Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/AMDGPU/mubuf.ll @ 95:afa8332a0e37 LLVM3.8
LLVM 3.8
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Tue, 13 Oct 2015 17:48:58 +0900 |
parents | |
children | 1172e4bd9c6f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/AMDGPU/mubuf.ll Tue Oct 13 17:48:58 2015 +0900 @@ -0,0 +1,183 @@ +; RUN: llc -march=amdgcn -mcpu=SI -show-mc-encoding -verify-machineinstrs < %s | FileCheck %s + +declare i32 @llvm.r600.read.tidig.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]}}, s[{{[0-9]:[0-9]}}], 0 offset:4 ; encoding: [0x04,0x00,0x30,0xe0 +define 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]}}, s[{{[0-9]:[0-9]}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x20,0xe0 +define 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]}}, s[{{[0-9]+:[0-9]+}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x30,0xe0 +define 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 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 void @soffset_max_imm([6 x <16 x i8>] addrspace(2)* byval, [17 x <16 x i8>] addrspace(2)* byval, [16 x <4 x i32>] addrspace(2)* byval, [32 x <8 x i32>] addrspace(2)* byval, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) #1 { +main_body: + %tmp0 = getelementptr [6 x <16 x i8>], [6 x <16 x i8>] addrspace(2)* %0, i32 0, i32 0 + %tmp1 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp0 + %tmp2 = shl i32 %6, 2 + %tmp3 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %tmp1, i32 %tmp2, i32 64, i32 0, i32 1, i32 0, i32 1, i32 0, i32 0) + %tmp4 = add i32 %6, 16 + %tmp5 = bitcast float 0.0 to i32 + call void @llvm.SI.tbuffer.store.i32(<16 x i8> %tmp1, i32 %tmp5, i32 1, i32 %tmp4, i32 %4, i32 0, i32 4, i32 4, i32 1, i32 0, i32 1, i32 1, i32 0) + 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 void @soffset_no_fold([6 x <16 x i8>] addrspace(2)* byval, [17 x <16 x i8>] addrspace(2)* byval, [16 x <4 x i32>] addrspace(2)* byval, [32 x <8 x i32>] addrspace(2)* byval, i32 inreg, i32 inreg, i32, i32, i32, i32, i32, i32, i32, i32) #1 { +main_body: + %tmp0 = getelementptr [6 x <16 x i8>], [6 x <16 x i8>] addrspace(2)* %0, i32 0, i32 0 + %tmp1 = load <16 x i8>, <16 x i8> addrspace(2)* %tmp0 + %tmp2 = shl i32 %6, 2 + %tmp3 = call i32 @llvm.SI.buffer.load.dword.i32.i32(<16 x i8> %tmp1, i32 %tmp2, i32 65, i32 0, i32 1, i32 0, i32 1, i32 0, i32 0) + %tmp4 = add i32 %6, 16 + %tmp5 = bitcast float 0.0 to i32 + call void @llvm.SI.tbuffer.store.i32(<16 x i8> %tmp1, i32 %tmp5, i32 1, i32 %tmp4, i32 %4, i32 0, i32 4, i32 4, i32 1, i32 0, i32 1, i32 1, i32 0) + 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]}}, s[{{[0-9]:[0-9]}}], 0 offset:4 ; encoding: [0x04,0x00,0x70,0xe0 +define 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]}}, s[{{[0-9]:[0-9]}}], 0 offset:4095 ; encoding: [0xff,0x0f,0x60,0xe0 + +define 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]}}, s[{{[0-9]:[0-9]}}], [[SOFFSET]] ; encoding: [0x00,0x00,0x70,0xe0 +define 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 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]+}}, s{{\[[0-9]+:[0-9]+\]}}, 0 +define 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]+}}, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:40 +define 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]+}}, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]] +define 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]+}}, s{{\[[0-9]+:[0-9]+\]}}, [[SOFFSET]] +define 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 void @store_vgpr_ptr(i32 addrspace(1)* %out) #0 { + %tid = call i32 @llvm.r600.read.tidig.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.SI.buffer.load.dword.i32.i32(<16 x i8>, i32, i32, i32, i32, i32, i32, i32, i32) #3 +declare void @llvm.SI.tbuffer.store.i32(<16 x i8>, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) + +attributes #1 = { "ShaderType"="2" "unsafe-fp-math"="true" } +attributes #3 = { nounwind readonly }