buffer_load_dword v{{[0-9]}}, off, s[{{[0-9]+:[0-9]+}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x30,0xe0
define amdgpu_kernel void @mubuf_load2(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
entry:
%0 = getelementptr i32, i32 addrspace(1)* %in, i64 1024
%1 = load i32, i32 addrspace(1)* %0
store i32 %1, i32 addrspace(1)* %out
ret void
}
; MUBUF load with a 12-bit immediate offset and a register offset
; CHECK-LABEL: {{^}}mubuf_load3:
; CHECK-NOT: ADD
; CHECK: buffer_load_dword v{{[0-9]}}, v[{{[0-9]+:[0-9]+}}], s[{{[0-9]+:[0-9]+}}], 0 addr64 offset:4 ; encoding: [0x04,0x80,0x30,0xe0
define amdgpu_kernel void @mubuf_load3(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i64 %offset) {
entry:
%0 = getelementptr i32, i32 addrspace(1)* %in, i64 %offset
%1 = getelementptr i32, i32 addrspace(1)* %0, i64 1
%2 = load i32, i32 addrspace(1)* %1
store i32 %2, i32 addrspace(1)* %out
ret void
}
; CHECK-LABEL: {{^}}soffset_max_imm:
; CHECK: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s[{{[0-9]+}}:{{[0-9]+}}], 64 offen glc
define amdgpu_gs void @soffset_max_imm([6 x <4 x i32>] addrspace(4)* inreg, [17 x <4 x i32>] addrspace(4)* inreg, [16 x <4 x i32>] addrspace(4)* inreg, [32 x <8 x i32>] addrspace(4)* inreg, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) {
main_body:
%tmp0 = getelementptr [6 x <4 x i32>], [6 x <4 x i32>] addrspace(4)* %0, i32 0, i32 0
%tmp1 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp0
%tmp2 = shl i32 %6, 2
%tmp3 = call i32 @llvm.amdgcn.raw.buffer.load.dword.i32(<4 x i32> %tmp1, i32 %tmp2, i32 64, i32 1)
%tmp4 = add i32 %6, 16
%tmp1.4xi32 = bitcast <4 x i32> %tmp1 to <4 x i32>
call void @llvm.amdgcn.tbuffer.store.i32(i32 %tmp3, <4 x i32> %tmp1.4xi32, i32 0, i32 %tmp4, i32 %4, i32 0, i32 4, i32 4, i1 1, i1 1)
ret void
}
; Make sure immediates that aren't inline constants don't get folded into
; the soffset operand.
; FIXME: for this test we should be smart enough to shift the immediate into
; the offset field.
; CHECK-LABEL: {{^}}soffset_no_fold:
; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x41
; CHECK: buffer_load_dword v{{[0-9+]}}, v{{[0-9+]}}, s[{{[0-9]+}}:{{[0-9]+}}], [[SOFFSET]] offen glc
define amdgpu_gs void @soffset_no_fold([6 x <4 x i32>] addrspace(4)* inreg, [17 x <4 x i32>] addrspace(4)* inreg, [16 x <4 x i32>] addrspace(4)* inreg, [32 x <8 x i32>] addrspace(4)* inreg, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) {
main_body:
%tmp0 = getelementptr [6 x <4 x i32>], [6 x <4 x i32>] addrspace(4)* %0, i32 0, i32 0
%tmp1 = load <4 x i32>, <4 x i32> addrspace(4)* %tmp0
%tmp2 = shl i32 %6, 2
%tmp3 = call i32 @llvm.amdgcn.raw.buffer.load.dword.i32(<4 x i32> %tmp1, i32 %tmp2, i32 65, i32 1)
%tmp4 = add i32 %6, 16
%tmp1.4xi32 = bitcast <4 x i32> %tmp1 to <4 x i32>
call void @llvm.amdgcn.tbuffer.store.i32(i32 %tmp3, <4 x i32> %tmp1.4xi32, i32 0, i32 %tmp4, i32 %4, i32 0, i32 4, i32 4, i1 1, i1 1)
ret void
}
;;;==========================================================================;;;
;;; MUBUF STORE TESTS
;;;==========================================================================;;;
; MUBUF store with an immediate byte offset that fits into 12-bits
; CHECK-LABEL: {{^}}mubuf_store0:
; CHECK: buffer_store_dword v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], 0 offset:4 ; encoding: [0x04,0x00,0x70,0xe0
define amdgpu_kernel void @mubuf_store0(i32 addrspace(1)* %out) {
entry:
%0 = getelementptr i32, i32 addrspace(1)* %out, i64 1
store i32 0, i32 addrspace(1)* %0
ret void
}
; MUBUF store with the largest possible immediate offset
; CHECK-LABEL: {{^}}mubuf_store1:
; CHECK: buffer_store_byte v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x60,0xe0
define amdgpu_kernel void @mubuf_store1(i8 addrspace(1)* %out) {
entry:
%0 = getelementptr i8, i8 addrspace(1)* %out, i64 4095
store i8 0, i8 addrspace(1)* %0
ret void
}
; MUBUF store with an immediate byte offset that doesn't fit into 12-bits
; CHECK-LABEL: {{^}}mubuf_store2:
; CHECK: s_movk_i32 [[SOFFSET:s[0-9]+]], 0x1000
; CHECK: buffer_store_dword v{{[0-9]}}, off, s[{{[0-9]:[0-9]}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x70,0xe0
define amdgpu_kernel void @mubuf_store2(i32 addrspace(1)* %out) {
entry:
%0 = getelementptr i32, i32 addrspace(1)* %out, i64 1024
store i32 0, i32 addrspace(1)* %0
ret void
}
; MUBUF store with a 12-bit immediate offset and a register offset
; CHECK-LABEL: {{^}}mubuf_store3:
; CHECK-NOT: ADD
; CHECK: buffer_store_dword v{{[0-9]}}, v[{{[0-9]:[0-9]}}], s[{{[0-9]:[0-9]}}], 0 addr64 offset:4 ; encoding: [0x04,0x80,0x70,0xe0
define amdgpu_kernel void @mubuf_store3(i32 addrspace(1)* %out, i64 %offset) {
entry:
%0 = getelementptr i32, i32 addrspace(1)* %out, i64 %offset
%1 = getelementptr i32, i32 addrspace(1)* %0, i64 1
store i32 0, i32 addrspace(1)* %1
ret void
}
; CHECK-LABEL: {{^}}store_sgpr_ptr:
; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, 0
define amdgpu_kernel void @store_sgpr_ptr(i32 addrspace(1)* %out) #0 {
store i32 99, i32 addrspace(1)* %out, align 4
ret void
}
; CHECK-LABEL: {{^}}store_sgpr_ptr_offset:
; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:40
define amdgpu_kernel void @store_sgpr_ptr_offset(i32 addrspace(1)* %out) #0 {
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 10
store i32 99, i32 addrspace(1)* %out.gep, align 4
ret void
}
; CHECK-LABEL: {{^}}store_sgpr_ptr_large_offset:
; CHECK: s_mov_b32 [[SOFFSET:s[0-9]+]], 0x20000
; CHECK: buffer_store_dword v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]]
define amdgpu_kernel void @store_sgpr_ptr_large_offset(i32 addrspace(1)* %out) #0 {
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 32768
store i32 99, i32 addrspace(1)* %out.gep, align 4
ret void
}
; CHECK-LABEL: {{^}}store_sgpr_ptr_large_offset_atomic:
; CHECK: s_mov_b32 [[SOFFSET:s[0-9]+]], 0x20000
; CHECK: buffer_atomic_add v{{[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]]
define amdgpu_kernel void @store_sgpr_ptr_large_offset_atomic(i32 addrspace(1)* %out) #0 {
%gep = getelementptr i32, i32 addrspace(1)* %out, i32 32768
%val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 5 seq_cst
ret void
}
; CHECK-LABEL: {{^}}store_vgpr_ptr:
; CHECK: buffer_store_dword v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0 addr64
define amdgpu_kernel void @store_vgpr_ptr(i32 addrspace(1)* %out) #0 {
%tid = call i32 @llvm.amdgcn.workitem.id.x() readnone
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
store i32 99, i32 addrspace(1)* %out.gep, align 4
ret void
}
declare i32 @llvm.amdgcn.raw.buffer.load.dword.i32(<4 x i32>, i32, i32, i32) #0
declare void @llvm.amdgcn.tbuffer.store.i32(i32, <4 x i32>, i32, i32, i32, i32, i32, i32, i1, i1)
attributes #0 = { nounwind readonly }